Cabling and Topology

Question 1

Coaxial Cables

Answer 1

RG-58: 50-ohm, BNC

RG-59: 75-ohm, F-type

RG-6: 75-ohm, F-type

Question 2

CAT Ratings:

CAT 3

CAT 5

CAT 5e

CAT 6

CAT 6a

CAT 7

Answer 2

CAR Rating / Max Frequency / Max Bandwidth

CAT 3 - 16 MHz - 16 Mbps

CAT 5 - 100 MHz - 100 Mbps

CAT 5e - 100 MHz - 1000 Gbps

CAT 6 - 250 MHz - 10 Gbps

CAT 6a - 500 MHz - 10 Gbps

CAT 7 - 600 MHz - 10+ Gbps

Question 3

MMF

Answer 3

Multimode fiber - uses LED’s to send signals. usually transmits at 850nm

Question 4

SMF

Answer 4

Single-mode Fiber - uses laser light. prevents modal distortion

usually transmits at 1310nm or 1550nm

Question 5

Fiber Connectors

Answer 5

Question 6

Fiber Connectors

Answer 6

Question 7

Serial Cable

Answer 7

RS-232 - recommended standard

DB-9 - 9-pin connector

Question 8

Parallel cable

Answer 8

IEEE 1284 - standard for parallel communication

DB-25 connector

Question 9

IEEE 802.1

Answer 9

Higher layer LAN Protocols (with many subcommitties)

Question 10

IEEE 802.3

Answer 10

Ethernet

Question 11

IEEE 802.11

Answer 11

Wireless LAN like WIFI

Question 12

IEEE 802.15

Answer 12

WPAN - wireless personal area network

Question 13

IEEE 802.18

Answer 13

radio regulatory technical advisory group

Question 14

IEEE 802.19

Answer 14

wireless coexistance working group

Question 15

IEEE 802.20

Answer 15

MBWA - mobile broadband wireless access

Question 16

IEEE 802.21

Answer 16

media indepentent handover services

Question 17

IEEE 802.22

Answer 17

wireless regional area networks