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H12-711_V3.0 Exam Dumps - HCIA-Security V3.0

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Question # 33

aboutIKE SA, which of the following descriptions is false?

IKE SAis bidirectional

IKEis based onUDPapplication layer protocol

IKE SAit's forIPSec SAServices

The encryption algorithm used by user data packets isIKE SADecide

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Question # 34

Which of the following information is encrypted during the use of digital envelopes? (multiple choice)

Symmetric key

User data

Receiver's public key

Receiver's private key

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Question # 35

Which of the following options are malicious programs? (multiple choice)

Trojan horse

Vulnerability

worm

Virus

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Question # 36

againstIPspoofing attack (IP Spoofing), which of the following is an error?

IPSpoofing attacks are based onIPaddress trust relationship to initiate

IPAfter a successful spoofing attack, the attacker can use forged arbitraryIPThe address impersonates a legitimate host to access key information

The attacker needs to put the sourceIPlandaddress masquerading as a trusted host and sendSYNmarkNote the data segment request connection

based onIPThe hosts in the trust relationship of the addresses can log in directly without entering password authentication.

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Question # 37

When dual-system hot backup is deployed on the firewall,VRRPWhich of the following protocols should be used to switch the overall status of a backup group?

VRRP

VGMP

HRP

OSPF

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Question # 38

Digital envelope technology means that the sender uses the receiver's public key to encrypt the data, and then sends the ciphertext to the receiver ( )[Multiple choice]*

TRUE

FALSE

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Question # 39

Drag the warning level of the network security emergency response on the left into the box on the right, and arrange it from top to bottom in order of severity.[fill in the blank]*