Assume that the interval of the VRRP advertisement message is set to 2 seconds, the preemption mode is on, and the Delay Time is set to 3 seconds. The Master Down Interval is:
A. 2 seconds
B. 4 seconds
C. 6 seconds
D. 9 seconds
Which module in the figure below is an SFP optical interface connector?
A.
B.
C.
D.
What parts of the general network address are composed? (multiple choice)
A. Logical address
B. Link address
C. Network address
D. Host address
Which of the following options can be used to display the current running status and configuration information of RIP?
A. show #rip
B. show rip
C. display rip
D. display this rip
Which of the following is true about ping and Tracert? (multiple choice)
A. Both ping and tracert use ICMP packets.
B. Both ping and tracert can detect link connectivity
C. Both ping and tracert can test the path through which the target node is reached.
D. The packets sent by ping and tracert are the same.
Tracert records the () of each ICMP TTL timeout message, so that the user can provide the IP address through which the message arrived at the destination.
A. Destination port
B. Source port
C. Source IP address
D. Destination IP address
The parameter blackhole in the static route configuration command indicates?
A. Unreachable routing
B. Black hole routing
C. Routing loop
D. Route iteration
Which of the following are the message types of the LMI protocol? (multiple choice)
A. Link Integrity Verification Only message
B. Full Status message
C. Status Enquiry message
D. Asynchronous PVC Asynchronous Status (Single PVC Asynchronous Status) message
E. Status message
In the OSPF network, for the benefit of dividing the area, the following description is incorrect ()?
A. Reduce the size of the LSDB
B. Reduce the complexity of running the SPF algorithm
C. Reduce entries for intra-area routes
D. Conducive to routing for aggregation
In the PPP protocol, the second handshake authentication protocol is required. Which of the following is the password in plain text?
A. PAP
B. CHAP
C. MD5
D. TCP
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