CCNA Routing Protocols & Concepts Quiz

58 Questions | Total Attempts: 149

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CCNA Routing Protocols & Concepts Quiz

In this quiz brought to you by the Cisco Certified Network Associate, we’ll focus on a wildly important topic within the study of networking – routing! What do you know about the protocols and concepts concerned with the topic? You tell us in this quiz! Good luck!


Questions and Answers
  • 1. 
    Which two statements are true regarding link-state routing protocols? (Choose two.)
    • A. 

      They do not work well in networks that require special heirarchical designs.

    • B. 

      They are aware of the complete network topology.

    • C. 

      They pass their entire routing tables to their directly connected neighbors only.

    • D. 

      They offer rapid convergence times in large networks.

    • E. 

      They do not include subnet masks in their routing updates.

  • 2. 
    Which three statements about routing protocols are true? (Choose three.)
    • A. 

      OSPF elects designated routers on multiaccess links.

    • B. 

      RIP does not support classless routing.

    • C. 

      EIGRP supports unequal cost load balancing.

    • D. 

      EIGRP uses broadcast traffic to establish adjacencies with its neighbors.

    • E. 

      RIP does not advertise a route beyond a hop count of 15.

  • 3. 
    What does RIP use to reduce convergence time in a larger network?
    • A. 

      It reduces the update timer to 15 seconds if there are more then 10 routes.

    • B. 

      It uses triggered updates to announce network changes if they happen in between the periodic updates.

    • C. 

      It uses random pings to detect if a pathway is down and therefore is preemptive on finding networks that are down.

    • D. 

      It uses multicast instead of broadcast to send routing updates.

  • 4. 
    What can be determined from the output shown in the exhibit? (Choose two.)
    • A. 

      Annapolis is a 2611 router that is connected to the S0/0 interface of the Montgomery router.

    • B. 

      All of the routers are connected to Montgomery through an Ethernet switch.

    • C. 

      Montgomery has Layer 2 connectivity with Cumberland.

    • D. 

      Layer 3 connectivity is operational for all of the devices listed in the Device ID column.

    • E. 

      Brant, Fisherman, and Potomac are directly connected to Montgomery.

  • 5. 
    Refer to the exhibit. The results of the show ip route command are displayed in the graphic for Router R2. Which route will be selected for a packet with a destination address of 10.1.4.1?
    • A. 

      Static route to 10.1.0.0/22

    • B. 

      RIP route to 10.1.0.0/23

    • C. 

      RIP route to 10.1.0.0/24

    • D. 

      0.0.0.0/0 via 192.168.0.1

  • 6. 
    Refer to the exhibit. All router interfaces are configured with an IP address and are operational. If no routing protocols or static routes are configured, what information will be included in the show ip route command output for router A?
    • A. 

      All of the 192.168.x.0 networks will be in the routing table.

    • B. 

      Routes to networks 192.168.1.0/24, 192.168.2.0/24, and 192.168.3.0/24 will be in the routing table.

    • C. 

      The routing table will be empty because routes and dynamic routes have not been configured.

    • D. 

      A default route is automatically installed in the routing table to allow connectivity between the networks.

  • 7. 
    Which of the following should be considered when troubleshooting a problem with the establishment of neighbor relationships between OSPF routers? (Choose three.)
    • A. 

      OSPF interval timers mismatch

    • B. 

      Gateway of last resort not redistributed

    • C. 

      Interface network type mismatch

    • D. 

      No loopback interface configured

    • E. 

      Inconsistent authentication configuration

  • 8. 
    Refer to the exhibit. A network administrator is trying to figure out why BOS does not have the 10.0.0.0/24 network in its routing table. All routers are configured for OSPF in area 0. The links between the routers are operational and the administrator is able to ping between all router interfaces. What is a logical next step that the network administrator should take to troubleshoot the problem?
    • A. 

      Reboot the routers.

    • B. 

      Change the OSPF process ID on all of the routers to 0.

