CCNA-4-1-2017
1 You want to verify the K metrics that EIGRPv6 is using. Which command will display the K metrics? A. Router#show running-configuration B. Router#show ip protocols C. Router#show ipv6 eigrp interfaces D. Router#show ipv6 protocols
2 Which command will help you verify that a router has created an adjacency with EIGRPv6? A. Router#show ipv6 eigrp B. Router#show ipv6 eigrp adjacency C. Router#show ipv6 eigrp database D. Router#show ipv6 eigrp neighbors
3 Which command will show only the EIGRPv6 routes? A. Router#show ipv6 route B. Router#show ipv6 route eigrp C. Router#show ipv6 eigrp D. Router#show ipv6 eigrp route
4 You need to verify the interfaces that are participating in EIGRPv6. Which command will show this? A. Router#show ipv6 interface B. Router#show ipv6 eigrp neighbors C. Router#show ipv6 eigrp topology D. Router#show ipv6 protocols
5 Which command will change the hello timer for EIGRPv6 ASN from 10 to 5 seconds? A. Router(config)#ip hello-timer eigrp 10 5 B. Router(config)#ipv6 hello- interval eigrp 10 5 C. Router(config-rtr)#ipv6 hello-interval eigrp 5 D. Router(config-if)#ipv6 hello-interval eigrp 10 5
6 Which statement is true for EIGRP but not for EIGRPv6? A. Interfaces must be on the same subnet for an adjacency to form. B. K metrics must match for an adjacency to form. C. Hello and holddown timers must match for an adjacency to form. D. Router IDs must match.
7 You need to calculate a variance for EIGRPv6. Which table will allow you to calculate the variance for unequal-cost load balancing? A. Router#show ipv6 eigrp adjacency B. Router#show ipv6 eigrp topology C. Router#show ipv6 eigrp interfaces D. Router#show ipv6 eigrp neighbors
8 What is the maximum hop count for RIP? A. 15 hops B. 100 hops C. 255 hops D. 16 hops
9 Which statement is true about RIPv2 advertisements? A. RIPv2 allows for neighborship through hello packets. B. RIPv2 broadcasts only updates on all active interfaces. C. RIPv2 multicasts the full routing table every 30 seconds. D. RIPv2 multicasts the full routing table every 60 seconds.
10 Which metric does RIPv2 use to calculate routes? A. Delay B. Bandwidth C. Hop count D. Bandwidth and delay
11 Which multicast address does RIPv2 use for advertising routes? A. 224.0.0.5 B. 224.0.0.9 C. 224.0.0.6 D. 224.0.0.2
12 When RIP is configured on a router, what must be configured to allow for classless routing? A. Router(config)#ip classless B. Router(config)#router rip v2 C. Router(config-router)#ip classless D. Router(config-router)#version 2
13 You need to configure the advertisement of the network 192.168.1.0/24 for RIPv2. Which command will achieve this? A. Router(config-router)#network 192.168.1.0 B. Router(config-router)#network 192.168.1.0 0.0.0.255 C. Router(config-router)#network 192.168.1.0/24 D. Router(config-router)#network 192.168.1.0 255.255.255.0
14 Which command will allow you to see the next advertisement interval for RIPv2? A. Router#show ip protocols B. Router#show ip rip database C. Router#show ip rip D. Router#show ip interface
15 Which command will allow you to inspect RIPv2 calculations for routes discovered? A. Router#show ip protocols rip B. Router#show ip rip database C. Router#show ip interface D. Router#show ip rip topology
16 You have RIPv2 configured on an Internet-facing router. Which command will propagate the default route to all other RIPv2 routers? A. Router(config-router)#network 0.0.0.0 B. Router(config-router)#default-route advertise C. Router(config-router)#network 0.0.0.0 default D. Router(config-router)#default-information originate
17 Which command will allow you to inspect RIPv2 advertisements? A. Router#show ip protocols B. Router#debug rip C. Router#show ip rip D. Router#debug ip rip
18 You need to advertise the routes of 192.168.1.0/24, 192.168.2.0/24, and 192.168.3.0/24. Which configuration will achieve this? A. Router(config-router)#network 192.168.0.0 B. Router(config-router)#network 192.168.1.0 Router(config-router)#network 192.168.2.0 Router(config-router)#network 192.168.3.0 C. Router(config-router)#network 192.168.0.0/16 D. Router(config-router)#network 192.168.0.0 0.0.255.255
19 You have RIPv2 configured on an Internet-facing router. Which command will suppress RIPv2 advertisements on the interface link? A. Router(config-if)#ip rip passive-interface B. Router(config-if)#rip passive-interface C. Router(config-router)#passive-interface serial 0/0 D. Router(config-if)#ip rip suppress-advertisement
20 What is the default invalid timer for RIPv2? A. 60 seconds B. 90 seconds C. 180 seconds D. 240 seconds
21 Which is a problem with using RIPv2 in a network? A. Complex configuration B. Slow convergence C. The use of broadcasts D. Routing support for classless networks
22 Which technique is used to stop routing loops with RIPv2? A. Split horizons B. Advertisement intervals C. Zoning D. Invalid timers
23 Which algorithm does RIPv2 use to calculate routes? A. Shortest Path First B. Dijkstra C. Bellman-Ford D. DUAL
CCNA-4-2-2017
1 Which command will need to be configured for support of discontinuous networks? A. Router(config-router)#network discontiguous B. Router(config)#network discontiguous C. Router(config)#no auto-summary D. Router(config-router)#no auto-summary303.
