NO.80 Which of the following VPNs cannot be used in site-to-Site scenarios?

NO.81 Which of the following is not a stand-alone anti-virus technology?

NO.82 Which of the following is not included in the Business Impact Analysis (BIA)?

NO.83 The key used by DES encryption is bits, while the key used by 3DES encryption is bits.

NO.84 Which of the following is the encryption technology used in the digital envelope?

NO.85 Social engineering is a means of harm such as deception, harm, etc., through psychological traps such as psychological weaknesses, instinctive reactions, curiosity, trust, and greed of victims.

NO.86 After a network intrusion event occurs, according to the plan to obtain the identity of the intrusion, the source of the attack and other information, and block the intrusion behavior, which links in the PDRR network security model do the above actions belong to? (Multiple choice)

NO.87 The matching principle of the security policy is: first search for the manually configured interzone security policy, and if no match is found, the data packet will be discarded directly.

NO.88 HRP(Huawei Redundancy Protocol) protocol, which is used to synchronize data such as key configuration and connection status of the firewall to the standby firewall, which of the following options does not belong to the scope of synchronization?

NO.89 When the company’s network administrator is performing dual-system hot backup, due to the possibility of inconsistent round-trip paths, if he wants to enable the session fast backup function, the command that needs to be entered is ______[fill in the blank]*

NO.90 Which of the following is an encryption technique used in digital envelopes?

NO.91 Intrusion Prevention System (IPS,intrusion prevention system) is a defense system that can block in real time when an intrusion is detected

NO.92 Regarding the description of the GRE VPN tunnel configuration, which of the following options are correct?

NO.93 About intrusion prevention systems (IPS), which of the following is false?

NO.94 We should choose the encryption algorithm according to our own use characteristics. When we need to encrypt a large amount of data, it is recommended to use the ____ encryption algorithm to improve the encryption and decryption speed.[fill in the blank]*

NO.95 Which items are the encryption techniques used by digital envelopes? (Multiple Choice)

NO.96 Regarding the source of electronic evidence, which of the following descriptions is wrong?

NO.97 Which of the following statements about OSPF is correct?

NO.98 Which of the following angles should be considered in the information security stage to consider the security of information?