Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

IAS > COMNET LEc > Flashcards

COMNET LEc Flashcards

1
Q

Carries the data in the form of
signals between two or more
computers

A

Network Media

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Provides the path for sending and
receiving information between
computers

A

Network Media

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

6 factors to consider in choosing a network Media

A

● Cost
● Ease of installation
● Flexibility
● Resistance to interference or EMI
● Speed or capacity or bandwidth
● Attenuation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

EMI stands for?

A

electromagnetic interference

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

It refers to the amount of data that can be transmitted in a fixed amount of
time

A

Bandwidth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

It is the capacity of the cable to transfer signal from one point to another

A

Attenuation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

2 major classifications of Media

A

Wired Media and Wireless Media

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

3 types of Wired Media

A

○ Twisted pair cable
○ Coaxial Cable
○ Fiber Optic Cable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

4 types of wireless media

A

○ Wireless LAN
○ Extended LAN
○ Mobile Computing
○ Wireless PAN

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Another term for Wired Media

A

Cabled, Bounded
or Conducted media

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

This cable carries data in the form
of electronic signals

A

Twisted Pair

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Consists of two strands of copper
wire twisted around each other

A

Twisted Pair

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

2 Basic Types of Twisted Pair Cable

A

○ Shielded Twisted Pair (STP)
Unshielded Twisted Pair (UTP)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Has a covering around the 4 pairs
of wire

A

Shielded Twisted Pair (STP)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

6 categories of UTP cable

A

Category 1 (CAT 1)
● Category 2 (CAT 2)
● Category 3 (CAT 3)
● Category 4 (CAT 4)
Category 5
● Category 5e
● Category 6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Type of UTP cable that can transmit data at speeds up to 100 Mbps.

A

Cat 5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Type of utp cable that Used for telephone communications. Not suitable for transmitting data.

A

Cat 1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Type of UTP cable that is Capable of transmitting data at speeds up to 4 megabits
per second (Mbps).

A

Cat 2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Type of UTP cable that is Used in 10BASE-T networks. Can transmit data at speeds up
to 10 Mbps.

A

Cat 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Type of UTP cable that is Used in Token Ring networks. Can transmit data at speeds
up to 16 Mbps.

A

Cat 4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Type of UTP cable that is Used in networks running at speeds
up to 1000 Mbps (1 gigabit per second
[Gbps]).

A

Cat 5e

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Typically it a cable consists of
four pairs of 24 American Wire Gauge
(AWG) copper wires.

A

Cat 6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

This type of twisted pair, the average costs per node is moderately expensive

A

STP or shielded twisted pair

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

This type of twisted pair, the average costs per node is least expensive

A

UTP or unshielded tiwsted pair

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

This type of twisted pair, media connector size is medium to large

A

STP or shileded twisted pair

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

This type of twisted pair, media connector size is medium to large small

A

UTP or unshileded twisted pair

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

ADVANTAGES OF
Twisted pair (TP) cable

A

○Availability and relatively low cost
○Ease of installation
○Excellent spatial efficiency
(high transmission capacity in very small
cable)
○Good information-carrying capacity
(transmission rates of 1 Gigabit per second at
100
meters for Category 6 twisted pair cable)
○Application independent cabling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

DISADVANTAGES OF
Twisted pair (TP) cable

A

*Relatively low transmission rates it
provides
for long-distance links
*Unsuitable for very high-speed data
transmission
*Susceptibility to signal distortion or
error due
to interferences

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

A type of wire that consists of a
center wire surrounded by
insulation and then a grounded
shield of braided wire.

A

Coaxial cable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Like the twisted pair cable, it
also carries data in the form of
electronic signals.

A

Coaxial cable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

2 basic types of COAX

A

Thin Coaxial Cable (RG-58)
Thick Coaxial Cable(RG-8)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

○ Diameter is about 0.64 cm
○ Attenuation is 185 m (sometimes rounded of to 200 m)

A

Thin Coaxial Cable (RG-58)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

○ Diameter is about 1.27 cm
○ Attenuation is 500 m

A

Thick Coaxial Cable(RG-8)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

ADVANTAGES OF
COAXIAL cable

A

○Immunity to interference such as noise or
signal distortion better than twisted pair
cables
○Reasonable cost over short distances
○Standards and technology are mature which
promotes compatibility and interoperability of
different vendor’s equipment
○Heavier coaxial cable is relatively strong and
resists rough treatment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

disadvantages OF
COAXIAL cable

A

○Lack of security
○Low data transmission rates compared to
twisted pair and fiber optic cable
○Must be kept dry to prevent excessive
leakage between the two conductors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Type of wired media carries data in the
form of modulated pulses of light.

A

Fiber Optic Cable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Made out of light-conducting glass or
plastic fibers at the center of a thick tube of
protective cladding surrounded by a tough
outer sheath.