2 Which command configures RIPv2 on a router and advertises a network of 192.168.20.0/24? A. Router(config)#ip router ripv2 Router(config-router)#network 192.168.20.0 B. Router(config)#router rip Router(config-router)#version 2 Router(config-router)#network 192.168.20.0 C. Router(config)#router rip Router(config-router)#version 2 Router(config-router)#network 192.168.20.0 0.0.0.255 D. Router(config)#ip router rip Router(config-router)#version 2 Router(config-router)#network 192.168.20.0 0.0.0.255
3 What is the purpose of the RIPv2 holddown timer? A. Holddown timers allow for time between when a route becomes invalid and it is flushed from the routing table. B. Holddown timers allow for time between when a route has become unreachable and when it can be updated again. C. Holddown timers define the time when a route becomes invalid. D. Holddown timers define the time when a valid route is present in the routing table.
4 In the following exhibit, a packet from network 192.168.1.0/24 is destined for 192.168.4.0/24. The route the packet will take will be Router A to Router B, determined by RIPv2. However, the bandwidth is only 64 Kb/s. How can you force packets to travel over the 1.544 Mb/s links? A. RouterA(config-router)#passive interface serial 0/3/0 RouterB(config-router)#passive interface serial 0/3/0 B. RouterA(config)#ip route 192.168.4.0 255.255.255.0 serial 0/3/1 RouterB(config)#ip route 192.168.1.0 255.255.255.0 serial 0/3/1 C. RouterA(config-router)#cost 2 serial 0/3/0 RouterB(config-router)#cost 2 serial 0/3/0 D. RouterA(config-if)#metric 2 serial 0/3/0 RouterB(config-if)#metric 2 serial 0/3/0
5 What is the default number of equal-cost routes RIPv2 will load balance? A. 2 routes B. 4 routes C. 8 routes D. 16 routes
6 Which protocol will support IPv6 for RIP? A. RIPv1 B. RIPv2 C. RIPv6 D. RIPng
7 Which command will display which routes the RIPv2 router is advertising? A. Router#show ip route B. Router#show ip rip database C. Router#show ip rip D. Router#show ip interface
8 How would you configure a router to use split horizons for RIPv2? A. Router(config)#ip rip split-horizon B. Router(config-if)#ip split-horizon C. Router(config-router)#ip split-horizon D. Router(config-router)#rip split-horizon
9 In the following exhibit, when will a route be removed from the routing table for RIPv2? A. 30 seconds B. 180 seconds C. 360 seconds D. 240 seconds
10 Which command will allow you to check basic connectivity at layer 3? A. Router#show ip route B. Router#ping 192.168.4.1 C. Router#pathping 192.168.4.1 D. Router#ip ping 192.168.4.1
11 Which command will allow you to see the path on which a packet gets routed to its destination? A. Router#show ip route B. Router#tracert 192.168.7.56 C. Router#pathping 192.168.7.56 D. Router#traceroute 192.168.7.56
12 You perform a ping to a host on the network. However, the first packet is dropped. Why did the first packet drop? A. The local router dropped the first packet. B. The routing table was updating. C. The ARP request timed out the ping packet. D. The remote router dropped the first packet.
13 Which command on Windows will allow you to verify your IP address, subnet mask, default gateway, and MAC address? A. C:\>ipconfig B. C:\>ipstatus C. C:\>ipconfig /all D. C:\>hostname
14 Which command on Windows will allow you to verify the path a packet gets routed through on the network? A. C:\>tracert 198.78.34.2 B. C:\>ping 198.78.34.2 C. C:\>traceroute 198.78.34.2 D. C:\>route print
15 You ping from a router to another router and receive back !!!!!. What does this mean? A. All packets have been dropped. B. All packets are successfully acknowledged. C. There is congestion in the path. D. The packets were received, but after the ICMP timeout.
16 You want to ping a router on your network from interface Serial 0/0 and not the path in the routing table. How can you achieve this? A. This cannot be done; packets cannot disregard the routing table. B. Enter the interface in configuration mode, and ping the remote router. C. Enter extended ping, and specify the exit interface. D. Configure a temporary route for the router exiting the interface.
17 You perform a traceroute to a destination network and receive back several lines of output. On the end of each line are three parameters such as 1 192.168.1.1 20 msec 34 msec 67 msec. What do they mean? A. They are the three response times of each ICMP request. B. They are the minimum, maximum, and average of the ICMP query. C. They are the minimum, average, and maximum of the ICMP query. D. They are the maximum, average, and minimum of the ICMP query.
