Which packet is sent by the DHCPv6 client in response to the Advertise packet sent by the DHCPv6 server?

• A.Request
• B.Reply
• C.Offer
• D.Advertise

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Two routers establish an IPsec tunnel, which of the following does not need to be the same on both peering devices?

• A.Authentication algorithm.
• B.Transform mode.
• C.Encapsulation mode.
• D.Proposal name.

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Network administrators use Ping to test network connectivity. Which of the following protocols might be used in the process? (Multiple Choice)

• A.ARP
• B.TCP
• C.UDP
• D.ICMP

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The administrator wishes to change name of the router.
Under which view should the administrator be in order to achieve this?

• A.System-view.
• B.User-view.
• C.Interface-view
• D.Protocol-view

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Which descriptions are correct about DD packets and LSA in OSPF? (Multiple Choice)

• A.LSA head is only a small part of the LSA
• B.DD packet contains LSA details
• C.The DD packet contains only the header information of the LSA.
• D.The head of the LSA can uniquely identify an LSA.

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