Which of the following is the wrong description about the establishment of the BFD session?

• A.BFD sessions can only be established dynamically
• B.Statically configuring a BFD session refers to manually configuring BFD session parameters through the command line, including local identifiers and remote identifiers, etc.
• C.The system distinguishes between static BFD sessions and dynamic BFD sessions by dividing the identifier area.
• D.When dynamically establishing a BFD session, the local identifier is dynamically allocated

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Cross-device link aggregation enables reliable transmission of data traffic and mutual backup of stack member switches. However, due to the limited bandwidth of stack cables between stack devices, which of the following methods can be used to improve forwarding efficiency? (Single Choice)

• A.Enabling the Stacked Multi-Master Checking Function
• B.Configuring the MAC Address Switching of the Stacking System
• C.Connect stacking devices via stacking cards
• D.Enable local preferential forwarding of traffic

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The following description about BGP loop protection is correct: (multiple choice)

• A.Through AS-PATH attribute, discarding any updates received from EBGP peers that contain their own AS number in the AS-PATH attribute
• B.Any updates from IBGP peers. Routing information from peers will be advertised to other IBGP peers
• C.Non-RR BGP The router will not advertise anything from the IBGP Updates from peers to other IBGsP peer
• D.A BGP router will not announce any updates from EBGP peers to its EBGP peers.

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In OSPFv3, what is the LSA whose flooding range is the entire autonomous system?

• A.Link-LSA
• B.Inter-Area-Prefix-LSA
• C.Intra-Area -Prefix-LSA
• D.AS-external -LSA

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Which of the following operations can achieve fast fault detection on a multicast network? (Multiple Choice)

• A.Reduce send Join/Prime interval for rune messages
• B.Shorten Join/PHoldtime of rune messages
• C.Establish PI between neighborsM BFD session
• D.lower interface sendTime interval for Hello messages

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