Which of the following options belong to the certification field of ISO27001? (Multiple choice)

The IDS is usually installed on the switch to detect intrusion, and at the same time, it can avoid the single point of failure affecting the normal operation of the network.

If the administrator uses the defaultdefaultThe authentication domain verifies the user, and the user only needs to enter the user name when logging in; if the administrator uses the newly created authentication domain to authenticate the user, the user needs to enter the user name when logging in."username@Certified domain name"

Which of the following does not belong toLINUXoperating system?

Which of the following SSLVPN functions can and can only access all TCP resources?