ESSENTIALS OF IST: FINAL EXAM QUESTIONS AND
VERIFIED ANSWERS
You need a piano keyboard to connect to a PC. Which of the following interfaces should
you look for on a piano keyboard? - Answers - MIDI
Which of the following supports all existing high-definition video formats along with
enhanced definition format and standard definition formats? - Answers - HDMI
Which of the following expansion ports would be used to enable transfer of power, data,
and video to peripheral devices on an Apple computer? - Answers - Thunderbolt
Which of the following expansion card types provides the interface necessary for remote
communications over phone or data lines? - Answers - Modem
Which of the following types of cable is used for cable television transmission and
provides maximum transmission speed of 10 Mbps up to 250 meters in length? -
Answers - RG-59
Which of the following connection types can be used simultaneously for video, storage,
and audio? - Answers - Thunderbolt
Which type of fiber-optic connector, containing one fiber-optic strand per connector, is
connected by pushing the connector into a terminating device and can be removed by
pulling the connector from the terminating device? - Answers - SC
Which of the following are the differences between USB 3.0 and USB 2.0?
Each correct answer represents a complete solution. Choose two. - Answers - Unlike
USB 2.0, USB 3.0 supports continuous bursting.
Unlike USB 2.0, USB 3.0 supports dual simplex communication pathways.
Which of the following is a small five-pin connector used for mobile devices? - Answers
- USB Mini B
Which connectors will you use to connect a serial port and an Ethernet port on a
switch?
Each correct answer represents a complete solution. Choose two. - Answers - RJ-45
DB-9
James, a technician, is upgrading the firmware on an older KVM switch. The
specifications call for a serial port to connect to the computer on one side, and an
Ethernet jack to connect to the switch on the other side. Which of the following
connectors does he need for this cable?
Each correct answer represents a complete solution. Choose two. - Answers - DB-9
,RJ-45
Which of the following external ports would a technician use to connect a keyboard to a
computer?
Each correct answer represents a complete solution. Choose all that apply. - Answers -
USB
PS/2
Which of the following USB connector standards is designed for USB peripherals, such
as printer, upstream port on hub, or other larger peripheral devices? - Answers - USB
Type-B
Which device is designed for only two devices to temporarily communicate over short
distances and only one of them even needs to be powered? - Answers - NFC
Which connector is used for wired analog telephone service and for dial-up modem
connections on computers? - Answers - RJ-11
Maria wants to use the mobile pay service on her smartphone but the device is unable
to perform the payment service. Which of the following features is missing from her
smartphone? - Answers - NFC
Which of the following is the form factor of a standard Parallel connector? - Answers -
DB-25
Which is an 18-pin connector designed to carry both digital and analog signals allowing
for one TMDS link? - Answers - DVI-I Single-Link
Jennifer, a user, needs to extend her computer capacity by connecting external storage
devices. Which of the following connectors will allow her to accomplish the task?
Each correct answer represents a complete solution. Choose two. - Answers - eSATA
IEEE 1394
A brownout has occurred within a building. A technician is repairing a workstation which
has a power light, but is not displaying anything on the screen and is not making any
sounds during boot up. Which of the following should be used to further troubleshoot the
workstation? - Answers - POST card
Which of the following connections are typically on the external PC chassis?
Each correct answer represents a complete solution. Choose two. - Answers - IEEE
1394
eSATA
Which is a low-speed serial connector found on old PCs and used for mice, external
modems, and various other devices? - Answers - RS-232
, Which physical interface standard is used to connect up to 127 peripheral devices to a
computer? - Answers - USB
Which of the following charging and data ports has a non-directional connector? -
Answers - USB Type-C
Jennifer, a user, wants to use a laptop outside the house and still remain connected to
the Internet. Which of the following would be the best choice for her to accomplish this
task? - Answers - Wireless card
Which of the following interfaces is capable of transmitting high-quality and high-
bandwidth streams of audio and video between devices? - Answers - HDMI
Which bluetooth version introduced Bluetooth Low Energy (BLE) technology? - Answers
- Bluetooth 4.x
Which connector type is used with USB on-the-go devices such as cellphones, GPS
units, PDAs, and digital cameras? - Answers - Micro USB A
Which of the following cables can be used for audio, video, and storage devices? -
Answers - Thunderbolt
Which of the following expansion card types provides the interface necessary for remote
communications, such as Internet over mobile phone? - Answers - Wireless
The ExpressCard technology is replaced by which of the following interface? - Answers
- Thunderbolt
Which of the following features are incorporated in USB 3.0 technology?
