300-101 Implementing Cisco IP Routing (ROUTE) Practice Exam Set 4

You have two routers connected to each other that are both running the EIGRP protocol. The routers have built a neighbor relationship and are exchanging routing information. You execute the following command on the EIGRP process on Router 1: router1(config)# router eigrp 100 router1(config-router)# passive-interface What will be the effect of this command?


Options are :

  • Hellos will be prevented, but routing updates will continue to be sent out
  • All hellos and routing updates will be prevented, and the neighbor relationship between Router 1 and Router 2 will be broken. (Correct)
  • Only routing advertisements from Router 1 to Router 2 will be prevented.
  • Only router advertisements to and from Router 1 will be prevented.

Answer : All hellos and routing updates will be prevented, and the neighbor relationship between Router 1 and Router 2 will be broken.

For a non-ISP autonomous system (AS), which combination of two conditions will require redistribution from BGP into Interior Gateway Protocol (IGP)? (Choose two.)


Options are :

  • Routers inside the AS require knowledge of external routes. (Correct)
  • All routers run BGP.
  • No knowledge of external routes is required inside the AS
  • .Not all routers run BGP. (Correct)

Answer : Routers inside the AS require knowledge of external routes. .Not all routers run BGP.

What does the passive-interface command do when implement with RIP? (Choose two.)


Options are :

  • Allows an interface to receive routing update traffic (Correct)
  • .Prevents an interface from sending any normal data traffic
  • Prevents an interface from sending routing update traffic (Correct)
  • Allows an interface to receive normal data traffic

Answer : Allows an interface to receive routing update traffic Prevents an interface from sending routing update traffic

Which command can you use to display the area border routers (ABRs) and the routes to them?


Options are :

  • show ip opsf bdr
  • .show ip ospf database
  • show ip ospf border-routers (Correct)
  • show ip ospf dr

Answer : show ip ospf border-routers

Which command can be used to view the number of times the SPF algorithm has been executed?


Options are :

  • show ip ospf database
  • show ip ospf (Correct)
  • show ip ospf neighbor
  • show ip ospf interface

Answer : show ip ospf

Consider the following commands: RouterA(config)# router ospf 10 RouterA(config-router)# redistribute eigrp 20 metric 30 What does the value of 30 represent?


Options are :

  • It identifies the seed metric associated with OSPF routes that are redistributed into EIGRP.
  • .It identifies the seed metric associated with EIGRP routes that are redistributed into OSPF. (Correct)
  • It specifies that routes that contain metrics of less than 30 will be redistributed from OSPF into EIGRP.
  • It identifies the amount that the existing EIGRP metric will increment as it is redistributed into OSPF.

Answer : .It identifies the seed metric associated with EIGRP routes that are redistributed into OSPF.

Which commands will display the other routers with which the local router has established an adjacency with, including hold time and uptime parameters?


Options are :

  • show eigrp neighbors
  • show ip route
  • .show ip eigrp neighbors (Correct)
  • .show adjacencies

Answer : .show ip eigrp neighbors

Which parameter does EIGRP use to compute the bandwidth part of the metric?


Options are :

  • The minimum bandwidth link in the path, in kilobits per second (Correct)
  • The average bandwidth of all the links in the path, in kilobytes per second
  • The maximum bandwidth link in the path, in kilobits per second
  • The average bandwidth of all the links in the path, in kilobits per second

Answer : The minimum bandwidth link in the path, in kilobits per second

By default, how often are EIGRP hello packets sent on a LAN?


Options are :

  • 10 seconds
  • 30 seconds
  • 60 seconds
  • .5 seconds (Correct)

Answer : .5 seconds

Which of the following IPv6 addresses correctly represent the shortened version of the IP address 2031:0000:0000:130F:0000:0000:876A:130B? (Choose two.)


Options are :

  • 2031:0:0:130F::876A:130B (Correct)
  • 2031::130F:0:0:876A:130B (Correct)
  • 2031:0:130F::876A:130B
  • 2031::130F::876A:130B

Answer : 2031:0:0:130F::876A:130B 2031::130F:0:0:876A:130B

With respect to modifying an OSPF router ID to a loopback address, which of the following statements are true?


