A. public key information isCA's public key

B. The certificate subject name isCA

C. Issuer isCA

D. signature isCAgenerated by public key encryption

A. 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.

B. The interface MTU value is greater than 1500 and cannot be used as a heartbeat interface

C. The connection method of the heartbeat interface can be directly connected, or it can be connected through a switch or router

D. MGMT interface (Gigabi tEtherneto/0/0) cannot be used as heartbeat interface

A. After an IP spoofing attack is successful, the attacker can use any forged IP address to imitate a legitimate host to access key information

B. The attacker needs to disguise the source IP address as a trusted host and send a data segment marked with SYN to request a connection

C. IP spoofing attacks are launched by using the normal IP address-based trust relationship between hosts

D. Hosts in a trust relationship based on IP addresses can log in directly without entering password verification

A. Emergency Response

B. Disaster recovery

C. The training of enterprise employees' safety awareness

D. Safe operation

A. Evaluate the members of the emergency response organization

B. Judging the effectiveness of isolation measures

C. Evaluate the implementation of emergency plans and propose follow-up improvement plans

D. Establish a defense system and specify control measures