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
Application Layer
2
Transport Layer
3
Network Layer
4
Data Link Layer
Question 2
Which of the following is the main function of the OSI model?
1
To break down complex network operations into manageable layers
2
To ensure that devices communicate
3
To manage network resources
4
To define the way a network operates
Question 3
What is the purpose of a subnet mask?
1
To identify the device’s physical address
2
To provide encryption for communication
3
To determine the gateway IP address
4
To divide an IP address into network and host portions
Question 4
What protocol is used for secure communication over the internet?
1
FTP
2
HTTP
3
HTTPS
4
SMPT
Question 5
Which of the following is an example of a Layer 2 device?
1
Gateway
2
Switch
3
Router
4
Hub
Question 6
Which type of IP address is used to communicate with all devices in a network?
1
MultiCast
2
UniCast
3
Anycast
4
Broadcast
Question 7
Which of the following is used to assign IP addresses to devices automatically on a network?
1
DHCP
2
NAT
3
ARP
4
DNS
Question 8
Which of the following protocols is used for email retrieval?
1
SMTP
2
IMAP
3
HTTP
4
FTP
Question 9
What is the purpose of the ARP protocol in networking?
1
To translate IP addresses to MAC addresses
2
To control the flow of data packets between devices
3
To convert domain names to IP addresses
4
To establish secure communication between devices
Question 10
What is the main purpose of the DNS (Domain Name System)?
1
To send emails between servers
2
To resolve domain names to IP addresses
3
To encrypt data between clients and servers
4
To transfer files over the network
Question 11
Which protocol is used to establish a secure connection between a web browser and a web server?
1
SSH
2
FTP
3
IMAP
4
SSL/TLS
Question 12
Which of the following is true about IPv6 addresses?
1
They are written in decimal format
2
They are backward compatible with IPv4
3
They are 32 bits in length
4
They are 128 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
Unicast
2
Broadcast
3
Multicast
4
Anycast
Question 14
What does the term "subnetting" refer to in networking?
1
Converting domain names to IP addresses
2
Assigning IP addresses dynamically
3
Dividing a network into smaller networks
4
Providing encryption for secure communication
Question 15
What does the "ping" command do in networking?
1
It transfers files between two devices
2
It encrypts data between devices
3
It checks the availability of a device in the network
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
Router
2
Bridge
3
Switch
4
Hub
Question 17
Which type of address is used to uniquely identify a device on a network at Layer 2 of the OSI model?
1
Hostname
2
Port Number
3
IP address
4
MAC address
Question 18
Which of the following is an example of a connectionless protocol?
1
HTTP
2
UDP
3
TCP
4
FTP
Question 19
Which of the following describes a "collision domain" in networking?
1
A network segment where data packets may collide
2
A device used to boost the network signal
3
A device used to route data between two different networks
4
A set of devices that share the same IP address
Question 20
Which of the following protocols operates at the transport layer of the OSI model?
1
DNS
2
IP
3
TCP
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
5
2
6
3
8
4
7
Question 23
Which of the following is the main function of the Data Link Layer in the OSI model?
1
Routing of packets
2
Data encryption
3
Error detection and correction
4
Provides end-to-end communication
Question 24
Which layer of the OSI model is responsible for end-to-end communication and error recovery?
1
Network Layer
2
Session Layer
3
Data Link Layer
4
Transport Layer
Question 25
Which layer of the OSI model is responsible for logical addressing, routing and forwarding of data packets?
1
Network Layer
2
Data Link Layer
3
Session Layer
4
Transport Layer
Question 26
Which of the following protocols operates at the Application Layer of the OSI model?
1
TCP
2
IP
3
Ethernet
4
FTP
Question 27
Which of the following is NOT a function of the Presentation Layer in the OSI model?
1
Data formatting
2
Data compression
3
Routing of packets
4
Encryption and decryption
Question 28
At which layer of the OSI model does the IP protocol operate?
1
Data Link Layer
2
Network Layer
3
Transport Layer
4
Application Layer
Question 29
Which layer of the OSI model is responsible for physical addressing and error detection during data transmission?
1
Data Link Layer
2
Transport Layer
3
Network Layer
4
Session 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