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CCNA IP Routing - 52 Questions

Question 1 Refer to the exhibit. Which three statements correctly describe the Network Device A? (Choose three)

A) With a network wide mask of 255.255.255.128, each interface does not require an IP address.

B) With a network wide mask of 255.255.255.128, each interface does require an IP address on a unique IP subnet.

C) With a network wide mask of 255.255.255.0, it must be Layer 2 device for the PC's to communicate with each other.

D) With a network wide mask of 255.255.255.0, it must be a Layer 3 device for the PC's to communicate with each other.

E) With a network wide mask of 255.255.254.0, each interface does not require an IP address

Question 3 Which destination addresses will be used by Host A to send data to Host C ? (Choose two)

A) the IP address of Swith 1.

B) the MAC address of Switch 1.

C) the IP address of Host C.

D) the MAC address of Host C

E) the IP address of the router's E0 interface.

F) the MAC address of the router's E0 interface.

Question 4 Which two benefits are provided by using a hierarchial network addressing scheme? (Choose two)

A) reduces routing table entries.

B) auto-negotiation of media rates.

C) efficient utilization of MAC addresses

D) dedicated communications between devices

E) ease of management and troubleshooting

Question 5 Refer to the exhibit.
In this VLSM addressing scheme, what summary address would be sent from router A ?

A) 172.16.0.0/16

B) 172.16.0.0/20

C) 172.16.0.0/24

D) 172.32.0.0/16

E) 172.32.0.0/17

F) 172.64.0.0/16

Question 6 Refer to the exhibit

What is the most efficient summarization that R1 can use to advertise it's networks to R2?

A) 172.1.4.0/25
         172.1.4.128/25
        172.1.5.0/24
         172.1.6.0/24
         172.1.7.0/24

B) 172.1.0.0/22

C) 172.1.4.0/24
        172.1.5.0/24
        172.1.6.0/24
        172.1.7.0/24

D) 172.1.0.0/21

E) 172.1.4.0/22

Question 7 Which address range efficiently summarizes the routing table of the address for router main?

A) 172.16.0.0/18

B) 172.16.0.0/16

C) 172.16.0.0/20

D) 172.16.0.0/21

Question 8 What two things will a router do when running a distance vector routing protocol? (Choose two)

A) Send periodic updates regardless of topology changes

B) Send entire routing table to all routers in the routing domain.

C) Use the shourtest-path algorithm to determine the best path.

D) Update the routing table based on updates from their neighbors

E) Maintain the topology of the entire network in it's database.

Question 9 Which command is used to display the collection of OSPF link states?

A) show ip ospf neighbors

B) show ip ospf database

C) show ip ospf link-state

D) show ip ospf lsa database

Question 10 If IP routing is enabled, which two commands set the gateway of last resort to the default gateway? (Choose two)

A) ip default-gateway 0.0.0.0

B) ip route 172.16.2.1 0.0.0.0 0.0.0.0

C) ip default-network 0.0.0.0

D) ip default-route 0.0.0.0 0.0.0.0 172.16.2.1

E) ip route 0.0.0.0 0.0.0.0 172.16.2.1

Question 11 Which parameter would you tune to affect the selection of a static route as a backup, when a dynamic protocol is also being used?

A) hop count

B) administrative distance

C) link bandwidth

D) link delay

E) link cost

Question 12 Refer to the exhibit. A network associate has configured OSPF with the command:

City(config-router)# network 192.168.12.64 0.0.0.63 area 0

After completing the configuration, the associate discovers that not all the interfaces are participating in OSPF.

Which three of the interfaces shown in the exhibit will participate in OSPF according to this configuration statement? (Choose three)

A) FastEthernet0/0

B) FastEthernet0/1

C) Serial0/0

D) Serial0/1.102

E) Serial0/1.103

F) Serial0/1.104

Question 13 Refer to the exhibit

The Lakeside Company has the internetwork in the exhibit. The administrator would like to reduce the size of the routing table on the Central router.
Which partial routing table entry in the Central router represents a route summary that represents the LAN's in the Phoenix but no additional subnets?

