The most common multiplexing technology used in conjunction

The most common multiplexing technology used in conjunction

Simplex, simplex, half-duplex

 

·         When an Ethernet NIC has been configured by the OS to use half-duplex, the transmit pair of the twisted-pair cable uses _____ transmissions, the receive pair in the cable uses ____ transmissions, and the twisted-pair cable uses ______ transmissions.

 

Ethernet

 

·         Which of the following is not an example of a broadband transmission?

 

Statistical multiplexing

 

·         Which kind of multiplexing assigns slots to nodes according to priority and need?

 

Analog

 

·         Which type of transmission is measured by baud rate?

 

Coaxial cable, coaxial cable, F-connector

 

·         What kind of cable uses BNC connectors? F-connectors? Which connector is likely to be used by cable TV?

 

Cat 5e and higher

 

·         Which categories of twisted-pair cable can support Gigabit Ethernet?

 

Cat 6

 

·         What is the earliest twisted-pair cabling standard that meets the minimum requirements for 10GBase-T transmissions?

 

NEXT

 

·         Which type of cross-talk occurs between wire pairs near the source of a signal?

 

Amplifier, repeater

 

·         What device can boost an analog signal? A digital signal?

 

Probe

 

·         Which part of a toner and probe kit emits a tone when it detects electrical activity on a wire pair?

 

​Sheath

 

·         ​What term below is used to describe the outer-most layer of protective covering of a coaxial cable?

 

10Base2

 

·         What Ethernet standard below is also referred to as "thinnet"?​

 

Cat 5e

 

·         What is the minimum category of UTP cable required in order to support Gigabit speeds?​

 

​10 Gbps

 

·         What is the maximum supported throughput of a CAT6 cable?​

 

4

 

·         How many cable pairs are needed for 1000Base-T transmission over CAT5e cable?​

 

​15.4 watts

 

·         Standard PoE devices ​must be provided with how much power in order to function?

 

40km

 

·         What is the maximum distance for 10GBase-ER and 10GBase-EW on a segment of single mode fiber?​

 

near end cross talk

 

·         What type of cross-talk occurs between wire pairs near the source of a signal? ​

 

​MT-RJ

 

·         Which of the following connectors is the most common for multimode fiber?​

 

​Amplitude

 

·         ​A measure of a signal's strength at any given time is known as which term below?

 

​Frequency

 

·         The number of times that a wave's amplitude cycles from its starting point, through its highest amplitude and its lowest amplitude, and back to its starting point over a fixed period of time, is known as ​what term below?
​amplitude

 

​40

 

·         ​WDM divides a beam of light into how many different wavelengths or colors?

 

CWDM

 

·         Which type of multiplexing is defined by wavelength instead of frequency?​

.

75 ohms

 

·         ​Which option below reflects the standard impedance of an RG-6 cable?

 

FDM

 

·         Phone companies make use of what type of multiplexing in order to allow for phone services and DSL services over the same line?​

 

​DWDM

 

·         The most common multiplexing technology used in conjunction with fiber optics is which option below?​

 

​A modem

 

·         A device that is responsible for modulating digital signals into analog signals, and demodulating analog signals into digital signals at the receiving end, is known as?​

 

Baseband

 

·         Ethernet is an example of what type of technology?​

 

 

​Broadband

 

·         Since cable TV and cable ​Internet can share the same coaxial cable, they are considered to be what type of technology?

 

​Multiplexing

 

·         Using a form of transmission that allows multiple signals to travel simultaneously over one medium is known as which of the following options?​