WorksheetsComputer Network
Total questions: 15
Worksheet time: 8mins
Identify the primary function of a computer network.
Performing calculations faster
Storing large amounts of data
Sharing resources and communication
Creating web applications
Which of the following is an example of a network application?
Microsoft Excel
Adobe Photoshop
Google Drive
Disk Defragmenter
Which device operates at the network layer and is used to connect different networks?
Switch
Hub
Repeater
Router
In a star topology, failure of which device leads to network failure?
Any end device
The central switch or hub
Any cable
Network interface card
Which of the following defines a set of rules for data communication?
Bandwidth
Topology
Protocol
IP address
TCP/IP model's transport layer provides which of the following protocols?
TCP and UDP
FTP and HTTP
IP and ARP
SMTP and DHCP
In the OSI model, communication between adjacent layers happens using:
Packets
Services
Protocols
Interfaces
Which of the following layers deals with transmission of raw bits over a communication channel?
Transport
Physical
Data Link
Network
The electromagnetic spectrum is divided based on:
Voltage levels
Frequency ranges
Data speed
Signal amplitude
Twisted pair cables are twisted to
Reduce weight
Enhance strength
Reduce electromagnetic interference
Increase bandwidth
In which guided medium does light signal travel through glass or plastic?
Coaxial cable
Fiber optic cable
Twisted pair cable
Satellite cable
What is the typical use of coaxial cable in networking?
Modern LAN backbone
Ethernet over long distances
Cable TV distribution
Optical data transfer
Fiber optic cables use the principle of:
Linear amplification
Frequency division
Total internal reflection
Electrical signal conduction
A connectionless service sends data:
Without establishing a session
After creating a path
By acknowledging every packet
With session management
The bandwidth of a signal is measured in:
Volts
Hertz
Bits
Ohms
