Also check :FREE ENVATO ELEMENT ACCOUNT HERE 1. To clean laptops, which two products are recommended? (Choose two.)
Explanation: To clean a laptop computer, mild substances and lint-free cloths are required. Cleaners should be nonabrasive. Otherwise they can damage the laptop components. 2. What are three common input devices found on laptops? (Choose three.)
Explanation: Touchpads, fingerprint readers, and web cameras are common devices on modern laptops. An external monitor is an output device. While a PS/2 keyboard is an input device, it is not commonly used with laptops. An AC power connector provides a method to recharge the battery, but provides no data input to the laptop.? 3. Which two statements are true of a laptop CPU when compared to a desktop CPU? (Choose two.)
Explanation: Laptop CPUs are designed to use less power and generate less heat than desktop CPUs. 4. A technician has been asked to decide which laptop components should be cleaned on a monthly basis as part of a maintenance routine. What are two examples of components that should be included? (Choose two.)
Explanation: Routine preventive maintenance includes the cleaning of parts that can get dirty with everyday use. Internal components are not required to be cleaned as often as external parts. Nonabrasive cleaners should be used to ensure that no damage is caused to laptop components. 5. What are two methods typically used on a mobile device to provide internet connectivity? (Choose two.)
Explanation: Mobile devices commonly use Wi-Fi and cellular to connect to the internet. The cellular connection uses the cellular data network for a fee. The Wi-Fi connection uses an 802.11 wireless network in the area to connect to the internet. 6. A customer brings a laptop into a computer repair shop. The technician can tell that the laptop is powered on by the power light, but nothing displays on the screen. What are two possible issues that could cause this symptom? (Choose two.)
Explanation: A dark screen on a laptop when the display is up and the laptop is powered on could happen because the laptop is in sleep mode. Tap a key to see if that is the case. If that does not work, remove the battery and AC power cord, then reinstall the battery and attach the power cord and try powering on again. The problem could also be a dirty or damaged screen cutoff switch. Use the repair manual to locate and clean or replace the switch. 7. Which type of RAM modules are designed for the space limitations of laptops? Explanation: SRAM is not used for desktops or laptops as a RAM module, but as L1 cache inside the CPU. SIMMs were replaced by DIMMs on desktops as RAM modules. 8. What is a design consideration for mobile CPUs used in laptops compared with desktop CPUs?
Explanation: Laptop CPUs are designed to generate less heat and therefore require smaller cooling mechanisms than their desktop counterparts. 9. Which protocol can be used to transfer messages from an email server to an email client? Explanation: SMTP is used to send mail from the client to the server but POP3 is used to download mail from the server to the client. HTTP and SNMP are protocols that are unrelated to email. 10. What is a characteristic of laptop motherboards?
Explanation: Laptop motherboards are proprietary and vary based on the manufacturer. Laptop motherboards and desktop motherboards are designed differently and are not compatible. Components that are used on a desktop motherboard generally cannot be used on a laptop motherboard. 11. What device setting is used to share the cellular WAN connection of a phone in order to allow other devices to connect to the Internet?
Explanation: The mobile hotspot setting is used to share an Internet connection on a mobile phone with other devices. 12. Which laptop component is commonly found in the laptop lid?
Explanation: The laptop lid commonly contains the screen, webcam, microphone, and Wi-Fi antenna. 13. What is the purpose of a digitizer in a mobile device?
Explanation: Digitizers are used in mobile device touchscreens. The digitizer converts user touch actions such as a swipe or tap into an input digital signal. 14. What type of backlight is used in an LED display?
Explanation: Light-emitting diode (LED) displays use an LED backlight to illuminate pixels on the screen. In contrast, liquid crystal displays (LCDs) use either an LED or cold cathode fluorescent lamp (CCFL) backlight. Organic LEDs (OLEDs) do not use a backlight. 15. Where is an integrated microphone normally located on a laptop?
Explanation: A laptop webcam, microphone, and wireless antenna are commonly located in the top of the display. 16. Which ACPI state turns the CPU and RAM off and copies the contents of RAM to a temporary file on the hard disk? Explanation: The Advanced Configuration and Power Interface (ACPI) standard provides support for power states that are very important to mobile devices such as laptops. S0 – The computer is on and CPU running. S1 – CPU and RAM have power, but unused devices are powered down. S2 – CPU is off; RAM is refreshed. S3 – CPU is off; RAM is set to a slow refresh rate. S4 – CPU and RAM are off (and RAM contents saved to a temp file). S5 – The computer is off. 17. What could be used in conjunction with a laptop in order to read flash media?
Explanation: A flash card reader (sometimes simply called a card reader) accepts a variety of flash card types and commonly attaches to a USB port. 18. Which step would be important in the removal of laptop memory?
