A. line coding
B. channel coding
C. modulation
D. all of these
Related Mcqs:
- 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 - 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 - The physical layer concerns with____________________?
A. bit-by-bit delivery
B. process to process delivery
C. application to application delivery
D. none of these - 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 - 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 - Sending data from one place to another, by physical or electronic means is_____________________?
A. E-mail
B. Internet
C. Data transmission
D. Distributed processing - 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 - The packet of information at the application layer is called____________________?
A. Packet
B. Message
C. Segment
D. Frame - Application layer protocol defines_____________________?
A. types of messages exchanged
B. message format, syntax and semantics
C. rules for when and how processes send and respond to messages
D. all of these - Which one of the following is a transport layer protocol ?
A. stream control transmission protocol
B. internet control message protocol
C. neighbor discovery protocol
D. dynamic host configuration protocol
