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BSCPE3-01 2nd Sem > CPE 046 > Flashcards

CPE 046 Flashcards

1
Q

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

A

Computer network

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2
Q

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

A

Data Transfer

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3
Q

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

A

Remote Access

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4
Q

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

A

Hardware Sharing

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5
Q

Allows multiple users to access and utilize shared software applications.

A

Software Sharing

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6
Q

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

A

Internet Connectivity

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7
Q

Enables access to centralized
databases for data storage and retrieval.

A

Database Access

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8
Q

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

A

Network Administration

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9
Q

Enhances security measures to protect network
resources from unauthorized access.

A

Security

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10
Q

Key Functions of a Computer Network

A

Communication:
Resource Sharing:
Information Access:
Centralized Management:
Security:

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11
Q

how is hardware (physically) connected?

A

Network Topology

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12
Q

how is a message’s destinations identified?

A

Addressing

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13
Q

should all data be sent in the same fashion?

A

Message Delivery

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14
Q

what path through the network is taken?

A

Routing

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15
Q

Any device on a network

A

Node

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16
Q

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

A

Throughput

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17
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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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 any computer hardware or software device
that requests access to a service provided by a server.

A

Client

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20
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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21
Q

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

*It’s usually measured in bits per
second (bps).

A

bandwidth

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22
Q

is the actual
data transfer rate that is sent over a network.

A

throughput

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23
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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24
Q

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

A

client/server model

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25
Q

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

A

Protocol

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26
Q

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

A

File server

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27
Q

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

A

Web server

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28
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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29
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

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30
Q

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

A

Bus topology

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31
Q

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

A

Ring Topology

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32
Q

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

A

Star Topology

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33
Q

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

A

Tree Topology

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34
Q

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

A

Mesh Topology

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35
Q

Features characteristics of multiple other
topologies. The creation of such a
configuration depends on the requirement of the network.

A

Hybrid Topology

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36
Q

Two most commonly used hybrid topologies
are

A

star-ring and star-bus.

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37
Q

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

A

Wide-area network (WAN)

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38
Q

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

A

Metropolitan-area network (MAN)

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39
Q

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

A

Local-area network (LAN)

40
Q

Types of Networks

A

Internet
Gateway

41
Q

A wide area network that spans the planet

A

Internet

42
Q

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

A

Gateway

43
Q

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

A

Internet backbone

44
Q

is the first Internet Exchange
Point in the Philippines.

A

Philippine Internet
eXchange

45
Q

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

A

Internet service provider (ISP)

46
Q

2 Categories of Transmission Media

A

Guided Media
Unguided Media

47
Q

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

A

Guided Media

48
Q

3 Major Types of Guided
Media

A
  • Twisted Pair Cable
  • Coaxial Cable
  • Fiber Optic Cable
49
Q

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.

A

Unshielded Twisted Pair
(UTP)

50
Q

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.

A

Shielded Twisted Pair (STP)

51
Q

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

A

Coaxial Cable

52
Q

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 cladding. It is used for transmission of
large volumes of data.

A

Fiber Optic Cable

53
Q

RJ45, stands for

A

Registered Jack-45

54
Q

An 8-pin/8-position plug or jack is
commonly used to

A

to connect computers
onto Ethernet-based local area
networks (LAN).

55
Q

are used to terminate
the twisted-pair cable onto the connector
interface.

A

Two wiring schemes–T568A and T568B–

56
Q

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

A

Open System
Interconnection Reference
Model

57
Q

True or False
The osi model is a physical implementation

A

False

58
Q

What are the 7 Layers of the osi model

A

Application
Presentation
Session
Transport
Network
Data Link
Physical

59
Q
  • End User layer
  • HTTP, FTP, IRC, SSH, DNS
A

Application

60
Q
  • Syntax layer
  • SSL, SSH, IMAP, FTP, MPEG, JPEG
A

Presentation

61
Q
  • Synch & send to port
  • API’s, Sockets, WinSock
A

Session

62
Q
  • End to end connections
  • TCP, UDP
A

Transport

63
Q
  • Packets
  • IP, ICMP, IPSec, IGMP
A

Network

64
Q
  • Frames
  • Ethernet, PPP, Switch, Bridge
A

Data Link

65
Q
  • Physical structure
  • Coax, Fiber, Wireless, Hubs, Repeaters
A

Physical

66
Q

RESPONSIBLE FOR THE TRANSMISSION OF
RAW BIT STREAMS OVER A PHYSICAL
MEDIUM.

A

PHYSICAL LAYER

67
Q

CONVERTS DIGITAL DATA INTO ELECTRICAL SIGNALS OR LIGHT PULSES SUITABLE FOR TRANSMISSION. PHYSICAL

A

BIT TRANSMISSION

68
Q

DEFINES THE PHYSICAL CHARACTERISTICS OF THE NETWORK, SUCH AS CABLES, CONNECTORS, AND INTERFACES.

A

CONNECTION

69
Q

DETERMINES HOW BITS ARE REPRESENTED AS SIGNALS (EG, MANCHESTER ENCODING, NRZ).

