Mobile Devices Part 2

They are more expensive and they cost more per gigabyte are correct because SSDs use advanced flash memory technology, making them pricier upfront and offering less storage for the same cost compared to HDDs. These factors make SSDs less economical, especially for users requiring large storage capacities. The statement they produce more heat is incorrect because SSDs generate less heat than HDDs due to the absence of moving parts. They are more susceptible to damage is also incorrect, as SSDs are more durable and resistant to physical shocks, unlike HDDs which have fragile spinning platters and read/write heads.

The most likely reasons are the driver is corrupted and needs to be updated/replaced and the ribbon cable is partially disconnected and needs to be reseated. If the external keyboard works fine, but the laptop’s built-in keyboard types odd characters, it suggests that either the keyboard’s driver is malfunctioning or there’s a connection issue with the keyboard itself. A corrupted driver can cause incorrect input, while a loose or partially disconnected ribbon cable can result in erratic key responses. The other options are less likely: the laptop needs to be replaced is an extreme solution, as this is more likely a repairable issue; and debris under the keyboard could cause some keys to stick or not respond, but it wouldn’t typically result in random, odd characters being typed. Therefore, the issue is most likely with the driver or the ribbon cable connection.

The correct location technologies are GPS and Cellular location services. GPS (Global Positioning System) uses satellites to pinpoint your location on Earth, making it ideal for outdoor navigation, especially in unfamiliar territory. Cellular location services use nearby cell towers to triangulate your position, which is particularly useful when GPS signals are weak or unavailable, such as in urban environments or areas with heavy tree cover. MDM (Mobile Device Management) is a system used by businesses to manage and secure mobile devices, not a location technology. RFID (Radio Frequency Identification) is used for tracking objects or items with embedded tags, not for providing real-time location information on a map. Therefore, GPS and cellular location services are the appropriate technologies for a hiking app.

The correct answer is MDM (Mobile Device Management) and MAM (Mobile Application Management). MDM allows IT departments to manage and secure personal devices used for work by enforcing security policies, such as encryption, password requirements, and remote wiping of data in case the device is lost or stolen. MAM focuses on securing and controlling the applications on those devices, ensuring that company data within apps is protected, even if the device itself is not fully managed. PRL (Preferred Roaming List) is a network-related setting used for mobile devices to determine which cell towers they should connect to, and GSM (Global System for Mobile Communications) is a mobile network standard, neither of which are security management tools for devices or applications. Therefore, MDM and MAM are the appropriate tools for securing company data on personal devices.

To install and configure an external Bluetooth trackpad, you need to put the device in pairing mode and open the tablet’s Bluetooth settings to tap and connect the trackpad, as this is the primary step to establish communication between the devices. Once paired, you can go to settings to configure speed and scrolling features for optimal usability. Installing drivers is unnecessary because modern tablets automatically handle drivers for Bluetooth peripherals. Plugging the device into a USB port is irrelevant, as Bluetooth devices are wireless and do not require physical connections. These steps ensure proper setup and functionality of the trackpad.

The statement With iOS 13 or better on their device, they’ll be able to read and write NFC tags using a third-party app is correct because the iPhone 8, running iOS 13 or later, supports NFC reading and writing through apps that provide this functionality. Similarly, the statement iPhone 12 and iPhone 13 can read NFC tags simply by holding the phone over the tag is also correct because these models have built-in background NFC tag reading, requiring no additional app. The claim that Their iPhone will only work with Apple Pay is incorrect, as the iPhone 8 supports broader NFC capabilities beyond Apple Pay. Additionally, the assertion that They need to upgrade to iPhone X to write NFC tags is false, as the iPhone 8 can already write NFC tags when using iOS 13 or newer with the right app.

The correct answers are 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, and Transfer files, photos, and videos because NFC (Near Field Communication) is designed for short-range, wireless communication between devices, making it ideal for tasks like transferring data or sharing URLs. NFC tags can be embedded in business cards, enabling customers to easily access your website or product information. It also allows secure data sharing between two NFC-enabled devices in close proximity, such as exchanging contact details or files during a meeting. However, Beam data to someone 10 feet away is incorrect because NFC typically operates over very short distances, usually within 4 inches (10 cm), not 10 feet, limiting its range for data transfer.

The correct answers are Headphones and Speaker because these devices are typically connected to the audio output port (often a 3.5mm headphone jack or USB port) to provide sound. These ports are specifically designed to transmit audio signals to external devices like headphones and speakers. A webcam is usually connected via a USB port but not through the audio output port, as it requires data transmission rather than audio output. A touch pen (or stylus) is usually used with a touchscreen and may connect via Bluetooth, USB, or a specialized port like the Surface connector, but not through the audio output port, which is not designed for stylus input. Therefore, headphones and speakers are the correct devices to connect to the audio output port.

