Computer Networks Connection Establishment

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What is a computer network?

A collection of wireless devices connected to a single network.

A collection of computing devices connected to the internet.

A group of computers connected in a single location.

A system of interconnected devices governed by protocols to share data and resources. (correct)

What is a point-to-point link in a computer network?

A wireless connection between devices.

A connection between multiple devices.

A connection between a device and the internet.

A connection between individual pairs of machines. (correct)

What is the significance of finding routes in point-to-point networks?

To reduce latency in the network.

To increase the network's bandwidth.

To find the shortest path between devices.

To find good routes is important in point-to-point networks. (correct)

What is a PAN typically limited to?

Within 10 meters or 33 feet Signup and view all the answers

What are the two important dimensions of transmission technologies?

Transmission technology and scale. Signup and view all the answers

What is the primary purpose of a Bluetooth connection?

To connect peripherals to a computer wirelessly Signup and view all the answers

What is a LAN typically used for?

To share resources and exchange information Signup and view all the answers

What is a packet in the context of computer networks?

A short message sent over the network. Signup and view all the answers

What is another term for a PAN?

Wireless Personal Area Network (WPAN) Signup and view all the answers

What is the purpose of protocols in a computer network?

To govern the sharing of data and resources. Signup and view all the answers

What is a common challenge faced by new computer users?

Finding the right cables Signup and view all the answers

What type of network operates within and nearby a single building?

Local Area Network (LAN) Signup and view all the answers

What happens when a connection is established between the sender, receiver, and subnet?

They conduct a negotiation about the parameters to be used. Signup and view all the answers

What is another name for a connection with associated resources?

Circuit Signup and view all the answers

When is a reliable connection-oriented service typically used?

For file transfer Signup and view all the answers

What is a limitation of reliable connection-oriented service?

It can introduce transit delays due to acknowledgements Signup and view all the answers

What is a characteristic of message sequences in reliable connection-oriented service?

Messages arrive as distinct messages Signup and view all the answers

Why is reliable connection-oriented service not suitable for some applications?

It introduces transit delays due to acknowledgements Signup and view all the answers

What happens when the request packet arrives at the server machine?

The server is unblocked to handle the request Signup and view all the answers

What does the client execute to terminate the connection?

DISCONNECT Signup and view all the answers

What happens when the server receives the DISCONNECT packet?

It acknowledges the client and releases the connection Signup and view all the answers

What is the purpose of service primitives?

To define the operations a layer can provide to the layer above Signup and view all the answers

What is the relationship between services and protocols?

Services are provided by protocols Signup and view all the answers

What is the purpose of the OSI reference model?

To provide a framework for network architecture Signup and view all the answers

What is the primary purpose of a MAN?

To interconnect several local area networks Signup and view all the answers

What is a common example of a MAN?

A cable television network in a city Signup and view all the answers

What is WiMAX?

A type of MAN Signup and view all the answers

What is the main difference between a MAN and a WAN?

The geographical area covered Signup and view all the answers

What is the purpose of a WAN?

To connect different networks, including LAN and MAN Signup and view all the answers

What is the relationship between a LAN, a MAN, and a WAN?

A LAN is smaller than a MAN, which is smaller than a WAN Signup and view all the answers