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WorksheetsRevision - Communications & Networks
Total questions: 14
Worksheet time: 5mins
In a communication system, which among the following originate and accept messages in the form of data, information, and/or instructions?
Communication channels
Sending and receiving devices
Connection devices
Data transmission specifications
Which physical connection is the fastest?
Twisted pair
Coaxial cable
Fiber-optic cable
Microwave
The capacity of a communication channel is measured in _______.
bandwidth
bit capacity
band rate
data flow
Every computer on the Internet has a unique numeric address called a(n) _______.
domain address
protocol address
IP address
Web address
_______ is the process of breaking down information sent or transmitted across the Internet into small parts.
Protocol
Bandwidth
Identification
Packetization
The _______ is the central node that coordinates the flow of data by sending messages directly between the sender and receiver nodes.
client
server
switch
gateway
In a computer network, this node that requests and uses resources available from other nodes.
Client
Server
Host
Network Administrator
This device enables connectivity between two LANS or a LAN and a larger network
Hub
Node
Router
Network gateway
Organizations use the following to allow suppliers and others limited access to their networks.
Intranets
Extranets
Firewalls
Proxy servers
Remote users can connect to an organization's network through this type of secure private connection.
DSL
VPN
IDS
Firewall
The actual connecting or transmission medium that carries the message in a communication system is called the communication (a) .
(a) is the name of the process of converting from analog to digital.
A (a) area network is a network where the nodes are in close physical proximity to each other.
In a wireless LAN, all communications pass through the network's centrally located device known as (a) .
