CISSP-ISSAP: Information Systems Security Architecture Professional

By ISC · Question Mode

QuestionQ13

VerifiedInfrastructure and System Security

You are a Network Administrator for NetTech Inc. You can access the site when you enter http://66.111.64.227 in a browser’s address bar, but you cannot access it when you enter http://www.company.com. What is the most likely cause?

Explanation

DNS maps host names to IP addresses. Because the site is accessible directly through its IP address, the web server is reachable; failure only when using www.company.com indicates that the hostname lacks an available DNS entry that resolves it to the server address.

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