Chp 24-27
POP3 uses TCP port
110
IMAP4 uses TCP port
143
What is the common ratio for laptops today?
16:9
Most current laptops use what kind of DDR4 SO-DIMMs?
204-pin
SMTP uses TCP port
25
What size audio port do laptops have?
3.5-mm
Secure SMTP uses TCP port
465
What is the screen size for most phablets today?
5.5 - 6.5 inches
What is the screen size for a typical tablet?
7 - 12 inches
Batteries should be charged to at least how much when in storage?
70-80 percent
Mobile devices connect to the outside world through the cellular networks or through various _______________ Wi-Fi standards.
802.11
Generally, mobile devices have two types of radios:
802.11 and Bluetooth
Secure IMAP4 uses TCP port
993
Why might you run into connectivity problems at large public gatherings?
An overloading network
In Android, where would you go to force stop an app?
Application manager
What hidden menu might exist to help with device calibration?
Calibration menu
What is the name of Google's Linux-based computer?
Chromebook
What is the name of Microsoft's virtual assistant?
Cortana
A mobile device overheats for seemingly no reason. What is the most likely cause?
Defective battery
What term refers to a laptop that features a massive screen, a full size keyboard, an optical drive (or maybe two), and plenty of hard drive space?
Desktop Replacement
What is one major indicator of a weak cellular signal?
Dropped connections
The _________ feature enables smartphones to receive broadcasts from national emergency broadcast systems.
Emergency notification
What is the successor to APM and specifies global and sleeping power states?
Energy Star
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?
Exchange ActiveSync (EAS)
What is the screen size for a typical smartphone?
Five inches
What special key on a laptop enables a user to switch features on and off, such as wireless networking, cellular networking, and Bluetooth?
Function (FN)
What is the most accurate way to get a device's location?
GPS
What is the process in which an organization tracks when its employees enter or exit a predefined area?
Geofencing
Swiping and pinching are graphical user interface (GUI) ___________.
Gestures
What digital ports support a second monitor on many laptops?
HDMI, DisplayPort, DVI
What is it called when hold a system's power button for several seconds util it turns completely off?
Hard reboot
Factory reset, or reset to factory default, is also known as ?
Hard reset
What special type of "suspend" occurs when critical configuration information is written to the hard drive?
Hibernation
Which wearable device is essentially a compact Windows 10 with sensors, 3-D display, great sound, and an optimized user interface, all in a single set of glasses?
HoloLens
Which identifier represents the unique 15-digit number of a mobile device?
IMEI
A(n) ________ number can be used to unlock a phone
IMSI
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
What type of panels will be found on higher-grade today?
IPS
What type of screen technology does the Apple iPAd use?
In-Plane Switching (IPS)
How is a hard reset the most disruptive reset option?
It removes all of a user's data settings
Removing OS restrictions on an Apple device is known as?
Jailbreaking
What type of screen does a portable device use?
LCD
Modern mobile devices use what type of battery?
Li-Ion
Which batteries cannot be used as replacement batteries in other systems?
Li-Ion
Which battery has a downside of exploding if overcharged or punctured?
Li-Ion
What do laptops often come with to indicate that the webcam is on?
Light
Infrared Data Association (IrDA) requires _______________, meaning that devices have to be directly facing each other, requires very short distances between devices, and has very slow data rates.
Line of sight
Users rely on ____________ to conveniently find things near them, such as stores and restaurants, or to determine when your Uber driver will show up.
Location services
Which two typical types of finish are available for laptop LCD screens?
Matte and high-gloss
What is it called when the system and all the components expect for the real-time clock are powered down?
Mechanical off mode
Who started the tablet PC initiative in 2001?
Microsoft
When should you attempt to repair a battery?
Never
What key might be turned on if you're getting numbers when you're expecting to get numbers?
Numlock
Ancient laptops might have what type of drive?
PATA
What was one of the earliest types of mobile devices?
Personal digital assistant (PDA)
The _______________ is a priority-ordered list of other carrier networks and frequencies it should search for when it cannot locate its home carrier's network.
Preferred Roaming List (PRL)
Which term refers to a collection of configuration and security settings that an administrator has created?
Profile
What feature is usually not included on hybrids, Ultradbooks, and other smaller portables?
RJ-45
What is a last resort you can do if your device is stolen?
Remote wipe
Removing OS restrictions on an Android device is known as?
Rooting
Which standard is used to configure digital signature settings for e-mail and contacts from the corporate address book, depending on how the corporate e-mail server is set up?
S/MIME
Most mobile devices allow the user to set a(n) ____________ by using password, PIN, pattern, fingerprint, and/or facial recognition to block strangers from accessing the device.
Screen lock
The most common way to connect to a Wi-Fi network is through the _____________ app.
Settings
What technology is used in laptop video cards to reduce cost?
Shared memory
What type of authentication is a username and a password?
Signle-factor authentication
What term refers to the process of using an active authenticated session to log in to other accounts such as Google, Apple ID, Facebook, and Twitter?
Single sign-on (SSO)
What is the name of Apple's virtual assistant?
Siri
What allows a user to log into a computer with a card and PIN number?
Smart Card Reader
What term describes restarting a mobile device, whether you do it from within the OS or with hardware buttons on the device?
Soft reset
What type of battery will often go unnoticed and the symptoms it creates may be heard to identify?
Swollen
What might be the result of too many failed login attempts?
System lockout
One of the features of power management enables the CPU to slow down or stop its clock without erasing register information. What is these option collectively called?
System management mode
An SSL-based VPN uses the standard SSL port,_________.
TCP 443
Having a user logon at a certain time of day, or even within so many seconds or minutes of another event, is known as a(n) _______________ factor.
Temporal
PGP and S/MIME are examples of _____?
encryption standards
Generally, mobile devices do not include a _____________ because they do not have a lot of services listening on open ports.
firewall
What does a multi touch touchpad allow a user to do?
gesture
The stereotypical e-reader uses a low-power __________ screen technology called e-paper.
grayscale
Because mobile device hardware typically cannot be repaired or replaced by a user or field tech, mobile device troubleshooting focuses on what type of issue?
software
Which laptop-pointing device is most commonly used today?
touchpad
Settings up equipment to spoof a carrier's tower and infrastructure is known as ___________.
tower spoofing
Which device invented at IBM has a pencil eraser-sized joystick at the center of the keyboard?
trackpoint
What might a dim display mean?
There is a problem with the display panel
A hot, sluggish device might use __________ to protect the device's CPU from heat damage?
Thermal throttling
What is a feature of the 2-i-1 laptop?
Touchscreen
What type of screen technology do the less expensive portable devices and desktop monitors use?
Twisted nematic (TN)
What is gradually replacing portable-specific expansion slots?
USB
What type of laptop is thin, light, and powerful, and is as much about power and portability as it is about looks?
Ultrabook
When a mobile app is shut down, what might the user lose?
Unsaved data
Most mobile devices have a few __________ stickers that change color when exposed to water.
Water contact
Besides the display, what is a very large battery drain for a mobile device?
Wireless communication