Chapter 10 - Mobile Connectivity and Application Support Flashcards
A friend asks you why she would ever disable cellular data networking. Which of the following is not a valid reason to disable cellular data networking?
A. You have a limited amount of data in your monthly plan
B. You have access to a reliable Wi-Fi signal
C. You are about to download an update to your phone
D. Your phone calls are going out over your carrier’s cellular network
D. Whenever have a reliable Wi-Fi signal available, which you do not pay for “as you go,” you should feel free to disable your cellular access to data networking. The wireless network is often faster and does not cost you anything to use. If data networking works better when you leave the cellular network available as a fallback, you can choose to disable it only for certain large downloads or disable it completely until the download is complete. Phone calls will continue to be sent over the cellular network. This does not imply that your data is not using an available Wi-Fi connection. Therefore, unless you are particularly sensitive to the situation or know that data is going out over your cell access, you might not need to disable the cellular data-networking feature.
You need to pair two Bluetooth devices with each other. Which of the following is true regarding Bluetooth pairing?
A. Bluetooth connections support wireless device control but not file transfers.
B. Bluetooth is not yet a fully standardized protocol
C. Bluetooth connections do not reach as far as Wi-Fi connections
D. You must reboot the paired devices to complete the connnection
C. The range of Bluetooth connections is considered short compared to Wi-Fi connections. Bluetooth is a fully standardized protocol that supports file transfers using FTP. Rebooting, or even restarting, paired devices is not a requirement for Bluetooth connection.
A technician is configuring a mobile client to use email through an ISP. Which port number should they configure to use SMTP?
A. 25
B. 110
C. 143
D. 995
A. SMTP sends mail to the server on TCP port 25. POP3 uses port 100. IMAP4 uses port 143. POP3 uses port 995 securely over SSL or TLS.
You need to configure email for a mobile client. Their device has a setting referring to port 587. Which mail protocol is likely using this protocol?
A. SMTP with SSL
B. SMTP with TLS
C. IMAP4 with SSL/TLS
D. POP3 with SSL/TLS
B. SMTP with TLS uses port 587 by default. With SSL, SMTP uses port 465. IMAP4 with SSL/TLS uses port 993, while POP3 with SSL/TLS uses port 995.
You are enabling email on a mobile client. Which of the following is not a standard integrated commercial provider for email?
A. iCloud
B. Hotmail
C. Yahoo mail
D. Exchange Online
B. Four commercial email providers to be familiar with are iCloud, Google/Inbox, Exchange Online, and Yahoo Mail. Hotmail used to be a commercial email provider, but it no longer exists; it’s now part of Outlook.com.
If a user wanted to disable Location Services of an iPhone, where would they do that?
A. Settings > Location Services
B. Settings > Communications
C. Settings > Privacy
D. Settings > Data
C. In iOS (at least through iOS 15.3.1), Location Services are under Settings > Privacy. There are no Location Services, Communications, or GPS sections directly in Settings.
A mobile device is having intermittent communications issues. Which software component of a mobile phone is most likely responsible for these issues?
A. Either iOS or Android OS
B. SIM OS
C. Baseband OS
D. Wireless OS
C. Each mobile phone has a separate processor that manages wireless communications, also known as radio communications or baseband communications. There is a baseband OS that manages this, and it works with the primary OS on the phone. A SIM OS is for managing data transfers between the phone and the SIM chip. There is no wireless OS.
An administrator needs to be able to control which apps are installed on the corporate network’s mobile devices, and update or delete them and their data as necessary. Which type of service do they need?
A. MAM
B. MDM
C. Location services
D. Device synchronization
A. Mobile application management (MAM) is a service that allows administrators to control corporate software on mobile devices, including updating and wiping apps. Mobile device management (MDM) controls which devices are on the network and can wipe entire devices. Location services does not manage software. Synchronization can back up apps and data but does not help with updates or deleting apps.
You need to synchronize Windows desktop settings between two laptop computers. Which service is designed to do this?
A. Microsoft 365
B. MAM
C. MDM
D. ActiveSync
A. Microsoft 365 is able to sync desktop settings between multiple Windows-based computers. ActiveSync is for syncing mobile devices with an Exchange email server. Mobile application management (MAM) and mobile device management (MDM) are for managing apps and network access for mobile devices.
You are pairing a Bluetooth headset to a mobile device. On the mobile device, after finding the device for pairing, what is the next step to take?
A. Enable Bluetooth
B. Test connectivity
C. Enter the appropriate PIN code
D. Enable pairing
C. The next step is to enter the PIN code. The steps, in order, are as follows; enable Bluetooth, enabling pairing, find a device for pairing, enter the appropriate PIN code, and test connectivity.
Which of the following are universally common items that are synced between a mobile device and a larger computer? (Choose all that apply.)
A. Office documents
B. Contacts
C. Operating system files
D. Calendar
E. Configuration settings
F. Apps
B, D, F. Contacts, calendar, and apps are commonly synchronized, along with pictures, music, videos, email, bookmarks, documents, location data, social media data, e-books, and passwords.
Which of the following location services typically provides the best accuracy when detecting a user’s location?
A. Cellular
B. GPS
C. MAM
D. MDM
B. GPS is generally more accurate than cellular when determining location. MAM and MDM are mobile device management concepts, not location services.
Which of the following statements about configuring email access on a mobile device is true?
A. Most Internet mail services offer an Exchange option
B. The TCP ports used for configuring access are usually standard port numbers
C. Most ports used for access are UDP ports
D. You must download third-party apps for connecting to email services.
B. Mail access uses standard secure or unsecure TCP ports, not UDP ports. Exchange access to such mail services is not unheard of, but it is exceedingly rare. Mobile devices tend to have email clients built in.
Which of the following are disabled on an Android device when airplane mode is switched on? (Choose all that apply.)
A. Cellular
B. Wi-Fi
C. Bluetooth
D. Settings app
E. Lock screen
A, B, C. On an Android phone, airplane mode disables all radio communications, including cellular, Wi-Fi, and Bluetooth (and NFC as well). It does not affect the opening of any other apps or the lock screen. In recent versions of iOS, Bluetooth is not affected by airplane mode.
You need to enable clients to synchronize their mobile devices to their laptops. Which of the following are common connection types to enable laptop synchronization? (Choose all that apply.)
A. Cellular
B. Bluetooth
C. Wi-Fi
D. USB
E. Tethering
A, C, D. Three common connection types for synchronization to a desktop (or laptop) are cellular, Wi-Fi, and USB. Bluetooth is not used for desktop synchronization. Tethering is when a laptop or other device is granted cellular network access by connecting to a mobile device, a such as a smartphone.
