BGP4+ carries the next hop address of the IPv6 route through the Next Hop attribute in the Update packet. (Moved into Attribute 14)

• A.False
• B.True

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The description of the MPLS forwarding mechanism is correct

• A.ifTunnel IDvalue is0x0test entryMPLSForwarding process
• B.ifTumel IDvalue is not0x0,into the normalIPForwarding process
• C.The system automatically allocates aI. also known asTunnel ID
• D.whenIPmessage entryMRLSdomain, the first thing to look at isFIBsurface

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When there are multiple redundant links in the IS-S network, multiple equal-cost routes may appear.
Regarding equal-cost routes in an IS-IS network, which of the following descriptions is wrong?

• A.For each route in the equal-cost route, the priority can be specified, and the route with the higher priority will be preferred. The rest are used as backup routes
• B.After the equal-cost routing priority is configured, when the IS-IS device forwards the traffic that reaches the destination network segment, it will not adopt the load sharing method, but will forward the traffic to the next-hop with the highest priority.
• C.When the number of equal-cost routes in the networking is greater than the number configured through commands, and the priorities of these routes are the same, the route with the higher System ID of the next hop device is preferred for load sharing
• D.If negative arbitration sharing is configured, the traffic will be evenly distributed to each link

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What is the most efficient way to view device alarms through the CLI?

• A.display clock
• B.display alarm
• C.display current-configuration
• D.display interface brief

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The OSPF protocol runs between CE and PE, when CE1 advertises the route of the site to CE2. Which of the following description is wrong?

• A.When PE2 receives the same Domain ID as the local BGP route sent by PE1, PE2 will generate Type3 LSA for Type1 LSA and Type2 LSA
• B.When PE2 receives the same Domain ID as the local BGP route sent by PE1, for Type3 LSA, PE2 will generate Type5 LSA
• C.When PE2 receives a BGP route from PE1 that carries a different Domain ID from the local one, it is correct for all LSAs, and PE2 will generate Type5 LSA or Type7 LSA
• D.The Domain ID configured by PE1 can be used as an extended community attribute of BGP and sent along with the route to PE2.

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