18 You need to make a Telnet connection to a remote router from a router you are configuring. Which command will allow you to do this? A. Router#198.56.33.3 B. Router#connect 198.56.33.3 C. Router#remote 198.56.33.3 D. Router#vty 198.56.33.3
19 An administrator calls you and states that they believe an interface is down on a router you maintain. Which command will show only the interface, the IP address configured, and the status of the interface? A. Router#show ip interface B. Router#show interface C. Router#show ip interface brief D. Router#show interface brief
20 You need to ping an IPv6 address of 2001:db8:3:4::2. Which command will achieve this? A. Router#ping 2001:db8:3:4::2 B. Router#ipv6 ping 2001:db8:3:4::2 C. Router#pingv6 2001:db8:3:4::2 D. Router#ping6 2001:db8:3:4::2
21 Which IPv6 command will verify that you have received a Router Advertisement message from a local router? A. Router#show ipv6 neighbors B. Router#show ipv6 cache C. Router#show ipv6 ra D. Router#show neighbors
CCNA-4-3-2017
1. Which is the default encapsulation on a serial connection for Cisco? A. MPLS B. HDLC C. PPP D. PPPoE
2. You are connecting a Cisco router to a leased line serial connection. The other side of the connection has non-Cisco equipment. Which protocol should you choose for compatibility? A. HDLC B. PPP C. PPPoE D. X.25
3. Which sub-protocol inside of the PPP suite is responsible for tagging layer 3 protocols so that multiple protocols can be used over a PPP connection? A. MPLS B. NCP C. LCP D. PCP
4. Which command will configure PPP on a serial interface? A. Router(config-if)#encapsulation ppp B. Router(config-if)#protocol ppp C. Router(config-if)#ppp enable D. Router(config-if)#ppp protocol
5. Which sub-protocol inside of the PPP suite is responsible for authentication? A. MPLS B. NCP C. LCP D. ACP
6. Which encapsulation protocol is used with PPP to transmit data over serial links? A. PPPoE B. HDLC C. MPLS D. X.25
7. Which authentication method used with PPP uses a nonce (random number) to hash the password and prevent replay attacks? A. PAP B. PSAP C. CHAP D. NTLM
8. Which sub-protocol inside of the PPP suite facilitates multilink connections? A. MPLS B. NCP C. LCP D. ACP
9. Which is a benefit of using MLPPP? A. Simplified layer 3 configuration B. Does not require routing protocols C. Does not require authentication protocols D. Provides end-to-end encryption
10. Which configuration will create the multilink interface for an MLPPP connection to an adjoining router? A. RouterA(config)#interface multilink 1 RouterA(config-if)#encapsulation ppp RouterA(config-if)#ppp multilink RouterA(config-if)#ip address 192.168.1.1 255.255.255.0 RouterA(config-if)#ppp multilink group 1 B. RouterA(config)#interface multilink 1 RouterA(config-if)#ppp multilink RouterA(config-if)#ip address 192.168.1.1 255.255.255.0 C. RouterA(config)#interface multilink 1 RouterA(config-if)#encapsulation ppp multilink D. RouterA(config)#interface multilink 1 RouterA(config-if)#ip address 192.168.1.1 255.255.255.0 RouterA(config-if)#ppp multilink group 1
11. Which command will allow verification of the active links in a multilink connection? A. Router#show multilink B. Router#show ppp multilink C. Router#show ppp D. Router#show run
12. You need to set up PPP authentication for RouterA. The adjoining router is named RouterB, and both routers will have a matching password of cisco. Which commands will achieve this? A. RouterA(config)#username RouterA password cisco RouterA(config)#interface serial 0/1/0 RouterA(config-if)#ppp authentication chap pap B. RouterA(config)#username RouterB password cisco RouterA(config)#interface serial 0/1/0 RouterA(config-if)#ppp authentication chap pap C. RouterA(config)#username RouterA cisco RouterA(config)#interface serial 0/1/0 RouterA(config-if)#ppp authentication chap pap D. RouterA(config)#username RouterA password cisco RouterA(config)#interface serial 0/1/0 RouterA(config-if)#authentication chap pap
13. Which command will allow you to diagnose PPP authentication failures? A. Router#debug ppp authentication B. Router#debug ppp C. Router#show interface D. Router#debug ppp events
14. Which command will allow you to see the authentication protocol that PPP has authenticated with on the adjoining router? A. RouterA#show interface B. RouterA#show ppp all C. RouterA#debug ppp D. RouterA#show running-configuration
15. In the following exhibit, what does the line LCP closed mean? A. The LCP process has completed. B. The router does not have an IP address configured. C. The serial line is disconnected. D. The LCP process has not completed.
16. Which command will configure PPP to support CHAP first and PAP if CHAP is not supported? A. Router(config-if)#authentication pap chap B. Router(config-if)#ppp authentication chap pap C. Router(config-if)#authentication chap pap D. Router(config-if)#ppp authentication chap
17. In the following exhibit, Router A is configured for PPP multilink to Router B. However, the multilink is not functioning properly. What is the problem? A. The serial interfaces are not configured with an IP address. B. The serial interfaces should not be configured with the encapsulation. C. All links in the multicast bundle must have the same multilink group. D. The multilink group should not be configured on the multilink interface.
18. In the following exhibit, Router A will not form a PPP connection with Router B.What is the problem? A. The username on Router A should match Router A’s hostname and the username on Router B should match Router B’s hostname. B. The bandwidth should be configured the same on both routers. C. The interfaces on Router A and Router B should be matching for authentication purposes. D. The encapsulation on both routers should be configured as PPP.
19. You have set up a PPP multilink connection between two routers. You want to add authentication. Where should you configure the authentication? A. On the multilink interface B. On the first serial interface in the bundle C. On both serial interfaces in the bundle D. On the multilink group that joins the bundle
20. In the following exhibit, Router A will not form a PPP connection with Router B. What is the problem? A. The IP addresses on Router A and Router B are not in the same subnet. B. The bandwidth should be configured the same on both routers. C. The username on Router A should match Router A’s hostname and the username on Router B should match Router B’s hostname. D. The passwords on both routers do not match.
CCNA-4-4-2017
1 What encapsulation is used with DSL connections? A. PPPoE B. HDLC C. MPLS D. PPP
2 What is the maximum transmission unit that should be set for PPPoE? A. 1,400 B. 1,492 C. 1,500 D. 1,548
3 Which is a disadvantage of PPPoE? A. Higher level of security B. Smaller MTU per packet C. Single point of aggregation for bandwidth D. Lower speeds than leased lines
4 Which statement is correct about GRE tunnels? A. GRE uses IPSec security. B. GRE uses a protocol of 57. C. GRE provides per-packet authentication. D. GRE provides packet-in-packet encapsulation.
