The LS Sequence Number field is used to detect expired and duplicate LSAs. This field is a signed 32-bit integer and therefore the minimum LS Sequence Number is 0x800000000.

• A.TRUE
• B.FALSE

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The following description of the fragmentation is correct for ISIS LSP?

• A.The maximum number of fragments that can be generated by the ISIS 1024 router is .
• B.The fragmentation expansion of ISIS Hello is valid for the package.
• C.The ISIS 1000's sharding exhibition is an extension of the imaginary system, which can be expanded into a virtual system.
• D.Enable the router to generate more fragments to carry more ISIS LSP ISIS with information.

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Which of the following are single-packet attacks?

• A.Special control packet attacks
• B.DDoS attacks
• C.Scanning and snooping attacks
• D.Malformed packet attacks

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Each DD packet has a DD sequence number for packet acknowledgment. A DD sequence number is two-bytes long.

• A.TRUE
• B.FALSE

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A bookstore provides a wired network for customers to learn online. However, some users are suddenly unable to access the network. After troubleshooting, it is found that all the IP addresses in the DHCP address pool have been used up. Which of the following is the best way to solve the problem?

• A.Configure DAI
• B.Limit the maximum number of DHCP snooping binding entries that can be learned on an interface.
• C.Configure IPSG
• D.Configure static ARP binding entries

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