PHYSICAL LAYER (LAYER 1)

Question 1

PHYSICAL LAYER

Answer 1

FIRST LAYER OF THE OSI MODEL WHERE INFORMATION IS TRANSFERRED AS BITS

Question 2

TRANSITION MODULATION

Answer 2

SWITCHING STATUS IN A WIRE TO REPRESENT A 1 OR 0

Question 3

RJ-45 CONNECTOR

Answer 3

CONNECTOR USED IN CAT5/CAT6 COPPER WIRING

Question 4

TIA/EIA-568A

Question 5

TIA/EIA-568B

Question 6

CROSSOVER CABLES

Answer 6

CABLES WITH TIA/EIA-568A ON ONE END AND TIA/EIA-568B ON THE OTHER END

Question 7

STRAIGHT-THROUGH CABLES

Answer 7

TIA/EIA-568B ON BOTH ENDS

Question 8

ASYNCHRONOUS COMMUNICATION

Answer 8

START AND STOP BITS FOR OUT OF SYNC DATA TRANSMISSION

Question 9

SYNCHRONOUS COMMUNICATION

Answer 9

REAL-TIME COMMUNICATION USING A COMMON TIME SOURCE

Question 10

BROADBAND

Answer 10

DIVIDES THE BANDWIDTH INTO SEPARATE CHANNELS

Question 11

BASEBAND

Answer 11

USES ALL FREQUENCY OF THE CABLE ALL THE TIME

Question 12

TIME DIVISION MULTIPLEXING (TDM)

Answer 12

ALLOCATES DEDICATED TIME SLOTS

Question 13

STATISTICAL TIME DIVISION MULTIPLEXING (StatTDM)

Answer 13

DYNAMICALLY ALLOCATES TIME SLOTS BASED ON WHEN PEOPLE NEED IT

Question 14

FREQUENCY DIVISION MULTIPLEXING (FDM)

Answer 14

DIVIDES THE MEDIUM INTO CHANNELS