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質問 99
Digital signature is to generate a digital fingerprint by using a hash algorithm to ensure the integrity of data transmission
- A. True
- B. False
正解: A
質問 100
Under normal circumstances, the email protocols we often talk about include _____, POP3, SMTP
- A. IMAP
正解: A
質問 101
Regarding the source of electronic evidence, which of the following descriptions is wrong?
- A. Movies and TV series are electronic evidence related to network technology.
- B. Database operation records and operating system logs are electronic evidence related to computers
- C. The operating system logs, e-mail, and chat records can all be used as the source of electronic evidence.
- D. Fax information and mobile phone recordings are electronic evidence related to communication technology.
正解: A
質問 102
Which of the following options are malicious programs? (Multiple Choices)
- A. Trojan Horse
- B. Viruses
- C. Vulnerabilities
- D. Worms
正解: A,B,D
質問 103
When the firewall hard disk is on the throne, which of the following statement about the firewall log is correct?
- A. Administrators know the user's behavior, the keyword of the exploitation, and the effectiveness of the audit policy configuration through user activity logs.
- B. Administrators can understand the user's security risk behavior and the cause of the alarm or blocking reason via threat logs.
- C. Administrators can use the security policy in which traffic hits in the policy, for fault location when there is a problem.
- D. Administrators can announce the content log to view the detection and defense record of network threats
正解: C
質問 104
In the process of establishing IPSec VPN between the peers FW_A and FW_B, two types of security associations need to be established in two stages. In the first stage, establish ____ to verify the identity of the peers.
- A. IKE SA
正解: A
質問 105
The administrator wants to clear the current session table.
Which of the following commands is correct?
- A. display firewall session table
- B. clear firewall session table
- C. reset firewall session table
- D. display session table
正解: C
質問 106
_______ is a defect in the specific implementation of hardware, software, and protocol or system security strategy, which can enable an attacker to access or destroy the system without authorization.
- A. Vulnerabilities
正解: A
質問 107
Equipment sabotage attacks are generally not easy to cause information leakage, but usually cause the interruption of network communication services.
- A. True
- B. False
正解: A
質問 108
The administrator connects to the firewall through the G 1/0/0 interface (the interface has been added to the Trust Zone). If the administrator is allowed to log in to the firewall through G1/0/0 for configuration management, how to configure the direction of traffic released in the security policy?
- A. Release the traffic from Local Zone to Local Zone
- B. Release the traffic from Trust Zone to Trust Zone
- C. Release the traffic from Trust Zone to Local Zone
- D. Release the traffic from Trust Zone to Untrust Zone
正解: C
質問 109
Which of the following is not a symmetrical encryption algorithm?
- A. AES
- B. 3DES
- C. RSA
- D. DES
正解: C
質問 110
The digital certificate uses a third-party organization to impartiality to the public key, thereby ensuring the non-repudiation of data transmission. Therefore, only the certificate of the communicating party is required to confirm the correctness of the public key.
- A. True
- B. False
正解: B
質問 111
Which attack below is not a malformated packet attack?
- A. TCP shard attack
- B. ICMP unreachable message attack
- C. Smurf attack
- D. TEARDROP attack
正解: B
質問 112
Regarding the business continuity plan, which of the following statements is correct? (Multiple choice)
- A. All possible accidents are thought not to be predicted, so BCP needs to be flexible
- B. Not all safety incidents must be reported to the company's senior management
- C. The business continuity plan does not require the participation of the company's senior management during the project scope stage
- D. The business continuity plan does not require the participation of the company's senior management before it is formally documented
正解: A,B,D
質問 113
Regarding the business continuity plan, which of the following statements is correct? (Multiple choice)
- A. Because it cannot predict all possible accidents, BCP needs to be flexible
- B. Not all safety incidents must be reported to the company's senior management
- C. The business continuity plan does not require the participation of the company's senior management during the project scope stage
- D. The business continuity plan does not require the participation of the company's senior management before it is formally documented
正解: A,B,D
質問 114
Intrusion Prevention System (IPS) is a defense system that can block intrusions in real time
- A. True
- B. False
正解: A
質問 115
Regarding the matching conditions of the security policy, which of the following options are correct? (Multiple Choice)
- A. "Application" in the matching condition is an optional parameter
- B. "Service" in the matching condition is an optional parameter
- C. The "source security zone" in the matching condition is an optional parameter
- D. "Time period" in the matching condition is an optional parameter
正解: A,B,C,D
質問 116
Regarding the firewall security policy, which of the following is correct?
- A. By default, the security policy only controls unicast packets
- B. By default, the security policy can control multicast
- C. By default, the security policy can control unicast packets, broadcast packets and multicast packets
- D. By default, the security policy can control unicast packets and broadcast packets
正解: A
質問 117
Which of the following options belong to the technical characteristics of the intrusion prevention system? (Multiple choices)
- A. Online mode
- B. Self-learning and self-adaptation
- C. Straight route deployment
- D. Real-time blocking
正解: A,B,D
質問 118
Which of the following options does not belong to the log type of the windows operating system?
- A. Security log
- B. System log
- C. Business log
- D. Application log
正解: C
質問 119
Which of the following is not a key technology of anti-virus software?
- A. Shelling technology
- B. Real-time update virus database
- C. Format the disk
- D. Self-protection
正解: C
質問 120
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