Explanation: Memory modules have a clip on either end that holds the SODIMM securely in the slot. Press outward on both clips to release the memory module from the slot. 19. Which laptop component would be considered an FRU?
Explanation: A field-replaceable unit (FRU), such as a motherboard, display, keyboard, or touchpad, commonly requires some technical skill to install. RAM and a battery are considered to be customer-replaceable units (CRUs). 20. Which characteristic should be considered when a replacement mobile device battery is being selected?
Explanation: A replacement battery must meet or exceed the specifications of the mobile device manufacturer and have the same form factor. 21. Which specialized mobile device is commonly used with VR and AR?
Explanation: Virtual reality (VR) provides an immersive experience replacing the real world; augmented reality (AR) uses an overlay of digital elements into the real world. Headsets are commonly used with both VR and AR technologies. 22. Which cellular technology supports speeds up to 20 Gbps? Explanation: Cellular technology standards are 1G, 2G, 3G, 4G, LTE, and 5G. 5G technology supports speeds up to 20 Gbps and is more efficient. 23. A technician is configuring a device and the device shows that it is pairing. Which mobile technology is being used?
Explanation: In order to configure two Bluetooth devices, the devices must connect to one another by pairing with one another. This may require a PIN or passkey as part of the process. 24. Which app is used to synchronize data to an iOS-based mobile device?
Explanation: iOS devices can synchronize apps, music, video or books using the iTunes app. 25. A technician has been called on site to help a user who has a laptop problem. At which point should the technician look online for additional possible solutions to a laptop problem?
Explanation: The steps of the troubleshooting process are as follows: Identify the problem. Establish a theory of probable cause. Test the theory to determine the cause. Establish a plan of action to resolve the problem and implement the solution. Verify full system functionality and, if applicable, implement preventive measures. Document findings, actions, and outcomes. It is during step 4 that if no solution is achieved in the previous step that a technicians needs further research. 26. An employee wants to include pictures and documents when sending email messages on a mobile device. What technology allows this task to be accomplished?
27. A lawyer wants to give a laptop the ability to connect to the internet through the cellular network. What technology allows this task to be accomplished?
28. A lawyer wants to enable a smartphone to be used as a hands-free device. What technology allows this task to be accomplished? 29. A doctor wants to use a cell phone for entertainment without connecting to any networks. What technology allows this task to be accomplished?
30. A doctor wants to make a backup copy of all of the data on a mobile device. What technology allows this task to be accomplished?
31. A student wants to make a backup copy of all of the data on a mobile device. What technology allows this task to be accomplished?
32. A student wants to make mobile phone calls over a wireless data network based on 802.11 technology. What technology allows this task to be accomplished?
33. A salesperson wants to make mobile phone calls over a wireless data network based on 802.11 technology. What technology allows this task to be accomplished?
34. A salesperson wants to embed the location on a digital photograph to record where it was taken. What technology allows this task to be accomplished?
35. A manager wants to have a laptop with touchscreen capabilities. What technology allows this task to be accomplished?
36. A student wants to make a backup copy of all of the data on a personal mobile device. What technology, product, or setting allows this task to be accomplished?
37. An employee wants to find an alternate route home because the usual route is blocked by an accident. What technology, product, or setting allows this task to be accomplished?
38. A salesperson wants to embed geographical location metadata onto various media such as photographs and videos. What technology, product, or setting allows this task to be accomplished?
39. A lawyer wants to give a laptop the ability to access the internet through a cellular network. What technology, product, or setting allows this task to be accomplished?
40. A manager wants to purchase a specialized mobile device for a new VR game. What technology, product, or setting allows this task to be accomplished?
41. An executive wants to enable a cell phone to be used as a hands-free device. What technology, product, or setting allows this task to be accomplished?
42. An analyst wants to communicate with the company while exercising and be able to track personal physical activity. What technology, product, or setting allows this task to be accomplished?
43. A student wants to make a backup copy of all of the data on a personal mobile device. What technology, product, or setting allows this task to be accomplished?
44. An employee wants to pay for a product just by tapping a smartphone on a sensor. What technology, product, or setting allows this task to be accomplished? 45. A salesperson wants to embed geographical location metadata onto various media such as photographs and videos. What technology, product, or setting allows this task to be accomplished? 46. A technician working on a cell phone must provide documentation regarding the phone. Where would the technician find the IMSI information?
Explanation: The international mobile subscriber identity (IMSI) number is a unique mobile device number that is commonly programmed on the subscriber identity module (SIM) card or can be programmed on the phone by some service providers. 47. A technician is troubleshooting a laptop with an unresponsive touchscreen. What could be the probable cause?
