Test
SB&W: Exam CH 7 & 8
Este test tiene tipos de pregunta que se abren en el reproductor de siempre.
Preguntas del test (44)
1If 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?
- A10 seconds
- B15 seconds
- C20 seconds
- D30 seconds
2In 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.
- Aactive
3A 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.)
- Aload
- BMTU
- Creliability
- Ddelay
- Ebandwidth
4EIGRP uses the protocol [blank_start]RTP[blank_end] to deliver EIGRP packets to neighbors.
- ARTP
5Which two EIGRP packet types are sent with unreliable delivery? (Choose two.)
- Ahello
- Bupdate
- Creply
- Dacknowledgement
- Equery
6Why would a network administrator use a wildcard mask in the network command when configuring a router to use EIGRP?
- Ato send a manual summarization
- Bto exclude some interfaces from the EIGRP process
- Cto subnet at the time of the configuration
- Dto lower the router overhead
7What is indicated when an EIGRP route is in the passive state?
- AThe route must be confirmed by neighboring routers before it is put in the active state.
- BThe route is viable and can be used to forward traffic.
- CThe route has the highest path cost of all routes to that destination network.
- DThere is no activity on the route to that network.
- EThe route is a feasible successor and will be used if the active route fails.
8Refer 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?
- A2169856
- B2816
- C10512128
- D2340608
9Which destination MAC address is used when a multicast EIGRP packet is encapsulated into an Ethernet frame?
- A01-00-5E-00-00-09
- B01-00-5E-00-00-10
- C01-00-5E-00-00-0A
- D01-00-5E-00-00-0B
10Which configuration is necessary to ensure successful operation of EIGRP for IPv6?
- AThe no shutdown command is required within the router configuration mode
- BThe router eigrp autonomous-system command is required within the router configuration mode.
- CThe eigrp router-id command requires an IPv6 address within the router configuration mode.
- DThe network command is required within the router configuration mode
11Which table is used by EIGRP to store all routes that are learned from EIGRP neighbors?
- Athe routing table
- Bthe adjacency table
- Cthe topology table
- Dthe neighbor table
12Which command is used to display the bandwidth of an interface on an EIGRP-enabled router?
- Ashow ip route
- Bshow ip protocols
- Cshow interfaces
- Dshow ip interface brief
13What is identified within the opcode of an EIGRP packet header?
- Athe EIGRP sum of delays from source to destination
- Bthe EIGRP autonomous system metrics
- Cthe EIGRP message type that is being sent or received from a neighbor
- Dthe EIGRP hold timer agreed upon with a neighbor
14Refer to the exhibit. Which two networks contain feasible successors? (Choose two.)
- A192.168.71.0
- B192.168.51.0
- C10.44.100.252
- D10.44.101.252
- E10.44.104.253
15How do EIGRP routers establish and maintain neighbor relationships?
- Aby exchanging neighbor tables with directly attached routers
- Bby comparing known routes to information received in updates
- Cby exchanging hello packets with neighboring routers
- Dby dynamically learning new routes from neighbors
- Eby exchanging routing tables with directly attached routers
16What is the purpose of using protocol-dependent modules in EIGRP?
- Ato describe different routing processes
- Bto accommodate routing of different network layer protocols
- Cto use different transport protocols for different packets
- Dto identify different application layer protocols
17Refer 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?
- Anetwork 172.16.23.64 0.0.0.63
- Bnetwork 172.16.23.64 0.0.0.127
- Cnetwork 172.16.23.0 255.255.255.192
- Dnetwork 172.16.23.0 255.255.255.128
18Which 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?
- Abandwidth 1500
- Bshutdown
no shutdown - Ccopy running-config startup-config
reload - Dno bandwidth
19What is the multicast address used by an EIGRP-enabled router operating with IPv6?
- AFFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF
- BFF02::1
- CFF02::B
- DFF02::A
20An administrator issues the router eigrp 100 command on a router. What is the number 100 used for?
- Aas the autonomous system number
- Bas the maximum bandwidth of the fastest interface on the router
- Cas the number of neighbors supported by this router
- Das the length of time this router will wait to hear hello packets from a neighbor
21What information does EIGRP maintain within the routing table?
- Aadjacent neighbors
- Ball routes known to the router
- Conly successors
- Donly feasible successors
- Eboth successors and feasible successors
22Which EIGRP parameter must match between all routers forming an EIGRP adjacency?
- Ahold timer
- Bvariance
- Chello timer
- Dadministrative distance
- Eautonomous system number
23Which administrative distance is used to advertise routes learned from other protocols that are redistributed into EIGRP?
- A170
- B90
- C115
- D5
24Refer 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?
- AThe same autonomous system numbers must be used in the interface configurations of each router.
- BThe same key chain name must be used on each router.
- CThe key string should be used in interface mode instead of the key chain.
- DThe same number of key strings must be used on each router
- EThe authentication configuration is correct, issue the show ip eigrp neighbors command to troubleshoot the issue.
25Refer to the exhibit. Which two routes will be advertised to the router ISP if autosummarization is disabled? (Choose two.)
- A10.1.4.0/30
- B10.1.2.0/24
- C10.1.0.0/16
- D10.1.4.0/24
- E10.1.4.0/28
26Refer 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?
- AThe network statement for the ISP connection has not been issued
- BThere are no EIGRP neighbor relationships on R1.
