Quiz 1

Question 1

A collection of computing devices connected in
order to communicate and share resources

Answer 1

Computer Network

Question 2

Connections between computing devices can be
_______ using wires or cables or _____ using
radio waves

Answer 2

Physical, wireless

Question 3

Key Functions of a Computer Network

Answer 3

1. Communication
   a. data transfer
   b. remote access
2. Resource Sharing
   a. hardware sharing
   b. software sharing
3. Information Access
   a. internet connectivity
   b. database access
4. Centralized Management
   a. network administration
   b. security

Question 4

Facilitates the transmission of data between devices, such as files, emails, and messages.

Answer 4

data transfer

Question 5

Allows users to access and control
devices and resources from remote locations.

Answer 5

remote access

Question 6

Enables the sharing of physical
resources like printers, scanners, and storage devices.

Answer 6

hardware sharing

Question 7

Allows multiple users to access and
utilize shared software applications.

Answer 7

software sharing

Question 8

Provides access to the vast
amount of information available on the internet.

Answer 8

internet connectivity

Question 9

Enables access to centralized
databases for data storage and retrieval.

Answer 9

database access

Question 10

Allows for centralized management and monitoring of network devices and resources.

Answer 10

network administration

Question 11

Enhances security measures to protect network
resources from unauthorized access.

Answer 11

security

Question 12

Any device on a network

Answer 12

node

Question 13

The speed with which data is moved from
one place to another on a network

Answer 13

throughput

Question 14

refers to the amount of data that can be
transmitted and received during a specific period of time.

Answer 14

bandwidth

Question 15

measures delay. Delay is simply the time taken for a data packet to reach its destination after being sent.

Answer 15

latency

Question 16

is any computer hardware or software device
that requests access to a service provided by a server.

Answer 16

client

Question 17

is a computer program or device that provides a
service to another computer program and its user, also known as the client.

Answer 17

server

Question 18

In technical terms, bandwidth is the
_______ that a network
connection can support. It is usually measure in ______

Answer 18

data transfer rate, bits per second(bps)

Question 19

In the context of data, throughput is the _______ that is sent over a network. It is also measured in _____.

Answer 19

actual data transfer rate, bits per second (bps)

Question 20

It’s the time it takes for a packet
of data to travel from the source
to the destination.

Answer 20

latency

Question 21

A set of rules that defines how data is formatted and processed on a network; i.e., rules that allow client/server interaction

Answer 21

protocol

Question 22

A computer that stores and manages files for multiple users on a network

Answer 22

file server

Question 23

A computer dedicated to responding to requests (from the browser client) for web pages

Answer 23

web server

Question 24

a physical arrangement through which various endpoints and links in an enterprise network communicate with each other.

Answer 24

network topology

Question 25

A simple topology that directly links two nodes and reserves the entire bandwidth of the connection for them to communicate with one another.

Answer 25

point-to-point

Question 26

All the nodes are linked using a single cable with a terminator on both ends. This configuration sees one main cable acting as the backbone for the whole network.

Answer 26

bus topology

Question 27

Each node is linked with its neighbor to form a closed network. This configuration sees the data move from one node to another, either unidirectionally or bidirectionally.

Answer 27

ring topology

Question 28

All nodes are connected to a central hub using a communication link.

Answer 28

star topology

Question 29

nodes are arranged in a configuration that resembles a tree’s leaves, branches, and trunk

Answer 29

tree topology

Question 30

all the nodes are interconnected and can send and receive their data and relay data from other nodes.

Answer 30

mesh topology

Question 31

Features characteristics of multiple other topologies.

Answer 31

hybrid topology

Question 32

A network that connects local-area networks over a potentially large geographic distance

Answer 32

wide area network (wan)

Question 33

The communication infrastructures that have been developed in and around large cities

Answer 33

metropolitan area network (man)

Question 34

a collection of devices connected together in one physical location, such as a building, office, or home.

Answer 34

local area network (lan)

Question 35

A wide area network that spans the planet

Answer 35

interconnected networks (internet)

Question 36

One particular set up to handle all communication going between that LAN and other networks

Answer 36

gateway

Question 37

A set of high-speed networks that carry Internet traffic.

Answer 37

internet backbone

Question 38

the first Internet Exchange Point in the Philippines. It is a joint project of Philippine Internet Service Providers

Answer 38

Philippine Internet Exchange

Question 39

A company that provides other companies or individuals with access to the Internet

Answer 39

internet service provider

Question 40

2 Categories of Transmission Media

Answer 40

1. guided (wired) 2. unguided (wireless)

Question 41

It is also referred to as Wired or Bounded transmission media.

