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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
is the actual data transfer rate that is sent over a network. It is also measured in bits per second (bps)
Throughput
26
Various factors affecting throughput
network traffic, processing power, packet loss, etc.
27
is crucial in use cases where time is of the essence, and even a slight delay can be detrimental to the user experience.
Latency
28
is the reality of performance, which is often less than the theoretical maximum due to real-world constraints.
Throughput
29
Computer networks have opened up an entire frontier in the world of computing called the
client/server model
30
A set of rules that defines how data is formatted and processed on a network
Protocol
31
A computer that stores and manages files for multiple users on a network
File server
32
A computer dedicated to responding to requests (from the browser client) for web pages
Web server
33
a physical arrangement through which various endpoints and links in an enterprise network communicate with each other.
Network Topology
34
Some common physical network topologies used by organizations include
point to point, bus, ring, star, tree, mesh, and hybrid topology networks
35
All the nodes are linked using a single cable with a terminator on both ends.
Bus topology
36
A simple topology that directly links two nodes and reserves the entire bandwidth of the connection for them to communicate with one another.
Point to Point topology
37
This rely on a cable or wire that connects the two endpoints.
point-to-point connections
38
This configuration sees one main cable acting as the backbone for the whole network.
Bus topology
39
Each node is linked with its neighbor to form a closed network.
Ring Topology
40
This configuration sees the data move from one node to another, either unidirectionally or bidirectionally.
Ring Topology
41
Each networked device is connected to two others, like points that form a circle.
Ring Topology
42
This describes a segment of information (like a packet) sent through that circle.
Token
43
All nodes are connected to a central hub using a communication link
Star Topology
44
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.
Star Topology
45
nodes are arranged in a configuration that resembles a tree’s leaves, branches, and trunk.
Tree Topology
46
Endpoints are connected to mid-level nodes linked to the backbone connection that links multiple mid-level nodes.
Tree Topology
47
all the nodes are interconnected and can send and receive their data and relay data from other nodes.
Mesh Topology
48
This is usually reserved for critical networks as they are extremely costly to implement and challenging to maintain.
Mesh Topology
49
Features characteristics of multiple other topologies.
Hybrid Topology
50
Two most commonly used hybrid topologies are
star-ring and star-bus
51
Types of Networks
Wide-area network (WAN) Metropolitan-area network (MAN) Local-area network (LAN)
52
The communication infrastructures that have been developed in and around large cities
Metropolitan-area network (MAN)
53
A network that connects local-area networks over a potentially large geographic distance
Wide-area network (WAN)
54
a collection of devices connected together in one physical location, such as a building, office, or home.
Local-area network (LAN)
55
A wide area network that spans the planet
Internet
56
One particular set up to handle all communication going between that LAN and other networks
Gateway
57
is the first Internet Exchange Point in the Philippines.
Philippine Internet eXchange
58
A set of high-speed networks that carry Internet traffic
Internet backbone
59
A company that provides other companies or individuals with access to the Internet
ISP
60
ISP
Internet service provider
61
ISL
Inter Satellite Link
62
2 Categories of Transmission Media
Guided Media (Wired) Unguided Media (Wireless)
63
3 Major Types of Guided Media
* Twisted Pair Cable * Coaxial Cable * Fiber Optic Cable
64
3 Major Types of Unguided Media
* Radio * Satellite * Infrared
65
It is also referred to as Wired or Bounded transmission media.
Guided Media
66
In Guided Media, signals being transmitted are directed and confined in a narrow pathway by
physical links
67
This type of cable has the ability to block interference and does not depend on a physical shield for this purpose.
UTP
68
It is used for telephonic applications.
UTP
69
UTP
Unshielded Twisted Pair
70
This type of cable consists of a special jacket to block external interference.
STP
71
It is used in fast-data-rate Ethernet and in voice and data channels of telephone lines.
STP
72
STP
Shielded Twisted Pair
73
It has an outer plastic covering containing 2 parallel conductors each having a separate insulated protection cover.
Coaxial Cable
74
transmits information in two modes: Baseband mode(dedicated cable bandwidth) and Broadband mode(cable bandwidth is split into separate ranges).
Coaxial Cable
75
Cable TVs and analog television networks widely use
Coaxial Cable
76
It uses the concept of reflection of light through a core made up of glass or plastic.
Fiber Optic Cable
77
In a Fiber-optic Cable, their core is surrounded by a less dense glass or plastic covering called the
Cladding
78
It is used for transmission of large volumes of data.
Fiber Optic Cable
79
RJ45
Registered Jack-45
80
An 8-pin/8-position plug or jack is commonly used to connect computers onto Ethernet-based local area networks (LAN)
RJ45
81
Two wiring schemes ______ are used to terminate the twisted-pair cable onto the connector interface.
T568A and T568B
82
are the termination standards used by Internet backbone infrastructure, Internet providers and all the way down to homeowners or businesses.
T568A and T568B
83
Straight-Through
White Orange Orange White Green Blue White Blue Green White Brown Brown
84
Crossover
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 (14 decks)

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