Brainscape's Knowledge GenomeTM

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


See full index

My Own Class - NET+ > Sec5 - Media And Cabling > Flashcards

Sec5 - Media And Cabling Flashcards

1
Q

What is media

A

A material
Used to transmit data over the network

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

Types of Media

A

Copper
Fiber
Wireless

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

Types of Copper Media

A

Coaxial
Twisted Pair
Serial

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

Types of Coaxial Cable

A

RG6 - used outside of houses
Rg59 - used inside

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

Connectors used for Coaxial Media

A

F-type - screw on type of connector, commonly used in TVs
BNC - push and twist to lock the media in place

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

Newer type of Coaxial cable

A

Twinaxial, uses 2 inner conductor to carry data instead of 1
- Used in very short-range high-speed differential signaling applications, such as SATA 3.0 cables and uplinks between SFP+ modules in switches or routers

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

Other term for serial cable

A

DB9 or DB25, uses series of straight copper wires

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

2 types of twisted pair

A

UTP, STP

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

Connector used in Twister Pair Cables

A

RJ11 - used for voice, 6 pin connector but only 2 of those pins are used

RJ45 - used for data, ethernet based networks - only uses 4 pins, other 4 is used for PoE devices

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

What is RJ

A

Registered Jack - used to carry voice or data

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

What is a bandwidth

A

Theoretical data of how much data could be transferred from source to destination

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

What is throughput

A

Actual measure of how much data was transferred from source to destination

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

Different categories of twisted pair cables

A

Cat 3, 5, 5e, 6, 6a, 7, 8

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

Standard, Speed, and distance of CAT3

A

10Base-T, 10mbps, 100meters

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

Standard, Speed, and distance of CAT5

A

Called Fast Ethernet
100Base-Tx, 100mbps, 100meters

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

Standard, Speed, and distance of CAT5e

A

Called Gigabit Ethernet
1000Base-T, 1000mbps/1Gbps, 100 meters

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

Standard, Speed, and distance of CAT6

A

1000Base-T, 1000mbps/1Gbps, 100 meters

OR

10GBase-T, 10Gbps, 55meters

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

Standard, Speed, and distance of CAT6A

A

10GBase-T, 10Gbps, 100meters

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

Standard, Speed, and distance of CAT7

A

10GBase-T, 10Gbps, 100meters

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

Standard, Speed, and distance of CAT8

A

40GBase-T, 40Gbps, 30meters

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

Straight Through Cable (Patch cable)

A

Contains the exact same pinout on both ends of the cable
Ex: 568A -> 568A or 568B -> 568B

  • Used to connect DTE to DCE
  • Connecting unlike devices
  • DTE - “endpoint” devices that connect to a piece of data communications equipment or DCE
  • DCE - includes things like switch, modem, hub, bridge
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Color Pin Outs of 568B

A

Orange white, orange
Green white, blue
Blue white, green
Brown white, brown

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

Crossover Cable

A

Used to connect like/same devices

Swaps the send and receive pin outs
- 568A on 1 end and 568B on the other end

24
Q

For the exam, what cable should be used in connecting switch to switch?

A

Crossover cable

Not unless the switch has MDIX (Medium Dependent Interface Crossover) feature wherein it simulates a crossover cable even if youre using a straight through patch cable

*If a switch doesn’t support MDIX, use crossover cable

25
Q

Color Pin Outs on 568A

A

Green white, green
Orange white, blue
Blue white, orange
Brown white, brown

26
Q

Plenum Cable

A

Special Coating used on UTP or STP cable to prevent released of chemicals if there’s a fire

  • Used in ceilings, walls, raised floors, or air ducts
  • Used in a place where no one can see
27
Q

What is fiber optic cable

A

Uses light to transmit data through a glass
- Immune to EMI since no electricity involved in data transmission
- Signal goes in extremely long distance because were using light not unlike copper cables where there’s limitation

28
Q

Disadvantage of using fiber

A

Expensive
Difficult to work with since it requires special tools and training

  • Most businesses only use fiber to connect to their edge switches
29
Q

What is SMF

A

Small core size
Data travels in a single direction
Covers longer distances
More expensive

30
Q

What is MMF

A

Used for shorter distance
Larger core size
Allows multiple modes of travel
Covers shorter distance - Up to 2kms or less
Less expensive

31
Q

Connectors used on Fiber media

A

SC
ST
LC
MTRJ

32
Q

SC

A
33
Q

SC

A

Subscriber Connector
- Stick and Click

34
Q

ST

A

Straight Tip Connector
- Stick and Twist
- Commonly used in fiber optic connections in LAN networking applications.

