4614395
Descrição
Quiz por Anthony Schulmeister, atualizado more than 1 year ago
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Criado por Anthony Schulmeister
aproximadamente 8 anos atrás
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Questão 1
Questão
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?
Responda
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10 seconds
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15 seconds
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20 seconds
-
30 seconds
Questão 2
Questão
In an EIGRP topology table, a route that is in a/an [blank_start]active[blank_end] state will cause the Diffusing Update Algorithm to send EIGRP queries that ask other routers for a path to this network.
Responda
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active
Questão 3
Questão
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.)
Responda
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load
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MTU
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reliability
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delay
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bandwidth
Questão 4
Questão
EIGRP uses the protocol [blank_start]RTP[blank_end] to deliver EIGRP packets to neighbors.
Responda
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RTP
Questão 5
Questão
Which two EIGRP packet types are sent with unreliable delivery? (Choose two.)
Responda
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hello
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update
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reply
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acknowledgement
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query
Questão 6
Questão
Why would a network administrator use a wildcard mask in the network command when configuring a router to use EIGRP?
Responda
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to send a manual summarization
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to exclude some interfaces from the EIGRP process
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to subnet at the time of the configuration
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to lower the router overhead
Questão 7
Questão
What is indicated when an EIGRP route is in the passive state?
Responda
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The route must be confirmed by neighboring routers before it is put in the active state.
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The route is viable and can be used to forward traffic.
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The route has the highest path cost of all routes to that destination network.
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There is no activity on the route to that network.
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The route is a feasible successor and will be used if the active route fails.
Questão 8
Questão
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?
Responda
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2169856
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2816
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10512128
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2340608
Questão 9
Questão
Which destination MAC address is used when a multicast EIGRP packet is encapsulated into an Ethernet frame?
Responda
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01-00-5E-00-00-09
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01-00-5E-00-00-10
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01-00-5E-00-00-0A
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01-00-5E-00-00-0B
Questão 10
Questão
Which configuration is necessary to ensure successful operation of EIGRP for IPv6?
Responda
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The no shutdown command is required within the router configuration mode
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The router eigrp autonomous-system command is required within the router configuration mode.
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The eigrp router-id command requires an IPv6 address within the router configuration mode.
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The network command is required within the router configuration mode
Questão 11
Questão
Which table is used by EIGRP to store all routes that are learned from EIGRP neighbors?
Responda
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the routing table
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the adjacency table
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the topology table
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the neighbor table
Questão 12
Questão
Which command is used to display the bandwidth of an interface on an EIGRP-enabled router?
Responda
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show ip route
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show ip protocols
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show interfaces
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show ip interface brief
Questão 13
Questão
What is identified within the opcode of an EIGRP packet header?
Responda
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the EIGRP sum of delays from source to destination
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the EIGRP autonomous system metrics
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the EIGRP message type that is being sent or received from a neighbor
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the EIGRP hold timer agreed upon with a neighbor
Questão 14
Questão
Refer to the exhibit. Which two networks contain feasible successors? (Choose two.)
Responda
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192.168.71.0
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192.168.51.0
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10.44.100.252
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10.44.101.252
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10.44.104.253
Questão 15
Questão
How do EIGRP routers establish and maintain neighbor relationships?
Responda
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by exchanging neighbor tables with directly attached routers
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by comparing known routes to information received in updates
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by exchanging hello packets with neighboring routers
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by dynamically learning new routes from neighbors
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by exchanging routing tables with directly attached routers
Questão 16
Questão
What is the purpose of using protocol-dependent modules in EIGRP?
Responda
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to describe different routing processes
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to accommodate routing of different network layer protocols
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to use different transport protocols for different packets
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to identify different application layer protocols
Questão 17
Questão
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?
Responda
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network 172.16.23.64 0.0.0.63
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network 172.16.23.64 0.0.0.127
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network 172.16.23.0 255.255.255.192
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network 172.16.23.0 255.255.255.128
Questão 18
Questão
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?
Responda
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bandwidth 1500
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shutdown no shutdown
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copy running-config startup-config reload
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no bandwidth
Questão 19
Questão
What is the multicast address used by an EIGRP-enabled router operating with IPv6?
Responda
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FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF
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FF02::1
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FF02::B
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FF02::A
Questão 20
Questão
An administrator issues the router eigrp 100 command on a router. What is the number 100 used for?
Responda
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as the autonomous system number
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as the maximum bandwidth of the fastest interface on the router
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as the number of neighbors supported by this router
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as the length of time this router will wait to hear hello packets from a neighbor
Questão 21
Questão
What information does EIGRP maintain within the routing table?
Responda
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adjacent neighbors
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all routes known to the router
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only successors
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only feasible successors
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both successors and feasible successors
Questão 22
Questão
Which EIGRP parameter must match between all routers forming an EIGRP adjacency?
Responda
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hold timer
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variance
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hello timer
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administrative distance
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autonomous system number
Questão 23
Questão
Which administrative distance is used to advertise routes learned from other protocols that are redistributed into EIGRP?
Responda
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170
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90
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115
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5
Questão 24
Questão
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?
Responda
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The same autonomous system numbers must be used in the interface configurations of each router.
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The same key chain name must be used on each router.
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The key string should be used in interface mode instead of the key chain.
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The same number of key strings must be used on each router
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The authentication configuration is correct, issue the show ip eigrp neighbors command to troubleshoot the issue.
