A+ Better Final
What is the maximum distance of a Class 3 Bluetooth device?
1 meter
The VGA standard offers _______________ colors at a resolution of 640 × 480 pixels.
16
Which aspect ratio is used in widescreen monitors?
16:10
Marketed as and now generally accepted as a true 4G technology, LTE networks feature theoretical speeds of up to ______________ download and 75 Mbps upload?
300 Mbps
How many host IDs does a /20 network support? A. 1,048,574 (220 2)
4094 (212 2)
Under the class system, a Class B network supported up to _______________ host IDs.
65,534
Which setting in Windows 7 s Compatibility tab disables all display features such as Aero?
Disable desktop composition
Which identifier is a number that is tied to the user s account with the carrier and is included with a mobile device s SIM?
IMSI
Why is a hard reset the most disruptive reset option?
It removes all of a user s data and settings.
What term describes a group of networked computers that are typically located no more than a few hundred meters apart at most?
LAN
What type of screen does a portable device use?
LCD
What is it called when the system and all the components except for the real-time clock are powered down?
Mechanical off mode
Modern iOS and Android use _______________ to protect built-in storage, such that even a "finder" who dismantles the device cannot retrieve its documents.
full device encryption
An antenna strengthens and focuses the radio frequency (RF) output from a WAP. The ratio of increase called ______________ is measured in decibels (dB).
gain
A(n) _______________ laptop/tablet is most often a device with a tablet form factor that is designed to integrate with a detachable keyboard.
hybrid
Most laptops support a second _______________ via a digital port of some kind.
monitor
All LCD monitors have a(n) _______________ resolution, such as 1920 × 1080, that enables them to display the sharpest picture possible.
native
What command allows you to quickly view a network?
net
How many physical lines does the Basic Rate Interface (BRI) setup use?
one
A(n) _______________ is common during large public gatherings (such as a sporting event) or a widespread emergency that causes a surge in network use.
overloaded network
A(n) _______________ gesture is used to zoom in or out on a mobile device.
pinching
The command-line interface tells a user that it s ready to receive commands by displaying a specific set of characters called a(n) _______________.
prompt
Every form of wireless communication your mobile device is capable of (such as cellular voice, cellular data, Wi-Fi, Bluetooth, NFC, etc. ) corresponds to a _______________ inside the device.
radio
Which command deletes a directory in Windows?
rd
You can install multiple WAPs to permit "______________" between one WAP's coverage area and another's.
roaming
Which Windows command will copy encrypted files?
robocopy
The technology that allows video cards to borrow memory from Windows is called _______________.
shared memory
A(n) _______________ is the part of an operating system that handles low-level interaction between hardware and software.
supervisor
One way in which Android's relaxed controls are evident is the ability to install apps from _______________.
untrusted sources
______________ is designed to create small wireless networks preconfigured to do very specific jobs.
Bluetooth
WPA2 uses the ______________ to provide a secure wireless environment.
Advanced Encryption Standard (AES)
What is a Microsoft protocol used to synchronize Microsoft Exchange e-mail, contacts, and calendars that has become widely used across a range of mobile OS platforms and hardware vendors, including Apple and Android devices?
Exchange ActiveSync (EAS)
A service area that is extended by adding WAPs is called a(n) _____________.
Extended Basic Service Set (EBSS)
What is the screen size for a typical smartphone?
Five inches
How many binary characters are represented by one hexadecimal character?
Four
Dial-up links to the Internet have their own special hardware protocol called ______________.
Point-to-Point Protocol (PPP)
One of the features of power management enables the CPU to slow down or stop its clock without erasing register information. What is these options collectively called?
System Management Mode
What display type uses twisted nematic (TN) technology?
TFT
_______________ cabling is the specified cabling for 10/100/1000BaseT and is the predominant cabling system used today.
Unshielded twisted pair (UTP)
Which of these virtualization products is a commercial product (i.e. , not free)?
VMware Fusion
What WPA/WPA2 encryption version uses a RADIUS server for secure authentication?
WPA/WPA2-Enterprise
The fuser assembly in a laser printer is almost always separate from the _______________.
Toner cartridge
Which device invented at IBM has a pencil eraser sized joystick at the center of the keyboard?
TrackPoint
What cable type do Ethernet networks typically use?
Unshielded twisted pair (UTP)
What should you check first when troubleshooting wireless connectivity issues?
Wireless NIC link light
The _______________ is affected by how much light a sensor or camera on the front of the device can detect.
auto-adjustment
Your system won't boot, and you suspect that the boot.ini file is corrupt. To fix this problem, you enter ______________ from the Recovery Console.
bootcfg /rebuild
Which command repairs the master boot record, boot sector, or BCD store?
bootrec
A LAN is almost always a _______________.
broadcast domain
Most LCD backlights use _______________ technology, popular for its low power use, even brightness, and long life.
cold cathode fluorescent lamp
A(n) _______________ connector provides a video signal through a single cable that plugs into a standard RCA jack.
composite
Some phones may have a hidden _______________ or _______________ menu to help with diagnostics and calibration.
diagnostic, service
Software or hardware that converts the commands to and from the host machine into an entirely different platform is known as a(n) ________________.
emulator
System Protection falls under the category of _______________ software.
file recovery