Networking MCQ & Objective Questions
Networking is a crucial topic in the syllabus for various school and competitive exams. Understanding the concepts of networking can significantly enhance your exam preparation and boost your scores. By practicing Networking MCQs and objective questions, you can identify important questions and solidify your grasp of the subject, making your study sessions more effective.
What You Will Practise Here
Fundamentals of Networking: Definitions and key concepts
Types of Networks: LAN, WAN, and MAN
Networking Devices: Routers, switches, and hubs
Network Protocols: TCP/IP, HTTP, and FTP
IP Addressing: Understanding IPv4 and IPv6
Network Security: Basic concepts and practices
Common Networking Models: OSI and TCP/IP models
Exam Relevance
Networking is a significant topic in various examinations including CBSE, State Boards, NEET, and JEE. Students can expect questions that test their understanding of networking concepts, device functions, and protocols. Common question patterns include multiple-choice questions that require students to identify correct definitions, match terms with their meanings, or apply concepts to practical scenarios.
Common Mistakes Students Make
Confusing different types of networks and their characteristics
Misunderstanding the functions of networking devices
Overlooking the importance of network security measures
Failing to grasp the differences between IPv4 and IPv6 addressing
Neglecting the OSI model layers and their respective functions
FAQs
Question: What are some key concepts I should focus on in Networking? Answer: Focus on understanding types of networks, networking devices, protocols, and security measures.
Question: How can I improve my performance in Networking MCQs? Answer: Regular practice with objective questions and reviewing common mistakes can greatly enhance your understanding.
Now is the time to take your Networking knowledge to the next level! Dive into our practice MCQs and test your understanding of this essential topic. Remember, consistent practice is the key to success in your exams!
Q. How does a switch handle VLAN tagging?
A.
By using MAC addresses
B.
By using IP addresses
C.
By using 802.1Q tags
D.
By using ARP requests
Show solution
Solution
Switches use 802.1Q tags to identify VLANs, allowing them to properly forward frames to the correct VLAN.
Correct Answer:
C
— By using 802.1Q tags
Learn More →
Q. How does IPv6 handle packet fragmentation?
A.
Only the sender can fragment packets
B.
Intermediate routers can fragment packets
C.
Fragmentation is not allowed in IPv6
D.
Fragmentation is handled by NAT
Show solution
Solution
In IPv6, only the sender is responsible for fragmenting packets, as routers do not perform fragmentation.
Correct Answer:
A
— Only the sender can fragment packets
Learn More →
Q. How does IPv6 handle packet fragmentation?
A.
Only the sender can fragment packets
B.
Intermediate routers can fragment packets
C.
Fragmentation is not allowed in IPv6
D.
Fragmentation is handled by NAT
Show solution
Solution
In IPv6, only the sender is responsible for fragmenting packets, as routers do not perform fragmentation.
Correct Answer:
A
— Only the sender can fragment packets
Learn More →
Q. How does IPv6 handle packet fragmentation?
A.
Only the sender can fragment packets
B.
Intermediate routers can fragment packets
C.
Fragmentation is not allowed in IPv6
D.
Fragmentation is handled by NAT
Show solution
Solution
In IPv6, only the sender is responsible for fragmenting packets, as routers do not perform fragmentation.
Correct Answer:
A
— Only the sender can fragment packets
Learn More →
Q. How does NAT affect the use of IPsec?
A.
It has no effect on IPsec
B.
It can break IPsec connections
C.
It enhances IPsec security
D.
It simplifies IPsec configuration
Show solution
Solution
NAT can break IPsec connections because it modifies packet headers, which can interfere with the integrity checks performed by IPsec.
Correct Answer:
B
— It can break IPsec connections
Learn More →
Q. How many subnets can be created from a Class C network using a /28 subnet mask?
Show solution
Solution
A /28 subnet mask allows for 16 subnets (2^(28-24)), as Class C networks have a default mask of /24.
Correct Answer:
C
— 16
Learn More →
Q. If a network has a subnet mask of /22, how many hosts can it support?
A.
1022
B.
1024
C.
2046
D.
2048
Show solution
Solution
A /22 subnet mask allows for 2^(32-22) = 1024 total addresses, minus 2 for network and broadcast addresses, resulting in 1022 usable hosts.
