1101: Chap 1 - Mobile Devices Flashcards
1101-Chap1-7: Your friend’s iPhone 13 will no longer charge. They have tried replacing the charging block and cable with compatible ones and tested the wall outlet. What should be done next?
Purchase a new phone
Purchase a new battery
Take the phone to a repair shop
Use a wireless charging pad
Take the phone to a repair shop
1101-Chap1-8: Your customer brought you a laptop with an internal battery that will no longer charge. You have told them that replacing the battery will be no problem at all. Which of the following will you need to do first?
Remove the back cover
Remove the keyboard
Disconnect the external power
Disconnect the LCD panel
Disconnect the external power
1101-Chap1-9: A coworker is having a problem with their laptop and has asked you to fix it. When an external keyboard is plugged in, the laptop works just fine but without it strange characters appear on the screen when typing. Which of the followng are likely causes? (Choose two)
The driver is corruped and needs to be updated/replaced
The ribbon cable it partially disconnected and needs to be reseated
The laptop needs to be replaced
There is debris under the keys
The driver is corruped and needs to be updated/replaced
The ribbon cable it partially disconnected and needs to be reseated
1101-Chap1-10: You’re working as the IT support person at an accounting firm. One of the accountants dropped their keyboard, and the number 5 key is no longer there. This is a critical problem for an accountant. What is the most cost effective way to get them up and running again?
Replace the laptop with a new one
Replace the entire keyboard
Replace the missing key
Give them a desktop computer to use
Replace the missing key
1101-Chap1-14: You need to replace a failed hard drive in a user’s laptop, and its a model you are unfamailiar with. You look at the bottom of the laptop and see no obviously entrance points. Which component will you most likely need to remove to acces the hard drive bay?
Plastics/frames
Battery
System board
Keyboard
Keyboard
1101-Chap1-22: Your cimpany is producing posters for an upcoming public relations campaign. THe project leader wants to embed information into an NFC Type 4 tag in the poster. How much information can this tag hold?
16 KB
32 KB
1.4 MB
2.4 MB
32 KB
NFC range is limited to 4 inches, about 10 cm.
Five tag types that range in speed from 106 kbps to 2424 kbps
Capacities range from 2 KB to 32 KB
Type 4 holds the most data but is slower than Type 3
1101-Chap1-23: Your customer has an iPhone 8 and wants to read and write NFC tags with it. What advice do you give them? (choose two)
- Their iPhone will only work with Apple Pay
- They need to upgrade to an iPhone X to write NFC tags
- With iOS 13 or better on their device, they’ll be able to read and write NFC tags using a third party app
- iPhone 12 and 13 can read NFC tags simply by holding the phone over the tag
- With iOS 13 or better on their device, they’ll be able to read and write NFC tags using a third party app
- iPhone 12 and 13 can read NFC tags simply by holding the phone over the tag
1101-Chap1-24: You’ve been asked by the company president what can be done with NFC in addition to paying for coffee. What will you tell them? (choose three)
Securely share data with someone you’re having lunch with
Beam data to someone 10 feet away
Transfer, files, photos and videos
Add information or URLs to business cards, making it easier for customers to learn about your products or services.
Securely share data with someone you’re having lunch with
Transfer, files, photos and videos
Add information or URLs to business cards, making it easier for customers to learn about your products or services.
What are three types of LCD displays?
Twisted Nematic (TN): uses least power; fast refresh rates; viewing angle is small
In-Plane Switching (IPS): better color; wide viewing angle; expensive and lower refresh rates
Vertical Alignement (VA): slowest reponse time of the three; best constrast and image depth;
Inverter
Store and convert energy from DC to AC. Have the potential to discharge that energy and can be dangerous to technicians.
Port Replicator
Similar to a docking station, main function is to let user connect several devices at once. Port replicators do not require the laptop to be present in order to have connectivity between the devices
1101-Chap1-52: You’re upgrading a user’s laptop from 802.11n to 802.11ac. What port will you most likely use inside the laptop?
PCI
PCIe
Mini PCIe
Mini PCIe x16
Mini PCIe
Note: mini is for laptops; There is no such thing as Mini PCIe x16
1101-Chap1-54: What port looks identifical to a Thunderbolt 3 connector but will not charge a connected device as quickly?
USB-C
miniUSB
USB-A
microUSB
USB-C
1101-Chap1-56: You’re the IT Manager for a manufacturing company. One of the corporate executives is questioning why you’re buying serial instead of parallel devices. You explain that serial transmits only one bit of information at a time, but it does so very fast compared to parallel. Which of the following will you tell them is not a serial connection?
Centronics
Thunderbolt
Lightning
USB-C
Centronics: a common name for a parallel port
Parallel ports are considered legacy today, as all modern connectors use very fast serial connections
1101-Chap1-60: You will be traveling to another country for work and will have a 10-hour airplane flight. You need to work on your laptop while on the flight, but your battery won’t last that long. What should you buy to allow you to use the auxiliary power outlets on the airplane?
AC Adapter
DC Adapter
Power Inverter
Docking Station
DC Adapter
This is bullshit because maybe 20 years ago planes had DC outlets, but today aircraft have AC adapters for passengers to use…
