Network+ Exam Prep > 2.1-2.3 > Flashcards

2.1-2.3 Flashcards

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1
Q

r

  • An older connector used on peripherals like a mouse, keyboard, modem
  • 9 pin connector for a serial cable
A

DB9 connector

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2
Q

r

  • An older connector used to be used with printers
  • Has 25 pins arranged in two rows.
A

DB25 connector fact (3)

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3
Q

r

  • designed for installations that run between floors.
  • Riser requirements are not as strict as plenum requirements
A

Riser rated cables

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4
Q

r

  • Has eight connectors.
  • Supports up to four pairs of wires.
  • Used for Ethernet MAINLY
A

RJ45 facts (3)

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5
Q

r

  • Immune to EMI (electromagnetic interference)
  • Highly resistant to eavesdropping
  • Support high data transmission rates
  • Allows greater cable distances without a repeater
A

Fiber Optic Cable Advantages (4)

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6
Q

r

  • More expensive than UTP
  • Inflexible construction (more difficult to install)
  • Unsupported by newer networking standards
A

Coaxial Disadvantages

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7
Q

r

  • Single-mode and multi-mode cabling.
  • Has a push-on/pull-off connector that uses a locking tab to maintain the connection.
A

Fiber - SC

Mnemonics are Set-and-Click or Square Connector.

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8
Q

r

  • Single-mode and multi-mode cabling.
  • Plastic connector with a locking tab.
  • Uses metal guide pins to ensure that it is properly aligned.
A

Fiber - SC - MTRJ

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9
Q

r

  • Used with single-mode and multi-mode cabling.
  • Also called a push-in and twist connector.
A

Fiber - ST (3)

Mnemonics are Set-and-Twist or Straight Tip.

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10
Q

r

  • Very expensive
  • Difficult to work with Special training required
A

Fiber Optic Cable Disadvantages (2)

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11
Q

r

0Has eight connectors.

  • Supports four pairs of wires.
  • Backwards compatible with RJ45.
A

GG45 (3)

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12
Q

r

a drain wire

A

Most shielded cables have a special grounding wire called…

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13
Q

r

A PC to a phone jack wall outlet to establish a dial-up

-Also used to connect a DSL modem to a telephone network.

A

RJ11 Phone cable used to connect

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14
Q

What is a Media Converter

A

A networking device that allows two dissimilar media types to connect

-Twisted pair with fiber optic cabling.

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15
Q

Advantages of twisted pair cabling include: (3)

A

Flexibility, Cost, Ease of use

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16
Q

Plentum vs PVC

If a fire occurs…

A
  • PVC Cable emits large quantities of black toxic smoke
  • Plenum Cable has a special coating on the wire, which causes it to burn at a higher temperature and emit less fumes
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17
Q

r

A networking device that makes it possible to connect two dissimilar media types such as twisted pair with fiber optic cabling.

A

What is a Media Converter

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18
Q

BNC Connector is commonly used at the…

A

end of coaxial cables to transmit RF signals for equipment such as televisions and radios.

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19
Q

r

Television, digital cable Internet

Resistance Rating: 75 ohms

A

RG-6 Uses(3) , Ohms?

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20
Q

Can Plenum rated cables can be used in riser spaces?

A

Yes! But Riser rated cables must NEVER be used in plenum spaces.

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21
Q

Cat 3 RJ45

Speed? Distance? Use

A

Speed: 10 Mbit/s

Distance: 100meters

Both Cat 3 and Cat 5 Ethernet cables are, obsolete.

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22
Q

Cat 5 RJ45

Speed? Distance? Use?

A

Speed: 10/100 Mbps

Distance: 100meters

Both Cat 3 and Cat 5 Ethernet cables are, at this point, obsolete.

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23
Q

Cat 5e RJ45

Shielded? Speed? Distance?

A

Shielded

Speed: 1,000 Mbps / 1 Gbps

Distance: 100 meters

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24
Q

Cat 5e is currently the most common type of Ethernet cable, mainly due to

A

its low production cost and ability to support faster speeds than the original Cat 5 cables.

