cyber security and element set 15

Que.Which of the following is the port number for SSH (Secure Shell)?
a. 20
b. 21
c. 22
d. 23
Que.Which of the following is the port number for Telnet?
a. 20
b. 21
c. 22
d. 23
Que.Which of the following is the port number for SMTP service?
a. 29
b. 27
c. 25
d. 23
Que.Which of the following are the port numbers for IPSec service?
a. 50, 51
b. 49, 50
c. 51, 52
d. 23, 24
Que.Which of the following are the port numbers for DHCP?
a. 66, 67
b. 67, 68
c. 65, 66
d. 68, 69
Que.Which of the following is the port number for TFTP service?
a. 69
b. 70
c. 71
d. 72
Que.Port 80 handles unencrypted web traffic.
a. True
b. False
c. May be True or False
d. Can’t say
Que.Why it is important to know which service is using which port number?
a. For database security
b. For reporting data security to the auditor
c. For understanding which data is going through secured traffic and which is not
d. For checking unused data traffic
Que.Which of the following is the port number for SFTP service?
a. 21
b. 22
c. 23
d. 69
Que.Which of the following is the port number for HTTP?
a. 79
b. 80
c. 81
d. 82