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My A+ part 1 > CABLES and MODEMS > Flashcards

CABLES and MODEMS Flashcards

1
Q

What is used to terminate serial/RS-232 cables?

A

DB-9

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2
Q

What are serial cables often associated with today?

A

Dial-up modems.

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3
Q

Dial-up modems are associated with what connector?

A

DB-9

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4
Q

Dial-up modems and legacy network equipment are associated with what cable type?

A

serial cables (coaxial)

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5
Q

Name three connectors associated with coaxial cables.

A

BNC, DB-9, F-tip

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6
Q

BNC connectors are attached to what kind of cable?

A

coaxial

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7
Q

What are BNC coaxial cables typically used for today?

A

DS3 WANs

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8
Q

DS3 WANs often what use kind of connector?

A

BNC

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9
Q

What would you connect to a cable modem?

A

RG-6 with F-tip

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10
Q

RG-6 has replaced what type of cable?

A

RG-59

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11
Q

What is RG-59 used for today usually?

A

Security cameras, patch panels. Very short range.

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12
Q

DB-9 connects with what modem?

A

Dial-up

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13
Q

F-tip connectors are used on what two cable types?

A

RG-6, RG-59

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14
Q

RS-232 uses what connector?

A

DB-9

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15
Q

RS-232 is synonymous with what cable type?

A

serial cable

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16
Q

___ is limited to 56kbps per second, making rather slow.

A

Dial-up

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17
Q

F-tip connectors are associated with what modem?

A

Cable

18
Q

Cable TV uses what connector and cable type?

A

F-tip, RG-6

19
Q

What cable and connector would be used for a patch panel or CCTV?

A

RG-59, F-tip

20
Q

DSL uses what kind of cable?

A

twisted pair

21
Q

DSL uses what kind of connector?

A

RJ-11

22
Q

RJ-11 is associated with what kind of modem?

A

DSL modem

23
Q

What 3 kinds of connectors are associated with fiber-optic connections?

A

SC - subscriber connector
LC- lucent connector
ST- straight-tip connector

24
Q

What are the characteristics of LC, SC, and ST fiber optic connectors?

A

LC- small, saves space
SC- simple design, clips in place
ST- secure design, twists in place

25
Q

F-tip connectors are also known as ___ connectors.

A

threaded

26
Q

If you’re patching a digital cable connection from a cable modem to nearby devices you may be using what kind of cable?

A

RG-59

27
Q

Category ___ Ethernet cable supports data rates up to 100 Mbps.

A

5

28
Q

Category ___ Ethernet cable supports data rates up to 1 Gbps.

A

5e

29
Q

Category ___ Ethernet cable supports data rates up to 10 Gbps over a maximum of 55m.

A

6

30
Q

___ cable supports data rates up to 1 Gbps up to 100m.

A

Cat5e

31
Q

___ supports data rates up to 10 Gbps up to 55 meters.

A

Cat6

32
Q

___ cable supports data rates up to 100 Mbps up to 100m.

A

Cat5

33
Q

What is the maximum length of an Ethernet cable?

A

100m (~328ft)

34
Q

What two cables are used for gigabit Ethernet?

A 
Cat 5e
Cat 6 (faster than 5e if <55m, more expensive)
35
Q

___ are solid cabling used for “permanent” links, such as cable running through walls.

A

Drop cables

36
Q

___ fiber carries only one light path, typically sourced by a laser. Longer range but expensive.

A

Single-mode

37
Q

___ carries multiple light paths and is sourced by an LED. Shorter range, but cheaper.

A

Multimode

38
Q

While there are many types of serial cables, the term “serial cable” usually refers to a specific type of cable that confirms to the ___ specification. Serial cables are most often used to connect a laptop to the console or management port of a network device.

A

RS-232

39
Q

What is the difference between DSL, Cable, ISDN, and Dial-up modem internet connections?

A

DSL: Uses RJ-11 tipped TP cables. Terminated at a local switching center, which connects to central office.

Cable: Uses F-tip RG-6 cables. Uses coax cables designed to transmit video and audio. Very fast. Bidirectional?

Dial-up: Uses DB-9 tipped RS-232(serial) cables. Must dial a number for it to work.

IDSN:

40
Q

What is the difference between DSL, dial-up, and ISDN?

A

ISDN and dial-up require a number to be dialed unlike DSL, which is “always on”.

Dial-up unlike ISDN and DSL is analogue and not digital.

41
Q

What kind of signal is Dial-up?

A

analog

42
Q

What kind of signal must dial-up be converted to in order for it to provide internet?

A

digital

My A+ part 1 (45 decks)

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