Community QuestionSeen on 8 CBTsRe-created in 5 study sets this year

DNS - Domain Name System

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Answer

Hypertext Transfer Protocol - tcp/80 Communication in the browser And by other applications In the clear or encrypted - HTTPS - tcp/443 Supported by nearly all web servers and clients

3 of 8 indexed CBT versions give this answer·Answer index rebuilt Aug 16, 2026

The indexed versions don't agree on this one

This question appears on 8 CBT versions we've indexed, and they don't all give the same answer. Exam editions change and answer keys get re-cut, so more than one of these was correct on the test it came from. Here is each of them, and how many versions give it.

3 of 8 versionsmost versions

Hypertext Transfer Protocol - tcp/80 Communication in the browser And by other applications In the clear or encrypted - HTTPS - tcp/443 Supported by nearly all web servers and clients

Comptia A+ Course Notes · Comptia A+ Notes · Comptia Notes

1 of 8 version

This industry standard name resolution system provides name to IP address mapping services on the Internet and large intranets. is a hierarchical, distributed database.

Comptia Certmaster Practice For Network+

1 of 8 version

Converts names to IP addresses - udp/53 www.professormesser.com = 162.159.246.164 These are very critical resources Usually multiple DNS servers are in production

Dr Messer Comptia

1 of 8 version

A Microsoft developed protocol used to provide shared access to files printers and other network resources. It runs on port 445.

Mike Meyers Comptia Videos

1 of 8 version

converts names to IP addresses

Professor Messer Network Plus

1 of 8 version

53

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