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?
10 seconds
15 seconds
20 seconds
30 seconds
In an EIGRP topology table, a route that is in a/an state will cause the Diffusing Update Algorithm to send EIGRP queries that ask other routers for a path to this network.
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.)
load
MTU
reliability
delay
bandwidth
EIGRP uses the protocol to deliver EIGRP packets to neighbors.
Which two EIGRP packet types are sent with unreliable delivery? (Choose two.)
hello
update
reply
acknowledgement
query
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
What is indicated when an EIGRP route is in the passive state?
The route must be confirmed by neighboring routers before it is put in the active state.
The route is viable and can be used to forward traffic.
The route has the highest path cost of all routes to that destination network.
There is no activity on the route to that network.
The route is a feasible successor and will be used if the active route fails.
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?
2169856
2816
10512128
2340608
Which destination MAC address is used when a multicast EIGRP packet is encapsulated into an Ethernet frame?
01-00-5E-00-00-09
01-00-5E-00-00-10
01-00-5E-00-00-0A
01-00-5E-00-00-0B
Which configuration is necessary to ensure successful operation of EIGRP for IPv6?
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.
The network command is required within the router configuration mode
Which table is used by EIGRP to store all routes that are learned from EIGRP neighbors?
the routing table
the adjacency table
the topology table
the neighbor table
Which command is used to display the bandwidth of an interface on an EIGRP-enabled router?
show ip route
show ip protocols
show interfaces
show ip interface brief
What is identified within the opcode of an EIGRP packet header?
the EIGRP sum of delays from source to destination
the EIGRP autonomous system metrics
the EIGRP message type that is being sent or received from a neighbor
the EIGRP hold timer agreed upon with a neighbor
Refer to the exhibit. Which two networks contain feasible successors? (Choose two.)
192.168.71.0
192.168.51.0
10.44.100.252
10.44.101.252
10.44.104.253
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
What is the purpose of using protocol-dependent modules in EIGRP?
to describe different routing processes
to accommodate routing of different network layer protocols
to use different transport protocols for different packets
to identify different application layer protocols
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 172.16.23.64 0.0.0.127
network 172.16.23.0 255.255.255.192
network 172.16.23.0 255.255.255.128
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
copy running-config startup-config reload
no bandwidth
What is the multicast address used by an EIGRP-enabled router operating with IPv6?
FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF
FF02::1
FF02::B
FF02::A
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 maximum bandwidth of the fastest interface on the router
as the number of neighbors supported by this router
as the length of time this router will wait to hear hello packets from a neighbor
What information does EIGRP maintain within the routing table?
adjacent neighbors
all routes known to the router
only successors
only feasible successors
both successors and feasible successors
Which EIGRP parameter must match between all routers forming an EIGRP adjacency?
hold timer
variance
hello timer
administrative distance
autonomous system number
Which administrative distance is used to advertise routes learned from other protocols that are redistributed into EIGRP?
170
90
115
5
Refer to the exhibit. A network administrator has configured EIGRP authentication between routers R1 and R2. After the routing tables are reviewed, it is noted that neither router is receiving EIGRP updates. What is a possible cause for this failure?
The same autonomous system numbers must be used in the interface configurations of each router.
The same key chain name must be used on each router.
The key string should be used in interface mode instead of the key chain.
The same number of key strings must be used on each router
The authentication configuration is correct, issue the show ip eigrp neighbors command to troubleshoot the issue.
Refer to the exhibit. Which two routes will be advertised to the router ISP if autosummarization is disabled? (Choose two.)
10.1.4.0/30
10.1.2.0/24
10.1.0.0/16
10.1.4.0/24
10.1.4.0/28
Refer to the exhibit. A network administrator has attempted to implement a default route from R1 to the ISP and propagate the default route to EIGRP neighbors. Remote connectivity from the EIGRP neighbor routers to the ISP connected to R1 is failing. Based on the output from the exhibit, what is the most likely cause of the problem?
The network statement for the ISP connection has not been issued
There are no EIGRP neighbor relationships on R1.
The command redistribute static has not been issued on R1
The ip route command must specify a next-hop IP address instead of an exit interface when creating a default route
The command default-information originate has not been issued on R1
What two statements are correct regarding EIGRP authentication? (Choose two.)
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 uses the MD5 algorithm.
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.
EIGRP authentication uses a pre-shared key.
Refer to the exhibit. Which statement is supported by the output?
The route to 192.168.1.1 represents the configuration of a loopback interface.
A default route is being learned through an external process.
Summarization of routes has been manually configured.
A static default route has been manually configured on this router.
