Which of the following is wrong about HTTPS?

• A.HTTPS secures access to data by using SSL VPN.
• B.HTTPS protocol uses TCP port 443 by default.
• C.When using HTTPS to access a website, if the user's browser does not recognize the digital certificate of the website, the website cannot be accessed.
• D.If the HTTPS traffic contains a virus, the router cannot directly detect the virus using IPS technology.

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Which of the following description about the process of sending and receiving data frames in the Access mode of the switch interface is correct?

• A.In the Access mode, the VLAN tag of the data frame will be stripped off when sent.
• B.Directly discard when receiving a tagged data frame in Access mode.
• C.When the data frame enters the switch interface, the switch learns the destination MAC address in the data frame.
• D.Only receive unlabeled data frames in Access mode

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Through the following displayed command, you can determine that switch loop fault is caused by ().

• A.
• B.
• C.
• D.

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What are the common methods of learning routes in BGP? (Multiple Choice)

• A.Receive neighbor routing information
• B.Introducing BGP routes of other AS
• C.Introducing static route
• D.Introducing direct route

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Use WRED to avoid congestion. Which of the following scenarios is better for deploying WRED?

• A.The main is TCP traffic in the network.
• B.The main is UDP traffic in the network.
• C.WRED randomly drops packets, the effect is not related to the scene.
• D.Deploy on a serial link.
• E.Deploy on low bandwidth links.

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