Network Criteria and Performance Quiz

Play an AI-generated podcast conversation about this lesson

What is the primary purpose of standards like the OSI model and the Internet model in computer networks?

To facilitate communication between heterogeneous networks (correct)

To establish a five-layer network structure

To ensure all networks are owned by the same entity

To define the size of local area networks

Which model, based on the text, defines a seven-layer network structure?

LAN model

WAN model

OSI model (correct)

Internet model

What determines whether a network is categorized as a LAN or a WAN?

The size of the area covered by the network (correct)

The type of technology used in the network

The speed of data transmission in the network

The number of devices connected to the network

Which of the following best describes a LAN?

Privately owned and links devices within a single office or building Signup and view all the answers

What is the typical size limit for a LAN according to the text?

Less than 2 miles Signup and view all the answers

In terms of size, what category do metropolitan area networks generally fall into?

Between tens to hundreds of miles Signup and view all the answers

What is the main difference between transit time and response time?

Transit time is the time for a message to travel, while response time is the time for an inquiry to be answered. Signup and view all the answers

What are the two main criteria used to evaluate the performance of a network?

Throughput and delay Signup and view all the answers

How does sending more data affect network performance in terms of throughput and delay?

Increases throughput but also increases delay due to traffic congestion. Signup and view all the answers

What factors can affect the performance of a network according to the text?

Number of users, type of transmission medium, hardware capabilities, and software efficiency Signup and view all the answers

How is network reliability measured according to the text?

By frequency of failure, time for link recovery, and network's robustness Signup and view all the answers

Why are throughput and delay often considered contradictory criteria in network evaluation?

Increasing one usually leads to a decrease in the other due to traffic congestion. Signup and view all the answers

What is a practical example of a mesh topology mentioned in the text?

Telephone regional offices connecting to one another Signup and view all the answers

How does a star topology differ from a mesh topology?

A star topology has a central controller for data exchange. Signup and view all the answers

Why is a star topology less expensive than a mesh topology, as per the text?

Star topologies can connect to any number of devices with fewer links. Signup and view all the answers

What happens if one link fails in a star topology, according to the text?

Only that link is affected. Signup and view all the answers

What is the maximum number of characters or symbols that can be represented by Unicode?

65536 characters Signup and view all the answers

In a mesh topology with six devices, how many cables are needed in total?

12 cables Signup and view all the answers

What happens if one station in a ring topology is unplugged?

The network continues to function normally Signup and view all the answers

Which application is more sensitive to delay when using the Internet?

Sending an e-mail Signup and view all the answers

Why are standards needed in communication systems?

To ensure interoperability and compatibility Signup and view all the answers

If you have two computers connected by an Ethernet hub at home, is this setup considered a LAN, MAN, or WAN?

LAN Signup and view all the answers

What distinguishes an internet from a network?

An internet consists of interconnected networks while a network is a group of connected devices. Signup and view all the answers

When did the Internet as we know it today come into being?

1969 Signup and view all the answers

What are examples of activities that can be done via the Internet, based on the text?

Sending e-mail, paying utility bills, and booking hotel reservations Signup and view all the answers

How many interconnected networks make up the Internet?

Hundreds of thousands Signup and view all the answers

What type of devices compose a network in computing terms?

Computers and printers Signup and view all the answers

Which sector or organization extensively uses the Internet based on the text?

Government agencies, schools, research facilities Signup and view all the answers