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


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1.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

2.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

4.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.

5.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

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