Questão 25
Questão
Refer to the exhibit. Which two routes will be advertised to the router ISP if autosummarization is disabled? (Choose two.)
Responda
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10.1.4.0/30
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10.1.2.0/24
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10.1.0.0/16
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10.1.4.0/24
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10.1.4.0/28
Questão 26
Questão
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?
Responda
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The network statement for the ISP connection has not been issued
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There are no EIGRP neighbor relationships on R1.
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The command redistribute static has not been issued on R1
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The ip route command must specify a next-hop IP address instead of an exit interface when creating a default route
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The command default-information originate has not been issued on R1
Questão 27
Questão
What two statements are correct regarding EIGRP authentication? (Choose two.)
Responda
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EIGRP authentication requires that both routers have the same key chain name.
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EIGRP authentication uses varying levels of WEP to encrypt data exchanged between routers.
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EIGRP authentication uses the MD5 algorithm.
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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.
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EIGRP authentication uses a pre-shared key.
Questão 28
Questão
Refer to the exhibit. Which statement is supported by the output?
Responda
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The route to 192.168.1.1 represents the configuration of a loopback interface.
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A default route is being learned through an external process.
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Summarization of routes has been manually configured.
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A static default route has been manually configured on this router.
Questão 29
Questão
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?
Responda
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The networks that are configured on serial 0/0/0 and serial 0/1/0 of router R1 are overlapping.
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The passive-interface command should have been issued on serial 0/1/0.
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The IPv4 address configured on the neighbor that is connected to R1 serial 0/1/0 is incorrect.
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The network statement used for EIGRP 55 does not enable EIGRP on interface serial 0/1/0.
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The hello interval has been altered on serial 0/1/0 and is preventing a neighbor relationship from forming.
Questão 30
Questão
What is the command that should be issued on a router to verify that EIGRP adjacencies were formed? [blank_start]show ip eigrp neighbor[blank_end]
Responda
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show ip eigrp neighbor
Questão 31
Questão
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?
Responda
-
because the Fa0/0 interface of R1 is declared as passive for EIGRP
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because there is no network command for the network 192.168.1.0/24 on R1
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because the automatic summarization is enabled on R1
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because the IPv4 address on Fa0/0 interface of R1 is incorrect
Questão 32
Questão
Which address best summarizes the IPv6 addresses 2001:DB8:ACAD::/48, 2001:DB8:9001::/48, and 2001:DB8:8752::/49?
Responda
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2001:DB8:8000::/36
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2001:DB8:8000::/34
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2001:DB8:8000::/48
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2001:DB8:8000::/47
Questão 33
Questão
By default, how many equal-cost routes to the same destination network will EIGRP install in the routing table?
Responda
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2
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4
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6
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8
Questão 34
Questão
In which scenario will the use of EIGRP automatic summarization cause inconsistent routing in a network?
Responda
-
when the routers in an IPv4 network have mismatching EIGRP AS numbers
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when there is no common subnet that exists between neighboring routers
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when the routers in an IPv4 network are connected to discontiguous networks with automatic summarization enabled
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when there is no adjacency that is established between neighboring routers
Questão 35
Questão
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.)
Responda
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serial 0/0/1 of R3
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gig 0/0 of R3
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serial 0/1/0 of R4
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serial 0/1/0 of R2
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serial 0/0/1 of R2
Questão 36
Questão
Refer to the exhibit. Router CiscoVille has been partially configured for EIGRP authentication. What is missing that would allow successful authentication between EIGRP neighbors?
Responda
-
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.
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A username and password must be configured.
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The interfaces that will use EIGRP authentication must be specified.
Questão 37
Questão
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?
Responda
-
an access list that is blocking advertisements from other networks
-
an authentication mismatch
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automatic summarization that is disabled on both routers
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a process ID mismatch
Questão 38
Questão
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?
Responda
-
Automatic summarization has been enabled only for the 172.21.100.0/24 network.
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Automatic summarization is disabled on R3.
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Automatic summarization is enabled on neighboring routers
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Automatic summarization is disabled on a per-interface basis.
Questão 39
Questão
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.)
Responda
-
192.168.10.0/30
-
172.16.0.0/16
-
192.168.10.0/24
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192.168.1.0/30
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172.16.3.0/24
Questão 40
Questão
Which command can be issued on a router to verify that automatic summarization is enabled?
Responda
-
show ip eigrp interfaces
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show ip eigrp neighbors
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show ip protocols
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show ip interface brief
Questão 41
Questão
What is a characteristic of manual route summarization?
Responda
-
cannot include supernet routes
-
reduces total number of routes in routing tables
-
requires high bandwidth utilization for the routing updates
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has to be configured globally on the router
Questão 42
Questão
Refer to the exhibit. Which two conclusions can be drawn from the exhibited configuration? (Choose two.)
Responda
-
The configuration supports unequal-cost load balancing.
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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.
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The network statements require subnet masks to prevent autosummarization.
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Any EIGRP-learned route with a metric equal to 3 times the successor metric will be installed in the local routing table.
Questão 43
Questão
What is the purpose of a Null0 route in the routing table?
Responda
-
to prevent the router from sending EIGRP packets
-
to redistribute external routes into EIGRP
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to prevent routing loops
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to act as a gateway of last resort
Questão 44
Questão
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?
Responda
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ip bandwidth-percent eigrp 100 8
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variance 8
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maximum-paths 8
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traffic-share balanced
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