The physical layer concerns with____________________?

Related Mcqs:

1. The physical layer translates logical communication requests from the ___________ into hardware specific operations?

   A. data link layer
   B. network layer
   C. trasnport layer
   D. application layer

2. The portion of physical layer that interfaces with the media access control sublayer is called_____________________?

   A. physical signalling sublayer
   B. physical data sublayer
   C. physical address sublayer
   D. none of these

3. The physical layer is responsible for__________________?

   A. line coding
   B. channel coding
   C. modulation
   D. all of these

4. In asynchronous serial communication the physical layer provides__________________?

   A. start and stop signalling
   B. flow control
   C. both A and B
   D. none of these

5. Micro computer hardware consists of three basic categories of physical equipment______________________?

   A. Keyboard, monitor and hard drive
   B. System unit, input / output and memory
   C. System unit, input / output and secondary storage
   D. System unit, primary storage and secondary storage

6. Sending data from one place to another, by physical or electronic means is_____________________?

   A. E-mail
   B. Internet
   C. Data transmission
   D. Distributed processing

7. The channel capacity or a maximum throughput of a logical or physical communication path in a digital communication system is called_________________?

   A. Bandwidth
   B. Broadband
   C. Capacity
   D. Bitrate

8. Which one of the following is a transport layer protocol used in internet ?

   A. TCP
   B. UDP
   C. Both A and B
   D. none of these

9. When displaying a web page, the application layer uses the__________________?

   A. HTTP protocol
   B. FTP protocol
   C. SMTP protocol
   D. None of these

10. The data link layer takes the packets from ________________ and encapsulates them into frames for transmission?

    A. network layer
    B. physical layer
    C. transport layer
    D. application layer