Computer Repair 1

Category 5 cable is limited to what transmission speed?

100 Mbps

Which category of cable would be appropriate for an Ethernet cable that requires speeds of up to 10 Gbps over distances of 100 meters.

CAT6A

Repeaters and extenders for both wired and wireless networks operate at which layer of the OSI model?

1

On which type of system would you most likely find on a touch pad?

A laptop computer

A radio firmware update is used to apply updates to which components of a mobile device?

A physical chip

Why might you choose to avoid backing up important data to a flash drive?

Because flash memory devices are easily lost or stolen.

In which implementation would you most likely find an RG6 connector?

Connected to a digital TV

Which type of video interface uses packetized data transmissions?

DisplayPort

For which device would use a lightning cable?

IPhone 5

The brightness of the lamp in a platform is indicated by which value?

Lumens

What is the primary benefit of using a dock station with a laptop?

Not having to continually/disconnect peripheral devices

Which basic mail function does S/MIME provide?

Securing Mail

A modem flatbed scanner would most likely use which interface?

USB

End users devices such as smartphones and tablets will typically connect to a SOHO network in which manner?

WI-FI

Which option would the closest analogy to the DNS Service?

a phonebook

Which type of mail service is a proprietary platform developed by Microsoft?

Exchange

Which performance feature of a webcam is responsible for producing motion in the video?

FPS

Which wearable technology would be best used to track sleep patterns?

Fitness monitors

Which types of external storage use no moving or mechanical parts?

Flash drives , Solid state drives

Which statements best describe the difference between a hub and a bridge?

Hubs come in Active and Passive varieties, Bridges do not.

Which Apple devices would support a lightning cable?

IPhone 5 and IPad 4

Which device would most likely use a DB9 connector?

Mouse

Hybrid hard drives combine which two features?

The capacity of hard drive disks, The speed of solid state drives.

If a monitor is described as being 27 inches, what does this value indicate?

The length of a screen on a diagonal.

Which characteristic of solid-state drives uniquely distinguish them from magnetic hard drives?

They are no moving parts.

Which features of a laptop ca generally be accessed by using the special function keys?

Toggle WI-FI, Adjust volume, Adjust screen brightness

Which device would be an input and an output device?

Touchscreen

A GPS device is best used for which application?

Tracking an object and determining location

In which scenarios would you most likely find a VR headset in use?

Training and simulations, computer gaming

Game controllers would most likely connect to your computer using which type of interface?

USB

Which synchronization connection type would be both fastest and more secure?

USB

Which type of interface would be the most commonly used for connecting a port replicator to your laptop?

USB

Which USB specification introduced a transfer rate of 480 Mbps?

USB 2.0

Which types of connections would you most likely find for a mouse and keyboard on recent years ?

USB and wireless.

Which features or hardware components are typically not available on a tablet?

USB ports and CD/DVD drives

To enable face-to-face communication on a desktop computer you should install which type of device?

Webcam

In which scenario would be most likely to use a smartphone over a tablet or a laptop?

When you need to make a call or send a text message

In which type of system would you most likely find a SODIMM chip style?

laptop

Which type of VPN configuration does not require any client software or manually initiated connections from client systems?

site-to-site

Which channels are typically considered to be good candidates for a wifi device operating in the 2.4GHz band?

1,6, and 11

What is the approximate transmission range of Bluetooth communications?

10 meters

Which type of power configuration would typically be found in the US and Canada?

110-120 Volts at 60 Hz

which decimal value correctly translates the binary value of 10101000?

168

NFC devices must be how close to one another for effective communication to occur?

2-3 cm

Which type of mobile device allows you to fold the unit into a "tent" or "A-frame" position?

2-in-1 convertible

Which physical chip types were used with DDR4 RAM?

288-pin DIMM and 256-pin SODIMM

The Lightweight Directory Access Protocol uses which port by default?

389

DDR3 RAM cycles how many times per bus cycle?

4

Which RAID level uses a parity calculation to allow for the reconstruction of lost data?

5

How many devices are supported in a daisy-chain configuration when using thunderbolt cables?

6

How wide is the memory bus on a system that uses single channel RAM?

64 bits

What is the storage capacity of a standard CD-ROM disk?

650-700 MB

Which email domain names would not be associated with an Apple icloud account?

@hotmail.com, and @live.com

Which features might you find on a 24 pin motherboard connector that makes it backward compatible with older motherboards?

A detachable 4-pin connector

A microphone and speakers would most likely be included as part of which type of device?

A laptop computer

For which implementation might you find an RJ-11 connector being used?

A modem, ADSL internet service, A phone line.

