Exam 220-1201 Topic 1 Question 143 Discussion

Actual exam question for CompTIA's 220-1201 exam
Question #: 143
Topic #: 1
Which of the following ports should a technician disable to increase the security of remote connectivity?

Suggested Answer: B Vote an answer

Port 23 is used by Telnet, an unencrypted remote connection protocol that poses significant security risks. Disabling Telnet and using secure alternatives like SSH (port 22) is best practice.
From CompTIA A+ 220-1101 Official Study Guide, Objective 2.1 - Common ports and protocols:
"Port 23 (Telnet) provides unencrypted remote access and should be disabled to increase security. Use SSH (port 22) for secure remote connections." Verified Source:
CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 2: Ports and Protocols CompTIA Exam Objectives 220-1101, Domain 2.1

by Kerwin at Apr 27, 2026, 03:27 PM

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