CompTIA 220-801 A+ TCP Ports Multiple Choice
TCP/UDP ports listed on the 220-801 exam objectives.
Questions and Answers
- 1.
Which TCP port is used by IMAP.
- A.
443
- B.
43
- C.
143
- D.
53
Correct Answer
C. 143Explanation
Internet Message Access Protocol uses TCP port 143 for email retrieval.Rate this question:
-
- 2.
Which TCP port is used by POP3?
- A.
25
- B.
143
- C.
3389
- D.
110
Correct Answer
D. 110Explanation
Post Office Protocol 3 uses TCP 110 for e-mail retrieval.Rate this question:
-
- 3.
Which TCP port is used by HTTPS?
- A.
3389
- B.
80
- C.
123
- D.
443
Correct Answer
D. 443Explanation
Hypertext Transfer Protocol over TLS/SSL used TCP port 443.Rate this question:
-
- 4.
Which TCP port is used by FTP control?
- A.
25
- B.
21
- C.
23
- D.
20
Correct Answer
B. 21Explanation
File Transfer Protocol control uses TCP port 21.Rate this question:
-
- 5.
Which TCP port is used for TELNET?
- A.
443
- B.
23
- C.
143
- D.
3389
Correct Answer
B. 23Explanation
TELNET uses TCP port 23 for unencrypted text communications.Rate this question:
-
- 6.
Which TCP port is used by RDP?
- A.
3389
- B.
53
- C.
443
- D.
143
Correct Answer
A. 3389Explanation
Remote Desktop Protocol uses TCP port 3389 for remote connections to other computers.Rate this question:
-
- 7.
Which TCP/UDP port is used by DNS?
- A.
143
- B.
43
- C.
53
- D.
52
Correct Answer
C. 53Explanation
Domain Name System uses TCP port 53 for transfers and UDP port 53 for queries.Rate this question:
-
- 8.
Which TCP port is used by regular HTTP?
- A.
40
- B.
53
- C.
443
- D.
80
Correct Answer
D. 80Explanation
Hypertext Transfer Protocol uses TCP port 80 to exchange or transfer hypertext (webpages).Rate this question:
-
- 9.
Which TCP port is used by SMTP?
- A.
110
- B.
143
- C.
25
- D.
23
Correct Answer
C. 25Explanation
Simple Mail Transfer Protocol uses TCP port 25 to send e-mail.
SMTP can also use TCP port 587 to send e-mail but isn't listed on the 801 objectives.Rate this question:
-
- 10.
Which TCP port is used by FTP Data Transfers?
- A.
20
- B.
53
- C.
21
- D.
143
Correct Answer
A. 20Explanation
File Transfer Protocol uses TCP port 20 for data transfers.Rate this question:
-
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
-
Current Version
-
Jan 18, 2023Quiz Edited by
ProProfs Editorial Team -
Jul 16, 2014Quiz Created by
Jamesenlow
Back to top