Chapter 25

22. POP3 uses TCP port _______________.

110

23. IMAP4 uses TCP port _______________.

143

24. SMTP uses TCP port _______________.

25

26. Secure SMTP uses TCP port _______________.

465

4. What is the screen size for most phablets today?

5.5 to 6.5 inches

3. What is the screen size for a typical tablet?

7 to 12 inches

20. Mobile devices connect to the outside world through the cellular networks or through various _______________ Wi-Fi standards.

802.11

14. Generally, mobile devices have two types of radios: _______________.

802.11 and Bluetooth

25. Secure IMAP4 uses TCP port _______________.

993

6. What are the steps involved in pairing a Bluetooth device with a tablet?

Enable Bluetooth on the tablet; turn on the Bluetooth device; use the tablet to discover and select the Bluetooth device for pairing; enter a PIN code or other pairing sequence

8. What type of screen technology does the Apple iPad use?

In-Plane Switching (IPS)

6. Which wearable device is essentially a compact Windows 10 computer with sensors, 3-D display, great sound, and an optimized user interface, all in a single set of glasses?

HoloLens

16. Which identifier represents the unique 15-digit number of a mobile device?

IMEI

7. Which of the following is a 15-digit number used to uniquely identify a mobile device that connects to a cellular network?

IMEI

17. 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

18. A(n) ______________ number can be used to unlock a phone.

IMSI

13. Placing your phone in a basic protective cover will not protect the phone from:

Immersion in water

11. John returned from a cruise to the Bahamas and got a bill from his cell phone company (Sprint) that was over $1000. What could have happened?

John's smartphone connected to the Internet in the Bahamas via a cell provider that wasn't Sprint

27. 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

21. The most common way to connect to a Wi-Fi network is through the _______________ app.

Settings

11. What is the name of Apples's virtual assistant?

Siri

10. Swiping and pinching are graphical user interface (GUI) _____________.

gestures

5. The stereotypical e-reader uses a low-power _______________ screen technology called e-paper.

grayscale

Which operating system powers an Apple mobile device?

iOS

30. Infrared Data Association (IrDA) requires _______________, meaning that devices have to be directly facing each other, requires very short distances (sometimes inches) between devices, and has very slow data rates.

line of sight

9. 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

29. 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)

10. Tim wants to listen to music on his iPad. Which of the following are connectivity options for his headset? (Select two.)

Bluetooth and 3.5-mm audio jack

9. Name the primary feature that separates a smartphone from a tablet.

Capability to make telephone calls

12. What is the name of Microsoft's virtual assistant?

Cortana

14. Which mobile OS enables developers to customize the user experience without restrictions?

Android

28. 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)

2. What is the screen size for a typical smartphone?

Five inches

5. What can a government use to determine your location at a specific time as long as you're using your mobile device?

Geotracking

4. Which mobile device screen technology uses no backlight?

OLED

15. The _______________ is a priority-ordered list of the other carrier networks and frequencies it should search for when it cannot locate its home carrier's network.

Preferred Roaming List (PRL)

19. An SSL-based VPN uses the standard SSL port, _______________.

TCP 443

1. What was one of the earliest types of mobile devices?

The personal digital assistant (PDA)

15. What information do you need to connect an Android-based tablet to an IMAP account?

User name, password, sending and receiving server addresses

3. John has a high-resolution image on his iPad of his 2-year-old son and the family dog. The image initially displays smaller than the screen, so he wants to zoom in to get the details of his son's expression. What gesture can he use to accomplish this task?

Touch his son's face on the screen with his thumb and finger, then and pinch outward to scroll in

7. What type of screen technology do the less expensive portable devices and desktop monitors use?

Twisted nematic (TN)

8. Which of the following connectors are not keyed, allowing them to be inserted in two orientations instead of just one? (Select two.)

USB Type-C and Lightning

12. Galina has an application that tracks her location for people she invites via the application to know her whereabouts. She's coming into town a few days early for a friend's surprise birthday party, but doesn't want the friend to notice she's in town. What is the best course of action?

Uninvite the person using the application.

2. Which feature of some mobile devices allows you to place phone calls over an 802.11 network?

Wi-Fi calling

13. The _______________ feature enables smartphones to receive broadcasts from national emergency broadcast systems, such as the Emergency Alert System (EAS) in the United States.

emergency notification