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Network Topologies: Bus, Star, Ring & Mesh MCQs with Answers

What is the main characteristic of a Bus topology?
a) A central node connects all devices
b) Each device is connected to a hub
c) All devices share a common communication channel
d) Devices are connected in a loop

Answer
c) All devices share a common communication channel

In a Star topology, what is the role of the central node?
a) To receive and transmit data to all other devices
b) To direct data packets to their destinations
c) To create a closed loop for data transmission
d) To store data for the devices

Answer
b) To direct data packets to their destinations

Which of the following is a disadvantage of a Bus topology?
a) Failure in one device affects the entire network
b) A single failure in the central node disrupts the whole network
c) Difficult to add new devices
d) Collisions and data loss due to shared communication medium

Answer
d) Collisions and data loss due to shared communication medium

Which topology is considered the most reliable because of its multiple redundant connections?
a) Bus topology
b) Star topology
c) Ring topology
d) Mesh topology

Answer
d) Mesh topology

In a Ring topology, how is data transmitted?
a) Data circulates in a continuous loop until it reaches the destination
b) Data is sent from one device to another until it reaches the destination
c) A central node directs data to the appropriate device
d) All devices receive data at the same time

Answer
a) Data circulates in a continuous loop until it reaches the destination

Which of the following topologies uses a central hub or switch to manage communication between devices?
a) Bus topology
b) Star topology
c) Ring topology
d) Mesh topology

Answer
b) Star topology

Which of the following is an advantage of a Mesh topology?
a) Easy to install and configure
b) Reliable, with multiple paths between devices
c) Requires fewer cables than other topologies
d) It is cost-effective

Answer
b) Reliable, with multiple paths between devices

What is the main disadvantage of a Ring topology?
a) Single failure can disrupt the entire network
b) Difficult to troubleshoot
c) Expensive and complex to set up
d) Poor performance in large networks

Answer
a) Single failure can disrupt the entire network

Which topology requires a terminator at each end of the network?
a) Star topology
b) Ring topology
c) Bus topology
d) Mesh topology

Answer
c) Bus topology

Which of the following topologies is typically used in small office or home networks?
a) Bus topology
b) Star topology
c) Ring topology
d) Mesh topology

Answer
b) Star topology

What happens if a device fails in a Star topology?
a) The entire network is disrupted
b) Only the device that failed is affected
c) The network operates in a loop mode
d) The failure is easily repaired by rerouting data

Answer
b) Only the device that failed is affected

In which topology does every device connect to every other device?
a) Star topology
b) Ring topology
c) Bus topology
d) Mesh topology

Answer
d) Mesh topology

Which topology is most affected by network congestion due to its shared communication medium?
a) Star topology
b) Bus topology
c) Ring topology
d) Mesh topology

Answer
b) Bus topology

Which of the following topologies is most suitable for large networks where redundancy and fault tolerance are important?
a) Star topology
b) Mesh topology
c) Ring topology
d) Bus topology

Answer
b) Mesh topology

What is the most significant benefit of a Mesh topology?
a) It is easy to install and configure
b) It has low cost
c) It offers fault tolerance and redundancy
d) It has a shared communication medium

Answer
c) It offers fault tolerance and redundancy

What is a disadvantage of a Mesh topology?
a) It is expensive to install and maintain
b) Data transmission is slower than other topologies
c) It is difficult to troubleshoot
d) It has high power consumption

Answer
a) It is expensive to install and maintain

What does a bus topology use to connect all devices?
a) A central hub
b) A shared communication channel
c) A ring of connected devices
d) A star-shaped connection

Answer
b) A shared communication channel

In a Star topology, what happens if the central hub or switch fails?
a) The entire network is unaffected
b) Only one device will be affected
c) The entire network becomes inoperable
d) Data is routed through other hubs

Answer
c) The entire network becomes inoperable

In which topology do all devices communicate with each other through a single, shared connection?
a) Star topology
b) Bus topology
c) Ring topology
d) Mesh topology

Answer
b) Bus topology

Which of the following is true about a Ring topology?
a) Devices are connected in a line
b) Data flows in a circular direction
c) Devices are connected to a central hub
d) It is the most fault-tolerant topology

Answer
b) Data flows in a circular direction

Which of the following is a characteristic of a Hybrid topology?
a) It combines two or more topologies
b) It uses only one type of topology
c) It is a combination of only Star and Ring topologies
d) It operates only in small-scale networks

Answer
a) It combines two or more topologies

Which of the following topologies requires the least amount of cabling?
a) Star topology
b) Mesh topology
c) Bus topology
d) Ring topology

Answer
c) Bus topology

What is the maximum number of connections required in a full Mesh topology with n devices?
a) n-1
b) n(n-1)/2
c) n
d) n+1

Answer
b) n(n-1)/2

Which topology uses a token to control the flow of data?
a) Bus topology
b) Ring topology
c) Star topology
d) Mesh topology

Answer
b) Ring topology

Which of the following is a characteristic of a Star topology?
a) Each device has a direct connection to every other device
b) A central device manages communication
c) The network is highly fault-tolerant
d) Data transmission occurs in a loop

Answer
b) A central device manages communication

What is the most common use of Bus topology in modern networks?
a) Large enterprise networks
b) Simple, small office networks
c) Wireless communication systems
d) High-traffic networks

Answer
b) Simple, small office networks

Which topology is most suitable for a situation where fault tolerance is not a high priority?
a) Bus topology
b) Star topology
c) Mesh topology
d) Ring topology

Answer
a) Bus topology

Which of the following topologies provides the easiest method for adding new devices?
a) Bus topology
b) Star topology
c) Mesh topology
d) Ring topology

Answer
b) Star topology

In which topology do devices need to wait for a free token before transmitting data?
a) Bus topology
b) Star topology
c) Ring topology
d) Mesh topology

Answer
c) Ring topology

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