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CCNA 3 Scaling Networks Chapter 7 v5 Exam Answers 2016
1. Order the precedence in which an EIGRP router would choose the router ID. (Not all options are used.)
Place the options in the following order:
first -> eigrp router-id command
– not scored –
third -> highest IPv4 address on active physical interfaces
second -> highest IPv4 address on loopback interfaces
Refer to the exhibit. Which command should be used to configure EIGRP to only advertise the network that is attached to the gigabit Ethernet 0/1 interface?
network 172.16.23.64 0.0.0.63*
network 172.16.23.0 255.255.255.192
network 172.16.23.64 0.0.0.127
network 172.16.23.0 255.255.255.128
What is the purpose of using protocol-dependent modules in EIGRP?
to accommodate routing of different network layer protocols*
to identify different application layer protocols
to describe different routing processes
to use different transport protocols for different packets
Which statement describes a characteristic of the delivery of EIGRP update packets?
EIGRP sends all update packets via unicast.
EIGRP uses a reliable delivery protocol to send all update packets.*
EIGRP uses UDP to send all update packets.
EIGRP sends all update packets via multicast.
A new network administrator has been asked to verify the metrics that are used by EIGRP on a Cisco device. Which two EIGRP metrics are measured by using static values on a Cisco device? (Choose two.)
Which protocol is used by EIGRP to send hello packets?
Which destination MAC address is used when a multicast EIGRP packet is encapsulated into an Ethernet frame?
8. Match the correct version of EIGRP with the EIGRP features. (Not all options are used.)
Place the options in the following order:
– not scored –
EIGRP for IPv4 only -> source address for EIGRP messages is a routable address
both EIGRP for IPv4 and EIGRP for IPv6 -> uses a 32-bit router ID
EIGRP for IPv6 only -> source address for EIGRP messages is a link-local address
Refer to the exhibit. R2 has two possible paths to the 192.168.10.4 network. What would make the alternate route meet the feasibility condition?
a reported distance greater than 41024000
a feasible distance greater than 41024000
an administrative distance less than 170
a reported distance less than 3523840*
Refer to the exhibit. Which two networks contain feasible successors? (Choose two.)
If all router Ethernet interfaces in an EIGRP network are configured with the default EIGRP timers, how long will a router wait by default to receive an EIGRP packet from its neighbor before declaring the neighbor unreachable?
Which command or commands must be entered on a serial interface of a Cisco router to restore the bandwidth to the default value of that specific router interface?
copy running-config startup-config
Which EIGRP route would have the preferred administrative distance?
a summary route*
an internal route
an external route that is redistributed from RIP
an external route that is redistributed from OSPF
How do EIGRP routers establish and maintain neighbor relationships?
by comparing known routes to information received in updates
by exchanging routing tables with directly attached routers
by dynamically learning new routes from neighbors
by exchanging hello packets with neighboring routers*
by exchanging neighbor tables with directly attached routers
When an EIGRP-enabled router uses a password to accept routes from other EIGRP-enabled routers, which mechanism is used?
Diffusing Update Algorithm
Reliable Transport Protocol
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 is a feasible successor and will be used if the active route fails.
The route is viable and can be used to forward traffic.*
There is no activity on the route to that network.
The route must be confirmed by neighboring routers before it is put in the active state.
Which three metric weights are set to zero by default when costs in EIGRP are being calculated? (Choose three.)
Why would a network administrator use a wildcard mask in the network command when configuring a router to use EIGRP?
to send a manual summarization
to exclude some interfaces from the EIGRP process*
to subnet at the time of the configuration
to lower the router overhead
Which table is used by EIGRP to store all routes that are learned from EIGRP neighbors?
the adjacency table
the routing table
the topology table*
the neighbor table
Where are EIGRP successor routes stored?
only in the routing table
in the routing table and the topology table*
only in the neighbor table
in the routing table and the neighbor table
Launch PT – Hide and Save PT
Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.
Which code is displayed on the web server?
Which command is used to display the bandwidth of an interface on an EIGRP-enabled router?
show ip protocols
show ip interface brief
show ip route
Fill in the blank.
In an EIGRP topology table, a route that is in a/an ” active ” state will cause the Diffusing Update Algorithm to send EIGRP queries that ask other routers for a path to this network.
24. Fill in the Blank. Use the abbreviation.
EIGRP uses the _RTP_ protocol to deliver EIGRP packets to neighbors.
25. What information does EIGRP maintain within the routing table?
only feasible successors
all routes known to the router
both successors and feasible successors
26. Refer to the exhibit.
R3 has two possible paths to the 172.16.99.0 network. What is the reported distance of the feasible successor route?
27. Which two EIGRP packet types are sent with reliable delivery? (Choose two.)
28. Which two EIGRP packet types are sent with unreliable delivery? (Choose two.)
29. Which configuration is necessary to ensure successful operation of EIGRP for IPv6?
The network command is required within the router configuration mode.
The no shutdown command is required within the router configuration mode.*
The eigrp router-id command requires an IPv6 address within the router configuration mode.
The router eigrp autonomous-system command is required within the router configuration mode.
30. What is identified within the opcode of an EIGRP packet header?
the EIGRP message type that is being sent or received from a neighbor*
the EIGRP hold timer agreed upon with a neighbor
the EIGRP sum of delays from source to destination
the EIGRP autonomous system metrics
31. An administrator issues the router eigrp 100 command on a router. What is the number 100 used for?
as the autonomous system number*
as the length of time this router will wait to hear hello packets from a neighbor
as the number of neighbors supported by this router
as the maximum bandwidth of the fastest interface on the router
32. What is the multicast address used by an EIGRP-enabled router operating with IPv6?