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CompTIA A+ > Essential Of Networking > Flashcards

Essential Of Networking Flashcards

1
Q

MAC address?

A

Media Access Control. 48bit address always manifested as 12 hexadecimal characters

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2
Q

Every Network card gets a ___ address?

A

MAC

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3
Q

First six characters of a MAC address is called?

A

OEM id

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4
Q

IPconfig /all on windows to view ___ address?

A

MAC

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5
Q

Ethernet frames standardized as?

A

1500bytes

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6
Q

Hubs repeat all traffic on LANs to all____?

A

nodes

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7
Q

Switches filter traffic based on ___ address?

A

MAC

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8
Q

Switches are better than ___ ?

A

HUBs

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9
Q

Switches provide full bandwidth for all _____?

A

Nodes

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10
Q

Hexadecimal?

A

Base 16 counting system to replace any 4 binary characters with a single character

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11
Q

Any string of four 1s and 0s can be replaced with numbers 0-9 and letters A-F. This is called?

A

Hexadecimal

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12
Q

Switches have a LIMIT of how many connected computers?

A

1,024

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13
Q

Logical Address?

A

I.P. address

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14
Q

Oldest networking cabling cable is?

A

Coaxial (connectors are axial and has RG ratings)

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15
Q

What kind of ratings and connectors does coaxial cables use?

A

RG ratings and F connectors

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16
Q

RG 58?

A

a coaxial cable that is not being used anymore and had BNC connectors

17
Q

Current dominant type of cabling is called?

A

Twisted pair

18
Q

UTP?

A

Unshielded Twisted Pair ( max distance 100 meters )

19
Q

RJ11?

A

cable used for telephones

20
Q

RJ45?

A

Ethernet connector (registered Jack 45 is a standardized connector used primarily for Ethernet networking)

21
Q

STP?

A

Shielded Twisted Pair ( type of Ethernet cabling that includes additional shielding to reduce electromagnetic interference (EMI) and crosstalk between the cable pairs )

22
Q

Multimode uses ____ in fiber optic cables

A

LEDs

23
Q

Single mode uses ______ in fiber optic cables

A

lasers

24
Q

Most Networks use _______ pair cabling

A

twisted

25
Q

Structured cabling?

A

cables in an organized way and running through walls of building

26
Q

MDF?

A

Main Distribution Frame (room where the equipment is located like the switches)

27
Q

an unshielded twisted pair cable that is put into wall itself and each wire in cable is a SOLID peace of copper that carries electricity very well is called?

A

Solid Core cable

28
Q

What cable is used for the patch cables that each wire in the cable is stranded and flexible so very hard to break but not as good as solid core cable?

A

Stranded

29
Q

NIC?

A

Network Interface Card

30
Q

What is it called when the NIC is operating at full capacity (Talking and Listening)?

A

Full Duplex

31
Q

What is it called when the NIC is NOT operating at full capabilities?

A

Half Duplex

32
Q

what is Wake on Land also called that allows for computers to turn on and update when something happens on the LAN?

A

Magic Packet

33
Q

What are the lights on a switch called that tell you of connection, speed, and activity?

A

Link Lights

CompTIA A+ (8 decks)

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