A) 10.0.0.0/22 is subnetted, 1 subnets
D 10.0.0.0[90/20514560] via 10.2.0.2, 6w0d, Serial0/1

B) 10.0.0.0/28 is subnetted, 1 subnets
D 10.2.0.0[90/20514560] via 10.2.0.2, 6w0d, Serial0/1

C) 10.0.0.0/28 is subnetted, 1 subnets
D 10.4.4.0[90/20514560] via 10.2.0.2, 6w0d, Serial0/1

D) 10.0.0.0/30 is subnetted, 1 subnets
D 10.4.4.4[90/20514560] via 10.2.0.2, 6w0d, Serial0/1

E) 10.0.0.0/22 is subnetted, 1 subnets
D 10.4.0.0[90/20514560] via 10.2.0.2, 6w0d, Serial0/1

F) 10.0.0.0/30 is subnetted, 1 subnets
D 10.2.2.0[90/20514560] via 10.2.0.2, 6w0d, Serial0/1

Question 14 Refer to the graphic.
A static route to the 10.5.6.0/24 network is to be configured on the HFD router. Which commands will accomplish this? (Choose two)

A) HFD(config)# ip route 10.5.6.0 0.0.0.255 fa0/0

B) HFD(config)# ip route 10.5.6.0 0.0.0.255 10.5.4.6

C) HFD(config)# ip route 10.5.6.0 255.255.255.0 fa0/0

D) HFD(config)# ip route 10.5.6.0 255.255.255.0 10.5.4.6

E) HFD(config)# ip route 10.5.4.6 0.0.0.255 10.5.6.0

F) HFD(config)# ip route 10.5.4.6 255.255.255.0 10.5.6.0

Question 15 What information does a router running a link-state protocol use to build and maintain its topological database? (Choose two)

A) hello packets

B) SAP messages sent by other routers.

C) LSA's from other routers.

D) beacons received on point-to-point links

E) routing tables received from other link-state routers.

F) TTL packets from designated routers.

Question 16 Which statement describe the routing protocol OSPF? (Choose three)

A) it supports VLSM

B) it is used to route between autonomous systems.

C) it confines network instability to one area of the network.

D) it increases routing overhead on the network.

E) it allows extensive control of routing updates.

F) it is simpler to configure than RIPv2.

Question 17 What is the default administrative distance of OSPF?

A) 90

B) 100

C) 110

D) 120

Question 18 Which characteristics are representative of a link-state routing protocol? (Choose three)

A) provides common view of entire topology.

B) exchanges routing tables with neighbors

C) calculates shortest path.

D) utilizes event-triggered updates.

E) utilizes frequent periodic updates.

Question 19 Refer to the exhibit.

Based on the exhibited routing table, how will packets from a host within the 192.168.10.192/26 LAN be forwarded to 192.168.10.1?

A) The router will forward packets from R3 to R1.

B) The router will forward packets from R to R2 to R1 and from R3 to R1.

C) The router will forward packets from R3 to R1 to R2.

D) The router will forward packets from R3 to R2 to R1.

Question 20 Refer to the exhibit. According to the routing table, where will the router send a packet destined for 10.1.5.65?

A) 10.1.1.2

B) 10.1.2.2

C) 10.1.3.3

D) 10.1.4.4

Question 21 Refer to the exhibit. Which address and mask combination represents a summary of the routes learned by EIGRP?

A) 192.168.25.0 255.255.255.240

B) 192.168.25.16 255.255.255.252

C) 192.168.25.0 255.255.255.252

D) 192.168.25.28 255.255.255.240

E) 192.168.25.16 255.255.255.240

Question 22 Refer to the exhibit.

Assuming that the entire network topology is shown, what is the operational status of interfaces R2 as indicated by the command output shown?

A) One interface has a problem.

B) Two interfaces have problems.

C) The interfaces are functioning correctly.

D) The operational status of the interfaces cannot be determined from the output shown

Question 23 Refer to the exhibit.
Given the output for this command, if the router ID has not been manually set, what router ID will OSPF use for this router?

A) 10.1.1.2

B) 10.154.154.1

C) 172.16.5.1

D) 192.168.5.3

Question 24 Which commands are required to properly configure a router to run OSPF and to add network 192.168.16.0/24 to OSPF area 0? (Choose two)

A) Router(config)# router ospf 1

B) Router(config)#router ospf 0

C) Router(config)#router ospf area 0

D) Router(config-router)# network 192.168.16.0 0.0.0.255 area 0

E) Router(config-router)# network 192.168.16.0 0.0.255.0

F) Router(config-router)# network 192.168.16.0 255.255.255.0 area 0

Question 25 A router receives information about network 192.168.10.0/24 from mulitple sources.
What will the router consider the most reliable information about the path to that network?

A) an OSPF update for network 192.168.0.0/16.

B) a static route to network 192.168.10.0/24

C) a static route to network 192.168.10.0/24 with a local serial interface configured as the next hop.

D) a RIP update for network 192.168.10.0/24

E) a directly connected interface with an address of 192.168.10.254/24

F) a default route with a next hop address of 192.168.10.1 416

Question 26 What is the default maximum number of equal-cost paths that can be placed into the routing table of a Cisco OSPF router?

A) 16

B) 2

C) unlimited

D) 4

Question 27 Which type of EIGRP route entry describes a feasible successor?

A) a primary router, stored in the topology table.

B) a backup router, stored in the routing table.

