Port isolation technology deployed in Ethernet can realize Layer 2 interoperability and Layer 3 isolation, making networking more flexible.

• A.FALSE
• B.TRUE

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Which of the following options uses an alternate channel to enable communication between IPV6 addresses?

• A.DualStack
• B.6to4
• C.ISATAP
• D.NAT64

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As shown in the figure, a company wants to achieve secure mutual access between the head office and branches through MPLSVPN, and at the same time requires that the IPN traffic of the branch bank must be forwarded through the head office to achieve traffic monitoring

• A.An MP-IBGP peer relationship is established between Spoke-PE and THE VPN routing information is exchanged.
• B.Between Hub-CE and Hub-PE, and between Spoke-PE and Plan-CE, routing information can be exchanged using the OSPF protocol
• C.VPN routing information can be exchanged between CE and PE using BGP messages
• D.When Hub-CE passes routing information with Hub-PE, you need to configure a route on Hub-PE that allows receiving AS numbers to be repeated 1 time to receive routes published by Hub-CE

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What's wrong about vrrp timers is?

• A.MASTER DOWN = (3*ADVER_ INTERVAL) + Skew_ time
• B.By default, the time period for VRRP advertisement messages is 2 seconds
• C.By default, the VRRP preemption delay is I seconds
• D.Skew Time= (255-Priority)/255

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BGP EVPN advertises external routes, which of the following routes?

• A.Type2
• B.Type4
• C.Type3
• D.Type1
• E.Type5

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