Network Topologies and Models Review Flashcards

Front

What is a primary limitation of the Bus Topology?

Back

Limited cable length and number of stations

Answer explanation

A primary limitation of the Bus Topology is its limited cable length and number of stations. This restricts the network's scalability and can lead to performance issues as more devices are added.

Front

In which topology does data transmission occur sequentially with a token being passed around to control access?

Back

Ring topology

Answer explanation

In a ring topology, data transmission occurs sequentially as each device is connected in a circular fashion. A token is passed around the ring to control access, ensuring that only one device transmits at a time.

Front

Which network topology ensures high reliability by having dedicated connections between every pair of devices?

Back

Mesh topology

Answer explanation

Mesh topology ensures high reliability by providing dedicated connections between every pair of devices, allowing for multiple paths for data transmission. This minimizes the risk of failure compared to other topologies.

Front

What is a characteristic of the Client/Server Model?

Back

The client requests services from the server.

Answer explanation

In the Client/Server Model, the client initiates requests for services, while the server provides those services. This distinguishes the roles, making 'The client requests services from the server' the correct choice.

Front

Which network model uses a central mainframe for processing with terminals for input/output?

Back

Mainframe-Terminal Model

Answer explanation

The Mainframe-Terminal Model is characterized by a central mainframe that handles processing, while terminals are used for input and output. This distinguishes it from other models like Client-Server or Peer-to-Peer.

Front

In the Peer-to-Peer Model, what role does each computer play?

Back

Both client and server

Answer explanation

In the Peer-to-Peer Model, each computer acts as both a client and a server, allowing them to share resources and services directly with one another without a central server. This is why the correct answer is 'Both client and server'.

Front

What is a key advantage of the Mesh Topology?

Back

High redundancy and reliability

Answer explanation

A key advantage of Mesh Topology is its high redundancy and reliability. Each device is connected to multiple others, ensuring that if one connection fails, data can still be transmitted through alternative paths.

Front

Which network model is characterized by equal sharing of resources among all devices?

Back

Peer-to-Peer Model

Answer explanation

The Peer-to-Peer Model allows all devices to share resources equally without a central server, making it distinct from other models like Client-Server, where resources are controlled by a central server.

Front

In a Star Topology, what happens if the central device fails?

Back

All network communication stops

Answer explanation

In a Star Topology, the central device acts as a hub for all communications. If it fails, all network communication stops, affecting all connected devices, making this the correct choice.

Front

What is a disadvantage of the Ring Topology?

Back

Failure of one device can disrupt the entire network

Answer explanation

In a Ring Topology, if one device fails, it breaks the loop, causing the entire network to go down. This makes the network highly vulnerable to single points of failure, which is a significant disadvantage.