A

Fiber Optic Cable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

2 basic types FIBER OPTIC CABLE

A

Single-Mode fiber optic cable
Multimode fiber optic cable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Fastest fiber optic technique; the
lights is guided down the center of an
extremely narrow core

A

Single-Mode fiber optic cable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Refracts the light toward the center
of the fiber by variations in the
density of the core

A

Multimode fiber optic cable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

ADVANTAGES OF
fiber optic cable

A

○Very low error rates
○Faster transmission rate
○Immunity to environmental interference
○High attenuation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

disadvantages OF
fiber optic cable

A

○Costly for short distances
○Complex to configure and install
○Needs specialized training/education in
order to install
○Possesses the inability to add new nodes
while other nodes are active

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

refers to
a computer network that
makes use of Radio
Frequency (RF) connections
between nodes in the
network.

A

Wireless Media

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

are a popular solution for
homes, businesses, and
telecommunications
networks.

A

Wireless Media

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

often an appropriate, and
sometimes necessary, networking option

A

Wireless Environment

46
Q

It is a is misleading phrase
because it implies a network completely free of
cabling.

A

Wireless Environment

47
Q

Wireless Network Capabilities

A

● Provide temporary connections to an existing, cabled
network
● Help provide backup to an existing network
● Provide some degree of portability
● Extend networks beyond the limits of physical
connectivity

48
Q

The main advantage of wireless networking?

A

Flexibility

49
Q

are helping to
combat this pandemic by monitoring the spread of the
virus, enabling healthcare automation, and enabling
virtual education and conferencing.

A

Wireless communication technologies

50
Q

Use for Wireless – Network Connectivity

A

● Busy locations, such as lobbies and reception areas
● Users who are constantly on the move, such as doctors
and nurses in hospitals
● Isolated areas and buildings
● Departments which the physical setting changes
frequently and unpredictably
● Structures, such as historic buildings, for which cabling
present challenges

51
Q

4 types of Wireless Connections

A

Local Area Network
Ppersonal Area Netwokr
Metro politan Area Network
Wide Area Networks

52
Q

is a computer network that exists at a
single site, such as an office building.

A

LAN

53
Q

It can be used to
connect a variety of components, such as computers,
printers, and data storage devices.

A

LAN

54
Q

It is the most commnonly known LAN

A

WIFI

55
Q

consists of a network centralized
around the devices of a single person in a single location.

A

PAN

56
Q

could have computers, phones, video game consoles,
or other peripheral devices. They are common inside
homes and small office buildings.

A

PAN

57
Q

It is the most common PAN

A

Bluetooth

58
Q

is a computer network that
spans across a city, small geographical area, or business or
college campus.

A

MAN

59
Q

can cover several square miles,
depending on the needs of the organization.

A

MAN

60
Q

It usually consists of a solitary
building or area.

A

LAN

61
Q

It covers a very large area, like an entire city,
state, or country.

A

WAN

62
Q

most common known wireless WAN

A

Cellular services

63
Q

makes use of a Wireless Bridge that
connects two pre-existing networks.

A

Extended LAN

64
Q

is a component that offers an easy
way to link buildings without using cable.

A

Wireless Bridge

65
Q

a wireless bridge
provides data path between two networks of different
buildings.

A

Footbridge

66
Q

use transmitters
and receivers owned by the company in which the
network operates.

A

Wireless LANs and Extended LANs

67
Q

also known as Cellular
Technology

A

Mobile Computing

68
Q

incorporates wireless adapters using
cellular telephone technology to connect portable
computers with the cabled network

A

Mobile COmputing

69
Q

public carriers, such as long
distance telephone companies, along with local
telephone companies and their public services to
transmit and receive signals

A

Mobile Computing

70
Q

breaks a transmission into
packets.

A

Packet Radio Transmission

71
Q

uses the same technology and some of the
same systems that cellular telephone use.

A

Cellular Networks or Cellular Digital Packet Data
(CDPD)

72
Q

It offers computer data transmissions over existing
analog voice networks between voice calls when the
system is not busy.

A

Cellular Networks or Cellular Digital Packet Data
(CDPD)

73
Q

This is very fast technology that suffers only
subsecond delays, making it reliable enough for real-
time transmission.

A

Cellular Networks or Cellular Digital Packet Data
(CDPD)

74
Q

is a good choice for
interconnecting buildings in small, short-distance
systems such as those on a campus or in an
industrial park.

A

Microwave System

75
Q

Wireless networks use four techniques for transmitting
data:

A

○ Infrared Transmission
○ Laser Transmission
○ Narrowband (single-frequency) radio transmission
○ Spread spectrum radio transmission

75
Q

is currently the most widely
used long-distance transmission method in the
United States.

A

Microwave transmission

76
Q

● Used in Wireless LANs.

A

Infrared Transmission

77
Q

operate by using an infrared light beam to carry the data
between devices.

A

infrared wireless networks

78
Q

LASER stands for

A

Light Amplification by Stimulated
Emission of Radiation

79
Q

it describes the physical
process by which light is amplified

A

LASER

80
Q

it is similar to infrared technology in that
it requires a direct line of sight and any person or thing
that breaks the laser beam will block the transmission

A

Laser Tecnhnology

81
Q

This transmission technique is similar to broadcasting
from a radio station.

A

-Narrowband (Single-Frequency) Radio Transmission

82
Q

The user tunes both the transmitted and the receiver to
a certain frequency.
This does not require line-of-sight focusing because the
broadcast range is 3000 meters (9842 feet).

