Which of the following descriptions about the 0SPF area is correct ()*

• A.All networks should be declared in zone 0
• B.Before configuring the OSPF area, you must configure an IP address for the loopback interface of the router
• C.The number range of the area is from 0.0.0.0 to 255.255.255.255
• D.The number of the backbone area cannot be 2

Comment: *

Name: *

Email: *

Verification: *

Which of the following commands can be used to check the session status of the PPPoE client?
()

• A.display pppoe-client sessi on packet
• B.display pppoe-client session summary
• C.display current configuration
• D.display ip interface brief

Comment: *

Name: *

Email: *

Verification: *

The following is the statement about the election of active ports in link aggregation LACP mode.
the correct one is? ()

• A.Only compare interface numbers
• B.Only compare interface priority
• C.The interface priority is compared first, and the better one cannot be judged to continue to compare the interface number, the smaller the better.
• D.Compare device priority

Comment: *

Name: *

Email: *

Verification: *

The network administrator hopes to be able to effectively use the P address of the
192.168.176.0/25 network segment. Now that the company's marketing department has 20 hosts, which of the following address segments is best allocated to the marketing department? ()

• A.192.168.176.160/27
• B.192.168.176.0/25
• C.192.168.176.48/29
• D.192.168.176.96/27

Comment: *

Name: *

Email: *

Verification: *

Which of the following OSCan PF protocol packets ensure the reliability of LSA update? ()

• A.LSACK
• B.LSR
• C.DD
• D.LSU

Comment: *

Name: *

Email: *

Verification: *