Ports & Its Types Questions and Answers

This set of Cyber Security Multiple Choice Questions & Answers (MCQs) focuses on “Ports and Its Types – 1”.

1. There are ______ major types of ports in computers.
a) 1
b) 2
c) 3
d) 4
View Answer

Answer: b
Explanation: There are 2 major types of ports in computer systems. These are physical ports and logical ports.

2. PS2 and DVI are examples of Logical ports.
a) True
b) False
View Answer

Answer: b
Explanation: PS2 and DVI are examples of physical ports. Physical ports can be touched and seen with our naked eyes.

3. Physical ports are usually referred to as ___________
a) jacks
b) cables
c) interfaces
d) hardware plugs
View Answer

Answer: c
Explanation: Physical ports are connections that connect two systems for their interactions. LAN, PS2 and DVI are examples of physical ports.

4. ____________ are logical numbers assigned for logical connections.
a) Logical ports
b) Physical ports
c) Networking cables
d) IP address
View Answer

Answer: a
Explanation: Logical ports are end-point to a logical connection. The numbers are pre-assigned by IANA (Internet Assigned Numbers Authority) which ranges from 0 – 65536.

5. Number of logical ports ranges from _____ to _____
a) 0, 255
b) 1, 65535
c) 1, 65536
d) 0, 65536
View Answer

Answer: d
Explanation: The numbers are pre-assigned by IANA (Internet Assigned Numbers Authority) which ranges from 0 – 65536. All the used protocols are assigned with a unique port number.

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6. Logical ports are also known as ________________
a) numbered ports
b) virtual numbering
c) virtual ports
d) network protocol ports
View Answer

Answer: c
Explanation: Logical ports are also known as virtual ports which are part of TCP/IP networking. The numbers of ports are pre-assigned by IANA (Internet Assigned Numbers Authority) which ranges from 0 – 65536.

7. Virtual ports help software in sharing without interference all hardware resources.
a) True
b) False
View Answer

Answer: a
Explanation: Virtual ports also known as logical ports helps different applications in sharing without the interference of all hardware resources. The network traffic is automatically managed by routers using these ports.

8. ________ needs some control for data flow on each and every logical port.
a) Antivirus
b) Network firewall
c) Intrusion Detection Systems (IDS)
d) Anti-malware
View Answer

Answer: b
Explanation: For security reason, there is some additional control provided by the network firewall over data traffic going through each logical ports.

9. The logical port is associated with the type of protocol used along with the IP address of the host.
a) True
b) False
View Answer

Answer: a
Explanation: During a communication, the logical port is ass associated with the type of protocol used along with the IP address of the host. The numbers logical ports are pre-assigned by IANA (Internet Assigned Numbers Authority) which ranges from 0 – 65536.

10. Which of the following is the port number for FTP data?
a) 20
b) 21
c) 22
d) 23
View Answer

Answer: a
Explanation: Port number 20 is the logical port number for FTP data service. FTP protocol is a standard protocol used for transmitting and receiving files from client to server through a network.

11. Which of the following is the port number for FTP control?
a) 20
b) 21
c) 22
d) 23
View Answer

Answer: b
Explanation: Port number 21 is the logical port number for FTP control service. FTP protocol is a standard protocol used for transmitting and receiving files from client to server through a network.

12. Which of the following is the port number for SSH (Secure Shell)?
a) 20
b) 21
c) 22
d) 23
View Answer

Answer: c
Explanation: Port number 22 is the logical port number for Secure Shell service. SSH gives users (specifically system administrators), a way to securely access computers on unsecured network connectivity.

13. Which of the following is the port number for Telnet?
a) 20
b) 21
c) 22
d) 23
View Answer

Answer: d
Explanation: Port number 23 is the logical port number for Telnet. Telnet is used for bi-directional communication over the internet in text-oriented format. It also gives virtual terminal connectivity.

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