Port Numbers - Practice Test

Question 1

Which port is commonly used for HTTP traffic?

A. Port 53
B. Port 80
C. Port 110
D. Port 443

Answer 1

B. Port 80

Question 2

What is the standard port for HTTPS?

A. Port 21
B. Port 25
C. Port 443
D. Port 8080

Answer 2

C. Port 443

Question 3

Which port is used for POP3 email retrieval?

A. Port 25
B. Port 110
C. Port 143
D. Port 995

Answer 3

B. Port 110

Question 4

What is the port number for IMAP?

A. Port 25
B. Port 143
C. Port 587
D. Port 993

Answer 4

B. Port 143

Question 5

Which port is associated with the SMTP protocol?

A. Port 25
B. Port 110
C. Port 143
D. Port 587

Answer 5

A. Port 25

Question 6

What is the port number for DNS?

A. Port 53
B. Port 67
C. Port 80
D. Port 161

Answer 6

A. Port 53

Question 7

Which port is commonly used for FTP data transfer?

A. Port 20
B. Port 21
C. Port 23
D. Port 69

Answer 7

A. Port 20 (data transfer)

Question 8

What is the port number for FTP control?

A. Port 20
B. Port 21
C. Port 22
D. Port 23

Answer 8

B. Port 21 (connection control)

Question 9

Which port is associated with Telnet?

A. Port 22
B. Port 23
C. Port 25
D. Port 80

Answer 9

B. Port 23 (Michael Jordan - TEL-it to the-NET)

Question 10

What is the standard port for SNMP?

A. Port 69
B. Port 161
C. Port 162
D. Port 445

Answer 10

B. Port 161

Question 11

What is the port number for SSH?

A. Port 20
B. Port 22
C. Port 23
D. Port 25

Answer 11

B. Port 22 - SS flipped looks like 22

Question 12

What is the port number for RDP (Remote Desktop Protocol)?

A. Port 3389
B. Port 5353
C. Port 5900
D. Port 8080

Answer 12

A. Port 3389

Question 13

What is the port number for LDAP (Lightweight Directory Access Protocol)?

A. Port 25
B. Port 389
C. Port 636
D. Port 8080

Answer 13

B. Port 389

Question 14

Which port is commonly used for DNS zone transfers?

A. Port 53
B. Port 67
C. Port 80
D. Port 161

Answer 14

A. Port 53

Question 15

What is the port number for POP3S (Secure POP3)?

A. Port 110
B. Port 143
C. Port 995
D. Port 587

Answer 15

C. Port 995

Question 16

Which port is commonly used for HTTP proxy?

A. Port 8080
B. Port 3128
C. Port 80
D. Port 443

Answer 16

A. Port 8080

• Easy to remember because Port 80 is HTTP and Port 8080 is HTTP proxy…

Question 17

What is the standard port for TFTP (Trivial File Transfer Protocol)?

A. Port 20
B. Port 21
C. Port 69
D. Port 161

Answer 17

C. Port 69

Question 18

What is the port number for DHCP (Dynamic Host Configuration Protocol)?

A. Port 53
B. Port 67
C. Port 68
D. Port 69

Answer 18

B. Port 67

Question 19

Which port is commonly used for FTPS (Secure FTP)?

A. Port 20
B. Port 21
C. Port 22
D. Port 990

Answer 19

D. Port 990

Question 20

What is the port number for NTP (Network Time Protocol)?

A. Port 25
B. Port 123
C. Port 161
D. Port 8080

Answer 20

B. Port 123

Question 21

Which port is commonly used for RDP (Remote Desktop Protocol)?

A. Port 3389
B. Port 5353
C. Port 5900
D. Port 8080

Answer 21

A. Port 3389