Which of the following does not include the key features of WAF (Web Application Firewall)?

• A.Anti-theft chain
• B.Anti-Webshell Upload
• C.Anti-SQL injection
• D.Prevent excessive traffic

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When using IPSec VPN communication, encryption and decryption tests are performed on both ends of the firewalls.

• A.True
• B.False

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VPC itself does not charge fees, but users need to purchase according to the charging standards when using bandwidth or VPN.

• A.TRUE
• B.FALSE

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GPU desktops can be used for CAD-aided design.

• A.False
• B.True

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What is the full name of ECS?

• A.Elastic File Service
• B.Elastic Scaling Service
• C.Object Storage Service
• D.Elastic Cloud Server

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