5 Which tunnel protocol is a Cisco proprietary protocol? A. GRE B. PPP C. IPSec D. SSL
6 Which layer 3 protocol does GRE use? A. Protocol 4 B. Protocol 43 C. Protocol 47 D. Protocol 57
7 What is the MTU of a Generic Router Encapsulation (GRE) tunnel? A. MTU 1476 B. MTU 1492 C. MTU 1500 D. MTU 1528
8 Which command will help you verify the source and destination of a GRE tunnel? A. Router#show ip tunnel 0 B. Router#show interface tunnel 0 C. Router#show ip gre D. Router#show ip route
9 Which protocol helps resolve and direct traffic for DMVPN connections? A. HSRP B. NHRP C. ARP D. GRE
10 What is the default keepalive for serial interfaces? A. 1 second B. 5 seconds C. 10 seconds D. 60 seconds
11 Which technology is a point-to-point dedicated line between two private facilities? A. DMVPNB. T1 leased line C. Wireless WAN D. VPN
12 Which topology will allow for fault tolerance to a single ISP? A. Single-homed B. Dual-homed C. Single multi-homed D. Dual multi-homed
13 Which topology provides no fault tolerance? A. Single-homed B. Dual-homed C. Single multi-homed D. Dual multi-homed
14 What is the function of a keepalive on a dedicated line? A. It keeps the connection alive by transmitting small amounts of data. B. It sends the clocking information.C. It helps routers know when a connection no longer functions. D. It helps identify congestion.
15 Which technology is primarily used as a point-to-point connection? A. DMVPN B. MLPPP C. E-LAN services D. E-Tree services
16 Which technology provides for a hub-and-spoke design? A. E-Tree services B. Wireless WAN C. E-Line services D. E-LAN services
17 Which technology provides for a dedicated point-to-point design? A. E-Tree services B. Wireless WAN C. E-Line servicesD. E-LAN services
18 Which technology provides for a mesh design? A. E-Tree services B. Wireless WAN C. E-Line services D. E-LAN services
19 Which is a typical use case for hub-and-spoke WAN design? A. Connections for an enterprise spread over a metropolitan area B. Connections for an Internet service provider to its customers C. Connections between two or more corporate locations D. Connection internally inside of a service provider’s network
20 You are configuring a serial interface for a point-to-point connection. You want to verify that clocking has been detected. Which command will help you verify clocking? A. Router#show controllers serial 0/0 B. Router#show clocking serial 0/0 C. Router#show interface serial 0/0 D. Router#show ip protocols
21 In a DS1 serial connection, how many DS0 channels exist? A. 12 DS0 channels B. 23 DS0 channels C. 24 DS0 channelsD. 32 DS0 channels
22 PPPoE is an example of which topology? A. Point-to-point B. Hub-and-spoke C. Full-mesh D. Dual-homed
23 You are configuring a serial point-to-point connection between two routers and need to provide clocking. Which command will configure the router as a DCE device? A. Router(config-if)#mode dce B. Router(config-if)#dce clocking C. Router(config-if)#clock-rate 64000 D. Router(config-if)#clock 64000
24 In a leased line point-to-point configuration, what is responsible for sending the clocking for data alignment? A. Both of the customer’s routers B. A single side of the customer’s routers C. The CSU/DSU D. The Telco provider network
25 MLPPP is an example of which topology? A. Single-homed B. Dual-homed C. Single multi-homed D. Dual multi-homed
26 DMVPN is an example of which topology? A. Point-to-point B. Hub-and-spoke C. Full-mesh D. Dual-homed
27 Why would you use Multiprotocol Label Switching (MPLS) as a connectivity option? A. You need support for multicast packets.B. You need support for both IPv4 and IPv6 packets. C. You need a high amount of bandwidth. D. You require encryption.
28 What does the term customer edge describe with respect to MPLS? A. The provider’s router closest to the customer B. The router in the provider’s network that switches customer packets C. The customer’s router that sits at the edge of the customer’s network D. The path that the packet travels in an MPLS network
29 What is the field in the layer 3 header that helps MPLS support quality of service? A. QoS B. DSCP C. 802.1p D. VOIP
30 What does the term provider edge describe with respect to MPLS? A. The provider’s router closest to the customer edge router B. The router in the provider’s network that switches customer packets C. The customer’s router that sits at the edge of the customer’s network D. The path that the packet travels in an MPLS network
31 Which WAN option provides a layer 2 connection between sites? A. Wireless WAN B. GRE tunnels C. MPLS D. Metro Ethernet
32 What is MPLS referred to as? A. Layer 2 protocol B. Layer 2.5 protocol C. Layer 3 protocol D. Layer 1 protocol
33 Which benefit of using a secure VPN allows verification that a packet was not tampered with in transit?A. Authentication B. Data integrity C. Anti-replay D. Confidentiality
34 Which Cisco technology is often used to create VPN tunnels between sites? A. Catalyst switches B. Cisco routers C. Adaptive Security Appliance D. Policy-based routing
35 You have several remote workers who enter patient information and require a high level of security. Which technology would best suit the connectivity for these workers? A. GRE tunnels B. Wireless WAN C. Client SSL/VPN D. Site-to-site VPN
36 You have obtained an ADSL circuit at a remote office for central office connectivity. What will you need to configure on the remote office router? A. Metro Ethernet B. PPPoE C. PPP D. MPLS
37 What is the term used to describe the telephone company’s switching office? A. Demarcation point B. Network edge C. Central office D. Main data frame
38 Which is a correct statement about private WANs? A. Private WANs have built-in encryption. B. Private WANs secure by isolation. C. Private WANs use GRE tunnels. D. Private WANs use PPPoE for authentication.