Answer 41

guided media

Question 42

3 Major Types of Guided Media

Answer 42

1. twisted pair cable 2. coaxial cable 3. fiber optic cable

Question 43

This type of cable has the ability to block interference and does not depend on a physical shield for this purpose. It is used for telephonic applications.

Answer 43

unshielded twisted pair (utp)

Question 44

This type of cable consists of a special jacket to block external interference. It is used in fast-data-rate Ethernet and in voice and data channels of telephone lines.

Answer 44

shielded twisted pair (stp)

Question 45

It has an outer plastic covering containing 2 parallel conductors each having a separate insulated protection cover.

Answer 45

coaxial cable

Question 46

It uses the concept of reflection of light through a core made up of glass or plastic. The core is surrounded by a less dense glass or plastic covering called the _____

Answer 46

fiber optic cable, cladding

Question 47

RJ45 stands for

Answer 47

registered jack 45

Question 48

T568-A

Answer 48

white green, green, white orange blue, white blue, orange, white brown, brown

Question 49

T568-B

Answer 49

white orange, orange, white green, blue, white blue, orange, white brown, brown

Question 50

a description for layered communications and computer network protocol and transmission design

Answer 50

OSI (Open System Interconnection reference) Model

Question 51

provides a standardized approach to understanding how data is transmitted across networks

Answer 51

Open System Interconnection reference model

Question 52

a conceptual model and not a physical implementation

Answer 52

open system interconnection reference model

Question 53

7 layers of the OSI model

Answer 53

application, presentation, session, transport, network, data link, physical

Question 54

responsible for the transmission of raw bit streams over physical medium

Answer 54

physical layer

Question 55

physical layer functions

Answer 55

1. bit transmission 2. physical connection 3. signal encoding 4. bit synchronization 5. error detection

Question 56

converts digital data into electrical signals or light pulses suitable for transmission

Answer 56

bit transmission

Question 57

defines the physical characteristics of the network such as cables, connectors and interfaces

Answer 57

physical connection

Question 58

determines how bits are represented as signals

Answer 58

signal encoding

Question 59

ensures that the sender and receiver are synchorized

Answer 59

bit synchronization

Question 60

implements basic error detection techniques like parity checking

Answer 60

error detection

Question 61

responsible for reliable data transfer between nodes on a network segment

Answer 61

data link

Question 62

data link functions

Answer 62

1. framing 2. physical addressing 3. error detection and correction 4. flow control

Question 63

divides data into smaller units called frames. adds a header and trailer to each frame, containing control info like source and destination address

Answer 63

framing

Question 64

assigns unique physical addresses (mac address) to each network interface cards (nic).

Answer 64

physical addressing

Question 65

employs techniques like cyclic redundancy check (crc) to detect errors in transmitted data

Answer 65

error detection and correction

Question 66

regulates the rate of data transmission to prevent the receiver from being overwhelmed

Answer 66

flow control

Question 67

responsible for logical addressing and routing data packets across different networks

Answer 67

network layer

Question 68

network layer functions

Answer 68

1. logical addressing 2. packet switching 3. routing 4. congestion control

Question 69

assigns unique logical addresses (ip addresses) to each device on a network

Answer 69

logical addressing

Question 70

breaks data into smaller packets for efficient transmission

Answer 70

packet switching

Question 71

determines the best path for packets to travel from source to destination

Answer 71

routing

Question 72

rip

Answer 72

routing information protocol

Question 73

ospf

Answer 73

open shortest path first

Question 74

bgp

Answer 74

border gateway protocol

Question 75

manages network traffic to prevent congestion and ensure efficient data flow

Answer 75

congestion control

Question 76

fundamental protocol used to route data packets across the internet

Answer 76

ipv4

Question 77

assigns unique addresses to devices connected to the network, enabling communication between them.

Answer 77

ip (internet protocol)

Question 78

cidr

Answer 78

classless inter-domain routing

Question 79

vlsm

Answer 79

variable length subnet mask

Question 80

flsm

Answer 80

fixed length subnet mask

Question 81

iana

Answer 81

internet assigned numbers authority

Question 82

the practice of dividing a network into two or more networks

Answer 82

subnetting

Question 83

offers a compact and extremely useful way to represent ip address and their associated subnet mask

Answer 83

cidr notation