14. Internet Connections Flashcards

1
Q

In broadband cable service what device is used to modulate and demodulator a signal?

A

Cable modem

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2
Q

What are some of the characteristics of Asymmetric DSL?

A

Provide more download than upload and phone connectivity and internet service can coexist on the same phone line

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3
Q

What are the characteristics of TC?

A

Central location for wiring equipment and devices within a building

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4
Q

What are the characteristics of MDF?

A

Manages telecommunications wiring between external Telco lines and internal network devices.

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5
Q

What are the characteristics of Punch Block?

A

Connection method for telephone and network wires using insulation displacement.

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6
Q

What are some of the characteristics of satellites?

A

Connectivity can be expensive and data transmission occurs over long distances, and it is commonly used in remote regions where connectivity options are limited.

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7
Q

What is a 110 wiring block most commonly used for?

A

Cat-5 systems and structured wiring

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8
Q

The IP address on your client system is 169.254.0.16 and the subnet mask is 255.255.0.0

How does this relate to the recent inability to access the internet?

A

The system needs the correct IP configuration from DHCP

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9
Q

What are cellular technologies such as 3G services used for?

A

Texting,
Digital data,
Phone service,

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10
Q

Which scenario would a toner probe be most useful for?

A

Determining where the other end of a wire is located.

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11
Q

At what speed could a dial-up modem typically connect at?

A

56 Kbps

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12
Q

What are common reasons for slow transfer speeds on a wireless network?

A

Low signal strength and too much noise

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13
Q

Which tool is provided to remove the protective coating from a cable?

A

Wire stripper

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14
Q

Which of the following are correct about line of sight?

A

It is known to exhibit the Fresnel effect.

It applies to microwave connections.

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15
Q

What is the purpose of using loopback plugs?

A

To test sending and receiving activity of ports.

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16
Q

What are the possible causes of a duplicate IP address?

A

Statically configuring the same IP address on two devices

Multiple DHCP servers with overlapping address pools.

17
Q

What characteristics accurately describe Integrated Services Digital Network, or ISDN?

A

ISDN uses the existing phone line.

ISDN D channels are used for signalling.

ISDN BRI has 2 B channels and 1 D channel

18
Q

Which elements are associated uniquely with a fibre-optic SONET network?

A

Dual ring

Counter-current direction