    • C. 

      Check to see if the cable is loose between BOS and JAX.

    • D. 

      Check to see if CDP packets are passing between the routers.

    • E. 

      Use show and debug commands to determine if hellos are propagating.

  • 9. 
    Refer to the exhibit. What two statements are true based on the output shown? (Choose two.) The reported distance to network 172.16.1.0 is 2172416
    • A. 

      192.168.10.5 and 192.168.10.9 are feasible successors

    • B. 

      Neighbors 192.168.10.9 and 192.168.10.5 have auto summary disabled

    • C. 

      Router 3 is load balancing traffic to the 172.16.3.0 network across its serial interfaces

    • D. 

      All interfaces shown on Router3 are in the passive state and will not send EIGRP advertisements

  • 10. 
    The network shown in the diagram is having problems routing traffic. It is suspected that the problem is with the addressing scheme. What is the problem with the addressing used in the topology?
    • A. 

      The address assigned to the Ethernet0 interface of Router1 is a broadcast address for that subnetwork.

    • B. 

      The subnetwork configured on the serial link between Router1 and Router2 overlaps with the subnetwork assigned to Ethernet0 of Router3.

    • C. 

      The subnetwork assigned to the Serial0 interface of Router1 is on a different subnetwork from the address for Serial0 of Router2.

    • D. 

      The subnetwork assigned to Ethernet0 of Router2 overlaps with the subnetwork assigned to Ethernet0 of Router3.

  • 11. 
    What is the function of the OSPF LSU packet?
    • A. 

      Used to confirm receipt of certain types of OSPF packets

    • B. 

      Used to establish and maintain adjacency with other OSPF routers

    • C. 

      Used to request more information about any entry in the BDR

    • D. 

      Used to announce new OSPF information and to reply to certain types of requests

  • 12. 
    Which of the following are primary functions of a router? (Choose two.)
    • A. 

      Packet switching

    • B. 

      Microsegmentation

    • C. 

      Domain name resolution

    • D. 

      Path selection

    • E. 

      Flow control

  • 13. 
    Refer to the exhibit. What summary address can Router2 advertise to Router1 to reach the three networks on Routers 3, 4, and 5 without advertising any public address space or overlapping the networks on Router1?
    • A. 

      172.16.0.0/8

    • B. 

      172.16.0.0/10

    • C. 

      172.16.0.0/13

    • D. 

      172.16.0.0/20

    • E. 

      172.16.0.0/24

  • 14. 
    What is the first step OSPF and IS-IS routers take in building a shortest path first database?
    • A. 

      Learn about directly connected networks

    • B. 

      Send hello to discover neighbors and form adjacencies

    • C. 

      Choose successors and feasible successors to populate the topology table

    • D. 

      Flood LSPs to all neighbors informing them of all known networks and their link states

  • 15. 
    Which three statements describe the operation of routing with EIGRP? (Choose three.)
    • A. 

      As new neighbors are discovered, entries are placed in a neighbor table.

    • B. 

      If the feasible successor has a higher advertised cost than the current successor route, then it becomes the primary route.

    • C. 

      If hello packets are not received within the hold time, DUAL must recalculate the topology.

    • D. 

      The reported distance is the distance to a destination as advertised by a neighbor.

    • E. 

      EIGRP maintains full knowledge of the network topology in the topology table and exchanges full routing information with neighboring routers in every update. EIGRP builds one routing table that contains routes for all configured routed protocols.

  • 16. 
    A network administrator has configured a default route on Router_A but it is not being shared with adjacent Router_B and the other routers in the OSPF area. Which command will save the administrator the time and trouble of configuring this default route on Router_B and all of the other routers in the OSPF area?
    • A. 

      Router_A(config-router)# ospf redistribute default-route

    • B. 

      Router_B(config-router)# ospf redistribute default-route

    • C. 

      Router_A(config-router)# default-information originate

    • D. 