Correct Answer:
C
— 2046
Learn More →
Q. In OSPF, what is the purpose of the Area ID?
A.
To identify the router
B.
To segment the network
C.
To define the metric
D.
To establish neighbor relationships
Show solution
Solution
The Area ID in OSPF is used to segment the network into areas, which helps in reducing routing table size and improving efficiency.
Correct Answer:
B
— To segment the network
Learn More →
Q. In STP, what is the purpose of the port states?
A.
To define the speed of the port
B.
To determine the role of the port in the topology
C.
To manage IP address assignments
D.
To encrypt data on the port
Show solution
Solution
Port states in STP (Blocking, Listening, Learning, Forwarding) determine the role of the port in the network topology.
Correct Answer:
B
— To determine the role of the port in the topology
Learn More →
Q. In STP, what is the significance of the Bridge ID?
A.
It uniquely identifies a switch in the network
B.
It determines the speed of the connection
C.
It manages VLAN assignments
D.
It encrypts the data packets
Show solution
Solution
The Bridge ID uniquely identifies a switch in the network and is used in the STP calculations.
Correct Answer:
A
— It uniquely identifies a switch in the network
Learn More →
Q. In STP, which device is elected as the root bridge?
A.
The device with the highest MAC address
B.
The device with the lowest MAC address
C.
The device with the highest bandwidth
D.
The device with the lowest bridge ID
Show solution
Solution
The root bridge is elected based on the lowest bridge ID, which is a combination of bridge priority and MAC address.
Correct Answer:
D
— The device with the lowest bridge ID
Learn More →
Q. In subnetting, what does the term 'supernetting' refer to?
A.
Combining multiple subnets into a larger network
B.
Dividing a network into smaller subnets
C.
Changing the subnet mask
D.
None of the above
Show solution
Solution
Supernetting refers to the practice of combining multiple smaller subnets into a larger network to reduce the size of routing tables.
Correct Answer:
A
— Combining multiple subnets into a larger network
Learn More →
Q. In TCP/IP, which layer corresponds to the OSI Network Layer?
A.
Application Layer
B.
Transport Layer
C.
Internet Layer
D.
Link Layer
Show solution
Solution
In the TCP/IP model, the Internet Layer corresponds to the OSI Network Layer, handling routing and addressing.
Correct Answer:
C
— Internet Layer
Learn More →
Q. In the TCP/IP model, which layer is responsible for ensuring reliable data transmission?
A.
Application Layer
B.
Transport Layer
C.
Internet Layer
D.
Network Access Layer
Show solution
Solution
The Transport Layer in the TCP/IP model is responsible for ensuring reliable data transmission through protocols like TCP.
Correct Answer:
B
— Transport Layer
Learn More →
Q. In which layer of the OSI model does IP routing operate?
A.
Application layer
B.
Transport layer
C.
Network layer
D.
Data link layer
Show solution
Solution
IP routing operates at the Network layer (Layer 3) of the OSI model.
Correct Answer:
C
— Network layer
Learn More →
Q. In which layer of the OSI model does NAT primarily operate?
A.
Application layer
B.
Transport layer
C.
Network layer
D.
Data link layer
Show solution
Solution
NAT primarily operates at the Network layer (Layer 3) of the OSI model, where it modifies the IP address information in packet headers.
Correct Answer:
C
— Network layer
Learn More →
Q. In which layer of the OSI model does the TCP protocol operate?
A.
Application Layer
B.
Transport Layer
C.
Network Layer
D.
Session Layer
Show solution
Solution
TCP (Transmission Control Protocol) operates at the Transport Layer (Layer 4) of the OSI model.
Correct Answer:
B
— Transport Layer
Learn More →
Q. What algorithm does the Spanning Tree Protocol use to determine the best path?
A.
Dijkstra's Algorithm
B.
Bellman-Ford Algorithm
C.
Spanning Tree Algorithm
D.
Flooding Algorithm
Show solution
Solution
STP uses the Spanning Tree Algorithm to determine the best path and eliminate loops.
Correct Answer:
C
— Spanning Tree Algorithm
Learn More →
Q. What does a router use to make forwarding decisions?
A.
