Practice networking Quizzes
Explore networking in depth with quizzes covering fundamentals to advanced concepts. DevBrainiac's structured quiz format helps you understand theory, apply logic and master problem-solving techniques. With continuous practice, you can track progress, fix mistakes and build strong command of networking.
Explore All networking Quizzes
Learn networking step by step with interactive quizzes designed for beginners and learners revising key concepts. Build a strong foundation with clear, structured practice in networking.
Question 1
Which layer of the OSI model is responsible for routing?
1
Network Layer
2
Application Layer
3
Data Link Layer
4
Transport Layer
Question 2
Which of the following is the main function of the OSI model?
1
To define the way a network operates
2
To break down complex network operations into manageable layers
3
To manage network resources
4
To ensure that devices communicate
Question 3
What is the purpose of a subnet mask?
1
To divide an IP address into network and host portions
2
To provide encryption for communication
3
To determine the gateway IP address
4
To identify the device’s physical address
Question 4
What protocol is used for secure communication over the internet?
1
SMPT
2
FTP
3
HTTPS
4
HTTP
Question 5
Which of the following is an example of a Layer 2 device?
1
Router
2
Gateway
3
Switch
4
Hub
Question 6
Which type of IP address is used to communicate with all devices in a network?
1
Anycast
2
UniCast
3
Broadcast
4
MultiCast
Question 7
Which of the following is used to assign IP addresses to devices automatically on a network?
1
NAT
2
DHCP
3
DNS
4
ARP
Question 8
Which of the following protocols is used for email retrieval?
1
FTP
2
SMTP
3
IMAP
4
HTTP
Question 9
What is the purpose of the ARP protocol in networking?
1
To convert domain names to IP addresses
2
To control the flow of data packets between devices
3
To translate IP addresses to MAC addresses
4
To establish secure communication between devices
Question 10
What is the main purpose of the DNS (Domain Name System)?
1
To transfer files over the network
2
To resolve domain names to IP addresses
3
To send emails between servers
4
To encrypt data between clients and servers
Question 11
Which protocol is used to establish a secure connection between a web browser and a web server?
1
SSL/TLS
2
SSH
3
IMAP
4
FTP
Question 12
Which of the following is true about IPv6 addresses?
1
They are 128 bits in length
2
They are written in decimal format
3
They are backward compatible with IPv4
4
They are 32 bits in length
Question 13
Which of the following types of IP address is used to communicate with a single device on the network?
1
Anycast
2
Multicast
3
Broadcast
4
Unicast
Question 14
What does the term "subnetting" refer to in networking?
1
Providing encryption for secure communication
2
Dividing a network into smaller networks
3
Converting domain names to IP addresses
4
Assigning IP addresses dynamically
Question 15
What does the "ping" command do in networking?
1
It transfers files between two devices
2
It checks the availability of a device in the network
3
It encrypts data between devices
4
It assigns an IP address to a device
Question 16
Which of the following is a Layer 3 device that forwards packets based on IP addresses?
1
Switch
2
Router
3
Hub
4
Bridge
Question 17
Which type of address is used to uniquely identify a device on a network at Layer 2 of the OSI model?
1
Port Number
2
MAC address
3
Hostname
4
IP address
Question 18
Which of the following is an example of a connectionless protocol?
1
FTP
2
UDP
3
TCP
4
HTTP
Question 19
Which of the following describes a "collision domain" in networking?
1
A device used to route data between two different networks
2
A set of devices that share the same IP address
3
A network segment where data packets may collide
4
A device used to boost the network signal
Question 20
Which of the following protocols operates at the transport layer of the OSI model?
1
DNS
2
TCP
3
IP
4
ARP
Question 21
Which of the following is a private IP address range?
1
192.168.0.0 to 192.168.255.255
2
10.0.0.0 to 10.255.255.255
3
172.16.0.0 to 172.31.255.255
4
All of the above
Question 22
How many layers are there in the OSI model?
1
8
2
5
3
7
4
6
Question 23
Which of the following is the main function of the Data Link Layer in the OSI model?
1
Provides end-to-end communication
2
Routing of packets
3
Error detection and correction
4
Data encryption
Question 24
Which layer of the OSI model is responsible for end-to-end communication and error recovery?
1
Data Link Layer
2
Network Layer
3
Session Layer
4
Transport Layer
Question 25
Which layer of the OSI model is responsible for logical addressing, routing and forwarding of data packets?
1
Transport Layer
2
Network Layer
3
Session Layer
4
Data Link Layer
Question 26
Which of the following protocols operates at the Application Layer of the OSI model?
1
IP
2
Ethernet
3
FTP
4
TCP
Question 27
Which of the following is NOT a function of the Presentation Layer in the OSI model?
1
Routing of packets
2
Encryption and decryption
3
Data formatting
4
Data compression
Question 28
At which layer of the OSI model does the IP protocol operate?
1
Data Link Layer
2
Transport Layer
3
Application Layer
4
Network Layer
Question 29
Which layer of the OSI model is responsible for physical addressing and error detection during data transmission?
1
Session Layer
2
Network Layer
3
Data Link Layer
4
Transport Layer
Question 30
Which of the following is a device used in the Data Link Layer of the OSI model?
1
Router
2
Gateway
3
Switch
4
Hub