C) a backup route, stored in the topology table.

D) a primary router, stored in the routing table

Question 28 Refer to the exhibit.
When running EIGRP, what is required for Router A to exchange routing updates with Router C?

A) AS numbers must be changed to match on all the routers.

B) Loopback interfaces must be configured so a DR is elected.

C) The no auto-summary command is needed on Router A and Router C.

D) Router B needs to have two network statements, one for each connected network.

Question 29 Users on the 172.17.22.0 network cannot reach the server located on the 172.31.5.0 network. The network administrator connected to router Coffee via the console port, issued the show ip route command, and was able to ping the server.

Based on the output of the show ip route command and the topology shown in the graphic, what is the cause of the failure?

A) The network has not fully converged.

B) IP routing is not enabled.

C) A static route is configured incorrectly.

D) The FastEhternet interface on Coffee is disabled.

E) The neighbor relationship table is not correctly updated.

F) The routing table on Coffee has not been updated.

Question 30

A) The process id is configured improperly.

B) The OSPF area is configured improperly.

C) The network wildcard mask is configured improperly.

D) The network number is configured improperly.

E) The AS is configured improperly

F) The network subnet mask is configured improperly.

Question 31

A) Router C will send a Destination Unreachable message type.

B) Router C will send a Source Quench message type.

C) Router C will use ICMP to inform Host 1, Router A and Router B that Host 2 cannot be reached.

D) Router C will send a Router Selection message type.

E) Router C will use ICMP to inform Host 1 that Host 2 can not be reached.

F) Router C will use ICMP to inform Router B that Host 2 cannot be reached.

Question 32

A) The OSPF area is not configured properly.

B) The priority on R1 should be set higher.

C) The cost on R1 should be set higher.

D) The hello and dead timers are not configured properly.

E) A backup designated router needs to be added to the network.

F) The OSPF process ID numbers must match.

Question 33

A) Router# show ip eigrp adjacency

B) Router# show ip eigrp topology

C) Router# show ip eigrp interfaces

D) Router# show ip eigrp neighbors

Question 34

A) All of the routers need to be configured for backbone Area 1

B) R1 and R2 are the DR and BDR, so OSPF will not establish neighbor adjacency with R3.

C) A static route has been configured from R1 to R3 and prevents the neighbor adjacency from being established

D) The hello and dead interval timers are not set to the same values on R1 and R3.

E) EIGRP is also configured on these routers with a lower administrative distance.

F) R1 and R3 are configured in different areas

Question 35

Host A cannot ping Host B. Assuming routing is properly configured, what could be the cause of this problem?

A) Host A is not on the same subnet as its default gateway.

B) The Fa0/0 interface on Router B is using a broadcast address.

C) The Fa0/0 interface on Router A is on a subnet that can't be used.

D) The address of Switch A is a subnet address

E) The serial interfaces of the routers are not on the same subnet

Question 36

A network administrator attempts to ping Host 2 from Host 1 and receives the results that are shown. What is a possible problem?

A) The link between Host 1 and Switch 1 is down.

B) Interface Fa0/0 Router 1 is shutdown.

C) TCP/IP is not functioning on Host 1.

D) The link between Router 1 and Router 2 is down.

E) The link between Switch 1 and Router 1 is down.

F) The default gateway on Host 1 is incorrect.

Question 37

A) The cable that is connected to S0/0 on Router A is faulty.

B) Interface S0/0 on Router B is administratively down.

C) Interface S0/0 on Router A is configured with an incorrect subnet mask.

D) The IP address that is configured on S0/0 of Router B is not the coorect subnet.

E) Interface S0/0 on Router A is not receiving a clock signal from the CSU/DSU.

F) The encapsulation that is configured on S0/0 of Router B does not match the encapsulation that is configured on S0/0 of Router A.

Question 39

A) The path of the packets will be R3 to R2 to R1.

B) The path of the packets will be R3 to R1 to R2.

C) The path of the packets will be both R3 to R2 to R1 ad R3 to R1.

D) The path of the packets witll be R3 to R1.

Question 41

A) ip route 0.0.0.0 255.255.255.0 172.16.100.2

B) ip route 0.0.0.0 255.255.255.252 128.107.1.1

C) ip route 0.0.0.0 0.0.0.0 128.107.1.1

D) ip route 0.0.0.0 0.0.0.0 172.16.100.1

E) ip route 0.0.0.0 255.255.255.255 172.16.100.2

F) ip route 0.0.0.0 0.0.0.0 172.16.100.2

Question 42

A) Configure a dynamic routing protocol on London to advertise all routes to Manchester.

B) Configure a dynamic routing protocol on London to advertise summarized routes to Manchester.

C) Configure a dynamic routing protocol on Manchester to advertise a default route to London router.

