Data Connections and Data Transmission Quiz

Which of the following is an example of a de facto standard interface?

• USB

• Fire Wire

• Thunderbolt

• Lightning

What is the purpose of hot plugging in a USB interface?

• To add and remove devices while the computer is running

• To provide a digital interface for all serial and parallel devices

• To support transfer speeds of up to 3.2 Gbps

• To provide a 10-Gbps connection to peripheral devices

Which interface is currently found on Apple laptops and provides a 10-Gbps connection to peripheral devices?

• USB

• Fire Wire

• Thunderbolt

• Lightning

What is the primary connector on the newer versions of Apple's iPhone and iPad?

• USB

• Fire Wire

• Thunderbolt

• Lightning

Which interface is used for high-speed devices such as hard disk drives and tape drives?

• USB

• Fire Wire

• SCSI

• InfiniBand

Which interface is used in networks that require large amounts of peripheral storage and can carry multiple channels of data at the same time?

• InfiniBand

• Fibre Channel

• SCSI

• Fire Wire

What does bandwidth refer to?

• The data-carrying capacity of a channel or medium

• The leakage of signal from the medium

• The susceptibility of the media to external electrical noise

• The loss of energy as signal propagates outwards

What is the measure of delay in a network?

• Propagation time

• Transmission time

• Queuing time

• Processing delay

What is the unit of transmission in asynchronous connection?

• Sequence of characters

• Single character or byte of data

• Special kind of data link connection

• None of the above

What is the unit of transmission in synchronous connection?

• Sequence of characters

• Single character or byte of data

• Special kind of data link connection

• None of the above