Networking basics

Question 1

What is a host

Answer 1

Any computer connected to a network

Question 2

What is a client

Answer 2

Any computer requesting information

Question 3

What is a resource

Answer 3

Items to be shared between hosts

Question 4

What are two webserver programs

Answer 4

IIS - Internet Information services

Apache

Question 5

What is a Network Interface Controller?

Answer 5

The new name for a NIC. Network interface CARD is used to describe an externally added card, whereas a controller is part of the motherboard.

Question 6

What do NICs do?

Answer 6

Process and construct frames

Question 7

What is the length of mac addresses?

Answer 7

48-bits long

Question 8

What is a frame’s CRC?

Answer 8

Cylic redundancy check - a method of ensuring the correct delivery order of frames

Question 9

What is the basic structure of a frame?

Answer 9

MAC TO, MAC FROM, DATA, CRC

Question 10

What does 100BaseT mean

Answer 10

100 mbps, over baseband (one signal at a time) using the twisted pair media.

Question 11

True or false: Switches remember their client’s mac addresses and deliver information using them

Answer 11

True

Question 12

What is cat 1 used for

Answer 12

Telephones

Question 13

What is the speed of cat 3

Answer 13

10mbps networks

Question 14

What is the speed of cat 5 and 5e

Answer 14

100 and 100-1000

Question 15

What is the speed of cat 6 and 6a

Answer 15

1000-10GBPS, 10GBPS

Question 16

When would you require shielded twisted pair?

Answer 16

When interference is likely. Ex: A shop floor with lots of lights.

Question 17

Can you use a Cat 5 connector with a cat 6 cable?

Answer 17

Noh

Question 18

True or false: PVC cabling is fire safety cabling

Answer 18

False.

Question 19

What is the TIA568B standard order

Answer 19

OW, O, GW, B, BW, G, BW, B

Question 20

What is the main requirement for a crossover cable to work?

Answer 20

Opposite terminations on each end

Question 21

True or false: Fiber is half-duplex

Answer 21

True

Question 22

True or false: You only need one fiber connection per interface

Answer 22

False, you need two, as half-duplexing means you need one to send and one to receive

Question 23

Name one fiber cable type that comes with two cables, allowing you to only need one run for your fiber?

Answer 23

LC

Question 24

What light type is used for multi-mode fiber?

Answer 24

LED

Question 25

What light type is used for singlemode fiber?

Answer 25

Laser

Question 26

What three cmds can you use if you suspect you're having DHCP problems or have an APIPA address?

Answer 26

ipconfig /release ipconfig /renew ipconfig /flushdns

Question 27

True or false: Fiber optic cables can connect to any switch

Answer 27

False: Fiber cables require Fiber compatible switches

Question 28

What is roughly the max distance of multimode fiber

Answer 28

600m

Question 29

What is an application of coax cabling?

Answer 29

Cable modems

Question 30

What is missing. A coax cable has an outer jacket, ______, a shield, and the solid core.

Answer 30

Braided coating

Question 31

Which is the thicc and thin between rg 59 and rg 6

Answer 31

59 is thin and short range | 6 is thicc

Question 32

What are two coaxial plug types?

Answer 32

BNC, F-type

Question 33

What is a broadcast domain?

Answer 33

Any computers on a network that can hear one another's broadcasts.

Question 34

Do broadcasts go through switches?

Answer 34

Yes

Question 35

What is a network bridge

Answer 35

A network bridge is a device that divides a network into segments. Each segment represent a separate collision domain.

Question 36

What are the three areas of a LAN within an office building?

Answer 36

Telecommunications room Horizontal Run Work area

Question 37

What is a single horizontal cable called?

Answer 37

A run

Question 38

What is a benefit and drawback of solid core?

Answer 38

Pro: Better performance Con: Non-flexible, breaks easier. Commonly used in horizontal runs.

Question 39

What is a benefit and drawback of stranded core.

Answer 39

Pro: Flexible Con: Lacks performance compared to solid core. Stranded core is many smaller wires.

Question 40

How many inches is a U?

Answer 40

1.75 inches

Question 41

A patch panel contains a ___ punchdown block

Answer 41

110