      Router_B(config-router)# default-information originate

    • E. 

      Router_B(config-router)# ip ospf update-default

  • 17. 
    Which of the following are required when adding a network to the OSPF routing process configuration? (Choose three.)
    • A. 

      Network address

    • B. 

      Loopback address

    • C. 

      Autonomous system number

    • D. 

      Area ID

    • E. 

      Wildcard mask

  • 18. 
    A network administrator has enabled RIP on routers B and C in the network diagram. Which of the following commands will prevent RIP updates from being sent to Router A?
    • A. 

      A(config)# router rip A(config-router)# passive-interface S0/0

    • B. 

      B(config)# router rip B(config-router)# network 192.168.25.48 B(config-router)# network 192.168.25.64

    • C. 

      A(config)# router rip A(config-router)# no network 192.168.25.32

    • D. 

      B(config)# router rip B(config-router)# passive-interface S0/0

    • E. 

      A(config)# no router rip

  • 19. 
    Which statement is true regarding routing metrics?
    • A. 

      All routing protocols use the same metrics.

    • B. 

      EIGRP uses bandwidth as its only metric.

    • C. 

      Routers compare metrics to determine the best route.

    • D. 

      The larger metric generally represents the better path.

  • 20. 
    Refer to the exhibit. The network is running the RIP routing protocol. Network 10.0.0.0 goes down. Which statement is true regarding how the routers in this topology will respond to this event?
    • A. 

      Router4 will learn about the failed route 30 seconds later in the next periodic update.

    • B. 

      Split horizon will prevent Router4 from fowarding packets to the 10.0.0.0 network until the holddown timer expires.

    • C. 

      Router5 immediately flushes the unreachable route from its routing table.

    • D. 

      Router5 will send Router4 a triggered update with a metric of 16 for network 10.0.0.0.

  • 21. 
    What command would the network administrator apply to a router that is running OSPF to advertise the entire range of addresses included in 172.16.0.0/19 in area 0?
    • A. 

      R1(config-router)# network 172.16.0.0 0.0.0.255 area 0

    • B. 

      R1(config-router)# network 172.16.0.0 0.0.3.255 area 0

    • C. 

      R1(config-router)# network 172.16.0.0 0.0.15.255 area 0

    • D. 

      R1(config-router)# network 172.16.0.0 0.0.31.255 area 0

  • 22. 
    Refer to the exhibit. How many routes are both level 1 and qualify for use as an ultimate route?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

    • E. 

      6

  • 23. 
    Refer to the exhibit.  What will happen if interface s0/0/1 goes down on Router1?
    • A. 

      The Dijkstra algorithm will calculate the feasible successor.

    • B. 

      DUAL will query neighbors for a route to network 192.168.1.0.

    • C. 

      Neighbor 172.16.3.2 will be promoted to the feasible successor.

    • D. 

      Traffic destined to the 192.168.1.0 network will be dropped immediately due to lack of a feasible successor.

  • 24. 
    Refer to the exhibit. The network administrator issues the command no ip classless on Router1. What forwarding action will take place on a packet that is received by Router1 and is destined for host 192.168.0.26?
    • A. 

      The packet will be dropped.

    • B. 

      The packet will be forwarded to the gateway of last resort.

    • C. 

      The packet will match the 192.168.0.0 network and be forwarded out Serial 0/0.

    • D. 

      The packet will most closely match the 192.168.0.8 subnet and be forwarded out Serial 0/1.

  • 25. 
    Which three statements are true regarding the encapsulation and de-encapsulation of packets when traveling through a router? (Choose three.)
    • A. 

      The router modifies the TTL field, decrementing it by one.

    • B. 

      The router changes the source IP to the IP of the exit interface.

    • C. 

      The router maintains the same source and destination IP.

    • D. 

      The router changes the source physical address to the physical address of the exit interface.

    • E. 

      The router sends the packet out all other interfaces, besides the one it entered the router on.