Chapter 3: Data Communication and the Internet

Question 1

consist of 2 or more computer connected to gather, and can communicate and share resources.

Answer 1

Network

Question 2

2 CLASSIFICATIONS OF NETWORK

Answer 2

1. Based on Transmission Media
2. Based on Network Size

Question 3

2 CLASSIFICATIONS OF NETWORK BASED ON TRANSMISSION MEDIA

Answer 3

1. Wired
2. Wireless

Question 4

TWO MAIN CATEGORIES OF TRANSMISSION MEDIA

Answer 4

1. Guided
2. Unguided

Question 5

Transmission media like wires and cables

Answer 5

Guided

Question 6

Transmission media that are wireless, like radio and microwave

Answer 6

Unguided

Question 7

3 TYPES OF CABLES (WIRED TRANSMISSION MEDIA)

Answer 7

1. Twisted-Pair Cables
2. Coaxial Cables
3. Fiber Optic Cables

Question 8

2 TYPES OF TWISTED PAIR CABLES

Answer 8

• Unshielded-Twisted-Pair (UTP)
• Shielded-Twisted-Pair (UTP)

Question 9

Cables that typically are wrapped inside a plastic cover.

Answer 9

Unshielded-Twisted-Pair (UTP)

Question 10

Cable wire which has a metal foil or braided metal mesh cover that encases each pair of insulated wires.

Answer 10

Shielded Twisted-Pair (STP)

Question 11

wires that carry signal of higher frequency (100 – 500 MHz).

Answer 11

Coaxial Cables

Question 12

• it has a metallic wrapping that served both as a shield against noise and as a second conductor.

Answer 12

Coaxial Cables

Question 13

is a technologically advances as compares to Twisted Pair and Coaxial Cable.

Answer 13

Fiber Optic Cables

Question 14

Cable that transmits pulsating beams of light.

Answer 14

Fiber Optic Cables

Question 15

4 TYPES OF WIRELESS TRANSMISSION MEDIA

Answer 15

1. Terrestrial Microwave
2. Communication Satellites
3. Cellular and Personal Communication Service (PCS) System
4. Bluetooth

Question 16

use earth base transmitter and receiver.

Answer 16

Terrestrial Microwave

Question 17

these are earth orbiting system that uses microwave radio as their communication medium.

Answer 17

Communication Satellites

Question 18

uses several radio communication technologies.

Answer 18

Cellular and Personal Communication Service (PCS) System

Question 19

GENERATION OF CELLULAR AND PCS SYSTEM

Answer 19

1G – Voice Only (2.4Kbps)

2G – SMS and MMS (50kbps)

3G – More Data, Video Calling, and Mobile Internet (2Mbps)

4G – The current Standard (100Mbps)

4G LTE – Long Term Evolution (300Mbps)

5G – Up to 20GBps per second.

Question 20

a short-range wireless technology. Is an open wireless protocol for data exchange over short distance.

Answer 20

Bluetooth

Question 21

2 NETWORK SIZE

Answer 21

1. Local Area Network (LAN)
2. Wide Area Network (WAN)

Question 22

is a small and short distance network.

Answer 22

Local Area Network (LAN)

Question 23

a network that uses long-range telecommunication links to connect 2 or more LAN / computer housed in different placed apart.

Answer 23

Wide Area Network (WAN)

Question 24

refers the physical connection of wires that connect the nodes of the network.

Answer 24

Network Topology

Question 25

4 TYPES OF NETWORKS TOPLOGY

Answer 25

1. Linear Bus Topology 2. Star Topology 3. Ring Topology 4. Hybrid Topology

Question 26

is a world-wide collection of computer networks.

Answer 26

Internet

Question 27

is one of the primary uses of the internet. It allows one user to sent a text-based message to another.

Answer 27

Electronic Mail

Question 28

is a method for transferring files from one computer on the internet to another.

Answer 28

File Transfer Protocol

Question 29

takes access a step further, it provides a hypertext interface.

Answer 29

World Wide Web Servers

Question 30

is the foundation of the WWW. All documents, or pages, on the Web are linked together in hypertext architecture.

Answer 30

Hypertext Markup Language (HTML)

Question 31

is a unique identifier of a webpage.

Answer 31

Uniform Resource Locator (URL)

Question 32

is the standard data transmission protocol for the internet.

Answer 32

Transmission Control Protocol TCP/IP

Question 33

is a system used to connect various computer within the internet.

Answer 33

Internet Protocol (IP)

Question 34

is an identification label that defined a real of administrative autonomy, authority, or control in the internet.

Answer 34

Domain Names

Question 35

- Are host names that identify the IP resources such as websites.

Answer 35

Domain Names