- CThe command redistribute static has not been issued on R1
- DThe ip route command must specify a next-hop IP address instead of an exit interface when creating a default route
- EThe command default-information originate has not been issued on R1
27What two statements are correct regarding EIGRP authentication? (Choose two.)
- AEIGRP authentication requires that both routers have the same key chain name.
- BEIGRP authentication uses varying levels of WEP to encrypt data exchanged between routers.
- CEIGRP authentication uses the MD5 algorithm.
- DEIGRP 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.
- EEIGRP authentication uses a pre-shared key.
28Refer to the exhibit. Which statement is supported by the output?
- AThe route to 192.168.1.1 represents the configuration of a loopback interface.
- BA default route is being learned through an external process.
- CSummarization of routes has been manually configured.
- DA static default route has been manually configured on this router.
29Refer 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?
- AThe networks that are configured on serial 0/0/0 and serial 0/1/0 of router R1 are overlapping.
- BThe passive-interface command should have been issued on serial 0/1/0.
- CThe IPv4 address configured on the neighbor that is connected to R1 serial 0/1/0 is incorrect.
- DThe network statement used for EIGRP 55 does not enable EIGRP on interface serial 0/1/0.
- EThe hello interval has been altered on serial 0/1/0 and is preventing a neighbor relationship from forming.
30What 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]
- Ashow ip eigrp neighbor
31Refer to the exhibit. Considering that R2, R3, and R4 are correctly configured, why did R1 not establish an adjacency with R2, R3, and R4?
- Abecause the Fa0/0 interface of R1 is declared as passive for EIGRP
- Bbecause there is no network command for the network 192.168.1.0/24 on R1
- Cbecause the automatic summarization is enabled on R1
- Dbecause the IPv4 address on Fa0/0 interface of R1 is incorrect
32Which address best summarizes the IPv6 addresses 2001:DB8:ACAD::/48, 2001:DB8:9001::/48, and 2001:DB8:8752::/49?
- A2001:DB8:8000::/36
- B2001:DB8:8000::/34
- C2001:DB8:8000::/48
- D2001:DB8:8000::/47
33By default, how many equal-cost routes to the same destination network will EIGRP install in the routing table?
- A2
- B4
- C6
- D8
34In which scenario will the use of EIGRP automatic summarization cause inconsistent routing in a network?
- Awhen the routers in an IPv4 network have mismatching EIGRP AS numbers
- Bwhen there is no common subnet that exists between neighboring routers
- Cwhen the routers in an IPv4 network are connected to discontiguous networks with automatic summarization enabled
- Dwhen there is no adjacency that is established between neighboring routers
35Refer 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.)
- Aserial 0/0/1 of R3
- Bgig 0/0 of R3
- Cserial 0/1/0 of R4
- Dserial 0/1/0 of R2
- Eserial 0/0/1 of R2
36Refer to the exhibit. Router CiscoVille has been partially configured for EIGRP authentication. What is missing that would allow successful authentication between EIGRP neighbors?
- AThe CiscoVille router requires a second keychain to function correctly when using two interfaces for EIGRP authentication.
- BThe keychain for EIGRP authentication must be configured on the interfaces.
- CA username and password must be configured.
- DThe interfaces that will use EIGRP authentication must be specified.
37Two routers, R1 and R2, have established an EIGRP neighbor relationship, but there is still a connectivity problem. Which issue could be causing this problem?
- Aan access list that is blocking advertisements from other networks
- Ban authentication mismatch
- Cautomatic summarization that is disabled on both routers
- Da process ID mismatch
38Refer 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?
- AAutomatic summarization has been enabled only for the 172.21.100.0/24 network.
- BAutomatic summarization is disabled on R3.
- CAutomatic summarization is enabled on neighboring routers
- DAutomatic summarization is disabled on a per-interface basis.
39Refer 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.)
- A192.168.10.0/30
- B172.16.0.0/16
- C192.168.10.0/24
- D192.168.1.0/30
- E172.16.3.0/24
40Which command can be issued on a router to verify that automatic summarization is enabled?
- Ashow ip eigrp interfaces
- Bshow ip eigrp neighbors
- Cshow ip protocols
- Dshow ip interface brief
41What is a characteristic of manual route summarization?
- Acannot include supernet routes
- Breduces total number of routes in routing tables
- Crequires high bandwidth utilization for the routing updates
- Dhas to be configured globally on the router
42Refer to the exhibit. Which two conclusions can be drawn from the exhibited configuration? (Choose two.)
- AThe configuration supports unequal-cost load balancing.
- BAny EIGRP-learned route with a metric less than 3 times the successor metric will be installed in the local routing table.
- CThe configuration supports equal-cost load balancing.
- DThe network statements require subnet masks to prevent autosummarization.
- EAny EIGRP-learned route with a metric equal to 3 times the successor metric will be installed in the local routing table.
43What is the purpose of a Null0 route in the routing table?
- Ato prevent the router from sending EIGRP packets
- Bto redistribute external routes into EIGRP
- Cto prevent routing loops
- Dto act as a gateway of last resort
44Which 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?
- Aip bandwidth-percent eigrp 100 8
- Bvariance 8
- Cmaximum-paths 8
- Dtraffic-share balanced
Información
- Descripción
- SB&W: Exam CH 7 & 8
- Autor
- Anthony Schulmeister
- Idioma
- English
- Visitas
- 153
- Etiquetas
- Valoración
- Aún sin valoraciones Valora este test