Regarding the definition of WIPS/WIDS, which of the following statements is correct?

• A.WIPS Wireless intrusion detection system
• B.WIPS Is a wireless intrusion prevention system
• C.WIDS Is a wireless intrusion countermeasure system
• D.WIDS Is a wireless intrusion prevention system

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Accordingto the different user name format and content used by the access device to verify user identity, the user name format used for MAC authentication can be changed.
There are three types. Which of the following formats is not included?

• A.Fixed username form
• B.MAC Address format
• C.DHCP Option format
• D.ARP Option format

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Which of the following options is not a challenge brought by mobile office?

• A.The mobile office platform is safe and reliable and goes online quickly.
• B.Network gateway deployment
• C.Unified terminal management and fine control.
• D.Users can access the networksafely and quickly.

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Which of the following options is right PKI The sequence description of the work process is correct?
1. PKI Entity direction CA ask CA Certificate. .
2. PKI Entity received CA After the certificate, install CA Certificate.
3. CA receive PKI Entity CA When requesting a certificate, add your own CA Certificate reply to PKI entity.
4. PKI Entity direction CA Send a certificate registration request message.
5. PKI When the entities communicate with each other, they need to obtain and install the local certificate of the opposite entity.
6. PKI Entity received CA The certificate information sent.
7. PKI After the entity installs the localcertificate of the opposite entity,Verify the validity of the local certificate of the peer entity. When the certificate is valid,PC The public key of the certificate is used for encrypted communication between entities.
8. CA receive PKI The entity's certificate registration request message.

• A.1-3-2-4-8-6-5-7
• B.1-3-5-4-2-6-7-8
• C.1-3-5-6-7-4-8-2
• D.1-3-2-7-6-4-5-8

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When a guest needs to access the network through an account, which of the following methods can be used to access? (Multiple choice)

• A.No authentication, no account required
• B.Create new account
• C.Use existing socialmedia accounts
• D.Scan public QR code

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