Options are :

  • Using a loopback address avoids wasting an additional IP address.
  • .OSPF is not as reliable if a loopback interface is configured.
  • A loopback interface is not always active, and it can go "down" like a real interface.
  • The loopback address does not automatically appear in the routing table of neighboring OSPF routers, so it cannot be pinged from other routers unless you include it with a network statement on the router local to the loopback interface. (Correct)

Answer : The loopback address does not automatically appear in the routing table of neighboring OSPF routers, so it cannot be pinged from other routers unless you include it with a network statement on the router local to the loopback interface.

Which statements in regards to route filtering are true? (Choose two.)


Options are :

  • If no route filter exists for an interface, the packet is processed normally. (Correct)
  • .Route filtering on an interface cannot filter routes that originate from the same router.
  • Network security is the primary role of route filtering.
  • The distribute-list command enables the administrator to filter redistributed routes. (Correct)

Answer : If no route filter exists for an interface, the packet is processed normally. The distribute-list command enables the administrator to filter redistributed routes.

Which command shows a list of neighboring routers, their priorities, and their current state?


Options are :

  • show ip ospf neighbor [detail] (Correct)
  • show ip protocol
  • show ip ospf
  • show ip ospf database

Answer : show ip ospf neighbor [detail]

Which of the following commands will display information about Type 4 LSAs?


Options are :

  • show ip ospf database router
  • show ip ospf database summary
  • show ip ospf database asbr-summary (Correct)
  • show ip ospf database external

Answer : show ip ospf database asbr-summary

OSPF area border routers (ABRs) advertise a default route to stub and totally stubby areas. Which command is the BEST command to configure a cost of 25 for the default route advertised to area 1?


Options are :

  • Router(config-router)# area 1 default-route-cost 25
  • Router(config-router)# area 1 cost 25
  • Router(config-router)# area 1 default-cost 25 (Correct)
  • Router(config-router)# area 1 default 25

Answer : Router(config-router)# area 1 default-cost 25

You need to manually assign IPv6 addresses to the interfaces on an IPv6-enabled router. While assigning addresses, you need to ensure that the addresses participate in neighbor discovery and in stateless auto-configuration process on a physical link. Which of the following addresses can be assigned to the interfaces?


Options are :

  • FE80::260:3EFF:FE11:6770/10 (Correct)
  • 2002:500E:2301:1:20D:BDFF:FE99:F559/64
  • .2001:0410:0:1:0:0:0:1/64
  • .FEC0:0:0:1::1/64

Answer : FE80::260:3EFF:FE11:6770/10

You instructed your assistant to configure redistribution of OSPF routes into EIGRP on Router 9. The routes are not being advertised to EIGRP and you are troubleshooting the problem. The EIGRP process ID is 100 and the OSPF process ID is 20. When you ask your assistant what commands were executed, you are shown the following: Router9(config)# router eigrp 100 Router9(config-router)# redistribute ospf 20 What is the problem?


Options are :

  • the redistribute command is executed at the global configuration prompt
  • the process IDs are incorrect
  • no metric was configured (Correct)
  • .the redistribute command is executed at the interface configuration prompt

Answer : no metric was configured

Which command should be executed on all ABRs in an area to configure it as a totally stubby area?


Options are :

  • Router(config-router)# area process-id stub [no-summary]
  • .Router(config-router)# area area-id [no-summary] stub
  • Router(config-ospf)# area router-id [no-summary] stub
  • Router(config-router)# area area-id stub [no-summary] (Correct)

Answer : Router(config-router)# area area-id stub [no-summary]

Which of the following commands need to be configured on a RIPng router prior to enabling this routing protocol?


Options are :

  • .ipv6 rip enable
  • .ipv6 multicast-routing
  • ipv6 unicast-routing (Correct)
  • ipv6 router rip

Answer : ipv6 unicast-routing

RouterA and RouterB are both in OSPF area 2, and RouterA is connected directly to the backbone. Their router IDs are shown below: RouterA - 165.165.20.15 RouterB - 165.165.10.12 Which commands should be executed on RouterA and RouterB to create a virtual link between the two routers?


Options are :

  • RouterA(config-router)# area 2 virtual-link 165.165.10.12 RouterB(config-router)# area 2 virtual-link 165.165.20.15 (Correct)
  • .RouterA(config-router)# area 2 virtual-link 165.165.10.12 RouterB(config-router)# area 0 virtual-link 165.165.20.15
  • RouterA(config-router)# area 0 virtual-link 165.165.10.12 RouterB(config-router)# area 0 virtual-link 165.165.20.15
  • .RouterA(config-router)# area 0 virtual-link 165.165.20.15 RouterB(config-router)# area 2 virtual-link 165.165.10.12

Answer : RouterA(config-router)# area 2 virtual-link 165.165.10.12 RouterB(config-router)# area 2 virtual-link 165.165.20.15

Which command can you use to display the topological database maintained by an OSPF router?


