QUESTION: 109

A Local Area Network Denial (LAND) attacker sends a SYN packet in which the source and destination addresses are the same as the target host’s address and the source port is the same as the destination port. While the receiver waits for the final ACK packet from the sender, the connection is in half-connected mode, which wastes limited TCP resources at the receive end.

TRUE
FALSE

Answer(s): B

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QUESTION: 110

Which of the following is not included in a digital certificate?

Digital envelope
Issuer
Public key information
Digital signature

Answer(s): A

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QUESTION: 111

Which of the following are single-packet attacks?

Malformed packet attacks
Special control packet attacks
Scanning and snooping attacks
DDoS attacks

Answer(s): A

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QUESTION: 112

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?

Configure static ARP binding entries
Configure IPSG
Configure DAI
Limit the maximum number of DCHP snooping binding entries that can be learned on an interface.

Answer(s): D

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Free H12-261 Exam Braindumps (page: 28)

QUESTION: 109

QUESTION: 110

QUESTION: 111

QUESTION: 112