35
Q

LC

A

Lucent Connector
- Love Connector
- 2 Cables side to side

36
Q

MTRJ

A

Mechanical Transfer Register Jack
- Small form factor, commonly used

37
Q

What is APC and what uses APC

A

SC
- If the connector is green then it’s APC

38
Q

What is UPC and what uses UPC

A

MTRJ
- If connector is blue, it’s UPC

39
Q

What is WDM

A

Combines multiple signals into one signal and sends over a single fiber optic strand using differemt wavelengths of the laser light source

40
Q

What is CWDM

A

Coarse WDM
- up to 18 channels
- channel distance is 20nm
- speed is up to 10gbps (ethernet), up to 16gbps (Fiber)
- used in shorter dostance

41
Q

What is DWDM

A

Dense WDM
- Up to 80 channels
- 0.8nm
- Up to 8 tbps (100gbps/channel)

42
Q

What really is the difference between a copper and a fiber

A

Copper has limited distance, usually 100 meters but it’s less expensive.
Fiber on the other hand is expensive but can cover up to longer distance, immune to emi, more secure.

43
Q

What is a media converter/transceiver

A

Converts media from one format to another
They conduct layer 1 to layer 1 conversion
Ex: Fiber to copper, copper to fiber, fiber to coaxial, coaxial to fiber
Media converter is a layer 1 device

44
Q

What is half duplex/bidirectional

A

Can communicate but not at the same time, have to wait for their turn

45
Q

What is full duplex

A

Devices can communicate both at the same time

46
Q

Types of Transceivers

A
  1. GBIC - standard hot pluggable gigabit ethernet transceiver that can take copper or fiber in as its connector.
  2. SFP - Small form-factor pluggable
    - Smaller module, compact - Up to 4.2GBPS
  3. SFP+ - faster version of SFP, up to 16GBPS
  4. QSFP - Quad Small form-factor pluggable
    - Up to 40GBPS
  5. QSFP+ - Up to 41.2GBPS

**This are all just different type of transceivers that converts light signal from fiber cable to electrical 1 and 0s
**This are all used in routers and switches
**if you need to change the physical format of your network, you can do that by using media converter/transceiver

47
Q

What is a demarcation point

A
48
Q

What is a backbone switch

A

Connects to everything on the network

1 main switch where multiple switches are connected to this main switch (used in large orgs) and this becomes your backbone switch
*All the other switches connected to the backbone switch is called edge switches
*An edge switch is closer to end users

49
Q

Where is a backbone switch located

A

On the main distribution frame

50
Q

What is an MDF

A

Main Distrib Frame - main starting point for your all interior cabling
- This is like the trunk of a tree
- All the other branches are IDFs (smaller distribution frame)

51
Q

What is an IDF

A

Contains edge switches, patch panels, edge router, and other associated equipment.
- Designed to support the floor and offices nearest to it

52
Q

Types of Punchdown Blocks

A

66 - older technology, use in old telephone systems and cat3 networks

110 - used for voice and data applications, supports high speed data network for cat5 and above
- 110 block is the most common

Krone - European alternative to 110 block, only difference is the angles

Bix - another proprietary punch down block

53
Q

What is a patch panel

A

Keeps data center or server room organized by making it easy to move, add, change a cable distrubution

  • Has 2 side, 1 side is for Rj45 and other side is like a punchdown block

**We use patch panel in order to make sure we prevent damaging a switch port which is expensive to replace
**We make changes directly on the Patch panel instead of the switch

54
Q

Fiber distribution patch panel

A

Convert fiber connection from one type to another

55
Q

What is a toner probe

A

Used to find which port is tied to the patch panel
- Used to find breaks in a wire

My Own Class - NET+ (3 decks)

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