Data Communication & Network – OSI Model MCQs

  Q.1 How many layers are there in OSI Model ? A) 6 B) 7 C) 8  D) 4 ANSWER= (B) 7 Check Answer   Q.2 Router operates in which layer of OSI reference Model ? A) Layer 1 (Physical) B) Layer 2 (Data Link) C) Layer 3 (Network)  D) Layer 4 (Transport) ANSWER= (C) … Read more