Options are :

  • show ip ospf [process-id]
  • show ip ospf topology
  • show ip ospf database (Correct)
  • show ip ospf border-routers

Answer : show ip ospf database

Which conditions will prevent two EIGRP routers from becoming neighbors? (Choose two.)


Options are :

  • Their K-values do not match. (Correct)
  • Their hello intervals do not match.
  • Their hold times do not match.
  • Their AS numbers do not match. (Correct)

Answer : Their K-values do not match. Their AS numbers do not match.

You are configuring EIGRP on a spoke router in a hub-and-spoke topology. In an effort to keep the routing table small, the hub router has been configured to send only a default route to the remote routers. What command would you use on the spoke routers to enable them to send only connected and summary routes to the hub router, and prevent the hub router from sending a query to the spoke router when a route is lost elsewhere?


Options are :

  • eigrp stub receive-only
  • eigrp passive
  • eigrp stub static
  • .eigrp stub (Correct)

Answer : .eigrp stub

You are configuring BGP speakers RouterA and RouterB to authenticate one another. The following conditions exist: RouterA has an IP address of 192.168.5.3 RouterB has an IP address of 192.168.5.2 Both routers reside in AS 6550. Which of the following commands will result in successful authentication?


Options are :

  • .neighbor 192.168.5.2 password routerb executed on RouterB
  • neighbor 192.168.5.2 password routerb executed on RouterA neighbor 192.168.5.3 password routera executed on RouterB
  • neighbor 192.168.5.2 password routera executed on RouterA
  • neighbor 192.168.5.2 password routera executed on RouterA neighbor 192.168.5.3 password routera executed on RouterB (Correct)
  • neighbor 192.168.5.2 password routera executed on RouterA neighbor 192.168.5.3 password routerb executed on RouterB

Answer : neighbor 192.168.5.2 password routera executed on RouterA neighbor 192.168.5.3 password routera executed on RouterB

You have a router that is running both OSPF and RIP. You have configured this router to perform mutual redistribution between the two protocols. The following conditions exist: The S0/0 interface, which is configured for RIP, is routing for the 172.16.5.0/24 network. The S0/1 interface, which is configured for OSPF, is routing for the 172.16.6.32/28 network. Users in the RIP domain are unable to connect to devices in the OSPF domain. What must be done to allow the OSPF routes to be redistributed into the RIP domain? (Choose two. Each correct answer is part of the solution.)


Options are :

  • Execute the passive-interface command on S0/0.
  • .Create a loopback address on the router
  • Redistribute static routes into RIP (Correct)
  • .Create a static route that points to 172.16.6.0/24 with a next hop of null0 (Correct)

Answer : Redistribute static routes into RIP .Create a static route that points to 172.16.6.0/24 with a next hop of null0

Which of the following commands allows a Cisco router to obtain an IP address from a DHCP server?


Options are :

  • Router(config)# address dhcp
  • Router(config-if)# ip address dhcp (Correct)
  • .Router(dhcp-config)# ip address dhcp
  • Router(config)# ip address dhcp

Answer : Router(config-if)# ip address dhcp

You have configured a BGP network with several routers in the same autonomous system (AS). There are three possible routes from router A to router B in the network. The following conditions exist: All three routes have the same weight All three routes were originated locally through the use of the network command The bgp default local-preference 50 command is executed for all three routes All three routes have different lists of AS through which they travel Which of the following parameters is used to select the best path among the three routes?


Options are :

  • LOCAL_PREF
  • MED
  • AS_Path (Correct)
  • .Weight

Answer : AS_Path

Which statements about BGP policy-based routing are true? (Choose two.)


Options are :

  • .BGP policy-based routing will select the next-hop of the packet based on its source address. (Correct)
  • A BGP administrator can use policy-based routing to alter the final destination of the packet.
  • BGP policy-based routing is performed on a router's inbound interface. (Correct)
  • .BGP policy-based routing can be used to alter the path selection for a packet in a downstream AS.

Answer : .BGP policy-based routing will select the next-hop of the packet based on its source address. BGP policy-based routing is performed on a router's inbound interface.

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