Networking Layers and Topologies Quiz

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What is the main function of the application layer in IP networking?

Establish logical connections between applications (correct)

Provide security through encryption

Handle physical data transmission

Perform routing and switching

Why are mesh networks not generally fully interconnected?

To avoid excessive number of links (correct)

To reduce the need for routing and switching

To increase data security

To simplify the network structure

What is a typical characteristic of hierarchical networks in public telephone systems?

No hierarchy present

Some connections out of the hierarchy (correct)

Fully interconnected structure

Connections only within the hierarchy

In LANs, which topology involves connecting each device to a central node via a point-to-point link?

Star topology Signup and view all the answers

What places large demands on the central node in a star topology LAN configuration?

High processing power Signup and view all the answers

What is a key advantage of the star configuration in LANs for PABX exchanges?

Easy integration of voice and data traffic Signup and view all the answers

Which LAN topology requires no switches or repeaters?

Bus Signup and view all the answers

In a RING topology, how do communicating devices attach?

At repeaters Signup and view all the answers

What is a characteristic of the BUS network in terms of flexibility?

Flexible with easy addition of new devices Signup and view all the answers

Which LAN topology's transmission medium bandwidth is shared amongst attached devices by the access protocol?

Bus Signup and view all the answers

What is required of all attached devices in a BUS network after processing and packetization?

Packetization and access control Signup and view all the answers

In a RING topology, what needs to be switched in if a node fails or a new node is to be attached?

Bypass circuitry Signup and view all the answers

What type of access protocol is described when information revolves around the whole ring and is removed by the sender?

Random Access Signup and view all the answers

What is the main advantage of hub networks with passive power splitting?

Shared bandwidth Signup and view all the answers

Which type of LAN access method involves channels being allocated on a static basis?

Fixed Assignment Signup and view all the answers

In a hub network with collapsed wiring, what topology is it equivalent to?

Ring Signup and view all the answers

What type of access method allows the entire bandwidth to be accessed randomly or contended for?

Random Access Signup and view all the answers

Why is routing not required in LAN topologies?

Because of shared transmission facilities Signup and view all the answers