D) Configure a static default route on London with a next hop of 10.1.1.1

E) Configure a static route on London to direct all traffic destined for 172.16.0.0/22 to 10.1.1.2

F) Configure Manchester router to advertise a static default route to London

Question 43

The network administrator requires easy configuration options and mimimal routing protocol traffic.
What two options provide adequate routing table information for traffic that passes between two routers and satisfy the requests of the network administrator? (Choose two)

A) a dynamic routing protocol on InternetRouter to advertise all routes to CentralRouter.

B) a dynamic routing protocol on InternetRouter to advertise summarized routes to CentralRouter.

C) a static route on Internet Router to direct traffic that is destined for 172.16.0.0/16 to CentralRouter.

D) a dynamic routing protocol on CentralRouter to advertise all routes to InternetRouter.

E) a dynamic routing protocol on CentralRouter to advertise summarized routes to InternetRouter.

F) a static, default route on CentralRouter that directs traffic to InternetRouter.

Question 44

A) The loopback addresses are on different subnets.

B) The values of the dead timers on the routers are different.

C) Route summarization is enabled on both routers.

D) The process identifier on router A is different than the process identifier on router B.

Question 45 Which two are advantages of static routing when compared with dynamic routing? (Choose two)

A) Configuration complexity decreases as network size increases.

B) Security increases because only the network administrator may change the routing table.

C) Route summarization is computed automatically by the router.

D) Routing tables adapt automatically to topology changes.

E) An efficient algorithm is used to build routing tables, using automatic updates.

F) Routing updates are automatically sent to neighbors.

G) Routing traffic load is reduced when used in stub network links.

Question 46 You have been asked to come up with a subnet mask that will allow all three web servers to be on same network while providing the maximum number of subnets.
Which network address and subnet mask meet this requirement?

A) 192.168.252.8 255.255.255.252

B) 192.168.252.16 255.255.255.252

C) 192.168.252.8 255.255.255.248

D) 192.168.252.0 255.255.255.252

E) 192.168.252.16 255.255.255.240

Question 47 Why do large OSPF networks usa a hierarchial design? (Choose three)

A) to confirm network instability to signle areas of the network.

B) to reduce the complexity of router configuration

C) to speed up convergence.

D) to lower costs by replacing routers with distribution layer switches.

E) to decrease latency by increasing bandwidth.

F) to reduce routing overhead.

Question 48 Which is true about OSPF router-id? (Choose two)

A) it is used for type 1 router LSA.

B) router-id needs to be matched on OSPF neighbors.

C) Highest IP address of the loopback is used.

D) router-id is 16 bit.

Question 49 Refer to the exhibit.Which three statements are true about how router JAX will choose a path to the 10.1.3.0/24 network when different routing protocols are configured? (Choose three)

A) By default, if RIPv2 is the routing protocol, only the path JAX-ORL will be installed into the routing table.

B) The equal cost paths JAX-CHI-ORL and JAX-NY-ORL will be installed in the routing table if RIPv2 is the routing protocol.

C) When EIGRP is the routing protocol, only the JAX-ORL will be installed in the routing table by default.

D) When EIFRP is the routing protocl, the equal cost path JAX-CHI-ORL and JAX-NY-ORL will be installed in the routing table by default.

E) With EIGRP and OSPF both running on the network with their default configuratios, the EIGRP paths will be installed in the routing table.

F) The OSPF paths will be installed in the routing table, if EIGRP and OSPF are both running on the network with their default configurations.

Question 50

What is the cause of os the Syslog output message?

A) The EIGRP neighbor on Fa0/1 went down due to a failed link.

B) The EIGRP neighbor connected to Fa0/1 is participating in a different EIGRP process, causing the adjacency to go down.

C) A shut command was executed on interface Fa0/1, causing the EIGRP adjacency to go down.

D) Interface Fa0/1 has become error disabled, causing the EIGRP adjacency to go down.

Question 51 What are two enhancements that OSPFv3 supports over OSPFv2? (Choose two)

A) It requires the use of ARP.

B) it can support multiple IPv6 sunbets on a single link

C) it supports upto 2 instances of OSPFv3 over a common link.

D) it routes over links tather than over networks.

Question 52 Which two statements are true about the command ip route 172.16.3.0 255.255.255.0 192.168.2.4? (Choose two)

A) It establishes a static route to the 172.16.3.0 network.

B) it establishes a static route to the 192.168.2.0 network.

C) it configures the router to send any traffic for an unknown destination to the 172.16.3.0 network.

D) it configures the router to send any traffic for an unknown destination out the interface with the address 192.168.2.4

E) it uses the default administrative distance.

F) it is a route that would be used last if other routes to the same destination exist.

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CCNA IP Routing

CCNA IP Routing - 52 Questions

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