48. A technician is working on a laptop and an error message about decryption appears when opening an email. What is a probable cause for this situation?
49. An entrepreneur is opening a computer store in a small town and wants to display a few laptops in the store, but is concerned about security. What physical laptop feature might assist in addressing this issue?
50. A technician is working on a laptop and the GPS is not functioning. What is a probable cause for this situation?
Case 2:
51. A technician is working on a laptop and an app is not loading. What is a probable cause for this situation?
52. A technician is working on a laptop and an error message about decryption appears when opening an email. What is a probable cause for this situation?
1. How many devices can a Bluetooth device connect to simultaneously? 2. A device has an IPv6 address of 2001:0DB8:75a3:0214:0607:1234:aa10:ba01 /64. What is the host identifier of the device?
3. Which layer of the OSI model is responsible for logical addressing and routing?
4. When would a printer be considered a network host?
5. Which device provides wireless connectivity to users as its primary function?
6. Which technology is most often used to connect devices to a PAN?
7. Which three factors are reasons for a company to choose a client/server model for a network instead of peer-to-peer? (Choose three.)
8. What is a characteristic of a WAN?
9. Which three layers of the OSI model map to the application layer of the TCP/IP model? (Choose three.)
10. What is the correct order of the layers of the TCP/IP model from the top layer to the bottom?
11. What TCP/IP model layer is responsible for MAC addressing?
12. What PDU is associated with the network layer of the OSI model?
13. Which two layers of the OSI model correspond to the functions of the TCP/IP model network access layer? (Choose two.)
14. What is identified by the 100 in the 100BASE-TX standard?
15. Which two characteristics describe Ethernet technology? (Choose two.)
16. Which IEEE standard operates at wireless frequencies in both the 5 GHz and 2.4 GHz ranges?
17. A customer is considering a multipurpose device to create a home network. Which three devices are usually integrated into a multipurpose network device? (Choose three.)
18. Which network device makes forwarding decisions based on the destination MAC address that is contained in the frame?
19. A routeruses IP addresses to forward traffic from one network to other networks. 20. A network specialist has been hired to install a network in a company that assembles airplane engines. Because of the nature of the business, the area is highly affected by electromagnetic interference. Which type of network media should be recommended so that the data communication will not be affected by EMI?
21. Which term describes a type of coaxial cable? 22. Which pairs of wires change termination order between the 568A and 568B standards?
23. Which two types of signal interference are reduced more by STP than by UTP? (Choose two.)
24. How many host addresses are available on a network with a subnet mask of 255.255.0.0?
25. A technician is troubleshooting a problem where the user claims access to the Internet is not working, but there was access to the Internet the day before. Upon investigation, the technician determines that the user cannot access the network printer in the office either. The network printer is on the same network as the computer. The computer has 169.254.100.88 assigned as an IP address. What is the most likely problem?
26. What is a characteristic of the UDP protocol?
28. In the power management settings, which two devices can be set to turn off to conserve battery power? (Choose two.)
29. What is the first step in the process of troubleshooting a laptop?
30. What is the final task for a technician after troubleshooting a laptop?
31. What can a user do to reconnect a laptop to a functioning wireless network after a laptop has been moved and the connection has been lost?
32. Why are SODIMMs well suited for laptops?
33. An administrator tries to configure Power Options within Windows, but is unable to do so. What is the possible cause?
34. A technician is trying to remove a SODIMM module from a laptop. What is the correct way to do this?
35. What should a technician do prior to replacing a keyboard on a laptop?
36. Which two internal expansion slots in laptops are commonly used to install wireless adapter cards? (Choose two.)
37. What is the next step in the troubleshooting process after a solution has been implemented on a laptop?
38. A technician notices that a laptop display appears stretched and pixelated. What is a probable cause of this?
39. Which statement is true about laptops?
40. What is a definition for CPU throttling?
41. What is the purpose of the eject button on a laptop docking station?
42. Which key sequence may be used to control whether the content of the screen will be presented on a built-in display or on an external display?
43. What would be the most effective preventive maintenance routine for company laptops that are subject to high use?
44. To clean laptops, which two products are recommended? (Choose two.)
46. A technician has installed a wireless Ethernet card in a Windows 7 laptop. Where would the technician configure a new wireless connection?
47. Which component or components would be interchangeable between a laptop and and a desktop PC?
48. A user needs to connect a Bluetooth device to a laptop. Which type of cable is needed to accomplish this?
49. A technician is working on a laptop and an app is not responding. What is a probable cause for this situation?
50. What is a CRU as it relates to a laptop?
Explanation: Customer-replaceable units (CRUs) are parts that can be installed by someone that does not have advanced technical skills. Examples of CRUs include a laptop battery and memory. |