1
How often does RIPv2 send routing table updates, by default?
a every 30 seconds ****
b every 45 seconds
c every 60 seconds
d every 90 seconds
2
Which Layer 4 protocol does EIGRP use to provide reliability for the transmission of
routing information?
a DUAL
b IP
c PDM
d RTP ****
e TCP
f UDP
3
A network administrator issues the command show ip route and sees this line of output:
192.168.3.0/24 [120/2] via 192.168.2.2, 00:00:05, Serial0/0
What two pieces of information can be obtained from the output? (Choose two.)
a RIP is the routing protocol configured. ****
b This is a static route to network 192.168.3.0. ****
c The metric for this route is 2.
d The next periodic update is in 5 seconds.
e The autonomous system number is 120.
4
Refer to the exhibit. A network administrator is troubleshooting a routing problem. When
the show ip route command is entered on RTR-1, only the serial link between RTR-2 and
RTR-3 has been learned from the RIP routing protocol. What are two issues? (Choose
two.)
a RIPv1 is a classful routing protocol. ****
b RIPv1 does not support subnetting.
c The Ethernet networks on RTR-2 and RTR-3 were not entered correctly in the network
statements on these routers.
d RIPv1 does not support VLSM. *****
e RIPv1 is a classless routing protocol.
5
What two problems may occur if the EIGRP default bandwidth for a serial link is higher
than the actual bandwidth? (Choose two.)
a Routing updates will arrive too quickly for receiving routers to process.
b The port IP address will be rejected by the routing protocol.
c Suboptimal paths will be selected.
d The port protocol will return to the HDLC default.
e VLSM support will be disabled. ****
f Network convergence may be affected. *****
6
What two statements are correct regarding EIGRP authentication? (Choose two.)
a EIGRP authentication uses the MD5 algorithm. ****
b EIGRP authentication uses a pre-shared key. ****
c EIGRP authentication requires that both routers have the same key chain name.
d EIGRP authentication uses varying levels of WEP to encrypt data exchanged between
routers.
e EIGRP authentication can be configured on one router and updates from this router are
protected; whereas a neighbor router can be without the authentication configuration and
its updates are unprotected.
7
Refer to the exhibit. Which statement is true about the EIGRP authentication
configuration?
a RTA and RTB will accept updates from each other.
b RTA and RTB will not accept updates from each other because key 1 on RTB does not
match RTA. *****
c RTA and RTB will not accept updates from each other because the key chain names do
not match.
d The ip authentication mode AS does not match the locally configured AS.
8
Refer to the exhibit. Routers A and B have EIGRP configured and automatic
summarization has been disabled on both routers. Which router command will summarize
the attached routes?
a ip area-range eigrp 1 192.168.10.80 255.255.255.224
b ip summary-address eigrp 1 192.168.10.64 255.255.255.192 ****
c ip summary-address 192.168.10.80 0.0.0.31
d ip summary-address eigrp 1 192.168.10.64 0.0.0.63
e ip area-range eigrp 1 192.168.10.64 255.255.255.224
9
What is the default administrative distance for EIGRP internal routes?
a 70
b 90 ****
c 100
d 110
e 120
f 255
10
How do EIGRP routers establish and maintain neighbor relationships?
a by exchanging neighbor tables with directly attached routers
b by comparing known routes to information received in updates
c by exchanging hello packets with neighboring routers ****
d by dynamically learning new routes from neighbors
e by exchanging routing tables with directly attached routers
11
Refer to the exhibit. Routers RTR-1 and RTR-3 are completely configured. The
administrator needs to configure the routing protocol on router RTR-2 so that
communication occurs throughout the network. Which group of commands will
successfully configure EIGRP on RTR-2?
a RTR-2(config)# router eigrp 1 *****
RTR-2(config-router)# network 198.18.76.0
b RTR-2(config)# router eigrp 1
RTR-2(config-router)# network 198.18.76.0 0.0.0.3 no-summary
RTR-2(config-router)# network 198.18.76.4 0.0.0.3 no-summary
RTR-2(config-router)# network 198.18.76.128 0.0.0.192 no-summary
c RTR-2(config)# router eigrp 1
RTR-2(config-router)# network 198.18.76.0 0.0.0.3 area 0
RTR-2(config-router)# network 198.18.76.4 0.0.0.3 area 0
RTR-2(config-router)# network 198.18.76.192 0.0.0.192 area 0
d RTR-2(config)# router eigrp 1
RTR-2(config-router)# network 198.18.76.0 0.0.0.3
RTR-2(config-router)# network 198.198.76.4 0.0.0.3
RTR-2(config-router)# network 198.198.76.128 0.0.0.192
12
What is indicated when an EIGRP route is in the passive state?
a The route has the highest path cost of all routes to that destination network.
b The route must be confirmed by neighboring routers before it is put in the active state.
c The route is a feasible successor and will be used if the active route fails.
d There is no activity on the route to that network.
e The route is viable and can be used to forward traffic. *****
13
What two statements are true regarding EIGRP tables? (Choose two.)
a A feasible successor route can be found in the topology table. ****
b A successor route can only be found in the routing table.
c The topology table shows whether a route is in the passive or active state. ****
d The routing table shows the amount of time elapsed since a router adjacency was
formed.
e The neighbor table shows all adjacent Cisco devices.
f Administrative distance is shown as a column in the neighbor table.
14
What prevents RIPv1 updates from being correctly advertised?
a an increase in network load
b the use of variable length subnet masks ****
c the use of multiple Layer 3 networks on the same router
d a variation in connection speeds on the links to a destination
e a mismatch between the configured bandwidth and the actual bandwidth of a link
15
When should EIGRP automatic summarization be turned off?
a when a router has not discovered a neighbor within three minutes
b when a router has more than three active interfaces
c when a network contains discontiguous network addresses
d when a router has less than five active interfaces
e when a network addressing scheme uses VLSM *****
16
What is the purpose of the network command when RIP is being configured as the
routing protocol?
a It identifies the networks connected to the neighboring router.
b It restricts networks from being used for static routes.
c It identifies all of the destination networks that the router is allowed to install in its
routing table.
d It identifies the directly connected networks that will be included in the RIP routing
updates. ****
17
What is the maximum number of hops that RIP will attempt before it considers the
destination unreachable?
a 14 hops
b 15 hops *****
c 16 hops
d 17 hops
18
What does a router that is running RIP use to determine the best path to take when
forwarding data?
a the host portion of the network address ****
b the speed of network convergence
c the calculated metric for the destination network
d the number of broadcasts occurring on an interface
e the number of errors occurring on an interface
19
Refer to the exhibit. Which statement is true about the output from the show ip protocols
command?
a RIPv2 is configured on this router. ****
b Auto summarization has been disabled.
c The next routing update is due in 17 seconds.
d 192.168.16.1 is the address configured on the local router.
20
What three statements are true about routers that are configured for EIGRP? (Choose
three.)
a They can support multiple routed protocols. ****
b They can support only link-state protocols.
c They send their entire routing tables to neighboring routers.
d They send partial routing updates in response to topology changes. ****
e They send routing updates to all other routers in the network.
f They use hello packets to inform neighboring routers of their status. ****
21
Given the following commands:
Router(config)# router rip
Router(config-router)# network 192.31.7.0
What three conclusions can be determined based on the commands used on the router?
(Choose three.)
a A link-state routing protocol is used.
b A distance vector routing protocol is used. ****
c Routing updates broadcast every 30 seconds. *****
d Routing updates broadcast every 90 seconds.
e Hop count is the only metric used for route selection. *****
f Bandwidth, load, delay, and reliability are metrics used for route selection.