30 Questions
What is a computer network?
A system of interconnected devices governed by protocols to share data and resources.
What is a point-to-point link in a computer network?
A connection between individual pairs of machines.
What is the significance of finding routes in point-to-point networks?
To find good routes is important in point-to-point networks.
What is a PAN typically limited to?
Within 10 meters or 33 feet
What are the two important dimensions of transmission technologies?
Transmission technology and scale.
What is the primary purpose of a Bluetooth connection?
To connect peripherals to a computer wirelessly
What is a LAN typically used for?
To share resources and exchange information
What is a packet in the context of computer networks?
A short message sent over the network.
What is another term for a PAN?
Wireless Personal Area Network (WPAN)
What is the purpose of protocols in a computer network?
To govern the sharing of data and resources.
What is a common challenge faced by new computer users?
Finding the right cables
What type of network operates within and nearby a single building?
Local Area Network (LAN)
What happens when a connection is established between the sender, receiver, and subnet?
They conduct a negotiation about the parameters to be used.
What is another name for a connection with associated resources?
Circuit
When is a reliable connection-oriented service typically used?
For file transfer
What is a limitation of reliable connection-oriented service?
It can introduce transit delays due to acknowledgements
What is a characteristic of message sequences in reliable connection-oriented service?
Messages arrive as distinct messages
Why is reliable connection-oriented service not suitable for some applications?
It introduces transit delays due to acknowledgements
What happens when the request packet arrives at the server machine?
The server is unblocked to handle the request
What does the client execute to terminate the connection?
DISCONNECT
What happens when the server receives the DISCONNECT packet?
It acknowledges the client and releases the connection
What is the purpose of service primitives?
To define the operations a layer can provide to the layer above
What is the relationship between services and protocols?
Services are provided by protocols
What is the purpose of the OSI reference model?
To provide a framework for network architecture
What is the primary purpose of a MAN?
To interconnect several local area networks
What is a common example of a MAN?
A cable television network in a city
What is WiMAX?
A type of MAN
What is the main difference between a MAN and a WAN?
The geographical area covered
What is the purpose of a WAN?
To connect different networks, including LAN and MAN
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
Learn about the process of establishing connections in computer networks, including parameter negotiation and circuit establishment.
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