Computer Network - part 1

5 flashcards · Computer Science · by MythiliRuby

1. What does OSI stand for in the OSI model? A. Open Systems Interconnection B. Open Software Integration C. Operational Systems Interface D. Optical Systems Integration

   A. Open Systems Interconnection

2. How many layers does the OSI model consist of? A. 5 B. 6 C. 7 D. 8

   C. 7

3. Which layer of the OSI model is closest to the end user? A. Physical Layer B. Data-Link Layer C. Application Layer D. Transport Layer

   C. Application Layer

4. What is the primary function of the Physical Layer in the OSI model? A. Error-free transfer of data frames B. Establishing, maintaining, and deactivating physical connections C. Managing device addressing and routing D. Providing encryption and compression

   B. Establishing, maintaining, and deactivating physical connections

5. Which layer is responsible for error-free transfer of data frames? A. Physical Layer B. Data-Link Layer C. Network Layer D. Transport Layer

   B. Data-Link Layer