Refer to the exhibit. After the configuration shown is applied on router R1, the exhibited status message is displayed. Router R1 is unable to form a neighbor relationship with R2 on the serial 0/1/0 interface. What is the most likely cause of this problem?
The networks that are configured on serial 0/0/0 and serial 0/1/0 of router R1 are overlapping.
The passive-interface command should have been issued on serial 0/1/0.
The IPv4 address configured on the neighbor that is connected to R1 serial 0/1/0 is incorrect.
The network statement used for EIGRP 55 does not enable EIGRP on interface serial 0/1/0.
The hello interval has been altered on serial 0/1/0 and is preventing a neighbor relationship from forming.
What is the command that should be issued on a router to verify that EIGRP adjacencies were formed?
Refer to the exhibit. Considering that R2, R3, and R4 are correctly configured, why did R1 not establish an adjacency with R2, R3, and R4?
because the Fa0/0 interface of R1 is declared as passive for EIGRP
because there is no network command for the network 192.168.1.0/24 on R1
because the automatic summarization is enabled on R1
because the IPv4 address on Fa0/0 interface of R1 is incorrect
Which address best summarizes the IPv6 addresses 2001:DB8:ACAD::/48, 2001:DB8:9001::/48, and 2001:DB8:8752::/49?
2001:DB8:8000::/36
2001:DB8:8000::/34
2001:DB8:8000::/48
2001:DB8:8000::/47
By default, how many equal-cost routes to the same destination network will EIGRP install in the routing table?
2
4
6
8
In which scenario will the use of EIGRP automatic summarization cause inconsistent routing in a network?
when the routers in an IPv4 network have mismatching EIGRP AS numbers
when there is no common subnet that exists between neighboring routers
when the routers in an IPv4 network are connected to discontiguous networks with automatic summarization enabled
when there is no adjacency that is established between neighboring routers
Refer to the exhibit. A network administrator has issued the shown commands. The EIGRP routing domain has completely converged and a network administrator is planning on configuring EIGRP authentication throughout the complete network. On which two interfaces should EIGRP authentication be configured between R2 and R3? (Choose two.)
serial 0/0/1 of R3
gig 0/0 of R3
serial 0/1/0 of R4
serial 0/1/0 of R2
serial 0/0/1 of R2
Refer to the exhibit. Router CiscoVille has been partially configured for EIGRP authentication. What is missing that would allow successful authentication between EIGRP neighbors?
The CiscoVille router requires a second keychain to function correctly when using two interfaces for EIGRP authentication.
The keychain for EIGRP authentication must be configured on the interfaces.
A username and password must be configured.
The interfaces that will use EIGRP authentication must be specified.
Two routers, R1 and R2, have established an EIGRP neighbor relationship, but there is still a connectivity problem. Which issue could be causing this problem?
an access list that is blocking advertisements from other networks
an authentication mismatch
automatic summarization that is disabled on both routers
a process ID mismatch
Refer to the exhibit. Router R3 is receiving multiple routes through the EIGRP routing protocol. Which statement is true about the implementation of summarization in this network?
Automatic summarization has been enabled only for the 172.21.100.0/24 network.
Automatic summarization is disabled on R3.
Automatic summarization is enabled on neighboring routers
Automatic summarization is disabled on a per-interface basis.
Refer to the exhibit. All networks are active in the same EIGRP routing domain. When the auto-summary command is issued on R3, which two summary networks will be calculated on R3? (Choose two.)
192.168.10.0/30
172.16.0.0/16
192.168.10.0/24
192.168.1.0/30
172.16.3.0/24
Which command can be issued on a router to verify that automatic summarization is enabled?
show ip eigrp interfaces
show ip eigrp neighbors
What is a characteristic of manual route summarization?
cannot include supernet routes
reduces total number of routes in routing tables
requires high bandwidth utilization for the routing updates
has to be configured globally on the router
Refer to the exhibit. Which two conclusions can be drawn from the exhibited configuration? (Choose two.)
The configuration supports unequal-cost load balancing.
Any EIGRP-learned route with a metric less than 3 times the successor metric will be installed in the local routing table.
The configuration supports equal-cost load balancing.
The network statements require subnet masks to prevent autosummarization.
Any EIGRP-learned route with a metric equal to 3 times the successor metric will be installed in the local routing table.
What is the purpose of a Null0 route in the routing table?
to prevent the router from sending EIGRP packets
to redistribute external routes into EIGRP
to prevent routing loops
to act as a gateway of last resort
Which command would limit the amount of bandwidth that is used by EIGRP for protocol control traffic to approximately 128 Kb/s on a 1.544 Mb/s link?
ip bandwidth-percent eigrp 100 8
variance 8
maximum-paths 8
traffic-share balanced
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