39 What is the definition of an Ethernet virtual circuit (EVC)? A. An EVC defines two endpoints for Metro Ethernet customers. B. An EVC defines two endpoints for MPLS customers. C. An EVC defines the path that a PPPoE packet will travel. D. An EVC defines the path that an MPLS packet will travel.
40 What is the term that defines the access point for the service provider’s services? A. Demarcation point B. Point of presence C. Customer edge D. Network edge
CCNA-4-5-2017
1 When implementing routing protocols such as OSPF with E-LAN Metro Ethernet, which statement is true? A. All routers in an E-LAN service will become neighbors. B. All routers in an E-LAN service require a unique network ID. C. All of the E-LAN service sites require a unique area ID. D. Only the leaf routers and the root will become neighbors.
2 Which routing protocol do MPLS providers typically use internally in the provider’s network? A. MP-BGP B. EIGRP C. OSPF D. IS-IS
3 What device connects the remote office DSL modem to the telco’s PSTN and the Internet? A. DSL access multiplier B. DSL concentrator C. 5ESS switch D. Digital cross-connect System
4 Which protocol does IPSec use to encrypt data packets? A. AH B. ESP C. IKE D. ISAKMP
5 What is a benefit of site-to-site IPSec VPNs? A. Lower bandwidth requirements B. Lower latency C. Scalability D. Support for multicast
6 You have been asked to recommend a private WAN technology. All of the remote offices have varied physical connectivity paths. Which private WAN technology should you recommend? A. MPLS B. Metro Ethernet C. PPPoE D. GRE tunnels
7 Which statement is true about implementing routing protocols such as OSPF with E-Tree Metro Ethernet? A. All routers in an E-Tree service will become neighbors. B. All routers in an E-Tree service require a unique network ID. C. All of the E-Tree service sites require a unique area ID. D. Only the leaf routers and the root will become neighbors.
8 Which statement about using MPLS and dynamic routing protocols is true? A. CE routers form neighbor relations with other CE routers. B. CE routers form neighbor relations with PE routers. C. CE routers receive their routing updates with route redistribution from PE routers. D. CE routers receive their routing updates with route redistribution from other CE routers.
9 When using MPLS and OSPF, the PE routers function as what? A. Autonomous system boundary routers B. Super backbone routers C. Area border routers D. Point-to-multipoint routers
10 Which mechanism does a service provider use for controlling overages on Metro Ethernet services? A. ACLs on the SP network B. Policing of traffic C. Ethernet virtual circuits D. Shaping of traffic
11 When working with the MPLS provider on providing QOS, which is a consideration for the customer? A. MPLS support of DSCP markings B. MPLS support of multiple access link technologies C. Redistribution of routing protocols D. Internal speed of the customer network
12 Which protocol does IPSec use to check integrity of data packets? A. AH B. ESP C. IKE D. ISAKMP
13 When creating GRE tunnels, what is a consideration that can restrict tunnel creation? A. The tunnel interface number B. ACLs on the firewall C. Speed of the tunnel D. Number of hops between the source and destination
14 When purchasing a Metro Ethernet connection, which option is generally tied to the monthly reoccurring cost of the connection? A. IP addresses used to support the service B. Routing protocols used to support the service C. The committed information rate on the EVC D. The use of QOS
15 Which mechanism can a Metro Ethernet customer employ to ensure proper QoS? A. ACLs on the SP network B. Policing of traffic C. Ethernet virtual circuits D. Shaping of traffic
16 When a customer purchases MPLS and supports EIGRP, which statement is correct? A. The customer can opt to have the PE provide EIGRP. B. The customer can configure all of the EIGRP routers to use the same Autonomous System Number (ASN). C. The customer must configure all of the EIGRP routers to use different Autonomous System Numbers (ASNs). D. All of the routers must share the super backbone.
17 Which Exterior Gateway Protocol (EGP) is used to route Internet traffic? A. IS-IS B. OSPF C. eBGP D. iBGP
18 Which statement correctly identifies the differences between iBGP and eBGP? A. eBGP routers peer with other eBGP routers in the same AS. B. iBGP routers peer with other iBGP routers in the same AS. C. An iBGP router advertises prefixes with other iBGP routers in which the router has learned. D. iBGP connects enterprise networks with ISPs.
19 How are BGP neighbors formed? A. Via BGP discovery B. Via BGP hello packets C. Via static BGP neighbor assignment D. BGP multicasting
CCNA-4-6-2017
1 Which statement is correct about Exterior Border Gateway Protocol (eBGP)? A. eBGP is a very scalable routing protocol. B. Any AS number can be used for connecting to the Internet. C. eBGP has extremely fast convergence. D. eBGP is a link-state protocol.
2 What does eBGP use to determine best path? A. Speed B. Path attributes C. Delay D. Reliability
3 Which algorithm is used with eBGP for path selection? A. Best path algorithm B. Dijkstra algorithm C. Bellman-Ford algorithm D. Edge disjoint shortest pair algorithm
4 Where is it common to find single-homed eBGP connections? A. The link connecting ISPs to larger ISPs B. The link between internal ISP structures C. The link connecting an enterprise with the ISP D. The link providing redundancy for an ISP
5 How are eBGP messages exchanged by peers? A. Via multicasts B. Via broadcasts C. Via TCP/179 D. Via UDP/179
6 Which statement is correct about prefix advertisements with eBGP? A. Private and public address blocks should be advertised with eBGP. B. All network addresses, including subnets, should be advertised with eBGP. C. Only subnets of address blocks should be advertised with eBGP as they are used in a network. D. Only public network address blocks should be advertised with eBGP.
