Comprehensive and Detailed Explanation From Exact Extract:
Windows Helloprovides alternative sign-in options including facial recognition, fingerprint scans, and PINs, reducing dependence on passwords.
FromAll-in-One Exam Guide:
"Windows Hello offers a range of biometric and PIN-based login methods designed to simplify access while enhancing security."
"It can be used in place of a password, ideal for users who frequently forget credentials."

Comprehensive and Detailed Explanation From Exact Extract:
At large events such as music festivals, cellular towers may become congested due to the high volume of users attempting to connect simultaneously. This congestion causes slow or failed data connections, which explains the email application being unable to sync or connect. This is a common real-world mobile connectivity issue in crowded areas.
A: Lack of storage would prevent saving attachments, not prevent connection attempts.
B: Company firewalls usually don't affect mobile access unless specific device restrictions are enforced.
D: Organizers do not have the ability to block the internet signal; only carriers manage mobile bandwidth.
Reference:
CompTIA A+ 220-1102 Objective 3.3: Troubleshoot mobile OS and connectivity issues.
Study Guide Section: Mobile network limitations - signal congestion and bandwidth issues

Comprehensive and Detailed Explanation From Exact Extract:
If a system becomes unresponsive while opening a specific spreadsheet, the issue is likely tied to the file's size or the complexity of its content (e.g., embedded formulas, macros, or graphics). High memory utilization caused by the file can lead to temporary freezing or application "Not Responding" messages. Checking the spreadsheet's file size and monitoring system memory in Task Manager will help isolate performance bottlenecks.
A: Anti-malware logs are important for security troubleshooting but less likely relevant to spreadsheet-related performance issues.
B: Workstation repair is for system-wide problems and not necessary for a single-file issue.
C: Bandwidth relates to network usage and wouldn't impact opening a local file.
Reference:
CompTIA A+ 220-1102 Objective 3.3: Troubleshoot common application issues.
Study Guide Section: Troubleshooting application slowness and performance using Task Manager and resource monitoring tools

Comprehensive and Detailed Explanation From Exact Extract:
Running atnear full storage capacitysignificantly slows down smartphones. iOS in particular requires space for caching and temporary files. Performance improves when storage is cleared.
FromMike Meyers' Lab Manual:
"Lack of free space causes mobile operating systems to struggle with temp files and updates. Performance improves significantly with adequate storage."

See explanation below.
Explanation:
The completed configuration:
1. Wireless AP (LAN side)
1. LAN IP: 192.168.10.1
2. Encryption: WPA2 PSK
2. Router (port-forward rule)
1. Allow TCP Any 3389
This forwards inbound RDP traffic (TCP/3389) from the Internet to the Windows PC, enabling Remote Desktop access.
3. Firewall (screened subnet side)
1. LAN IP: 10.100.0.1
4. Device placement
1. PC: place behind the router (where the port-forward rule points).
2. Game console: place on the Wireless AP (so it can use chat and extra services over WPA2 PSK).
3. Firewall: place in front of the screened subnet (with its 10.100.0.1 IP facing that subnet).
The Windows PC is placed in the screened subnet (behind the firewall) for enhanced security. Remote access to this PC requires port forwarding of TCP port 3389 (RDP), which is correctly configured through the router.
The Game Console is placed on the Wireless AP LAN, using WPA2 PSK for a secure wireless connection.
Game consoles typically use peer-to-peer chat and online services that require open access without firewall restrictions, which is why the console is not placed behind the firewall.
CompTIA A+ 220-1102 Reference Points:
Objective 3.4: Given a scenario, implement best practices associated with data and device security.
Objective 2.4: Given a scenario, use appropriate tools to support and configure network settings.
Study Guide Reference: CompTIA A+ Core 2 guides recommend using screened subnets (a type of DMZ) for systems needing controlled external access, such as remote desktops, while placing gaming and media devices on less restricted networks for full functionality.