In which scenario would you most likely find a KVM switch being used?

A network administrator managing several network servers.

Which types of devices would most likely require 12 volts of power?

A newer CPU, Graphic cards, Fans

On which type of system would you most likely find an external optical drive?

A newer laptop computer

Which calculation is used to determine wattage?

Amps multiplied by volts

"Cloud" synchronization refers to to copying your data to which location?

An Internet hosted server

Game pads are often connected to a laptop or mobile device using which method?

Bluetooth

A BNC connector is most commonly found in use with which type of cable?

Coaxial

Which types of data would be most likely to be synchronized between any two devices?

Contacts, Calendar, and Email

Which connector is most commonly associated with an RS-252 interface?

DB9

If you need to convert between digital and analog video, which adapter would be required?

DVI-VGA

For which type of device would most likely use an eSATA connector?

Data interface for an external hard drive

ECC memory is able to perform which types of recovery when accessing data?

Detect and correct single but errors for each bye written.

The process of a laser beam focusing on the drum to drain the electrical charge happens in which stage of the laser printing?

Exposing

The area where obstacles may interface with Line of Sight wireless services, is known as what zone?

Fresnel

In which applications would you most likely find a smart card reader being used?>

Gaining access to a secure facility, reading banking or credit cards.

Which coaxial cable limitation is best described as power being transmitted by the braided shielding?

Ground loop

Which video can carry both video and audio information?

HDMI

A wifi connection often found in public areas that is usually accessed by logging on through a browser is also known as what?

Hotspot

802.11n offered improvements over earlier wifi implementations by primarily adding which features?

Increased signal intensity

A device is considered to be hot swappable if it supports which characteristic?

It can be connected or disconnected without turning off the host computer.

If the AC input of a power supply is listed as 110-240v. What does this indicate about the unit?

It can be used in either North America or Europe.

DDR2 referred to which performance characteristic as compared to DDR?

It cycled twice as many times per bus cycle.

Which statement best describes the features and uses of an e-reader?

It is an handheld device for accessing books, magazines, newspapers or documents.

Which quality of service component is described as resulting from variation of delays in a packet stream?

Jitter

Which operating system would not support installing a synchronization application such as ITunes?

MAC OS X 10.5, Windows XP, and MAC OS X 10.4 (Tiger)

Which memory card is the smallest in terms of size?

Micro SD card

What function does the shielding provide in shielded pair cabling?

More resistant to interference.

A chip reader that reads information by simply taping the card to the reader is using which type of communication?

NFC

What type of wireless communication has a range of only a few inches and is often used by payments?

NFC

Which display technology does not require additional background lighting?

OLED

CD, CD-R, and CD-RW are example objects that would be used with which type of input device?

Optical Drive

A WI-FI Analyzer can be used to determine which properties of wireless signals?

Optimal channel use, signal strength, and how often transmission errors are encountered

Which update typically contains a list of which frequencies are used in different geographic regions and help to ensure that a mobile device connects to the proper tower?

PRL

Which physical characteristic distinguishes parity RAM chips from non-parity RAM chips?

Parity RAM chips are longer, non-parity are smaller.

For which type of device would you use a molex connector?

Power interface for an internal hard drive, Power interface from a CD-ROM drive

A multi-meter can help to ascertain which properties of a cable?

Resistance, and continuity

Which device interface would be required if you wanted to install six hard drives into a server that were all using the same cable?

SCSI

Which component of the mobile communication process is responsible for storing user information and for identifying a device on the network?

SIM card

Requests over port 445 could be described as using which protocols ?

SMB

A physical laptop memory chip usually comes in which format?

SODIMM

Which statement best indicates the performance characteristics of a system using dual channel RAM?

Separate memory chips can be accessed simultaneously over each channel.

SCSI device connectors would most likely be found in use with which type of system?

Servers

Which statement best describes the basic purpose of VPN?

Service that creates a direct connection to another network.

Signing into a blogging website by using your Facebook credentials would be an example of which process?

Single Sign-On (SSO)

The process of sharing an internet connection from a mobile device to a laptop over a USB cable is also known as?

Tethering

The clock speed of SDRAM is determined by which factor?

The speed of the system bus used by the speed.

Which statement best indicates the performance characteristics of a system using triple channel RAM?

The total memory bus width will be 192 bits

The WI-FI Antenna of a laptop computer should ideally be placed where?

The upper most portion of the lid

Which USB connector is reversible?

USB-C

Which approach best describes implementing security of a laptop?

Using a cable or lock to prevent theft.

Which connection methods would most likely implement for devices in a PAN?

Wifi, Bluetooth