Lesson 6 (Part 2): Computer Network and Telecommunications

Question 1

The electronic transmitting over distances of information has become almost inseparable from computers is known as ___________________.

Answer 1

Telecommunications

Question 2

are the way of transmitting information over a distance by electronic means. Details can take the form of voice calls, data, email, pictures, or video

Answer 2

Telecommunications

Question 3

Components of Telecommunications

Answer 3

Terminals
Computers
Telecommunications links
Telecommunications equipment
Telecommunications software

Question 4

• The mode of transmission is the transfer of data between two computers.
• It is also known as a mode of communication.

Answer 4

Computer Network Transmission Modes

Question 5

Three Types of Transmission Mode

Answer 5

Simplex Mode
Half-Duplex Mode
Full-Duplex Mode

Question 6

The data is only distributed in one way, from one device to another.

Answer 6

Simplex Mode

Question 7

Both forms can be conducted in _____________ transmission, which means that if two devices are linked to ______________ transmission mode, both can transmit and receive data, but not at the same time.

Answer 7

Half-Duplex Mode

Question 8

The linked devices will both send and receive data simultaneously in ______________. An example of a complete ________________ where we can talk simultaneously is the cell phone we use.

Answer 8

Full-Duplex Mode

Question 9

A network of computers consists of software and hardware used to transmit and retrieve data from one device to another. Hardware’s function is to show the physical equipment needed to transmit and receive data, while software determines the collection of instructions that are used for data transmission by hardware equipment.

Answer 9

Computer Network Models

Question 10

Three Main Components of a Computer Network Model

Answer 10

Sender
Receiver
Carrier

Question 11

it stands for ________________________ model.
- It determines how data is sent to another computer from one computer.

Answer 11

Open system interconnection model(OSI)

Question 12

Seven Layers of OSI Model

Answer 12

Physical Layer
Data Link Layer
Network Layer
Transport Layer
Session Layer
Presentation Layer
Application Layer

Question 13

TCP/IP stands for ______________________, which can be used to execute protocols over the network.

• There is also a layered architecture in the TCP/IP model that enables fast exchange of data together with the convergence of several protocols. The architecture is identical to the OSI

Answer 13

Transmission control protocol reference model(TCP/IP)

Question 14

Four Layers of TCP/IP Model

Answer 14

Network access layer
Internet layer
Transport layer
Application layer