7 What can an ISP employ with eBGP to reduce load on the enterprise router? A. Condensed prefix advertisement B. Default route advertisement C. AS reduction advertisement D. Redistribution of eBGP to IGP protocols
8 Which command will start a BGP router process for an AS of 2001? A. Router(config)#router bgp 2001 B. Router(config)#bgp 2001 C. Router(config)#ip bgp 2001 D. Router(config)#ip router bgp 2001
9 What is the administrative distance of eBGP? A. 20 B. 40 C. 90 D. 200
10 Which command will configure and advertise a network of 120.187.230.0/24 for BGP? A. Router(config-router)#network 120.187.230.0/24 B. Router(config-router)#network 120.187.230.0 255.255.255.0 C. Router(config-router)#network 120.187.0.0 D. Router(config-router)#network 120.187.230.0 mask 255.255.255.0
11 Which command will allow you to verify the BGP neighbors the router is peered with? A. Router#show ip bgp B. Router#show ip bgp summary C. Router#show ip bgp neighbors D. Router#show ip route
12 Which command will perform a soft reset of BGP for a neighbor? A. Router#bgp reset 198.23.45.2 B. Router#clear ip bgp 198.23.45.2 soft in C. Router#clear bgp 198.23.45.2 D. Router#clear ip bgp
13 Which command will allow you to verify that you are connected to a BGP peer and can receive data? A. Router#show ip bgp B. Router#show bgp C. Router#show tcp brief D. Router#show ip tcp brief
14 Which command will allow you to temporarily disable a BGP peer? A. Router(config)#no router bgp 200 B. Router(config-router)#disable neighbor 198.45.32.2 C. Router(config-router)#neighbor 198.45.32.2 shutdown D. Router(config)#clear ip bgp neighbor 198.45.32.2
15 You have several /29 blocks of public IPs configured on Router A. You need to advertise the entire /24 block to your ISP with BGP. Which command will allow you to achieve this? A. Router(config-router)#network 194.56.32.0 mask 255.255.255.0 B. Router(config)#ip route 194.56.32.0 255.255.255.0 null0 C. Router(config-router)#network 194.56.32.0 D. Router(config)#ip route 194.56.32.0 255.255.255.0 lo0
16 Which command will allow you to verify routes line-by-line in a subset of the general route statement? A. Router#show ip route 160.45.23.0 255.255.255.0 longer-prefixes B. Router#show ip route 160.45.23.0 255.255.255.0 C. Router#show ip route bgp D. Router#show ip route
17 Which measurement describes the speed of a link? A. Bandwidth B. Delay C. Jitter D. Loss
CCNA-4-7-2017
1 Where should QoS marking be performed? A. Closest to the source of the traffic B. Closest to the Internet router C. On every device in the network D. On the core router in the network
2 Which measurement describes the time a packet takes from source to destination? A. Bandwidth B. Delay C. Jitter D. Loss
3 How do routers classify traffic for QoS? A. Access control lists B. Layer 2 ASICs C. Route tables D. Frame filters
4 Which measurement describes the variation of consecutive packet time from source to destination? A. Bandwidth B. Delay C. Jitter D. Loss
5 Which is a true statement about the Class of Service field? A. The Class of Service field is a layer 3 field. B. The Class of Service field is only present in 802.1Q frames. C. The Class of Service field is present from end to end of a transmission. D. The Class of Service field is 6 bits.
6 What is the measurement of packets discarded due to congestion of queues? A. Bandwidth B. Delay C. Jitter D. Loss
7 Which technology is used to identify and mark applications such as Bittorrent and Netflix for QoS? A. ACLs B. Routing tables C. NBAR2 D. Tail drop
8 Which layer 3 protocol is used for marking packets with QoS? A. DSCP B. 802.1Q C. CoS D. QoE
9 Which is a correct statement about device trust boundary for QoS? A. The trust boundary should always be an asset IT controls. B. The switch should always be set as the trust boundary. C. Only routers can create trust boundaries. D. Only IP phones can become trust boundaries.
10 Which DSCP marking has the highest priority? A. DSCP AF 43 B. DSCP EF 46 C. DSCP AF 11 D. DSCP AF 00
11 What is the recommended maximum delay VoIP traffic should not exceed? A. 10 ms B. 90 ms C. 150 ms D. 300 ms
12 Which QoS queue has priority over all other queues in the scheduler? A. CBWFQ B. LLQ C. FIFO D. CIR
13 Which method helps combat queue starvation for QoS queuing? A. LLQ B. Policing C. CBWFQ D. FIFO
14 Which statement is correct about shaping of traffic for QoS? A. Shaping holds packets in the queue over the configured bit rate to cause delay. B. Shaping drops packets over the configured bit rate to cause loss. C. Shaping holds packets in the queue over the configured bit rate to cause jitter. D. Shaping slows packets in the queue over the configured bit rate to adhere to the speed.
