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NEW QUESTION 13
Certificates saved in DER format may or may not contain a private key.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 14
The trigger authentication method for firewall access user authentication does not include which of the following? ( )[Multiple choice]*
- A. MPLS VPN
- B. L2TP VPN
- C. IPSec VPN
- D. SSL VPN
Answer: A
NEW QUESTION 15
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]*
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 16
Which of the following descriptions about the main implementation of single sign-on is wrong? ( )[Multiple choice]*
- A. Query the syslog server mode
- B. Firewall monitors AD authentication packets
- C. Accept PC message mode
- D. Query the AD server security log mode
Answer: A
NEW QUESTION 17
As shown, in transmission mode, which of the following locations should the AH header be inserted in?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 18
The shard cache technology will wait for the arrival of the first shard packet, and then reassemble and decrypt all the packets, and then do subsequent processing by the device to ensure that the session can proceed normally in some application scenarios.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 19
As shown in the figure, what is the authentication range of the AH protocol in tunnel mode?
- A. The4
- B. The2
- C. The3
- D. The1
Answer: A
NEW QUESTION 20
Which of the following is not an encryption algorithm in a VPN?
- A. AES
- B. DES
- C. The RIP
- D. 3DES
Answer: C
NEW QUESTION 21
IP packets using the AH+ESP protocol? ( )[Multiple choice]*
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 22
DES is a stream encryption algorithm, because the cipher capacity is only 56 bits, so it is not enough to deal with the weakness of insufficient security, and later 3DES was proposed.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 23
What is correct about the following description of device management in the operating system?
- A. In order to alleviate the problem of speed mismatch between CPU and I/O devices and improve the parallelism of CPU and I/O devices, in modern operating systems, almost all I/O devices are exchanging numbers with processors
- B. The main task of port device management is to complete the I/O requests made by users and classify I/O devices for users.
- C. Device management can virtualize a physical device into multiple logical devices through virtualization technology, providing multiple user processes to use.
- D. Whenever a process makes an I/O request to the system, as long as it is secure, the device allocator will assign the device to the process according to a certain policy.
Answer: A,B,C,D
Explanation:
Buffers are used at all times.
NEW QUESTION 24
Drag the phases of the cybersecurity emergency response on the left into the box on the right, and arrange them from top to bottom in the order of execution. 1. Inhibition stage, 2. recovery phase, 3. Detection stage, 4. eradication phase[fill in the blank]*
- A. 0
- B. 1
Answer: A
NEW QUESTION 25
The following description of the AH protocol in IPSec VPN, which one is wrong?
- A. Support anti-message replay
- B. Supports packet encryption
- C. Supports data source validation
- D. Supports data integrity checking
Answer: B
NEW QUESTION 26
Which of the following descriptions about the heartbeat interface is wrong ( )?[Multiple choice]*
- A. The connection method of the heartbeat interface can be directly connected, or it can be connected through a switch or router
- B. MGMT interface (Gigabi tEtherneto/0/0) cannot be used as heartbeat interface
- C. The interface MTU value is greater than 1500 and cannot be used as a heartbeat interface
- D. It is recommended to configure at least two heartbeat interfaces. - One heartbeat interface is used as the master, and the other heartbeat interface is used as the backup.
Answer: C
NEW QUESTION 27
Among the various aspects of the risk assessment of IS027001, which of the following does not belong to the system design and release process?
- A. System integration and information security management system document preparation
- B. Determine risk disposal measures and implement rectification plans
- C. Determine risk tolerance and risk appetite
- D. Hold a summary meeting of the project in the information security management stage
Answer: D
NEW QUESTION 28
Please classify the following security defenses into the correct classification.
Answer:
Explanation:
NEW QUESTION 29
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