DNS - True Statement | CCIE Security Exam 400-251 | Cisco

DNS - True Statement

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Which statement about DNS is true?

A. The client-server architecture is based on push-pull messages.

B. Query and response messages have different format.

C. In the DNS message header, the QR flag set to 1 indicates a query.

D. In the DNS header, an Opcode value of 2 represents a server status request.

E. In the DNS header, the Rcode value is set to 0 for format error.

Click on the arrows to vote for the correct answer

A. B. C. D. E.

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