A

SIGNAL ENCODING

70
Q

ENSURES THAT THE SENDER AND RECEIVER CLOCKS ARE SYNCHRONIZED

A

BIT SYNCHRONIZATION:

71
Q

IMPLEMENTS BASIC ERROR DETECTION TECHNIQUES LIKE PARITY CHECKING.

A

ERROR DETECTION

72
Q

RESPONSIBLE FOR RELIABLE DATA
TRANSFER BETWEEN NODES ON A NETWORK SEGMENT.

A

DATA LINK

73
Q

DIVIDES DATA INTO SMALLER UNITS CALLED
FRAMES.

A

FRAMING

74
Q

ASSIGNS UNIQUE PHYSICAL ADDRESSES (MAC ADDRESSES) TO EACH NETWORK INTERFACE CARD (NIC).

A

PHYSICAL ADDRESSING

75
Q

EMPLOYS TECHNIQUES
LIKE CYCLIC
REDUNDANCY CHECK (CRC) TO DETECT ERRORS
IN TRANSMITTED DATA.

A

ERROR DETECTION AND CORRECTION

76
Q

REGULATES THE RATE OF DATA TRANSMISSION TO PREVENT THE RECEIVER FROM BEING OVERWHELMED.

A

FLOW CONTROL

77
Q

RESPONSIBLE FOR LOGICAL
ADDRESSING AND ROUTING DATA PACKETS ACROSS DIFFERENT
NETWORKS.

A

NETWORK LAYER

78
Q

BREAKS DATA INTO SMALLER PACKETS FOR EFFICIENT TRANSMISSION.

A

PACKET SWITCHING:

79
Q

DETERMINES THE BEST PATH FOR PACKETS
TO TRAVEL FROM SOURCE TO
DESTINATION.

A

ROUTING:

80
Q

ASSIGNS UNIQUE LOGICAL ADDRESSES (IP ADDRESSES) TO EACH DEVICE ON A NETWORK.

A

LOGICAL ADDRESSING:

81
Q

BREAKS DATA INTO SMALLER PACKETS FOR EFFICIENT TRANSMISSION

A

PACKET SWITCHING

82
Q

DETERMINES THE BEST PATH FOR PACKETS TO TRAVEL FROM SOURCE TO DESTINATION

A

ROUTING

83
Q

MANAGES NETWORK TRAFFIC TO PREVENT
CONGESTION AND ENSURE EFFICLENT DATA
FLOW.

A

CONGESTION CONTROL

84
Q

ASSIGNS UNIQUE
ADDRESSES TO DEVICES CONNECTED TO THE NETWORK,
ENABLING COMMUNICATION BETWEEN THEM.

A

IP (INTERNET PROTOCOL)

85
Q

SPECIFIES THE UNIQUE NUMBER WHICH IS ASSIGNED TO YOUR NETWORK

A

NETWORK ADDRESS

86
Q

IS A SPECIFIC ADDRESS NUMBER ASSIGNED TO EACH HOST MACHINE

A

HOST ADDRESS

87
Q

USES FIXED-LENGTH SUBNET MASKS AND CATEGORIZES IP ADDRESSES INTO FIVE CLASSES (A, B, C, D, E )

A

CLASSFUL ADDRESSING (1981)

88
Q

USES VARIABLE LENGTH SUBNET MASKS (VLSM) AND ALLOWS FOR FLEXIBLE ALLOCATION OF BITS TO NETWORK ID AND HOST ID

A

CLASSLESS ADDRESSING

89
Q

THESE HAVE TI DI WITH SIZE OF NETWORKS AS THEY ARE ASSIGNED FROM IANA

A

CLASSFUL AND CLASSLESS

90
Q

THESE HAVE TO DO WITH HOW YOU ALLOCATE YOUR IP SPACE WITHIN YOUR NETWORKS

A

FLSM AND VLSM

91
Q

IN A WORD, CLASSLESS ADDRESSING CAN BE SUMMARIZED AS ______

A

EFFICIENT

92
Q

IT ALSO CALLED CIDR

A

CLASSLESS ADDRESSING (1993)

93
Q

VLSM STAND FOR

A

VARIABLE-LENGTH SUBNET MASKS

94
Q

TAKING A NETWORK AND DIVIDING IT INTO SUB-NETWORKS

A

SUBNETTING

95
Q

OFFERS A COMPACT AND EXTREMELY USEFUL WAY TO REPRESENT IP ADDRESSES AND THEIR ASSOCIATED SUBNET MASKS

A

CIDR NOTATION

96
Q

8 ATTRIBUTES OF SUBNETTING

A

NETWORK ID
BROADCAST ID
FIRST HOST IP
LAST HOST
NEXT NETWORK IP
NUMBER OF IP ADDRESSES
NUMBER OF HOST ADDRESES
SUBNET MASK

97
Q

A TABLE THAT MAKES SUBNETTING MORE EASIER

A

SUBNETTING CHEAT SHEET

BSCPE3-01 2nd Sem (2 decks)

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