CCNA 3 Chapter 6 V6.0 Answers
1. Order the precedence in which an EIGRP router would choose the router ID. (Not all options are used.)
eigrp router-id command = first
highest IPv4 address on active physical interfaces = third
highest IPv4 address on loopback interfaces = second
2. Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. Which code is displayed on the web server?
Done
IPv6EIGRP
Complete
EIGRP
3. 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 maximum bandwidth of the fastest interface on the router
as the number of neighbors supported by this router
4. 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?
bandwidth 1500
shutdown
no shutdown
no bandwidth
copy running-config startup-config
reload
5. Which statement describes a characteristic of the delivery of EIGRP update packets?
EIGRP sends all update packets via unicast.
EIGRP sends all update packets via multicast.
EIGRP uses UDP to send all update packets.
EIGRP uses a reliable delivery protocol to send all update packets.
6. 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 router eigrp autonomous-system command is required within the router configuration mode.
The eigrp router-id command requires an IPv6 address within the router configuration mode.
7. Which two EIGRP packet types are sent with unreliable delivery? (Choose two.)
acknowledgment
query
reply
hello
update
8. Which table is used by EIGRP to store all routes that are learned from EIGRP neighbors?
the topology table
the adjacency table
the routing table
the neighbor table
9. 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?
10512128
2816
2340608
2169856
10. 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.)
bandwidth
load
MTU
delay
reliability
11. Which three metric weights are set to zero by default when costs in EIGRP are being calculated? (Choose three.)
k3
k5
k6
k1
k2
k4
12. Match the correct version of EIGRP with the EIGRP features. (Not all options are used.)
source address for EIGRP messages is a routable address = EIGRP for IPv4 only
uses a 32-bit router ID = both EIGRP for IPv4 and EIGRP for IPv6
source address for EIGRP messages is a link-local address = EIGRP for IPv6 only
13. Which two factors does an EIGRP router use to determine that a route to a remote network meets the feasible condition and is therefore loop-free? (Choose two.)
the feasible successor route on the remote router
the feasible distance on the local router
the administrative distance on the remote router
the successor route on a neighbor router
the reported distance on a neighbor router
14. Refer to the exhibit. Which two networks contain feasible successors? (Choose two.)
10.44.101.252
10.44.104.253
192.168.51.0
192.168.71.0
10.44.100.252
15. What is the purpose of using protocol-dependent modules in EIGRP?
To use different transport protocols for different packets
to describe different routing processes
to identify different application layer protocols
to accommodate routing of different network layer protocols
16. Why would a network administrator use a wildcard mask in the network command when configuring a router to use EIGRP?
to subnet at the time of the configuration
to send a manual summarization
to exclude some interfaces from the EIGRP process
to lower the router overhead
17. 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 sum of delays from source to destination
the EIGRP hold timer agreed upon with a neighbor
the EIGRP autonomous system metrics
18. Which destination MAC address is used when a multicast EIGRP packet is encapsulated into an Ethernet frame?
01-00-5E-00-00-0A
01-00-5E-00-00-09
01-00-5E-00-00-0B
01-00-5E-00-00-10
19. When an EIGRP-enabled router uses a password to accept routes from other EIGRP-enabled routers, which mechanism is used?
bounded updates
EIGRP authentication
Reliable Transport Protocol
Diffusing Update Algorithm
partial updates
20. 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.
21. 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?
an administrative distance less than 170
a reported distance greater than 41024000
a feasible distance greater than 41024000
a reported distance less than 3523840
22. 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?
15 seconds
30 seconds
20 seconds
10 seconds
23. A network administrator wants to verify the default delay values for the interfaces on an EIGRP-enabled router. Which command will display these values?
show ip protocols
show ip route
show interfaces
show running-config
24. What information does EIGRP maintain within the routing table?
all routes known to the router
only successors
only feasible successors
adjacent neighbors
both successors and feasible successors
25. Fill in the Blank. Use the abbreviation.
EIGRP uses the protocol _RTP_ to deliver EIGRP packets to neighbors.
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