CABLES and MODEMS

Question 1

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

Answer 1

DB-9

Question 2

What are serial cables often associated with today?

Answer 2

Dial-up modems.

Question 3

Dial-up modems are associated with what connector?

Answer 3

DB-9

Question 4

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

Answer 4

serial cables (coaxial)

Question 5

Name three connectors associated with coaxial cables.

Answer 5

BNC, DB-9, F-tip

Question 6

BNC connectors are attached to what kind of cable?

Answer 6

coaxial

Question 7

What are BNC coaxial cables typically used for today?

Answer 7

DS3 WANs

Question 8

DS3 WANs often what use kind of connector?

Answer 8

BNC

Question 9

What would you connect to a cable modem?

Answer 9

RG-6 with F-tip

Question 10

RG-6 has replaced what type of cable?

Answer 10

RG-59

Question 11

What is RG-59 used for today usually?

Answer 11

Security cameras, patch panels. Very short range.

Question 12

DB-9 connects with what modem?

Answer 12

Dial-up

Question 13

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

Answer 13

RG-6, RG-59

Question 14

RS-232 uses what connector?

Answer 14

DB-9

Question 15

RS-232 is synonymous with what cable type?

Answer 15

serial cable

Question 16

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

Answer 16

Dial-up

Question 17

F-tip connectors are associated with what modem?

Answer 17

Cable

Question 18

Cable TV uses what connector and cable type?

Answer 18

F-tip, RG-6

Question 19

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

Answer 19

RG-59, F-tip

Question 20

DSL uses what kind of cable?

Answer 20

twisted pair

Question 21

DSL uses what kind of connector?

Answer 21

RJ-11

Question 22

RJ-11 is associated with what kind of modem?

Answer 22

DSL modem

Question 23

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

Answer 23

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

Question 24

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

Answer 24

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

Question 25

F-tip connectors are also known as ___ connectors.

Answer 25

threaded

Question 26

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

Answer 26

RG-59

Question 27

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

Answer 27

5

Question 28

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

Answer 28

5e

Question 29

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

Answer 29

6

Question 30

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

Answer 30

Cat5e

Question 31

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

Answer 31

Cat6

Question 32

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

Answer 32

Cat5

Question 33

What is the maximum length of an Ethernet cable?

Answer 33

100m (~328ft)

Question 34

What two cables are used for gigabit Ethernet?

Answer 34

``` Cat 5e Cat 6 (faster than 5e if <55m, more expensive) ```

Question 35

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

Answer 35

Drop cables

Question 36

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

Answer 36

Single-mode

Question 37

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

Answer 37

Multimode

Question 38

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.

Answer 38

RS-232

Question 39

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

Answer 39

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:

Question 40

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

Answer 40

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.

Question 41

What kind of signal is Dial-up?

Answer 41

analog

Question 42

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

Answer 42

digital