MAC address table
B.
Routing table
C.
ARP cache
D.
DNS records
Show solution
Solution
A router uses a routing table to make forwarding decisions based on the destination IP address of packets.
Correct Answer:
B
— Routing table
Learn More →
Q. What does a router use to make routing decisions?
A.
MAC addresses
B.
IP addresses
C.
Port numbers
D.
DNS records
Show solution
Solution
Routers use IP addresses to make routing decisions and determine the best path for data packets.
Correct Answer:
B
— IP addresses
Learn More →
Q. What does a subnet mask do?
A.
Defines the size of the network
B.
Encrypts data packets
C.
Assigns IP addresses
D.
Routes data packets
Show solution
Solution
A subnet mask defines the size of the network and determines which portion of an IP address refers to the network and which part refers to the host.
Correct Answer:
A
— Defines the size of the network
Learn More →
Q. What does CIDR stand for in the context of subnetting?
A.
Classless Inter-Domain Routing
B.
Classful Inter-Domain Routing
C.
Common Inter-Domain Routing
D.
Centralized Inter-Domain Routing
Show solution
Solution
CIDR stands for Classless Inter-Domain Routing, which allows for more flexible allocation of IP addresses than traditional classful addressing.
Correct Answer:
A
— Classless Inter-Domain Routing
Learn More →
Q. What does the '::' notation in IPv6 addresses signify?
A.
A subnet mask
B.
A loopback address
C.
A shorthand for consecutive zero blocks
D.
A reserved address
Show solution
Solution
'::' is a shorthand notation in IPv6 that represents consecutive blocks of zeros in an address.
Correct Answer:
C
— A shorthand for consecutive zero blocks
Learn More →
Q. What does the '::' notation in IPv6 represent?
A.
A single zero
B.
A group of four zeros
C.
A series of consecutive zeros
D.
An invalid address
Show solution
Solution
'::' notation in IPv6 is used to represent a series of consecutive zeros in the address, allowing for a more compact representation.
Correct Answer:
C
— A series of consecutive zeros
Learn More →
Q. What does the subnet mask 255.255.255.0 indicate?
A.
A Class A network
B.
A Class B network
C.
A Class C network
D.
A Class D network
Show solution
Solution
The subnet mask 255.255.255.0 indicates a Class C network.
Correct Answer:
C
— A Class C network
Learn More →
Q. What does the term 'encryption' refer to in network security?
A.
The process of compressing data
B.
The process of converting data into a coded format
C.
The process of backing up data
D.
The process of deleting data
Show solution
Solution
Encryption is the process of converting data into a coded format to prevent unauthorized access.
Correct Answer:
B
— The process of converting data into a coded format
Learn More →
Q. What does the term 'handoff' refer to in wireless communication?
A.
Switching between different frequency bands
B.
Transferring a call from one cell tower to another
C.
Changing the encryption method
D.
Adjusting the transmission power
Show solution
Solution
Handoff refers to the process of transferring an active call or data session from one cell tower to another as a user moves through the coverage area.
Correct Answer:
B
— Transferring a call from one cell tower to another
Learn More →
Q. What does the term 'VPN' stand for in network security?
A.
Virtual Private Network
B.
Virtual Public Network
C.
Variable Private Network
D.
Virtual Protected Network
Show solution
Solution
VPN stands for Virtual Private Network, which creates a secure connection over a less secure network, such as the Internet.
Correct Answer:
A
— Virtual Private Network
Learn More →
Q. What happens to ports in a switch that are in a blocking state in STP?
A.
They forward traffic
B.
They drop traffic
C.
They listen for BPDUs
D.
They become active
Show solution
Solution
Ports in a blocking state do not forward traffic; they drop it to prevent loops.
Correct Answer:
B
— They drop traffic
Learn More →
Q. What happens to redundant links in a network using Spanning Tree Protocol?
A.
They are utilized for load balancing
B.
They are blocked to prevent loops
C.
They are automatically configured
D.
They are converted to trunk links
Show solution
Solution
Redundant links are blocked in STP to prevent loops while still allowing for failover if the active link fails.
Correct Answer:
B
— They are blocked to prevent loops
Learn More →
Showing 1 to 30 of 237 (8 Pages)
