642-775 試験問題を無料オンラインアクセス

Which command displays all interfaces that are configured In OSPF on Cisco IOS XR Software?

• A.show ip ospf adj
• B.show interface ospf
• C.show ospf interface
• D.show ospf database

Refer to the exhibit.

Data that is destined for 1.1.1.17 is being dropped by this router, though it is in the BGP table. Why are theses packets being dropped?

• A.The AS edge router toward the destination set the next hop to itself
• B.The classful address .0.0.0 has no static route to NULL entry in the IP routing table
• C.Synchronization is disabled
• D.The next-hop address is not reachable by this router

Without using route reflectors or confederations, an AS with 20 routers will require how many IBGP peerings?

• A.190
• B.20
• C.45
• D.200
• E.400

What is the default OSPF hello interval when configured on a point-to-point interface in cisco IOS software?

• A.10 seconds
• B.15 seconds
• C.3 seconds
• D.30 seconds

Refer to the exhibit. Which commands append a prefix of 3.3.3.3/32 to prefix-set "test"?

• A.Prefix-set test 1.1.1.1/32,2.2.2.2/32,3.3.3.3/32 End-set
• B.Prefix-set test Append 3.3.3.3/32 End-set
• C.Prefix-set test 3.3.3.3/32 End-test