Multiple Choice Question (MCQ)

Question: Which metal is resistant to many types of acids?
A. Tin
B. Nickel
C. Lead
D. Chromium
Correct Answer: Lead
Explanation

1. Physical Layer (Layer 1)

2. Data Link Layer (DLL) (Layer 2)

3. Network Layer (Layer 3)

4. Transport Layer (Layer 4)

5. Session Layer (Layer 5)

6. Presentation Layer (Layer 6)

7. Application Layer (Layer 7)