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

used for accessing networks

Answer 4

Terminals

Question 5

in charge of processing information

Answer 5

Computer

Question 6

forms a channel wherein information is transmitted from sending device to receiving device

Answer 6

Telecommunication links

Question 7

facilitates the transmission of the information

Answer 7

Telecommunication equipment

Question 8

in-charge in controlling the message transmission over the network

Answer 8

Telecommunication software

Question 9

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

Answer 9

Computer Network Transmission Modes

Question 10

Three Types of Transmission Mode

Answer 10

Simplex Mode
Half-Duplex Mode
Full-Duplex Mode

Question 11

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

Answer 11

Simplex Mode

Question 12

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 12

Half-Duplex Mode

Question 13

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 13

Full-Duplex Mode

Question 14

consists of software and hardware used to transmit and retrieve data from one device to another.

Answer 14

Computer Network Models

Question 15

Three Main Components of a Computer Network Model

Answer 15

Sender
Receiver
Carrier

Question 16

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

Answer 16

Open system interconnection model(OSI)

Question 17

Seven Layers of OSI Model

Answer 17

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

Question 18

bottom most layer and associated with electrical, mechanical, and functional aspect of transmission media

Answer 18

Physical layer

Question 19

ensures the data to be synchronize and enables error detection

Answer 19

Data link layer -

Question 20

responsible for establishing data communication channel between multiple network or devices

Answer 20

Network layer

Question 21

acts as independent layer

Answer 21

Transport layer

Question 22

provides appropriate sessions for user and other entities

Answer 22

Session layer

Question 23

provides appropriate representation of the data

Answer 23

Presentation layer

Question 24

top most layer and responsible for providing user interface between various users and applications

Answer 24

Application layer

Question 25

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 25

Transmission control protocol reference model(TCP/IP)

Question 26

Four Layers of TCP/IP Model

Answer 26

Network access layer
Internet layer
Transport layer
Application layer

Question 27

known as the host of host and responsible for performing the roles of the physical layer, along with the data link layer

Answer 27

Network access layer -

Question 28

also known as network layer, it is responsible for establishing disconnection to send and receive data packets

Answer 28

Internet layer

Question 29

equals to session layer, presentation layer, and application layer

Answer 29

Application layer -