Tuesday, 24 July 2012

CCNA 2ND MODULE QUESTION & ANS


1  What is the default update period in seconds for the RIP routing protocol?
10
12
15
20
30
60


2  Which of the following is considered a limitation of RIP v1?
RIP v1 does not send subnet mask information in its updates.
RIP v1 is not widely supported by networking hardware vendors.
RIP v1 consumes excessive bandwidth by multicasting routing updates using a Class D address.
RIP v1 requires enhanced router processors and extra RAM to function effectively.
RIP v1 does not support load balancing across equal-cost paths.
RIP v1 authentication is complicated and time-consuming to configure.


3  Which command will display RIP activity as it occurs on a router?
debug ip rip
show ip route
show ip interface
show ip protocols
debug ip rip config
show ip rip database


4  What are three characteristics of the RIPv1 routing protocol? (Choose three.)
supports the use of VLSM
uses hop count as a metric
considers a metric of 16 as infinity
has an administrative distance of 110 by default
includes the destination IP address and subnet mask in routing updates
calculates metrics using the Bellman Ford algorithm



5  What will happen if an interface IP address is entered for the address portion of the network command in a RIPv1 configuration instead of a network address?
The router will reject the command.
A route to the host address will be added to outgoing RIP updates.
A route to the host address will be added to the routing table.
All interfaces in the same classful network as the configured address will be included in the RIPv1 routing process.



6  The following line was displayed in the output of the show ip route command. R 192.168.3.0/24 [120/3] via 192.168.2.2, 00:00:30, Serial0/0 What is the value of the routing metric?
3
12
20
30
120


7  Which command or set of commands will stop the RIP routing process?
RouterB(config)# router rip RouterB(config-router)# shutdown
RouterB(config)# router rip RouterB(config-router)# network no 192.168.2.0
RouterB(config)# no router rip
RouterB(config)# router no rip


8  Which two statements are true regarding the characteristics of RIPv1? (Choose two).
It is a distance vector routing protocol.
It advertises the address and subnet mask for routes in routing updates.
The data portion of a RIP message is encapsulated into a TCP segment.
The data portion of a RIP message is encapsulated into a UDP segment.
It broadcasts updates every 15 seconds.
It allows a maximum of 15 routers in the routing domain.



9  Refer to the exhibit. The Ethernet interface on Router2 goes down and the administrator notices that the route is still valid in the routing table of Router1. How much longer will it take for Router1 to mark the route invalid by setting the metric to 16?
30 seconds
90 seconds
155 seconds
180 seconds
255 seconds


10 Refer to the exhibit. All routers in the exhibit are running RIP v1. The network administrator issues the show ip route command on router A. What routes would appear in the routing table output if the network is converged? (Choose two).
R 192.168.2.0/24 [120/1]
C 192.168.2.0/24 [120/1]
R 10.10.3.0/24 [120/0]
C 10.10.3.0/24 [120/1]
R 10.10.1.0/24 [120/2]
R 10.10.1.0/24 [120/3]

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