CH7 Flashcards

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1
Q

What types of Interference can cause problems for Networks? (Choose All That Apply)?

EMI
RFI
STI
PCI

A

EMI
RFI

Electromagnetic Interference (EMI) and Radio Frequency Interference (RFI) can cause problems for networks.

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2
Q

A short-duration increase in AC Power is a ___________?

Power Spike
Power Surge
Power Sag
Surge Protector

A

Power Spike

A Power Surge is a Relatively Long Duration increase in AC Power.
Surge Protectors can protect against power spikes and surges.

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3
Q

The purpose of a UPS System is to provide long-term power when power fails?

True
False

A

False

Uninterruptible Power Supply (UPS) provides Short Term power if the power fails.
The goal is to keep the system operational long enough to do a logical shutdown or to allow a generator to power up and stabilize before shifting from UPS power to the generator power.

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4
Q

STP provides protection against interference and cross talk?

True
False

A

True

The Shielding in Shielded Twisted Pair (STP) provides protection against interference and cross talk.

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5
Q

The Max distance of CAT6 Twisted-Pair cable between two connections is _______ meters?

A

100

Twisted Pair is limited to no more than 100 Meters between devices.
A Repeater can extend the length of the cable.

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6
Q

What is the Speed of CAT6 Cable?

10 Mbps
100 Mbps
1000 Mbps
10000 Mbps

A

1000 Mbps

CAT6 cable is rated at 1000 Mbps.
CAT6a is rated at 10,000 Mbps.

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7
Q

What does the T represent in a 100BaseT cable?

A

Twisted Pair

The T indicates Twisted Pair, and currently used twisted-pair cables have 4 twisted pairs.

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8
Q

What tool can you use to capture traffic going across a network? (Choose All That Apply)

Microsoft’s Network Monitor
A Protocol Analyzer
A Network Sniffer
A Wire Crimper

A

Microsoft’s Network Monitor
A Protocol Analyzer
A Network Sniffer

Protocol Analyzers can capture traffic going across a network.
These are commonly called Sniffers, and Microsoft’s Network Monitor is one example of a Protocol Analyzer.

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9
Q

What frequency does 802.11g use?

2.4 GHz
5 GHz
2.4 & 5 GHz
9 GHz

A

2.4 GHz

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