CS601 Data Communication Quizzes NO 1

To make sure that source does not overwhelm destination by sending data faster than it can be handled and processed is called?Addressing & Routing

Exchange Management
Flow Control pg 18Recovery

The Transmission between Client/Server is called? Asymmetric PG 21 Symmetric

 Which physical connection is the fastest? twisted pair
  coaxial
fiber-optic

  _____ Contains a repeater  Active hub pg 31  Passive hub

What is the period of A Sine wave having frequency of 10 Hz.  0.2
  0.10.5
0.3

Device that is connected to a network is called a  client
  node entity
 server

_____ allows a user to access file on the remote computers to make changes or read data. FTAM pg 54Mail Server
 Application Server
 Directory Service

The _____________ layer changes bits into electromagnetic signals.
physical
data link
transport
presentation

  In _______ each path is passed from node to node  Circuit switching
  Packet switching pg 38

If users must take turns using the link, then it is called Spatial Sharing
True
False pg 27

__________ ensures end-to-end reliable transmission
Application Layer
Data Link Layer
Transport Layer
Network layer

Which level of the TCP/IP reference model routes data/information across a network channel?
Application layer
Data Link Layer
Transport Layer
Network Layer

Time domain shows changes in ______
time w.r.t signal amplitude
signal amplitude w.r.t time
time
All of above

Digital signals are refers to be
Continuous
Discrete
All of above
None

Which of the following connection methods would not be used to connect devices between two different offices?
twisted pairs
fiber-optics
coaxial cables
infrared

Traditionally MANs have been implemented using one of the 2 technologies, Circuit Switching and Packet Switching
True pg 37
False

Which of the following network topologies among the list below is incorrect?
Star
Internet
Ring
Bus

______ layer header includes service point address or port address.

Physical
Session
Transport pg 49
Network

Several topologies combined in a larger topology to form a ______
Mix Topologies
Complex Topologies
Large Topologies
Hybrid Topologies

There are three types of Hubs that exist. Which of the following options correctly describes these three 
Passive, dormant, special
Active , dormant , passive
Passive, Active, Turbo
Passive, Active, Intelligent

Human voice is example of _______ signal 
Digital
Analog pg79
Discrete
None of the given

Is there any difference between Data communication and telecommunication network? 
Yes 
No

Data is transmitted using light through a __ cable 
twisted pair
fiber-optic
coaxial

OSI Model is a Protocol 
True False

A network where data is actually a bit stream in the shape of 0's and 1's.
Yes
No

what is data communication? 
subset of telecommunication as it deals only with the data of Signals
subset of telecommunication as it deals only with the data of 0's and 1's
is same as telecommunication
none of above

Internet with small “i” specifies the world wide Network the actual internet.true
false

____ is the process of breaking down information sent or transmitted across the Internet into small parts called packets. 
 protocol
 bandwidth
 reformatting identification

______________ is mostly Hardware  Presentation Layer
 Network Layer
 Physical layer Data Link Layer

Following characteristics fully describe ______________ Amplitude Period/ Frequency Phase  Sine Waves
 Digital Signals
 Aperiodic Signals
 None of the given

In _______ Topology Every device has dedicated a point-to-point link to every other device. Star Topology
 Mesh Topology pg 29 Ring Topology
 Tree Topology

 These communication devices originate as well as accept messages in the form of data, information, and/or instructions.i-drives
sending and receiving deviceskey chain drives
optical drives