Which Command Can Be Issued on a Router to Verify That Automatic Summarization Is Enabled?

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CCNA three (v5.0.3 + v6.0) Chapter vii Exam Answers for EIGRP

CCNA 3 Chapter 7 Exam Answers 2020

Read Chapter wise CCNA 3 Exam Answers (v5.1 + v6.0)

1. In which scenario will the use of EIGRP automatic summarization cause inconsistent routing in a network?

• when the routers in an IPv4 network accept mismatching EIGRP AS numbers
• 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
• when at that place is no mutual subnet that exists between neighboring routers

2. What is the purpose of a Null0 route in the routing tabular array?

• to prevent routing loops*
• to redistribute external routes into EIGRP
• to act as a gateway of last resort
• to forbid the router from sending EIGRP packets

3. Refer to the exhibit. Routers R1 and R2 are direct connected via their serial interfaces and are both running the EIGRP routing protocol. R1 and R2 can ping the direct connected series interface of their neighbor, but they cannot course an EIGRP neighbor adjacency. What action should be taken to solve this trouble?

• Configure EIGRP to send periodic updates.
• Enable the serial interfaces of both routers.
• Configure the aforementioned hello interval between the routers.
• Configure both routers with the same EIGRP autonomous arrangement number.*

iv. Fill in the bare. Exercise non use abbreviations.

The _____________ command causes an EIGRP router to stop sending hello packets through an interface.

Right Answer: passive-interface*

v. Refer to the showroom. Later on the configuration shown is practical on router R1, the exhibited status message is displayed. Router R1 is unable to class a neighbor human relationship with R2 on the serial 0/one/0 interface. What is the most likely cause of this problem?

• The network statement used for EIGRP 55 does not enable EIGRP on interface series 0/1/0.
• The hi interval has been altered on series 0/1/0 and is preventing a neighbor human relationship from forming.
• The IPv4 accost configured on the neighbour that is continued to R1 serial 0/1/0 is incorrect.*
• The networks that are configured on series 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.

vi. By default, how many equal-cost routes to the same destination network volition EIGRP install in the routing table?

• 2
• 4*
• 6
• 8

7. Open the PT Activity. Perform the tasks in the activeness instructions and and so reply the question. R1 and R2 could non establish an EIGRP adjacency. What is the problem?

• EIGRP is down on R2.
• R1 Fa0/0 link local address is wrong.
• EIGRP is downwardly on R1.*
• R1 Fa0/0 is not configured to send hello packets.
• R1 Fa0/0 and R2 Fa0/0 are on different networks.

8. Refer to the showroom. All networks are active in the same EIGRP routing domain. When the auto-summary command is issued on R3, which two summary networks volition be calculated on R3? (Choose two.)

• 172.16.0.0/sixteen*
• 172.16.3.0/24
• 192.168.ane.0/30
• 192.168.10.0/30
• 192.168.x.0/24*

9. Which iii statements are advantages of using automatic summarization? (Choose three.)

• It maximizes the number of routes in the routing table.
• Information technology decreases the number of entries in the routing table.*
• It reduces the frequency of routing updates.*
• Information technology ensures that traffic for multiple subnets uses one path through the internetwork.*
• It improves reachability in discontiguous networks.
• It increases the size of routing updates.

ten. Refer to the exhibit. Which two conclusions tin be drawn from the exhibited configuration? (Choose ii.)

• The configuration supports unequal-cost load balancing.*
• The configuration supports equal-toll load balancing.
• Any EIGRP-learned road with a metric less than 3 times the successor metric will be installed in the local routing table.*
• Whatsoever EIGRP-learned road with a metric equal to iii times the successor metric will be installed in the local routing table.
• The network statements require subnet masks to forbid autosummarization.

xi. What is the administrative distance of externally learned EIGRP routes?

• 170*
• 120
• 110
• 90

12. Which routing protocol supports unequal-cost load balancing on Cisco routers?

• OSPF
• IS-IS
• RIPv2
• EIGRP*

xiii. Refer to the exhibit. Which ii routes will exist advertised to the router Isp if autosummarization is disabled? (Choose two.)

• x.ane.two.0/24*
• 10.1.0.0/16
• 10.1.four.0/28
• 10.1.4.0/30*
• 10.one.iv.0/24

14. Which two steps must be taken in lodge to send a default route to other EIGRP routers? (Choose 2.)

• Configure a loopback address.
• Configure a default route.*
• Configure a router ID.
• Ensure automated summarization is disabled.
• Redistribute the default route.*

fifteen. Refer to the exhibit. Remote users are experiencing connectivity problems when attempting to accomplish hosts in the 172.21.100.0 /24 network. Using the output in the exhibit, what is the most probable crusade of the connectivity trouble?

