CCNA 640-802 Exam Practice Questions
Repeaters, bridges, and routers

Q4. Match the following:

A. Repeaters 1. Data Link Layer

B. Bridges 2. Network Layer

C. Routers 3. Physical Layer

Select the best combination:

A. A --->2, B--->3, C--->1

B. A--->3, B---->1, C---->2

C. A--->3,B----->2, C---->1

D. A---->1, B---->2, C---->3

Correct answer: B

Explanation:

Repeaters work at Physical layer (Layer 1),

Bridges and simple switches work at Data Link Layer (Layer 2),

Routers work at Network Layer (Layer 3) of ISO Reference Model.