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3rd Year_2nd Sem > Networks 1st PDF > Flashcards

Networks 1st PDF Flashcards

1
Q

How many devices do you need to form a network?

A

2

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2
Q

This is a collection of computing devices connected in order to communicate and share resources

A

Computer network

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3
Q

Connections between computing devices can be physical using wires or cables or wireless using radio waves

A

Computer network

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4
Q

Key Functions of a Computer Network

A

Communication
Resource Sharing
Information Access
Centralized Management

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5
Q

Communication:
Resource Sharing:
Information Access:
Centralized Management:

A

Communication:
*Data Transfer
*Remote Access

Resource Sharing:
*Hardware Sharing
*Software Sharing

Information Access:
*Internet Connectivity
*Database Access

Centralized Management:
*Network Administration
*Security

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6
Q

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

A

Remote Access

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7
Q

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

A

Network Administration

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8
Q

Allows multiple users to access and utilize shared software applications.

A

Software Sharing

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9
Q

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

A

Internet Connectivity

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10
Q

Enhances security measures to protect network resources from unauthorized access.

A

Security

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11
Q

Enables access to centralized databases for data storage and retrieval

A

Database Access

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12
Q

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

A

Data Transfer

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13
Q

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

A

Hardware Sharing

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14
Q

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

A

Client

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15
Q

Any device on a network

A

Node

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16
Q

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

A

Bandwidth

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17
Q

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

A

Throughput

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18
Q

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

A

Latency

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19
Q

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

A

Server

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20
Q

Defines how fast the data can travel

A

Latency

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21
Q

is the data transfer rate that a network connection can support.

A

Bandwidth

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22
Q

Bandwidth is usually measured in?

A

bits per second (bps)

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23
Q

is the rate at which water moves through the pipe successfully.

A

Throughput

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24
Q

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

A

Latency

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25
Q

is the actual data transfer rate that is sent over a network. It is also measured in bits per second (bps)

A

Throughput

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26
Q

Various factors affecting throughput

A

network traffic, processing power, packet loss, etc.

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27
Q

is crucial in use cases where time is of the essence, and even a slight delay can be detrimental to the user experience.

A

Latency

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28
Q

is the reality of performance, which is often less than the theoretical maximum due to real-world constraints.

A

Throughput

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29
Q

Computer networks have opened up an entire frontier in the world of computing called the

A

client/server model

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30
Q

A set of rules that defines how data is formatted and processed on a network

A

Protocol

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31
Q

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

A

File server

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32
Q

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

A

Web server

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33
Q

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

A

Network Topology

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34
Q

Some common physical network topologies used by organizations include

A

point to point, bus, ring, star, tree, mesh, and hybrid topology networks

35
Q

All the nodes are linked using a single cable with a terminator on both ends.

A

Bus topology

36
Q

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

A

Point to Point topology

37
Q

This rely on a cable or wire that connects the two endpoints.

A

point-to-point connections

38
Q

This configuration sees one main cable acting as the backbone for the whole network.

A

Bus topology

39
Q

Each node is linked with its neighbor to form a closed network.

A

Ring Topology

40
Q

This configuration sees the data move from one node to another, either unidirectionally or bidirectionally.

A

Ring Topology

41
Q

Each networked device is connected to two others, like points that form a circle.

A

Ring Topology

42
Q

This describes a segment of information (like a packet) sent through that circle.

A

Token

43
Q

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

A

Star Topology

44
Q

Each node needs a separate wire to establish a point-to-point connection with the hub, which functions as a server to control and manage the entire network.

A

Star Topology

45
Q

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

A

Tree Topology

46
Q

Endpoints are connected to mid-level nodes linked to the backbone connection that links multiple mid-level nodes.

A

Tree Topology

47
Q

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

A

Mesh Topology

48
Q

This is usually reserved for critical networks as they are
extremely costly to implement and challenging to maintain.

A

Mesh Topology

49
Q

Features characteristics of multiple other topologies.

A

Hybrid Topology

50
Q

Two most commonly used hybrid topologies are

A

star-ring and star-bus

51
Q

Types of Networks

A

Wide-area network (WAN)
Metropolitan-area network (MAN)
Local-area network (LAN)

52
Q

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

A

Metropolitan-area network (MAN)

53
Q

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

A

Wide-area network (WAN)

54
Q

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

A

Local-area network (LAN)

55
Q

A wide area network that spans the planet

A

Internet

56
Q

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

A

Gateway

57
Q

is the first Internet Exchange Point in the Philippines.

A

Philippine Internet eXchange

58
Q

A set of high-speed networks that carry Internet traffic

A

Internet backbone

59
Q

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

A

ISP

60
Q

ISP

A

Internet service provider

61
Q

ISL

A

Inter Satellite Link

62
Q

2 Categories of Transmission Media

A

Guided Media (Wired)
Unguided Media (Wireless)

63
Q

3 Major Types of Guided
Media

A
  • Twisted Pair Cable
  • Coaxial Cable
  • Fiber Optic Cable
64
Q

3 Major Types of Unguided
Media

A
  • Radio
  • Satellite
  • Infrared
65
Q

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

A

Guided Media

66
Q

In Guided Media, signals being transmitted are directed and confined in a narrow pathway by

A

physical links

67
Q

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

A

UTP

68
Q

It is used for telephonic applications.

A

UTP

69
Q

UTP

A

Unshielded Twisted Pair

70
Q

This type of cable consists of a special jacket to block external interference.

A

STP

71
Q

It is used in fast-data-rate Ethernet and in voice and data channels of telephone lines.

A

STP

72
Q

STP

A

Shielded Twisted Pair

73
Q

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

A

Coaxial Cable

74
Q

transmits information in two modes: Baseband mode(dedicated cable bandwidth) and Broadband mode(cable bandwidth is split into separate ranges).

A

Coaxial Cable

75
Q

Cable TVs and analog television networks widely use

A

Coaxial Cable

76
Q

It uses the concept of reflection of light through a core made up of glass or plastic.

A

Fiber Optic Cable

77
Q

In a Fiber-optic Cable, their core is surrounded by a less dense glass or plastic covering called the

A

Cladding

78
Q

It is used for transmission of large volumes of data.

A

Fiber Optic Cable

79
Q

RJ45

A

Registered Jack-45

80
Q

An 8-pin/8-position plug or jack is commonly used to connect computers onto Ethernet-based local area networks (LAN)

A

RJ45

81
Q

Two wiring schemes ______ are used to terminate the twisted-pair cable onto the connector interface.

A

T568A and T568B

82
Q

are the termination standards used by Internet backbone infrastructure, Internet providers and all the way down to homeowners or businesses.

A

T568A and T568B

83
Q

Straight-Through

A

White Orange
Orange
White Green
Blue
White Blue
Green
White Brown
Brown

84
Q

Crossover

A

White Orange
Orange
White Green
Blue
White Blue
Green
White Brown
Brown

White Green
Green
White Orange
White Brown
Brown
Orange
Blue
White Blue

3rd Year_2nd Sem (5 decks)

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