A

Narrowband (Single-Frequency) Radio Transmission

83
Q

This method is relatively slow; transmission is in the 4.8
Mbps range

A

Narrowband (Single-Frequency) Radio Transmission

84
Q

broadcasts signals
over a range of frequencies. This addresses the
narrowband communication problems.

A

-Spread Spectrum Radio Transmission

85
Q

The available frequencies are divided into channels or
hops

The adapters for spectrum are tuned in to a specific hop
at a predetermined period of time and then switches to
the next hop

A

-Spread Spectrum Radio Transmission

86
Q

➢is any type of computer network that
uses wireless data connections for
connecting network nodes.

A

Wireless Network

87
Q

➢A type of network use to connect
digital gadgets on a wireless connectivity
devices such as routers and access point

A

Wireless Netwokr

88
Q

Plug in an AC Adapter
to an outlet, plug into
the router and access
point, press the power
button and wait for the
LED indicator to be lit. (router)

A

Procedure in configuring router
STEP 1

89
Q

Connect one end of
networking cable to the
Ethernet port of the
router and connect the
other end to the LAN
adapter of a computer. (router)

A

Procedure in configuring router
STEP 2

90
Q

Access the router
configuration panel
through a web
browser and on the
URL tab type the
IP address 192.168.0.1 (routr)

A

Procedure in configuring router
STEP 3

91
Q

On the log in menu,
Enter the default
username “admin”
and the default
password “admin” (router)

A

Procedure in configuring router
STEP 4

92
Q

Once the username and
password was verified
and accepted the main
panel of router configuration
will appear, click on Wireless
then choose Wireless Setting. (router)

A

Procedure in configuring router
STEP 5

93
Q

Change the default
Wireless Network
name to your lastname
Ex. Natividad then
Click Save. (router)

A

Procedure in configuring router
STEP 6

94
Q

After changing and saving
the Wireless Network
name, its time to change
the default password by
clicking the Wireless
Security tab. (router)

A

Procedure in configuring router
STEP 7

95
Q

Once the Wireless
Security tab was clicked,
another panel will appear.
Change the Wireless
Password ex. cet@2016
then click Save. (router)

A

Procedure in configuring router
STEP 8

96
Q

Once the configuration
was changed and saved, the
device is required to reboot.
Click the System Tools Tab
on the lower part of the
panel and click Reboot. (router)

A

Procedure in configuring router
STEP 9

97
Q

After the router confi-
guration, disconnect the
networking cable attached
to the laptop and connect
the cable from ISP to Router’s
WAN port. (router)

A

Procedure in configuring router
STEP 10

98
Q

Search for the wireless
network through notification
area. Connect the laptop
From wireless network
named Natividad, type in
the WEP password
cet@2016 then click connect. (router)

A

Procedure in configuring router
STEP 11

99
Q

To check if there’s an
internet connection, click
on Google Chrome
Browser and type on the
URL Bar www.google.com
and Google logo will appear (router)

A

Procedure in configuring router
STEP 12

100
Q

Connect one end of
networking cable from
the Ethernet port of
access point and another
end of networking cable to
the LAN adapter of laptop (access point)

A

Procedure in configuring access point
STEP 1

101
Q

Access the router
configuration panel
through a web
browser and on the URL
tab type the
IP address 192.168.0.254 (access point)

A

Procedure in configuring access point
STEP 2

102
Q

Another panel will
appear and prompt to
enter user name and
password. Type the default
username “admin” and
default password “admin”
then Click on log in button. (access point)

A

Procedure in configuring access point
STEP 3

103
Q

The user will be logged to
the access configuration
panel and the user will be
guided to setup the device
step-by-step in performing
simple configurations. On
this panel click Next button (access point)

A

Procedure in configuring access point
STEP 4

104
Q

The user will be prompt to
choose what type of
Operation mode, for this
select Access Point as its
operation mode then click
Next (access point)

A

Procedure in configuring access point
STEP 5

105
Q

Change the Wireless
Network Name(SSID) and
Wireless Password through
Wireless Setting panel.
Change the SSID name to
ex. Arvin and Password to
ex. cet@2016 then click Next. (access point)

A

Procedure in configuring access point
STEP 6

106
Q

On Network Setting panel
click the Next button and
will proceed immediately on
Finish panel then click on
Reboot button to instantly
restart the access point. (access point)

A

Procedure in configuring access point
STEP 7

107
Q

After the “Configuration
Completed Successfully”
message from the access
point, unplug the networking
cable attached to the laptop
and connect it to the Fast
Ethernet port No. 1 of the router. (access point)

A

Procedure in configuring access point
STEP 8

108
Q

Search for the wireless
network through notification
area. Connect the laptop
From wireless network
named Arvin, type in
the WEP password
cet@2016 then click connect. (access point)

A

Procedure in configuring access point
STEP 9

109
Q

To check if there’s an
internet connection, click
on Google Chrome
Browser and type on the
URL Bar www.google.com
and Google logo will
appear and It’s Done! (access point)

A

Procedure in configuring access point
STEP 10

110
Q
A

IAS (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions