Computer And Mobile Networks at Birkbeck College, University Of London | Flashcards & Summaries

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Framing consists of...

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combinining bits into bytes, and bytes into frames, which are then encapsulated and passed down the layer to the physical layer. 

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What is route thorugh the network

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A.lso known as path thogh th enetwork, a route is The sequence of communication links and packet switches traversed by a packet from the sending end system to the receiving end system

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DNS

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Domain Name service

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what is a datagram?

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A data packet

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Describe the process of multiplexing

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an application packs up its data in the appropriate application protocol and passes it to the transport layer through its socket interface. The transport layer adds headers determined by the type of service selected (TCP or UCP)

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List several popular messaging apps. Do they use the same protocols as SMS?


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A list of several popular messaging apps: WhatsApp, Facebook Messenger, WeChat, and Snapchat. These apps use different protocols than SMS.

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MIME type

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  • Multipurpose Internet Mail Extensions
  • used to identify the content type of mail messages so that the correct encoding and decoding can be applied
  • These days the header protocol can be found embedded in documents to identify their type to a browser
  • These are some examples
  • Text, image, audio, video, model
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Network design

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Consists of two desings:

Physical

Logical

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Repeater

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A repeater extends the distance between two nodes

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To send a message you need

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A transmitter

transmission medium

A receiver


the sender and the receiver must be identified. A common language or data format must be agreed to go across any medium,  whether that's copper cable, fibre or a Wi-Fi signal.

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How do we measure the tranmission rate of a communication link?

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bits/second

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Protocols

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control the sending and receiving of information within the internet

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Beispielhafte Karteikarten für deinen Computer and mobile networks Kurs an der Birkbeck College, University of London - von Kommilitonen auf StudySmarter erstellt!

Q:

Framing consists of...

A:

combinining bits into bytes, and bytes into frames, which are then encapsulated and passed down the layer to the physical layer. 

Q:

What is route thorugh the network

A:

A.lso known as path thogh th enetwork, a route is The sequence of communication links and packet switches traversed by a packet from the sending end system to the receiving end system

Q:

DNS

A:

Domain Name service

Q:

what is a datagram?

A:

A data packet

Q:

Describe the process of multiplexing

A:

an application packs up its data in the appropriate application protocol and passes it to the transport layer through its socket interface. The transport layer adds headers determined by the type of service selected (TCP or UCP)

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Q:

List several popular messaging apps. Do they use the same protocols as SMS?


A:

A list of several popular messaging apps: WhatsApp, Facebook Messenger, WeChat, and Snapchat. These apps use different protocols than SMS.

Q:

MIME type

A:
  • Multipurpose Internet Mail Extensions
  • used to identify the content type of mail messages so that the correct encoding and decoding can be applied
  • These days the header protocol can be found embedded in documents to identify their type to a browser
  • These are some examples
  • Text, image, audio, video, model
Q:

Network design

A:

Consists of two desings:

Physical

Logical

Q:

Repeater

A:

A repeater extends the distance between two nodes

Q:

To send a message you need

A:

A transmitter

transmission medium

A receiver


the sender and the receiver must be identified. A common language or data format must be agreed to go across any medium,  whether that's copper cable, fibre or a Wi-Fi signal.

Q:

How do we measure the tranmission rate of a communication link?

A:

bits/second

Q:

Protocols

A:

control the sending and receiving of information within the internet

Computer and mobile networks

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