• The hello timer has been modified on interface GigabitEthernet 0/1 of R3 and not on the neighbor, causing a neighbor
  adjacency non to form.
• The GigabitEthernet interfaces are not limiting the flow of EIGRP message data and are being flooded with EIGRP traffic.
• The passive-interface command is preventing neighbor relationships on interface GigabitEthernet 0/0.
• The GigabitEthernet 0/i interface is not participating in the EIGRP process.*

16. Refer to the exhibit. An administrator wants EIGRP on Router1 to load rest traffic to network 2001:db8:xi:10::/64 across ii interfaces. Currently traffic is using only interface GigabitEthernet0/i. A 2nd route, not in the routing table, is available with a metric of 264000. What value is needed in the variance command to make EIGRP put the second route into the routing table?

• four
• 10
• 1
• xi*

17. Refer to the exhibit. Because 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 equally passive for EIGRP*
• because in that location is no network command for the network 192.168.1.0/24 on R1
• considering the IPv4 address on Fa0/0 interface of R1 is wrong
• because the automatic summarization is enabled on R1

xviii. When a Cisco router is configured with fast-switching, how are packets distributed over equal-cost paths?

• on a per-packet basis
• on a per-interface basis
• on a per-path-load basis
• on a per-destination basis*

19. What is the default maximum corporeality of bandwidth that can exist used for exchanging EIGRP letters on an EIGRP-configured interface?

• 50%*
• 10%
• 100%
• 75%

20. Fill in the blank. Exercise not utilize abbreviations.

The command to propagate the default road from the router Border to the residue of the EIGRP domain is Border(config-router)# _________

Correct Answer: redistribute static*

21. Refer to the showroom. Which statement is supported by the output?

• A default road is being learned through an external process.*
• The route to 192.168.ane.i represents the configuration of a loopback interface.
• A static default route has been manually configured on this router.
• Summarization of routes has been manually configured.

22. Which control tin exist issued on a router to verify that automatic summarization is enabled?

• show ip protocols*
• show ip eigrp neighbors
• show ip eigrp interfaces
• show ip interface brief

23. Assuming that EIGRP is enabled on both routers and automatic summarization is enabled, what must be configured to ensure that R1 volition be able to reach the 2.2.2.0/24 network?

• Use the control ip accost-summary to ensure that R1 recognizes the 2.2.2.0 network.
• Use the command no auto-summary to disable automatic summarization.*
• EIGRP does not support VLSM and therefore cannot be used with discontiguous networks.
• EIGRP supports VLSM and will automatically recognize the 2.two.ii.0 network.

24. Two routers, R1 and R2, share a 64 kb/due south link. An ambassador wants to limit the bandwidth used past EIGRP between these two routers to 48 kb/south. Which command is used on both routers to configure the new bandwidth setting?

• ip bandwidth-percent eigrp 64 48
• ip bandwidth-percent eigrp 75 100
• ip bandwidth-percent eigrp 100 75*
• ip bandwidth-percent eigrp 100 48
• ip bandwidth-percent eigrp 100 64

25. Refer to the exhibit. Router R3 is receiving multiple routes through the EIGRP routing protocol. Which statement is truthful about the implementation of summarization in this network?

• Automatic summarization has been enabled but 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.

26.Which protocol is used by EIGRP to transport hello packets?

• TP
• UDP
• RTP*
• IP

27. When an EIGRP-enabled router uses a countersign to accept routes from other EIGRP-enabled routers, which mechanism is used?

• bounded updates
• partial updates
• EIGRP authentication*
• Diffusing Update Algorithm
• Reliable Transport Protocol

28. What is the purpose of using protocol-dependent modules in EIGRP?

• to describe different routing processes
• to identify different application layer protocols
• to use different transport protocols for dissimilar packets
• to conform routing of different network layer protocols*

29. If all router Ethernet interfaces in an EIGRP network are configured with the default EIGRP timers, how long will a router expect by default to receive an EIGRP parcel from its neighbor before declaring the neighbor unreachable?

• x seconds
• 15 seconds*
• xx seconds
• 30 seconds

thirty. Which statement describes a characteristic of the delivery of EIGRP update packets?

• EIGRP uses UDP to send all update packets.
• EIGRP sends all update packets via unicast.
• EIGRP sends all update packets via multicast.
• EIGRP uses a reliable delivery protocol to send all update packets.*

31. Which destination MAC accost is used when a multicast EIGRP packet is encapsulated into an Ethernet frame?

• 01-00-5E-00-00-09
• 01-00-5E-00-00-ten
• 01-00-5E-00-00-0A*
• 01-00-5E-00-00-0B

32. Why would a network administrator apply a wildcard mask in the network command when configuring a router to utilize EIGRP?

