How does an IGMP router maintain group memberships on a network? (Select 2 answers)
A. The router periodically sends Query messages. After a receiver host receives the Query message, the receiver host sends a Report message.
B. A receiver host periodically sends a Report message.
C. The router deletes a group membership only when it receives a Leave message for this group.
D. The router maintains a timer for each group membership which it refreshes for hosts that send report messages and deletes the group membership of hosts that do not.
正解:A,D
質問 2:
An ACL is a series of orderly rules composed of permit deny clauses. Which of the following attributes cannot be used for defining an ACL rule?
A. AS-Path
B. Source address
C. Destination address
D. Port number
正解:A
質問 3:
The default-route originate command in the RIP protocol advertises a default RIP route to the peers. When using this command, which of the following attributes can be set for the default route?
A. Cost
B. Interface
C. Nexthop
D. Tag
正解:A
質問 4:
Which of the following routing protocols support import-route? (Select 3 answers)
A. OSPF
B. RIP
C. BGP
D. Static
正解:A,B,C
質問 5:
Which of the following statements is false?
[RTA]display ospf peer OSPF Process 1 with Router ID 1.1.1.1 Neighbors Area 0.0.0.0 interface 10.1.1.1(Ethernet0/0)'s neighbor(s) RouterlD: 2.2.2.2 Address: 10.1.1.2 State: Full Mode: Nbr is Master Priority: 1 DR: 10.1.1.1 BDR: 10.1.1.2 Dead timer expires in 35s Neighbor has been up for 04:35:02
A. The OSPF Router ID of the neighbor is 2.2.2.2.
B. The local router acts as slave.
C. The OSPF Router ID of the neighbor is larger and thus the neighbor acts as a DR.
D. The OSPF Router ID of the local router is 1.1.1.1.
正解:C
質問 6:
Only Router-LSAs and Network-LSAs are involved in intra-area route calculations.
A. TRUE
B. FALSE
正解:A
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Kawade -
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