NEW QUESTION 1

Which of the following DDoS attack types is an attack?

• A. snooping scan attack
• B. Malformed Packet Attack
• C. special packet attack
• D. traffic attack

Answer: D

NEW QUESTION 2

Which of the following attacks is not a malformed packet attack?

• A. Teardropattack
• B. Smurfattack
• C. TCPFragmentation attack
• D. ICMPUnreachable Packet Attack

Answer: D

NEW QUESTION 3

Which of the following is not a common application scenario of digital certificates? ( )[Multiple choice]*

• A. FTP
• B. HTTPS
• C. IPSEC VPN
• D. SSL VPN

Answer: A

NEW QUESTION 4

Please sort the following digital envelope encryption and decryption process correctly.

• A. uses B's public key to encrypt the symmetric key to generate a digital envelope
• B. After receiving the encrypted information from A, B uses its own private key to open the digital envelope to obtain the symmetric key.
• C. uses a symmetric key to encrypt the plaintext to generate ciphertext information.
• D. B uses the symmetric key to decrypt the ciphertext information to obtain the original plaintext.
• E. A sends the digital envelope and cipher text information to B

Answer: ABCDE

NEW QUESTION 5

Intrusion Prevention System (IPS,intrusion prevention system) is a defense system that can block in real time when an intrusion is detected

• A. True
• B. False

Answer: A

NEW QUESTION 6

During the use of the server, there are various security threats. Which of the following options is not a server security threat?

• A. natural disaster
• B. DDosattack
• C. hacker attack
• D. malicious program

Answer: A

NEW QUESTION 7

When a network security incident occurs, investigate the intrusion behavior, virus or Trojan horse, and repair and strengthen the host. Which of the above actions belong to the work content of the network security emergency response?

• A. Recovery phase
• B. Detection stage
• C. Eradication stage
• D. Inhibition stage

Answer: D

NEW QUESTION 8

The firewall is divided according to the protection object,windowsfirewall belongs to— ?

• A. Software Firewall
• B. hardware firewall
• C. Stand-alone firewall
• D. Internet Firewall

Answer: C

NEW QUESTION 9

Which of the following options belong to the default security zone of Huawei Firewall? (multiple choice)

• A. Zonearea
• B. Trustarea
• C. Untrustarea
• D. Securityarea

Answer: BC

NEW QUESTION 10

Which of the following NAT technologies can implement a public network address to provide source address translation for multiple private network addresses?

• A. NAT Server
• B. Easy-ip
• C. NAT No-PAT
• D. NAPT

Answer: ABCD

NEW QUESTION 11

The attacker sends a SYN message with the same source address and destination address, or the source address is the loopback address to the target host (the source port and destination port are the same, causing the attacker to send a SYN-AKY message to its own address) What kind of attack is this behavior black? ()[Multiple choice]*

• A. Smurf attack
• B. SYN Flood Attack
• C. TCP Spoofing Attack
• D. Land attack

Answer: D

NEW QUESTION 12

Which of the following is an encryption technique used in digital envelopes?

• A. Symmetric encryption algorithm
• B. Asymmetric encryption algorithm
• C. hash algorithm
• D. Stream Encryption Algorithm

Answer: AB

NEW QUESTION 13

Man-in-the-middle attacks are data security threats.

• A. True
• B. False

Answer: A

NEW QUESTION 14

Ways to use a computer to store information about criminal activity that is not a computer crime

• A. True
• B. False

Answer: B

NEW QUESTION 15

existUSGConfiguration on the series firewallNAT Server, will produceserver-mapTable, which of the following is not part of this representation?

• A. PurposeIP
• B. destination port number
• C. agreement number
• D. sourceIP

Answer: D

NEW QUESTION 16

On the surface, threats such as viruses, loopholes, and Trojan horses are the causes of information security incidents, but at the root, information security incidents are also closely related to people and the information system itself.

• A. True
• B. False

Answer: A

NEW QUESTION 17

A company's employee account has expired, but the account can still be used to access the company's server. Which security risks do the above scenarios belong to? (multiple choice)

• A. Manage security risks
• B. access security risk
• C. system security risk
• D. physical security risk

Answer: ABC

NEW QUESTION 18
......