Ccna 3-discovery-4-0-module-5-100-

1.
Which Layer 4 protocol does EIGRP use to provide reliability for the transmission of routing information?
DUAL
IP
PDM
RTP
TCP
UDP
Scoring Rule For: correctness of response
2 points for Option 4
0 points for any other option
Max Value = 2
2.
What does a router that is running RIP use to determine the best path to take when forwarding data?
the host portion of the network address
the speed of network convergence
the calculated metric for the destination network
the number of broadcasts occurring on an interface
the number of errors occurring on an interface
Max Value = 2
3.
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What is the purpose of the network command when RIP is being configured as the routing protocol?
It identifies the networks connected to the neighboring router.
It restricts networks from being used for static routes.
It identifies all of the destination networks that the router is allowed to install in its routing table.
It identifies the directly connected networks that will be included in the RIP routing updates.
Max Value = 2
4.
A network administrator issues the command show ip route and observes 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.)
RIP is the routing protocol that is configured.
This is a static route to network 192.168.3.0.
The metric for this route is 2.
The next periodic update is in 5 seconds.
The autonomous system number is 120.
Option 1 and Option 3 are correct.
1 point for each correct option.
0 points if more options are selected than required.
Max Value = 2
5.
How often does RIPv2 send routing table updates, by default?
every 30 seconds
every 45 seconds
every 60 seconds
every 90 seconds
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Max Value = 2
6.
What two statements are correct regarding EIGRP authentication? (Choose two.)
EIGRP authentication uses the MD5 algorithm.
EIGRP authentication uses a pre-shared key.
EIGRP authentication requires that both routers have the same key chain name.
EIGRP authentication uses varying levels of WEP to encrypt data exchanged between routers.
EIGRP authentication can be configured on one router and updates from this router are protected; whereas
neighbor router can be without the authentication configuration and its updates are unprotected.
Max Value = 2
7.
Refer to the exhibit. What three conclusions can be determined based on the exhibited commands? (Choose
three.)
A link-state routing protocol is used.
A distance vector routing protocol is used.
Routing information updates are broadcast every 30 seconds.
Routing information updates are broadcast every 90 seconds.
Hop count is the only metric used for route selection.
Bandwidth, load, delay, and reliability are metrics that are used for route selection.
Option 2, Option 3, and Option 5 are correct.
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Max Value = 3
8.
What is the default administrative distance for EIGRP internal routes?
70
90
100
110
120
255
Max Value = 2
9.
What is indicated when an EIGRP route is in the passive state?
The route has the highest path cost of all routes to that destination network.
The route must be confirmed by neighboring routers before it is put in the active state.
The route is a feasible successor and will be used if the active route fails.
There is no activity on the route to that network.
The route is viable and can be used to forward traffic.
Max Value = 2
10.
What prevents RIPv1 updates from being correctly advertised?
an increase in network load
the use of variable length subnet masks
the use of multiple Layer 3 networks on the same router
a variation in connection speeds on the links to a destination
a mismatch between the configured bandwidth and the actual bandwidth of a link
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Max Value = 2
11.
What three statements are true about routers that are configured for EIGRP? (Choose three.)
They can support multiple routed protocols.
They can support only link-state protocols.
They send their entire topology tables to neighboring routers.
They send partial routing updates in response to topology changes.
They send routing updates to all other routers in the network.
They use hello packets to inform neighboring routers of their status.
Option 1, Option 4, and Option 6 are correct.
Max Value = 3
12.
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 RI
routing protocol. What are two issues? (Choose two.)
RIPv1 is a classful routing protocol.
RIPv1 does not support subnetting.
The Ethernet networks on RTR-2 and RTR-3 were not entered correctly in the network statements on thes
routers.
RIPv1 does not support VLSM.
RIPv1 is a classless routing protocol.
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Max Value = 2
13.
Refer to the exhibit. The network is configured with RIP routing. Which mechanism prevents R1 from sendi
an information update about network A to R3?
poisoned reverse
split horizon
holddown timers
TTL
Max Value = 2
14.
How do EIGRP routers establish and maintain neighbor relationships?
by exchanging neighbor tables with directly attached routers
by comparing known routes to information received in updates
by exchanging hello packets with neighboring routers
by dynamically learning new routes from neighbors
by exchanging routing tables with directly attached routers
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Max Value = 2
15.
When should EIGRP automatic summarization be turned off?
when a router has not discovered a neighbor within three minutes
when a router has more than three active interfaces
when a network contains discontiguous network addresses
when a router has less than five active interfaces
when a network addressing scheme uses VLSM
Max Value = 2
16.
Refer to the exhibit. Which statement is true about the output from the show ip protocols command?
RIPv2 is configured on this router.
Auto summarization has been disabled.
The next routing update is due in 17 seconds.
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192.168.16.1 is the address configured on the local router.
Max Value = 2
17.
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Refer to the exhibit. Routers A and B have EIGRP configured, and automatic summarization has been disabl
on both routers. Which command applied on interface S0/0/0 of router A manually summarizes the networks
EIGRP advertisements to router B?
ip area-range eigrp 1 192.168.10.80 255.255.255.224
ip summary-address eigrp 1 192.168.10.64 255.255.255.192
ip summary-address 192.168.10.80 0.0.0.31
ip summary-address eigrp 1 192.168.10.64 0.0.0.63
ip area-range eigrp 1 192.168.10.64 255.255.255.224
Max Value = 2
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18.
Refer to exhibit. What two features are true of the exhibited topology? (Choose two.)
introduces a single point of failure
is required when no downtime is acceptable
provides the maximum redundancy available
Max Value = 2
19.
An enterprise network currently uses a star topology to connect the headquarters to four branch offices. The
network administrator wants to make one of the branch offices a centralized connection for three new local
offices. What is the resulting topology?
full mesh
partial mesh
extended star
topology remains a star
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An enterprise network currently uses a star topology to connect the headquarters to four branch offices. The
network administrator wants to make one of the branch offices a centralized connection for three new local
offices. What is the resulting topology?
full mesh
partial mesh
extended star
topology remains a star
Max Value = 2
20.
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Refer to the exhibit. The network administrator needs to configure a default route on the border router. Whic
command correctly configures a default route that will require the least amount of router processing when
forwarding packets?
ip route 0.0.0.0 0.0.0.0 64.100.59.5
ip route 0.0.0.0 0.0.0.0 64.100.59.6
ip route 0.0.0.0 0.0.0.0 s0/0/1
ip route 0.0.0.0 0.0.0.0 s1/2/1
Max Value = 2
21.
Refer to the exhibit. What is represented by the Null0 route for the 128.107.0.0 network?
a child route that is defined
a parent route that is defined and sourced from a physical interface
a summary route for advertising purposes, not an actual path
the result of the no auto-summary command on a router
Max Value = 2
22.
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Which two features of EIGRP are different from RIPv2? (Choose two.)
routing metric
VLSM support
routing updates
classless routing
MD5 authentication method
Max Value = 2
23.
What is the maximum distance in hops that a remote router can be and still be considered reachable by RIP?
14 hops
15 hops
16 hops
17 hops
Max Value = 2
24.
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Refer to the exhibit. The routers are configured with EIGRP and with default K values. What is the routing p
for a packet from network A to reach network B?
R1, R2, R5
R1, R3, R5
R1, R2, R3, R5
R1, R2, R4, R5
R1, R3, R2, R5
R1, R3, R2, R4, R5
Max Value = 2
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