GENERAL KNOWLEDGE AND
TECHNICAL PROFICIENCY TEST 3
QUESTIONS AND ANSWERS 2026
1. Which of the following layers of the OSI model is responsible for path determination and
logical addressing?
A. Physical Layer
B. Data Link Layer
C. Network Layer
D. Transport Layer
Answer: C
Conceptual Explanation: The Network layer handles routing and logical addressing (IP
addresses).
2. In programming, what is the term for a function that calls itself?
A. Iteration
B. Inheritance
C. Recursion
,D. Looping
Answer: C
Conceptual Explanation: Recursion is a method where the solution to a problem depends
on solutions to smaller instances of the same problem.
3. Which component of a computer system is considered the ‘brain’ responsible for executing
instructions?
A. CPU
B. GPU
C. RAM
D. Motherboard
Answer: A
Conceptual Explanation: The Central Processing Unit (CPU) performs the primary
calculations and logic of the computer.
4. What is the result of the hexadecimal addition 0xA + 0x5?
A. 0x10
B. 0x15
C. 0xE
D. 0xF
, Answer: D
Conceptual Explanation: In hexadecimal, A represents 10. 10 + 5 = 15, which is
represented as F.
5. Which protocol is used to securely transfer files over a network?
A. HTTP
B. Telnet
C. SNMP
D. SFTP
Answer: D
Conceptual Explanation: SFTP (SSH File Transfer Protocol) provides secure file transfer
capabilities over SSH.
6. What does SQL stand for in the context of database management?
A. Structured Query Language
B. System Query Logic
C. Simple Query Language
D. Standard Question List
Answer: A
TECHNICAL PROFICIENCY TEST 3
QUESTIONS AND ANSWERS 2026
1. Which of the following layers of the OSI model is responsible for path determination and
logical addressing?
A. Physical Layer
B. Data Link Layer
C. Network Layer
D. Transport Layer
Answer: C
Conceptual Explanation: The Network layer handles routing and logical addressing (IP
addresses).
2. In programming, what is the term for a function that calls itself?
A. Iteration
B. Inheritance
C. Recursion
,D. Looping
Answer: C
Conceptual Explanation: Recursion is a method where the solution to a problem depends
on solutions to smaller instances of the same problem.
3. Which component of a computer system is considered the ‘brain’ responsible for executing
instructions?
A. CPU
B. GPU
C. RAM
D. Motherboard
Answer: A
Conceptual Explanation: The Central Processing Unit (CPU) performs the primary
calculations and logic of the computer.
4. What is the result of the hexadecimal addition 0xA + 0x5?
A. 0x10
B. 0x15
C. 0xE
D. 0xF
, Answer: D
Conceptual Explanation: In hexadecimal, A represents 10. 10 + 5 = 15, which is
represented as F.
5. Which protocol is used to securely transfer files over a network?
A. HTTP
B. Telnet
C. SNMP
D. SFTP
Answer: D
Conceptual Explanation: SFTP (SSH File Transfer Protocol) provides secure file transfer
capabilities over SSH.
6. What does SQL stand for in the context of database management?
A. Structured Query Language
B. System Query Logic
C. Simple Query Language
D. Standard Question List
Answer: A