1,000 Mbps / 1 Gbps

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25
Cat 6 RJ45 Shielded or Unshielded, Speed: Mbit/s, Distance?
Shielded or Unshielded Speed: 1,000 Mbps / 1 Gbps Distance: 37-55 Meters
26
Cat 6 cables can technically support speeds up to
10 Gbps, but can only do so for up to 55 meters.
27
Cat 6a RJ45 Shielded or Unshielded, Speed, Distance?
Shielded Speed: 10,000 Mbps / 10 Gbps Distance: _100_ Meters
28
Cat 6a RJ45 Provides better
EMI and crosstalk protection than Cat 6 cabling.
29
Cat7 is suited for use in
datacenters and large enterprise network
30
Cat 7 GG45 TERA Shielded or Unshielded, Speed, Distance
Shielded Speed: 10,000 Mbps / 10 Gbps Distance: 100 Meters
31
Cat 7 cables are capable of reaching up to
100 Gbps at a range of 15 meters, making them an excellent choice for connecting modems or routers directly to your devices.
32
Cat 7 cables are always shielded and use a modified GG45 connector, which is
backward compatible with regular Ethernet ports.
33
# r Shielded Speed: 10,000 Mbps / 10 Gbps Distance: 100 Meters
Cat 7 GG45 TERA/ Cat 6a
34
Coaxial Advantages
- Highly resistant to EMI (electromagnetic interference) - Highly resistant to physical damage
35
Coaxial Disadvantages
- More expensive than UTP - Inflexible construction (more difficult to install) - Unsupported by newer networking standards
36
# r datacenters and large enterprise network
Cat7 is suited for use in
37
DB25 connector fact (3)
- An older connector used to be used with printers - Has 25 pins arranged in two rows.
38
DB9 connector
- An older connector used on peripherals like a mouse, keyboard, modem - 9 pin connector for a serial cable
39
Disadvantages of twisted pair cabling include: (2)
Interference from EMI. Eavesdropping.
40
# r easy to work with and less expensive than shielded cables.
Unshielded Twisted Pair UTP cables are
41
# r EMI and crosstalk protection than Cat 6 cabling.
Cat 6a RJ45 Provides better
42
# r Speed: 10 Mbit/s Distance: 100meters Both Cat 3 and Cat 5 Ethernet cables are, obsolete.
Cat 3 RJ45
43
# r Shielded Speed: 10,000 Mbps / 10 Gbps Distance: 100 Meters
Cat 7 GG45 TERA/ Cat 6a RJ45
44
# r Shielded or Unshielded Speed: 1,000 Mbps / 1 Gbps Distance: 37-55 Meters
Cat 6 RJ45
45
# r Speed: 10/100 Mbps Distance: 100meters
Cat 5 RJ45
46
# r Speed: 1Gbps Distance: 100 meters E for enhanced to eliminate crosstalk
Cat 5e RJ45
47
F-type Used to connect a Cable modem to... (2)
a broadband cable connection OR setup cable and satellite TV
48
Faster network protocols and standards have been designed to run
on twisted pair cabling.
49
Fiber - SC
- Single-mode and multi-mode cabling. - Mnemonics are Set-and-Click or Square Connector.
50
Fiber - SC - MTRJ
- Single-mode and multi-mode cabling. - Plastic connector with a locking tab. - Uses metal guide pins to ensure that it is properly aligned.
51
Fiber - ST (3)
-Used with single-mode and multi-mode cabling. Mnemonics are Set-and-Twist or Straight Tip.
52
Fiber Optic Cable Advantages (4)
- Immune to EMI (electromagnetic interference) - Highly resistant to eavesdropping - Support high data transmission rates - Allows greater cable distances without a repeater
53
Fiber Optic Cable Disadvantages (2)
- Very expensive - Difficult to work with Special training required
54
# r Flexibility, Cost, Ease of use
Advantages of twisted pair cabling include:
55
GG45 (3)
- Has eight connectors. - Supports four pairs of wires. - Backwards compatible with RJ45.
56
# r Highly resistant to EMI (electromagnetic interference) Highly resistant to physical damage
Coaxial Advantages
57
# r It has two pairs of twisted cable (a total of 4 wires).
RJ11 has how many pairs of cables?
58
# r minimize the effects of EMI from external sources, such as fluorescent light.
The main purpose of Shielded Twisted Pair (STP) is to
59
# r commonly used at the end of coaxial cables to transmit RF signals for equipment such as televisions and radios.
BNC Connector
60
Most shielded cables have a special grounding wire called...
a drain wire
61
RG-59 Uses & Ohms?
Short-distance video Resistance Rating: 75 ohms
62
RG-6 Uses(2), Ohms?
Television, digital cable Internet Resistance Rating: 75 ohms
63
Riser rated cables
- designed for installations that run between floors. - Riser requirements are not as strict as plenum requirements
64
RJ11 has how many pairs of cables?
It has two pairs of twisted cable (a total of 4 wires).
65
RJ11 Phone cable used to connect
A PC to a phone wall jack to establish a dial-up -Also used to connect a DSL modem to a telephone network.
66
RJ45 facts (3)
- Has eight connectors. - Supports up to four pairs of wires. - Used for Ethernet MAINLY
67
The main purpose of Shielded Twisted Pair (STP) is to
minimize the effects of EMI from external sources, such as fluorescent light.
68
# r Short-distance video Resistance Rating: 75 ohms
RG-59 Uses & Ohms?
69
# r Susceptible to interference from EMI. Susceptible to eavesdropping.
Disadvantages of twisted pair cabling include: (2)
70
# r Used to create cable and satellite TV connections Used to connect a cable modem to a broadband cable connection
F-type
71
When using coaxial cables, it is important to use cables
with the same resistance (impedance) rating.
72
# r with the same resistance (impedance) rating.
When using coaxial cables, it is important to use cables
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