ICMPv6 has two types: Error Messages and Information Messages.

• A.FALSE
• B.TRUE

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The command to configure VRRP preemption delay is:

• A.vrrp vrid 1 preempt-mode timer delay 20
• B.vrrp twist 1 hour delay 20
• C.vrrp vrid 1 preempt-timer 20
• D.vrrp vrid 1 preempt-delay 20

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Regarding BGP reliable routing updates, which of the following description of is ture?

• A.BGP uses multicast updates
• B.BGP sends complete routing table information every time a route is updated
• C.BGP works on top of UDP, and the transport layer protocol is 179
• D.BGP does not need to periodically advertise routing information

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By default in VRP, when the route-policy of BGP is changed, manual operations are required to resend the update message to the neighbor.

• A.TRUE
• B.FALSE

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Which of the following values can be set for the security level of the customized security zone of the USG series firewall? (Multiple choice)

• A.80
• B.40
• C.100
• D.150

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