Networks CH4

Question 1

A situation when two or more data packets try to occupy the same network channel at the same time.

Answer 1

Collision

Question 2

Solve the problem with collision

Answer 2

LAN Switch

Question 3

Advantage of LAN switches

Answer 3

operate in Full duplex/forward Frames based on MAC address

Question 4

This ethernet standard is also known as ThinNet

Answer 4

10Base2

Question 5

It uses coaxial cabling and provides 10Mbps speed. It supports a maximum length of 200 meters.

Answer 5

10Base2

Question 6

This ethernet standard is also known as ThickNet.

Answer 6

10Base5

Question 7

It uses coaxial cabling and provides 10Mbps speed. It supports a maximum length of 500 meters.

Answer 7

10Base5

Question 8

One of the most common Ethernet standards used in Ethernet networks.

Answer 8

10BaseT

Question 9

It uses UTP (Cat3 or higher) cables and
Hubs and provides 10 Mbps, but in actual
networks, the presence of collisions
reduces this to more like 4 to 6 Mbps.

Answer 9

10BaseT

Question 10

An implementation of 10BaseT over fiber optic cabling and offers 10 Mbps speed

Answer 10

10BaseF

Question 11

implementations of 10BaseF is

Answer 11

Connect two hubs as well as Connecting hubs to workstations.

Question 12

It was created to upgrade 10BaseT networks over Cat3 wiring to 100 Mbps without having to replace the wiring

Answer 12

100BaseT4

Question 13

Uses four pairs of twisted pair wiring, two of the four pairs are configured for half-duplex
transmission.

Answer 13

100BaseT4

Question 14

What do you mean by half duplex?

Answer 14

data can move in only one direction at a time

Question 15

Also known as Fast Ethernet

Answer 15

100BaseTX

Question 16

Mostly used Ethernet standard in modern networks

Answer 16

100BaseTX

Question 17

Known as Fast Ethernet over fiber and runs over multimode fiber cables.

Answer 17

100BaseFX

Question 18

Ethernet Standard that has a 100Mbps speed up to 2000 meters

Answer 18

100BaseFX

Question 19

Also known as Gigabit Ethernet

Answer 19

1000BaseT

Question 20

Also known as 10 Gigabit Ethernet

Answer 20

10GBaseT

Question 21

This cable has a center conductor made of copper insulated by a plastic jacket with a braided shield over it.

Answer 21

Coaxial Cable

Question 22

This cable is often used for internal wiring especially in residential homes. Many of us are familiar with this cable because it is used for televisions.

Answer 22

Coaxial Cable

Question 23

4 parts of Coaxial Cable from the outermost level down under

Answer 23

1. Plastic Jacket
2. Metallic Shield
3. Dielectric Insulator
   4.Center Core

Question 24

A cable that has two insulated copper wires twisted together

Answer 24

Twisted Pair

Question 25

7 parts of shielded Twisted Pair

Answer 25

1. Outer Jacket 2. Overall Shield 3. Pair Shields 4. Drain Wire 5. Twisted Pair 6. Color Coded Plastic Insulation 7.Copper Conductor

Question 26

4 parts of unshielded Twisted Pair

Answer 26

1. Outer Jacket 2. Twisted Pair 3. Color Coded Plastic Insulation 4. Copper Conductor

Question 27

The most common medium of transmission for Internet connections. It uses light impulses vs electric ones, so it is immune to Electromagnetic Interferences (EMI) and Radio Frequency Interferences (RFI).

Answer 27

Fiber-Optical Cable

Question 28

Type of optical fiber that has a core diameter, made of glass, between 8 and 10.5 µm and a cladding diameter of 125 µm.

Answer 28

Single Mode Fiber

Question 29

A type of optical fiber that has a core size of 62.5 micrometers (µm) and a cladding diameter of 125 µm it also uses LEDs to generate the signal and can support multiple wavelengths transmitted in parallel within its core.

Answer 29

Multi Mode Fiber

Question 30

Speed, frequency and year of CAT 1

Answer 30

1Mbps, 400KHz, 1983

Question 31

Speed, frequency and year of CAT 2

Answer 31

4Mbps, 4MHz. 1987

Question 32

Speed, frequency and year of CAT 3

Answer 32

10Mbps,16MHz, 1991

Question 33

Speed, frequency and year of CAT 4

Answer 33

16Mbps, 20MHz, 1993

Question 34

Speed, frequency and year of CAT 5

Answer 34

100Mbps, 100MHz, 1995

Question 35

Speed, frequency and year of CAT 5e

Answer 35

1Gbps, 100MHz, 2001

Question 36

Speed, frequency, and year of CAT 6

Answer 36

1Gbps, 250MHz, 2002

Question 37

Speed, frequency, and year of CAT 6A

Answer 37

10Gbps, 500MHz, 2008

Question 38

Speed, frequency, and year of CAT 7

Answer 38

10Gbps, 600MHz, 2010

Question 39

Speed, frequency, and year of CAT 7A

Answer 39

10Gbps, 1000MHz, 2013

Question 40

Speed, frequency, and year of CAT 8.1

Answer 40

25Gbps, 2,000MHZ, 2016

Question 41

Speed, frequency, and year of CAT 8.2

Answer 41

40Gbps, 2,000MHZ, 2018