單項(xiàng)選擇題Which show command will display only the Type 5 LSAs in the OSPF topology database?()

A. show ip ospf database external
B. show ip ospf database nssa - external
C. show ip route ospf
D. show ip ospf datab ase summary
E. show ip route


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1.單項(xiàng)選擇題

Refer to the diagram. Which OSPF configuration command is required to configure Area 3 a s atotally stubby area?()

A. On the ABR router ospf 10 area 3 stub
B. On all Area 3 routers router ospf 10 area 3 stub
C. On all Area 3 routers router ospf 10 area 3 stub no - summary
D. On the ABR router ospf 10 area 3 nssa
E. On the ABR rou ter ospf 10 area 3 stub no - summary

2.單項(xiàng)選擇題

The Dev - 1 and Dev -3 routers are OSPF neighbors over the Ethernet 0/0 connection. Based on the show ip ospf neighbor output from the Dev - 1 and Dev - 3 routers, which statement is true?()

A. Dev - 1 is the DR because it has a lower OSPF router ID
B. Dev - 3 is the DR because it has a higher OSPF router priority
C. Both Dev - 1 and Dev - 3 are using the def ault OSPF router priority
D. Dev - 3 is the DR because it has a lower OSPF router ID
E. Dev - 1 is the DR because it has a higher OSPF router priority

3.單項(xiàng)選擇題

During a recent OSPF election among three routers, RTA was elected the DR and RTB was elected the BDR, as seen in the graphic. Assume that RTA fails, and that RTB takes the place of
the DR whi le RTC becomes the new BDR. What will happen when RTA comes back online?()

A. A new election will take place establishing an all new DR and BDR based on configured priority levels and MAC addresses.
B. RTA will take the place of DR immediately upon esta blishing its adjacencies.
C. RTA will take the place of DR only if RTB fails.
D. RTA will take the place of DR only if both RTB and RTC fail.

4.單項(xiàng)選擇題Which command displays the number of times that the OSPF Shortest Path First (SPF) algorithm has been executed?()

A. show ip protocol
B. show ip ospf
C. sho w ip ospf database
D. show ip ospf interface

5.單項(xiàng)選擇題

Refer to the output. What IOS command produces this output?()

A. show i p ospf
B. show ip ospf interface
C. show ipv6 ospf interface
D. show ipv6 ospf

6.多項(xiàng)選擇題

Into which two types of areas would an area border router (ABR) inject a default route?()

A. stub
B. the autonomous system of an exte rior gateway protocol (EGP)
C. NSSA
D. totally stubby
E. the autonomous system of a different interior gateway protocol (IGP)
F. area 0

8.多項(xiàng)選擇題

While troubleshooting an EIGRP routing problem you notice that one of the routers have generated a large number of SIA messages.
What are two possible causes for EIGRP Stuck - In -Active routes?()

A. Some quer y or reply packets are lost between the routers.
B. The neighboring router starts receiving route updates from this router.
C. A failure causes traffic on a link between two neighboring routers to flow in only one direction(unidirectional link).
D. Th e neighboring router stops receiving ACK packets from this router.

9.單項(xiàng)選擇題

EIGRP performs automatic summarization at network boundaries.
What administrative distance is given to these EIGRP summary routes?()

A.1
B.90
C.95
D.0
E.5
F.170
G.255
H.None of the other alternatives apply

10.多項(xiàng)選擇題

Routers R1 and R2 are EIGRP neighbors. R1 has been configured with the eigrp stub connected command.
Which of the following is true as a result?()

A.R1 can learn EIGRP routes from R2, but R2 cannot learn EIGRP routes from R1
B.R1 can send IP packets to R2, but R2 cannot send IP packets to R1
C.R2 no longer learns EIGRP routes from R1 for routes not connected to R1
D.R1 no longer replies to R2's Query messages
E.R2n o longer sends to R1 Query messages

最新試題

Which of the following  answers lists a multicast IPv6 address?()

題型:?jiǎn)雾?xiàng)選擇題

Router R1 has been conf igured with an ipv6 route 2000::/64 S0/0/0 64 command.Which of the following does the 64 at the end of the command represent?()

題型:?jiǎn)雾?xiàng)選擇題

The answers each list a tunnel method and two consecutive IPv6 address quartets.Which answers identify a tunneling method that relies on an IPv4 address to be embedded into an IPv6 address, within the correct quartets listed?()

題型:多項(xiàng)選擇題

The following output occurs on Router R1 , which runs both EIGRP for IPv6 and OSPFv3, with redistribution from EIGRP into OSPF configured with the redistribute eigrp 1 metric 25 command. Interface S0/0/1 has been enabled for EIGRP ASN 1. Which of the following should be true of redistribution in  this case?()D 2000::/64 [90/1422516]via FE80::213:19FF:FE7B:5026, Serial0/0/1C 2000:0:0:1::/64 [0/0]via Serial0/0/1, directly connectedL 2000::1:213:19FF:FE7B:5004/128 [0/0]via Serial0/0/1, receive

題型:?jiǎn)雾?xiàng)選擇題

The following configuration exists on a router on one end of an IPv6 tunnel. Although the configuration added so far is correct, the configuration is incomplete. Which type of tunnel is most likely to be intended by the network engineer?()interface loopback 1ip address 192.168.1.1 255.255.255.255interface tunnel 2ipv6 address 2002:C0A8:10 1::1/64tunnel source loopback 1

題型:?jiǎn)雾?xiàng)選擇題

An Enterprise rou ter, Ent1, displays the following excerpt from the show ip bgp command. ENT1 has an eBGP connection to an ISP router with address 3.3.3.3 and an iBGP connection to a router with address 4.4.4.4. Which of the following is most likely to be true?()Network  Next Hop Metric LocPrf Weight Path*> 3.3.3.3 0 0 1 1 1 1 218 i

題型:?jiǎn)雾?xiàng)選擇題

Router R1 sits  at an Enterprise branch office, using both the Internet and a leased line to another Enterprise router for its two connectivity options back into the rest of the Enterprise network. The engineer planning for this branch decided to use the leased line for all Enterprise traffic, unless it fails, in which case the Internet connection should be used to pass traffic to the Enterprise.Which of the following is most likely to be useful on the branch router?()

題型:多項(xiàng)選擇題

The following configura tion exists on a router on one end of an IPv6 tunnel. Which type of tunnel is created by this configuration?()interface loopback 1ip address 1.1.1.1 255.255.255.255interface tunnel 2ipv6 address 2000::1::/64tunnel source loopback 1tunnel destina tion 2.2.2.2tunnel mode ipv6ipipv6 eigrp 1

題型:?jiǎn)雾?xiàng)選擇題

Router R1 sits at an Enterprise branch office, using the Internet for its only connectivity back to the rest of the EnterprisE.Which of the following is not a ben efit of using an IPsec tunnel for packets sent through the Internet, between R1 and the rest of the Enterprise?()

題型:?jiǎn)雾?xiàng)選擇題

Router R1 has two LAN interfaces and three serial interfaces enabled for IPv6. All the inte rfaces use link local addresses automatically generated by the router.Which of the following could be the link local address of R1's interface S0/0?()

題型:?jiǎn)雾?xiàng)選擇題