In order to use the ping program to test the communication status between elastic cloud servers, Which of the following protocols need to be added to the security group?

• A.HTTP
• B.HTTPS
• C.ICMP
• D.TCP

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Which of the following may be the reasons why you cannot log in to the windows virtual machine through mstsc?

• A.No binding elastic ip
• B.The corresponding port is not released in the security group
• C.The remote setting check does not allow connection to the computer
• D.DNS address is incorrectly configured

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Description of peer-to-peer connection, Which of the following is wrong?

• A.Two VPCs in the same area can communicate with each other through a peer-to-peer connection
• B.Two VPCs in different regions can establish intercommunication through a peer-to-peer connection
• C.In the same district, you can create a peering connection between your own vPc, or you can create a peering connection between your own VPC and the VCs of other tenants.
• D.Up to 5 can be created in a region0Peer-to-peer connection

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Users can use()Create an encrypted file system.

• A.password
• B.Key provided by the key management service
• C.Password
• D.Own key material

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After the elastic cloud server is successfully created, Once the bandwidth used is determined, Will not be able to modify.

• A.True
• B.mistake

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