On a WLAN, the HSB service sets up an HSB channel between two devices that back up each other, maintains the channel status, and backs up data.
Which of the following can HSB back up in real time?

• A.CAPWAP tunnel information
• B.DHCP address information
• C.AP entries
• D.User data information

Comment: *

Name: *

Email: *

Verification: *

Which of the following is the default interval at which the DIS on a broadcast IS_IS network sends CSNPs.

• A.30
• B.3.3
• C.10
• D.40

Comment: *

Name: *

Email: *

Verification: *

BGP confederations are widely used because they can reduce the number of IBGP connections in an AS.
Which of the following statements is false about confederations?

• A.The ASs outside a confederation still consider the confederation as one AS.
• B.After a confederation is configured, the original IBGP attributes can be retained.
• C.After a confederation is configured, the original AS number is used as the confederation ID of each router.
• D.A confederation divides an AS into several sub-ASs, and EBGP full-mesh connections are established in each sub-AS.

Comment: *

Name: *

Email: *

Verification: *

BFD for OSPF is deployed on a directly connected link. If the physical link is disconnected, drag the following BFD processes to the corresponding sequence numbers.

Comment: *

Name: *

Email: *

Verification: *

The networking shown in the figure, SWA, SWB, SWC and SWD run RSTP, which of the following statements is correct? (Multiple choice)

• A.The edge port can be enabled on the GE0/0/2 port of the SWB, so that the interface connected to the terminal can quickly enter the forwarding state
• B.After being configured as an edge port, the interface can quickly enter the forwarding state
• C.After the edge port receives the BPDU, it will re-participate in the calculation of the spanning tree
• D.The edge port can be enabled on the GE0/0/2 port of the SWC, so that the interface connected to the terminal can quickly enter the forwarding state

Comment: *

Name: *

Email: *

Verification: *