• to lower the router overhead
• to send a manual summarization
• to exclude some interfaces from the EIGRP procedure*
• to subnet at the time of the configuration

33. Refer to the exhibit. Which command should be used to configure EIGRP to just advertise the network that is attached to the gigabit Ethernet 0/1 interface? network 172.sixteen.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.sixteen.23.0 255.255.255.128

34. Which EIGRP route would have the preferred authoritative distance?

• a summary route*
• an internal route
• an external road that is redistributed from RIP
• an external road that is redistributed from OSPF

35. Where are EIGRP successor routes stored?

• only in the routing table
• only in the neighbor table
• in the routing table and the topology table*
• in the routing table and the neighbor tabular array

36. Which table is used by EIGRP to store all routes that are learned from EIGRP neighbors?

• the routing tabular array
• the neighbour table
• the topology table*
• the adjacency tabular array

37. How exercise EIGRP routers establish and maintain neighbor relationships?

• by exchanging neighbor tables with directly attached routers
• by comparing known routes to information received in updates
• past exchanging hello packets with neighboring routers*
• by dynamically learning new routes from neighbors
• by exchanging routing tables with direct fastened routers

38. Which command or commands must exist 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*

39. Which control is used to display the bandwidth of an interface on an EIGRP-enabled router?

• show ip road
• bear witness interfaces*
• show ip protocols
• show ip interface cursory

twoscore. A new network administrator has been asked to verify the metrics that are used past EIGRP on a Cisco device. Which two EIGRP metrics are measured by using static values on a Cisco device? (Choose 2.)

• bandwidth *
• load
• reliability
• delay*
• MTU

41. Which iii metric weights are prepare to zero past default when costs in EIGRP are being calculated? (Choose three.)

• k1
• k2*
• k3
• k4 *
• k5*
• k6

42. Refer to the exhibit. R2 has ii possible paths to the 192.168.10.4 network. What would make the alternate route come across the feasibility condition? a reported distance less than 3523840*

• a reported distance greater than 41024000
• a feasible altitude greater than 41024000
• an authoritative altitude less than 170

43. 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 must be confirmed by neighboring routers before information technology is put in the active state.
• The road is a viable successor and will be used if the agile route fails.
• At that place is no activity on the route to that network.
• The route is viable and can be used to forward traffic.*

44. Refer to the exhibit. Which two networks contain feasible successors? (Choose two.) 192.168.71.0*

• 192.168.51.0
• 10.44.100.252*
• x.44.104.253
• 10.44.101.252

45. Fill in the blank.
In an EIGRP topology tabular array, a route that is in a/an agile state will cause the Diffusing Update Algorithm to ship EIGRP queries that ask other routers for a path to this network.

46. Which 2 EIGRP packet types are sent with unreliable delivery? (Choose two.)

• update
• query
• hi*
• reply
• acknowledgment*

47. What is identified within the opcode of an EIGRP packet header?

• the EIGRP message type that is existence sent or received from a neighbour*
• the EIGRP autonomous arrangement metrics
• the EIGRP hold timer agreed upon with a neighbour
• the EIGRP sum of delays from source to destination

48. An administrator issues the router eigrp 100 control on a router. What is the number 100 used for?

• as the autonomous organisation number *
• equally the number of neighbors supported by this router
• 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

49. What data does EIGRP maintain within the routing table?

• both successors and viable successors
• only feasible successors
• adjacent neighbors
• all routes known to the router
• just successors*

fifty. 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?

• 2340608
• 2169856
• 10512128
• 2816*

51. What is the multicast accost used past an EIGRP-enabled router operating with IPv6?

• FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF
• FF02::A*
• FF02::B
• FF02::i

52. Which configuration is necessary to ensure successful operation of EIGRP for IPv6?

• The eigrp router-id command requires an IPv6 accost within the router configuration style.​
• The network command is required within the router configuration mode.​
• The no shutdown control is required within the router configuration style.​*
• The router eigrp democratic-organization command is required within the router configuration way.

53. Make full in the Blank. Employ the abbreviation.

EIGRP uses theRTP protocol to deliver EIGRP packets to neighbors.​

54. Order the precedence in which an EIGRP router would cull the router ID. (Not all options are used.)

Identify the options in the following guild:
showtime-> eigrp router-id command
– not scored –
tertiary -> highest IPv4 address on agile physical interfaces
2d -> highest IPv4 address on loopback interfaces

55. xxx. Match the correct version of EIGRP with the EIGRP features. (Non all options are used.)

Place the options in the post-obit social club:
– not scored –
EIGRP for IPv4 simply -> source address for EIGRP letters is a routable address
both EIGRP for IPv4 and EIGRP for IPv6 -> uses a 32-scrap router ID
EIGRP for IPv6 only -> source address for EIGRP messages is a link-local address

56.Launch PT – Hibernate and Salvage PT

Open up the PT Action. Perform the tasks in the activity instructions and and then respond the question.
Which lawmaking is displayed on the web server?

• Done
• Consummate*
• EIGRP
• IPv6EIGRP

57. 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
• 2169856
• 2340608
• 2816*

58. Which two EIGRP package types are sent with reliable commitment? (Choose two.)

• update query
• hello*
• acknowledgment*
• reply

More Resources

• CCNA Examination Answers Cisco Learning Network
• CCNA Ofttimes Asked Questions
• CCNA Exam Questions with Explanation
• CCNA Cyber Ops FAQ

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