Use on the terminal Portal The authentication is connected to the network, but you cannot jump to the authentication page. The possible reason does not include which of the following options?

• A. CS Did not start
• B. Access device Portal The authentication port number of the template configuration is 50100 ,Agile Controlle-Campus The above is the default.
• C. When the page is customized, the preset template is used.
• D. Agile Controller-Campus Configured on Portal The authentication parameters are inconsistent with the access control device.

In the following options, which of the two attacks use similar attack methods, they will generate a large number of useless response packets, occupying network bandwidth, Consume equipment resources?

• A. Teardrop and Land35
• B. Fraggle and Smurt
• C. Land and Smurf
• D. Fraggle and Land
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Regarding firewall and IDS, which of the following statements is correct?

• A. IDS cannot be linked with firewall
• B. IDS is a straight line equipment and cannot be used for in-depth inspection
• C. The firewall is a bypass device, used for fine-grained detection
• D. The firewall cannot detect malicious operations or misoperations by insiders

The results of the RBL black and white list query on the firewall are as follows:

Based on the above information only, which of the following statements is correct? (multiple choice)

• A. Mail with source address 10.17.1.0/24 will be blocked
• B. Mail with source address 10.17.1.0/24 will be released
• C. Mail with source address 10.18.1.0/24 will be blocked
• D. Mail with source address 10.18.1.0/24 will be released

Regarding the policy for checking account security, which of the following descriptions are correct? (Multiple choice)

• A. You can check whether there is a weak password.
• B. You can check whether the account has joined a specific group.
• C. It cannot be repaired automatically._
• D. It is not possible to check whether the password length meets the requirements.