WorksheetsCommunication Networks Quiz
Total questions: 32
Worksheet time: 16mins
What is a communication network?
A network designed to manage power distribution
A system to interconnect devices for data exchange
A collection of computers without interconnection
A network for multimedia applications
Which of the following is a type of communication network topology?
Star
Tree
Mesh
All of the above
What does the term "latency" in a network refer to?
The speed of the network
The delay in data transmission
The bandwidth of the network
The error rate in the network
What is the main function of a router in a network?
Convert analog signals to digital
Forward data packets to the appropriate destination
Create a wireless network
Establish a connection between devices in a LAN
TCP/IP model consists of how many layers?
4
5
6
7
Which device works at the data link layer of the OSI model?
Router
Switch
Hub
Repeater
What does "bandwidth" refer to in a communication network?
Maximum data transfer rate of the network
Total distance covered by the network
Number of devices connected to the network
Delay in signal transmission
Which of the following is NOT a type of network?
LAN
MAN
PAN
NDN
In which layer of the OSI model does IP operate?
Transport Layer
Data Link Layer
Network Layer
Physical Layer
Which of the following is not a type of network topology?
Star
Ring
Rectangle
Bus
In a star topology, what happens if the central hub fails?
The entire network fails
Only one connected device stops working
The network performance slows down
Devices communicate directly without a hub
Which topology uses a single backbone cable to connect all devices?
Ring
Bus
Star
Mesh
In which topology does each device have a dedicated point-to-point link to every other device?
Star
Mesh
Ring
Bus
What is the main advantage of a ring topology?
Easy to troubleshoot
Cost-effective for large networks
Equal access to the network for all devices
Fault tolerance is high
Which topology is best suited for fault tolerance and redundancy?
Mesh
Star
Bus
Ring
In which topology is data transmitted in one direction to avoid data collisions?
Mesh
Star
Ring
Tree
What is a hybrid topology?
A combination of two or more topologies
A network where devices are connected wirelessly
A network with no topology at all
A topology used only for small networks
In which topology does the failure of a single device cause the entire network to fail?
Bus
Mesh
Ring
Star
Which topology requires the most cabling?
Bus
Mesh
Ring
Star
What is a protocol in networking?
A software used to connect devices
A set of rules for data communication
A hardware device used for data transfer
A coding language for networking
Which organization is responsible for creating internet standards?
ISO
IEEE
IETF
ITU
What does the HTTP protocol stand for?
Hyper Text Transfer Program
Hyper Text Transfer Protocol
High Text Transfer Protocol
Hyper Terminal Transfer Protocol
Which protocol is used for secure communication over the internet?
HTTP
FTP
HTTPS
SMTP
Which layer of the OSI model does the TCP protocol operate in?
Network Layer
Transport Layer
Data Link Layer
Application Layer
What is the role of the DNS protocol?
Translates domain names to IP addresses
Ensures secure data transfer
Establishes connections between two devices
Provides encryption for data
Which protocol is used to transfer files between computers?
FTP
SMTP
IMAP
ARP
What is the primary function of the ICMP protocol?
To provide routing information
To send error messages and operational information
To encrypt data for secure communication
To transfer files between devices
Which of the following is a standard for wireless local area networks (WLANs)?
IEEE 802.3
IEEE 802.11
IEEE 802.15
IEEE 802.16
What does the ARP protocol do?
Resolves IP addresses to MAC addresses
Encrypts data for secure transmission
Transfers files between systems
Monitors network traffic
SMTP is used for:
File Transfer
Email Communication
Domain Name Resolution
Network Address Translation
Which protocol is commonly used to retrieve emails from a mail server?
FTP
IMAP
SNMP
DHCP
What is the purpose of the SSL/TLS protocol?
To provide file transfer services
To secure communications over a network
To resolve IP addresses
To enable video streaming
