18 Questions
What is the main function of the application layer in IP networking?
Establish logical connections between applications
Why are mesh networks not generally fully interconnected?
To avoid excessive number of links
What is a typical characteristic of hierarchical networks in public telephone systems?
Some connections out of the hierarchy
In LANs, which topology involves connecting each device to a central node via a point-to-point link?
Star topology
What places large demands on the central node in a star topology LAN configuration?
High processing power
What is a key advantage of the star configuration in LANs for PABX exchanges?
Easy integration of voice and data traffic
Which LAN topology requires no switches or repeaters?
Bus
In a RING topology, how do communicating devices attach?
At repeaters
What is a characteristic of the BUS network in terms of flexibility?
Flexible with easy addition of new devices
Which LAN topology's transmission medium bandwidth is shared amongst attached devices by the access protocol?
Bus
What is required of all attached devices in a BUS network after processing and packetization?
Packetization and access control
In a RING topology, what needs to be switched in if a node fails or a new node is to be attached?
Bypass circuitry
What type of access protocol is described when information revolves around the whole ring and is removed by the sender?
Random Access
What is the main advantage of hub networks with passive power splitting?
Shared bandwidth
Which type of LAN access method involves channels being allocated on a static basis?
Fixed Assignment
In a hub network with collapsed wiring, what topology is it equivalent to?
Ring
What type of access method allows the entire bandwidth to be accessed randomly or contended for?
Random Access
Why is routing not required in LAN topologies?
Because of shared transmission facilities
Test your knowledge on the different layers in IP networking and various network topologies such as mesh networks and hierarchical networks. Learn about the structure and connectivity aspects of these networks.
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