placeholder image to represent content

Computer Networks - Unit II

Quiz by Dr.J.Jenefa

Feel free to use or edit a copy

includes Teacher and Student dashboards

Measure skills
from any curriculum

Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.

With a free account, teachers can
  • edit the questions
  • save a copy for later
  • start a class game
  • automatically assign follow-up activities based on students’ scores
  • assign as homework
  • share a link with colleagues
  • print as a bubble sheet

Our brand new solo games combine with your quiz, on the same screen

Correct quiz answers unlock more play!

New Quizalize solo game modes
10 questions
Show answers
  • Q1
    Digital-to-digital encoding is the representation of digital information by a ______ signal.
    Analog
    Digital
    Digital
    Analog and Digital
    30s
  • Q2
    NRZ stands for __________
    Non-Return-to-Z
    Non-Return-to Zero
    Non-Return Zero
    Non-Return Zero
    30s
  • Q3
    RZ stands for __________
    Return-to Zero
    Return Z
    Return Zero
    Return-to Zero
    30s
  • Q4
    In NRZ-L, L stands for
    Level
    Low
    Level
    Less
    30s
  • Q5
    AMI stands for
    Alternate Mark Inversion
    Alternate Mark Inversion
    Alternate Mark Invert
    Alternate Mark Inverse
    30s
  • Q6
    What is the main aim of block coding?
    To replace a block of code
    To avoid synchronization problem
    To add redundant bits
    To avoid synchronization problem
    30s
  • Q7
    What are the different types of packet switching?
    Both A & B
    Virtual Circuit Approach
    Both A & B
    Datagram Approach
    30s
  • Q8
    _____________ is a passage to connect two networks together
    Switch
    Gateway
    Gateway
    Hub
    30s
  • Q9
    What is the range of infra-red?
    200 to 300 THz
    300 GHz to 400 THz.
    300 GHz to 400 THz.
    100 to 300 THz
    30s
  • Q10
    In PSK, which remains constant?
    Frequency,phase
    Frequency, Amplitude
    Phase, Amplitude
    Frequency, Amplitude
    30s

Teachers give this quiz to your class