1. What is the default HTTP port number?
a. TCP 80
b. TCP 443
c. TCP 23
d. UDP 22
e. UDP 123
2. What is the default HTTPS port number?
a. TCP 80
b. TCP 443
c. TCP 23
d. UDP 22
e. UDP 123
3. Even though the same port number can be used in both TCP and UDP, the services they identify can be completely different (true or false).
a. True
b. False
4. Which of the following are the most commonly used e-mail protocols (choose three)?
a. HTTP
b. POP3
c. SMTP
d. FTP
e. UDP
f. IMAP
5. Which of the following ports are used by FTP (choose all that apply)?
a. TCP 80
b. TCP 443
c. TCP 21
d. UDP 22
e. TCP 20
6. Which of the following protocols are related to VoiP traffic (choose two)?
a. POP3
b. FTP
c. SIP
d. Telnet
e. RTP
7. Domain Name System (DNS) is a protocol that translates IP addresses into MAC addresses (true or false).
a. True
b. False
8. Which of the following DNS records represent IPv4 addresses?
a. MX
b. AAAA
c. A
d. PTR
9. The Dynamic Host Configuration Protocol (DHCP) is a network protocol used by hosts to automatically obtain an IP address and other parameters (true or false).
a. True
b. False
10. Which of the following remote access protocols is recommended for use in production environments due to its enhanced security features?
a. FTP
b. Telnet
c. SIP
d. SSH