Which of the following statements regarding different LSA types is false?

• A.LS Request packets contain only LS Type, LS ID, and Advertising Router.
• B.DD packets contain only LSA summary information, including LS Type, LS ID, Advertising Router, and LS Sequence Number.
• C.LS Ack packets contain complete LSA information.
• D.LS Update packets contain complete LSA information.

Comment: *

Name: *

Email: *

Verification: *

A monitoring plane usually comprises the monitoring units of main control boards and interface boards. This plane can monitor the system environment independently. Which of the following environment monitoring functions can be provided by the monitoring plane?

• A.Fan control
• B.Voltage monitoring
• C.Temperature monitoring
• D.System power-on and power-off control

Comment: *

Name: *

Email: *

Verification: *

Which of the following statements regarding the stateful inspection firewall is true?

• A.The stateful inspection firewall needs to match the rules for each incoming packet.
• B.The stateful inspection firewall only needs to match the first data packet against a rule, and the subsequent packets of the connection are matched directly in the state table.
• C.Because UDP is a connectionless protocol, so the stateful inspection firewall cannot match UDP packets with the status table.
• D.When the stateful inspection firewall checks packets, packets of one same connection are not correlated.

Comment: *

Name: *

Email: *

Verification: *

Compared with STP, RSTP defines the different port states. Which of the following statements regarding discarding and learning states are true?

• A.The port in discarding or learning state does not learn MAC addresses
• B.The port In learning stole docs not learn MAC addresses table.
• C.The port in discarding state does not learn MAC addresses table.
• D.The port In discarding or learning state does not forward data frames.

Comment: *

Name: *

Email: *

Verification: *

Which of the following routing protocols support the default route through command configuration?

• A.OSPF
• B.ICMP
• C.IS-IS
• D.BGP

Comment: *

Name: *

Email: *

Verification: *