Each correct answer represents a complete solution. Choose all that apply. - Answers -
Backward compatibility with USB 2.0 and 1.1
Two unidirectional data paths
Enhanced power efficiency
A customer wants to transfer data from a DVR to a DVD. Which of the following should
be used on the workstation in order to extract the data for archiving? - Answers -
Capture card
Which of the following uses a single connector to deliver both video and audio without
using any conversion adapter? - Answers - HDMI
What is the minimum number of physical disk drives required in RAID 5? - Answers - 3
Which of the following RAID levels uses disk striping across at least three drives and
includes parity data? - Answers - RAID 5
VERIFIED ANSWERS
You need a piano keyboard to connect to a PC. Which of the following interfaces should
you look for on a piano keyboard? - Answers - MIDI
Which of the following supports all existing high-definition video formats along with
enhanced definition format and standard definition formats? - Answers - HDMI
Which of the following expansion ports would be used to enable transfer of power, data,
and video to peripheral devices on an Apple computer? - Answers - Thunderbolt
Which of the following expansion card types provides the interface necessary for remote
communications over phone or data lines? - Answers - Modem
Which of the following types of cable is used for cable television transmission and
provides maximum transmission speed of 10 Mbps up to 250 meters in length? -
Answers - RG-59
Which of the following connection types can be used simultaneously for video, storage,
and audio? - Answers - Thunderbolt
Which type of fiber-optic connector, containing one fiber-optic strand per connector, is
connected by pushing the connector into a terminating device and can be removed by
pulling the connector from the terminating device? - Answers - SC
Which of the following are the differences between USB 3.0 and USB 2.0?
Each correct answer represents a complete solution. Choose two. - Answers - Unlike
USB 2.0, USB 3.0 supports continuous bursting.
Unlike USB 2.0, USB 3.0 supports dual simplex communication pathways.
Which of the following is a small five-pin connector used for mobile devices? - Answers
- USB Mini B
Which connectors will you use to connect a serial port and an Ethernet port on a
switch?
Each correct answer represents a complete solution. Choose two. - Answers - RJ-45
DB-9
James, a technician, is upgrading the firmware on an older KVM switch. The
specifications call for a serial port to connect to the computer on one side, and an
Ethernet jack to connect to the switch on the other side. Which of the following
connectors does he need for this cable?
Each correct answer represents a complete solution. Choose two. - Answers - DB-9
,RJ-45
Which of the following external ports would a technician use to connect a keyboard to a
computer?
Each correct answer represents a complete solution. Choose all that apply. - Answers -
USB
PS/2
Which of the following USB connector standards is designed for USB peripherals, such
as printer, upstream port on hub, or other larger peripheral devices? - Answers - USB
Type-B
Which device is designed for only two devices to temporarily communicate over short
distances and only one of them even needs to be powered? - Answers - NFC
Which connector is used for wired analog telephone service and for dial-up modem
connections on computers? - Answers - RJ-11
Maria wants to use the mobile pay service on her smartphone but the device is unable
to perform the payment service. Which of the following features is missing from her
smartphone? - Answers - NFC
Which of the following is the form factor of a standard Parallel connector? - Answers -
DB-25
Which is an 18-pin connector designed to carry both digital and analog signals allowing
for one TMDS link? - Answers - DVI-I Single-Link
Jennifer, a user, needs to extend her computer capacity by connecting external storage
devices. Which of the following connectors will allow her to accomplish the task?
Each correct answer represents a complete solution. Choose two. - Answers - eSATA
IEEE 1394
A brownout has occurred within a building. A technician is repairing a workstation which
has a power light, but is not displaying anything on the screen and is not making any
sounds during boot up. Which of the following should be used to further troubleshoot the
workstation? - Answers - POST card
Which of the following connections are typically on the external PC chassis?
Each correct answer represents a complete solution. Choose two. - Answers - IEEE
1394
eSATA
Which is a low-speed serial connector found on old PCs and used for mice, external
modems, and various other devices? - Answers - RS-232
, Which physical interface standard is used to connect up to 127 peripheral devices to a
computer? - Answers - USB
Which of the following charging and data ports has a non-directional connector? -
Answers - USB Type-C
Jennifer, a user, wants to use a laptop outside the house and still remain connected to
the Internet. Which of the following would be the best choice for her to accomplish this
task? - Answers - Wireless card
Which of the following interfaces is capable of transmitting high-quality and high-
bandwidth streams of audio and video between devices? - Answers - HDMI
Which bluetooth version introduced Bluetooth Low Energy (BLE) technology? - Answers
- Bluetooth 4.x
Which connector type is used with USB on-the-go devices such as cellphones, GPS
units, PDAs, and digital cameras? - Answers - Micro USB A
Which of the following cables can be used for audio, video, and storage devices? -
Answers - Thunderbolt
Which of the following expansion card types provides the interface necessary for remote
communications, such as Internet over mobile phone? - Answers - Wireless
The ExpressCard technology is replaced by which of the following interface? - Answers
- Thunderbolt
Which of the following features are incorporated in USB 3.0 technology?
Each correct answer represents a complete solution. Choose all that apply. - Answers -
Backward compatibility with USB 2.0 and 1.1
Two unidirectional data paths
Enhanced power efficiency
A customer wants to transfer data from a DVR to a DVD. Which of the following should
be used on the workstation in order to extract the data for archiving? - Answers -
Capture card
Which of the following uses a single connector to deliver both video and audio without
using any conversion adapter? - Answers - HDMI
What is the minimum number of physical disk drives required in RAID 5? - Answers - 3
Which of the following RAID levels uses disk striping across at least three drives and
includes parity data? - Answers - RAID 5