15 Which QoS method uses a round-robin scheduler for packet queuing? A. LLQ B. FIFO C. CBWFQ D. PQ
16 Which statement is correct about policing of traffic for QoS? A. Policing holds packets in the queue over the configured bit rate to cause delay. B. Policing drops packets over the configured bit rate to cause loss. C. Policing holds packets in the queue over the configured bit rate to cause jitter. D. Policing slows packets in the queue over the configured bit rate to adhere to the bit rate.
17 When should QoS policing be implemented? A. To help police LAN applications B. To maintain a contracted CIR C. To help police WAN applications D. To maintain a contracted burst rate
18 Which statement is correct about tail drop with QoS queues? A. Tail drop is a method of QoS. B. Tail drop happens when the queues round-robin. C. Tail drop happens when the queues are full. D. Tail drop helps slow down protocols that are monopolizing bandwidth.
19 When should QoS shaping be implemented? A. When maintaining a contracted burst rate B. When LAN applications require a minimum bit rate C. When WAN applications require a minimum bit rate D. When the service provider is policing traffic
20 Which command will allow the CoS value to be trusted for a VoIP phone? A. Switch(config-if)#auto qos trust cos B. Switch(config-if)#qos trust cos C. Switch(config-if)#cos trust qos D. Switch(config-if)#auto qos
21 When configuring QoS for packet shaping, which is an important guideline to follow? A. Always make the bit rate small. B. Always make the time interval small. C. Always make the time interval large. D. Always use the maximum bit rate.
22 How do congestion avoidance tools help to prevent tail drop? A. When the queue depth is full, a percentage of TCP packets are dropped. B. When the queue depth is empty, a percentage of TCP packets are dropped. C. When the queue depth is below the minimum threshold, a percentage of TCP packets are dropped. D. When the queue depth is above the minimum threshold, a percentage of TCP packets are dropped.
23 Which command on a Cisco switch will show the default CoS value? A. Switch#show qos interface B. Switch#show mls qos interface C. Switch#show interface D. Switch#show qos
24 If a traffic is marked with AF31 and another traffic pattern is marked with AF41, which statement explains the traffic markings? A. AF31 marked traffic has a better queue than AF41 marked traffic. B. AF41 marked traffic has a better queue than AF31 marked traffic. C. Both AF31 and AF41 marked traffic has an equal queue. D. During high congestion, AF41 queues will be dropped and AF31 queues won’t.
CCNA-4-8-2017
1 Which command will allow you to enter global configuration mode for editing RAM? A. Switch#configure network B. Switch#configure memory C. Switch#configure overwrite-network D. Switch#configure terminal
2 Which command will allow you to verify the configured exec timeout? A. Router#show version B. Router#show terminal C. Router#show exec-timeout D. Router#show timeout-exec
3 Which key sequence will cause a break during a network command such as ping or traceroute? A. Ctrl+C B. Ctrl+4 C. Ctrl+Shift+6 D. Ctrl+Shift+1
4 Which command will display the serial number of the switch? A. Switch#show version B. Switch#show serial C. Switch#show board D. Switch#show controller
5 You have a rather large configuration on a switch. You want to see the runningconfig, but only after port gi4/45. Which command will achieve this? A. Switch#show running-config begin 4/45 B. Switch#show filter running-config 4/45 C. Switch#show running-config interface gi 4/45 D. Switch#show running-config | begin 4/45
6 Which command will begin the upgrade of an IOS from a TFTP server? A. Switch#copy tftp flash B. Switch#copy tftp ios C. Switch#copy tftp nvram D. Switch#upgrade tftp flash
7 Which command will allow you to verify the size of flash memory and how much space is still free? A. Switch#show version B. Switch#show free C. Switch#dir flash: D. Switch#show filesystem
8 Which command will perform an MD5 hash against an image on flash memory so that you can verify its integrity? A. Router#integrity md5 flash:/c2900-universalk9-mz.SPA.151-4.M4.bin B. Router#md5 flash:/c2900-universalk9-mz.SPA.151-4.M4.bin C. Router#verify /md5 flash:/c2900-universalk9-mz.SPA.151-4.M4.bin eef3f723c164f2af84ccfcbd642d121d D. Router#integrity /md5 flash:/c2900-universalk9-mz.SPA.151-4.M4.bin eef3f723c164f2af84ccfcbd642d121d
9 What is the default configuration register for a Cisco switch or router? A. 0x2104 B. 0x2102 C. 0x2100 D. 0x2012
10 Which command needs to be configured to enable the SSH Copy Protocol (SCP)? A. Switch(config)#ip ssh server enable B. Switch(config)#ip scp server enable C. Switch(config)#service scp enable D. Switch(config)#service scp-server
11 Which copy method will encrypt the IOS over the network during an upgrade? A. HTTP B. TFTP C. FTP D. SCP
12 You have enabled the SCP server on a switch, but when you try to log in it returns “access denied.” Which command must you configure to allow access to the SCP server if your username was scpadmin and your password was Sybex? A. Switch(config)#ip scp user scpadmin password Sybex B. Switch(config)#username scpadmin password Sybex C. Switch(config)#username scpadmin privilege-level 15 password Sybex D. Switch(config)#ip scp user scpadmin privilege-level 15 password Sybex
13 Which command will allow you to view the contents of a file in the IOS File System (IFS)? A. Switch#type flash:/info B. Switch#file flash:/info C. Switch#cat flash:/info D. Switch#more flash:/info
14 After copying an IOS image named c2900-universalk9-mz.SPA.151-4.M4.bin, you reboot the router only to find that it has booted to the old IOS image. What needs to be configured to boot the new image? A. Router(config)#boot system flash:/c2900-universalk9-mz.SPA.151-4.M4.bin B. Router(config)#boot image flash:/c2900-universalk9-mz.SPA.151-4.M4.bin C. Router(config)#boot flash:/c2900-universalk9-mz.SPA.151-4.M4.bin D. Router(config)#boot system-image flash:/c2900-universalk9-mz.SPA.151- 4.M4.bin
15 Which command will change the configuration register to 0x2100? A. Router(config)#confreg 0x2100 B. Router#confreg 0x2100 C. Router(config)#config-register 0x2100 D. Router#config-register 0x2100
16 Which command will help you verify what the configuration register is currently set to? A. Switch#show confreg B. Switch#show running-config C. Switch#show version D. Switch#show register
17 What is the name of the system loaded on a router or switch when the primary IOS image fails to load? A. BIOS B. NVRAM C. OpenBIOS D. ROMMON
18 During a normal boot process, how does the bootstrap process decide which IOS version to load if multiple versions are present on flash? A. The bootstrap process checks the startup-config in NVRAM. B. The bootstrap process chooses the highest version. C. The bootstrap process checks the configuration register. D. The bootstrap process checks flash for a file named version.txt.