The correct answers are USB Micro-B and USB-C. USB Micro-B was the standard connector used on many older Android smartphones, characterized by its asymmetrical design. It was widely used before the transition to USB-C. USB-C is now the standard connector for modern Android smartphones, offering a reversible, compact design that supports faster charging, data transfer, and improved functionality compared to older connectors. Lightning is specific to Apple devices like iPhones and iPads, and Thunderbolt is typically used for high-speed peripheral connections on devices like laptops, not smartphones. Therefore, USB Micro-B was once common, and USB-C is now the most common connector for Android smartphones.

The correct answers are USB-C and Thunderbolt 3 or 4 because these connectors support high-speed data transfer, video output, and power delivery, making them ideal for modern docking stations that need to connect multiple peripherals, such as monitors, keyboards, and external storage devices, to a laptop. USB-C is increasingly the standard for docking stations due to its versatility and compatibility with various devices. Thunderbolt 3 or 4 provides even faster data transfer speeds and additional features like daisy-chaining multiple devices, making it a premium choice for high-performance docking stations. USB 2 is outdated for docking stations as it lacks the bandwidth and features needed to support modern peripherals effectively. HDMI is used primarily for video output to displays and is not a general-purpose connector for connecting docking stations to laptops, as it does not support data transfer or peripheral connections beyond video. Therefore, USB-C and Thunderbolt are the best options for modern docking stations.

MDM (Mobile Device Management) and MAM (Mobile Application Management) are both correct as protective measures to safeguard company data accessed on personal devices. MDM focuses on managing the entire device, enforcing security policies like remote wiping or encryption to protect company data. MAM, on the other hand, manages specific applications, allowing the company to control and secure only work-related apps and data without affecting personal content. CDMA and GSM are incorrect because they are communication standards for cellular networks, unrelated to data security or management. MDM and MAM are designed specifically to address concerns about protecting proprietary information in a workplace setting.

The correct answers are Microphone/speaker and Webcam, as they are essential for a videoconference call. The Microphone captures the user’s voice, the Speaker outputs audio from others on the call, and the Webcam captures video for visual communication. The Inverter is unrelated, as its role is to regulate power for the display backlight and has no impact on audio or video communication. The Digitizer is responsible for touch input, such as drawing or screen interaction, but it does not contribute to the audio or video functions necessary for a videoconference.

The correct answers are Glass cover, Digitizer, and LCD, as these three components are often fused together in modern mobile displays. The Glass cover protects the screen, the Digitizer detects touch input, and the LCD displays the image. If one of these components fails (e.g., a cracked screen or a malfunctioning touch sensor), they are typically replaced as a single unit because separating them is difficult and costly. The Wi-Fi antenna, however, is not physically linked to these components and operates independently of the display assembly, so it is not part of this replacement dependency.

In a new laptop, the most likely drive types required are M.2 and mSATA, as these are compact storage solutions designed for modern devices. M.2 drives are preferred due to their high speed, small form factor, and compatibility with NVMe for faster performance. mSATA drives, although older, may still be used in some slim laptops due to their compact size and reliability. On the other hand, 2.5-inch drives are bulkier and typically used in older or budget laptops, making them less common in newer designs. 3.5-inch drives are desktop-class drives, far too large and unsuitable for laptops, eliminating their compatibility entirely. Thus, M.2 and mSATA match the space and performance requirements of modern laptops.

Face ID and Fingerprint readers are correct because they are widely used biometric devices integrated into modern laptops for secure and convenient authentication. Face ID uses facial recognition technology to quickly identify users, while Fingerprint readers scan unique fingerprint patterns for precise access control. These are practical, reliable, and commonly implemented solutions in laptops. On the other hand, an ID card scanner is not a biometric device, as it relies on physical cards rather than biological traits. Similarly, Retina scanners, though biometric, are rare in laptops due to their high cost and complexity, making them impractical for widespread use in company laptops.

Polarity and same wattage as the original are correct because they directly affect the functionality and safety of the AC adapter. Polarity ensures the electrical flow matches the laptop’s requirements; using an adapter with reversed polarity can damage the device. Matching wattage is critical to ensure the adapter provides enough power to the laptop without overloading or underpowering it. Brand of the adapter is less important as long as the adapter meets the technical specifications and safety standards. Size of the adapter is irrelevant as long as it fits the laptop’s power port and provides the correct voltage and amperage.