Network+ #4 -- Media and Connectors

Which type of media cable has been the default in network

Copper media

IEEE stands for ___

Institute of Electrical and Electronics Engineers

what does the IEE 802.3 standar defines

physical/data link layers, including MACs for Wired Ethernet Networks

where does IEE 802.3 mainly applies

LANs and MANs

Most common type of ethernet cable

Twisted Pair

wiring where two conductors of a single circuit are twisted together

Twisted Pair (Par Trenzado)

What does “Twisting” on a twisted pair cable produces

ElectroMagnetic Interference and Crosstalk reduction

Which cable is preferred for data/voice singlas transmission

Twisted Pair

UTP stands for

Unshielded Twisted Pair

STP stands for

Shielded Twisted Pair

Pairs of twisted wires without additional shielding —>

UTP

Pairs of twisted wires with additional shielding —>

STP

UTP cables advantages

lightweight, flexible and cost-effective

STP cables advantages

More expensive, bulkier, and more difficult to install

Shielding on STP purposes

Better Electromagnetic Interference Protection

What is EMI?

electromagnetic fields from a device interfere operations of another device

examples of EMI inducing devices?

poorly shielded, low quality PSUs or common wireless devices

What is Ethernet Cat?

It literally refers to the Category number of the cable

List all CATs

5, 5e, 6, 6a, 7 and 8

list Cat 5 Specs

100 Mbps, 100 Meters max, 100Mhz freq, 100 BASE-T

100 BASE-T or ____

Fast Ethernet

list Cat 5e Specs

1000 Mbps, 100 meters max, 100Mhz freq, 1000 BASE-T

Cat 5e___?

enhanced

Key difference between cat5e and 5?

e has more twists, reducing crosstalk as data is transmitted

1000 BASE-T or ____

Gigabit Ethernet

list Cat 6 Specs

1Gbps, 100 meters max, 250Mhz freq, 10G BASE-T

10G BASE-T or ____

10-Gigabit Ethernet

when is CAT 6 referred as 10-Gigabit Ethernet?

when being used under 55 meters

how does CAT 6 is also refered as when using it under 100 meters or less?

same as cat 5e, 1000 BASE-T

CAT 6a_____?

Augmented

List CAT 6a specs

10Gpbs, 100 meters max, 500Mhz max, 10G base-T

key difference between 6a and 6?

6a suppoers 10Gbps within a 100, while 6 supports 10Gbps within 55 meters

List CAT 7 specs

10Gbps, 100 meters max, 600Mhz freq, 10G BASE-T

which CAT cables are not recognized by TIA/EIA as a standard

CAT 7

List CAT 8 specs

40Gpbs, 30 meters max, 2Ghz freq

Which cable consists of a single copper conductor core with an insulating layer and a conductive shield covering

Coax

where where coax cables fundamental?

Networking and Broadcasting

RG on coax stands fo?

Radio Guide

Older standard for coaxial cables

RG-59

where was RG-59 commonly used

analog video or closed circuit tv

standard coax cable as of today?

RG-6

what does RG-6 support

faster interned speed on residential installation

RG-6 specs

1 Gbps up to 300 meters

DAC stands for

Direct Attach Copper

what are DACs used for?

to connect switches to routers/servers

what is a DAC cable

a fixed assembly copper cable

where do DACs connect to?

usually to SFP style ports

active DAC specs

100Gbps at 15 meters or less

active DAC specs

100Gbps at 7 meters or less

transmission Speeds supported by DACs?

10, 40 or up to 100 Gbps depending on the distance

Twinaxial Cable?

two separate insulated copper conductors paralel inside the same shield

Which type of cable is used by DACs?

Twinaxial

Where are Twinaxial Cables commonly used

SFP+/QSFP

Twinaxial Specs

10, 24, 40 or 100Gbps up to 100 meters

Plenum cable?

fire retardant

Non-Plenum cable?

less fire-retardant

Where are plenum cables used?

on air circulating spaces

Which cable meets fire safety standards?

Plenum cables

Plenum cable materials?

PCV/FEP plastic jackets

what does Plenum cables reduce?

flame spread and amount of smoke

what is a plenum space

Area where air circulation for heating is facilitated

Where are non-plenum cables typically used?

walls or conduit

Categories under Copper media?

Twisted pair and Coaxial

Categories under Twisted Pair media?

UTP and STP

Categories under UTP/STP media?

CAT 5, 5e, 6, 6a, 7, 8

Categories under CAT media?

Plenum and Non-plenum

Categories under Coaxial media?

6/59, DAC, Twinaxial

Twinaxial specs

10 Gbps or more at 10 meters

RJ-X —> Refers to?

Registered Jack

What is an RJ

network interface standard for connecting voice/data equipement

Who utilizes RJ connectors?

Service providers

on a service provider context, where do RJ connectors, connect to?

Local Exchange Carrier or Long-Distance Carrier

What is a Local Exchange Carrier

Provides service within a specific geographic region

What is a Long-Distance Carrer

Handles telephone traffic between major areas

where is RG typically used

with coaxial cables for high-speed internet, tv or raddio comms

Which RJ is used for telephone wiring

11

What is a Conductor, on the 6P2C configuration?

The literal copper pin on the connector tip

What is a Position, on the 6P2C configuration?

The ammount of possible physical conductors that the connector can have

RJ-11 Characteristics?

Smaller and unsuitable for high-speed data transmission

RJ standard for data networks?

RJ-45

RJ-45 position-conductor configuration?

8P8C

Where are RJ-45s commonly used

computers, switches or router on LANs

RJ-45 characteristics

High-speed data transfer

What other form of referring to, RJ-45 connectors have?

CAT cables

Which type of connector is this?

F-Type

where is the F-Type connector typically used?

cable tv, satellite or cable internet connections

what is the F-Type connector suitable for?

High bandwith/freq, Digital TV or high speed internet services

How is this connector called?`

Bayonet Neill-Concelman

the BNC connector is another type of _____ connectors

Coaxial

Key characteristic of the BNC connector?

its secure bayonet locking mechanism

is the BNC screw-on, or push and twist style?

push and twist

where is the BNC commonly used

Pro video connections and radio freq applications

When was the BNC introduced

1940s

BNC key advantages

Quick, Secure, reliable and stable connection

erroneous way of calling the BNC?

British Naval Connector

Which type of cable contains the exact same pinout on both ends of the cable

Straight-Through

List from 1 to 9 the 568B pinout

Orange/White, Orange, Green/White, Blue, Blue/White, Green, Brown/White, Brown

Pin 1 of the 568B?

Orange/White

Pin 2 of the 568B?

Orange

Pin 3 of the 568B?

Green/White