19 You have just updated the IOS on a router and you have configured the command boot system flash:/c2900-universalk9-mz.SPA.151-4.M4.bin. The command completes successfully, and you cycle the power. However, the original image boots. What is wrong? A. You have incorrectly typed the image name. B. You have not saved the configuration. C. You are not licensed for the Universal feature set. D. The IOS image needs to be verified before it can be used.
20 You need to make sure that the running-config is saved every night to theNVRAM. Which method will allow you to achieve this task? A. Training of network administrators to save configuration B. Configuring an archive process on the router C. Use of an external process such as Cisco Prime Infrastructure D. Configuration of a TCL script
CCNA-4-9-2017
1 Which command will allow you to boot a router from a TFTP server for the image of c2900-universalk9-mz.SPA.151-4.M4.bin on the TFTP server of 192.168.1.2? A. Router#boot tftp://192.168.1.2 B. Router(config)#boot tftp://192.168.1.2 c2900-universalk9-mz.SPA.151- 4.M4.bin C. Router(config)#boot system tftp://192.168.1.2 c2900-universalk9- mz.SPA.151-4.M4.bin D. Router(config)#boot system c2900-universalk9-mz.SPA.151-4.M4.bin 192.168.1.2
2 During the bootstrap process, where is the IOS image decompressed to? A. NVRAM B. RAM C. ROMMON D. Flash
3 When a password recovery is performed on a router, what should the configuration register be set to? A. 0x2100 B. 0x2102 C. 0x2142 D. 0x2182
4 What command will allow you to verify the current running IOS version? A. Router#show ios B. Router#show version C. Router#show running-config D. Router#show bootvar
5 You’re upgrading the flash memory on a 2900 router with a brand-new flash card. What needs to be done to restore the IOS? A. The new flash memory will have a mini-IOS installed. You will need to upgrade it from the mini-IOS. B. The router will boot into the ROMMON, and from there you will need to TFTP download the IOS. C. Nothing needs to be done because the IOS is not storage on the flash memory card. D. Format the flash card with the FAT operating system and copy the IOS image to the card.
6 Which command will allow you to back up the current IOS image to a TFTP server? Assume the image is named c3560-advipservicesk9-mz.122-37.SE1.bin. A. Router#backup flash:/c3560-advipservicesk9-mz.122-37.SE1.bin tftp B. Router#copy flash:/c3560-advipservicesk9-mz.122-37.SE1.bin tftp C. Router#copy tftp flash:/c3560-advipservicesk9-mz.122-37.SE1.bin D. Router#archive flash:/c3560-advipservicesk9-mz.122-37.SE1.bin tftp
7 Which command will allow you to view all of the archives of running-config stored in flash? A. Switch#show archive B. Switch#show config C. Switch#show flash D. Switch#show running-config *
8 Which command will roll back the third archive of the running-config? A. Switch#rollback flash:myconfig-3 B. Switch#configure replace flash:myconfig-3 C. Switch#configure restore flash:myconfig-3 D. Switch#restore flash:myconfig-3
9 When configuring the archive process, which command will specify a time period of 24 hours? A. Switch(config-archive)#time-period 24 B. Switch(config-archive)#time 24 C. Switch(config-archive)#time 1440 D. Switch(config-archive)#time-period 1440
10 Your router has a USB slot, and you need to back up the IOS to a flash drive. Whatformat must the flash drive have in order to perform the backup? A. FAT B. NTFS C. EXT3 D. Cisco IFS
11 You have connected to a switch via SSH and you want to see the logging messages. Which command should you use? A. Switch#terminal monitor B. Switch#terminal logging C. Switch(config-line)#terminal monitor D. Switch(config-line)#terminal logging
12 You have configured a switch so you can see all console logging in the current SSH session. You no longer wish to see the console logging. Which command will configure the SSH session back to the default? A. Switch#no terminal monitor B. Switch#terminal no monitor C. Switch#no terminal logging D. Switch(config-line)#no terminal logging
13 Which command can you use to verify that a ping packet is exiting the interface you expect it to exit, which in this example is Gi0/1 with an IP address of 192.168.3.5? A. Router#ping 192.168.3.5 Gi 0/1 B. Router#ping Gi 0/1 192.168.3.5 C. Router#debug ip packet D. Router#debug ip ping
14 You are troubleshooting an application and need to capture the packets for an interface on a switch. Which method should you use to capture the packets? A. Netflow B. SPAN C. NIC teaming D. IP snooping