220-1202 Exam Dumps - CompTIA A+ Questions and Answers

Comprehensive and Detailed Explanation From Exact Extract:

One of the most common causes for performance degradation on smartphones isstorage or memory overloaddue to excessive apps.Uninstalling unused appsis a basic but effective first diagnostic step.

FromTravis Everett – All-in-One Exam Guide:

“Start troubleshooting sluggish smartphones by clearing unused apps and files before performing advanced diagnostics or resets.”

Comprehensive and Detailed Explanation From Exact Extract:

To prevent external access, the technician should avoid exposing the surveillance system’s port to the public internet. Port mapping (also known as port forwarding) is the method used to control which internal devices and ports are accessible from the outside. By not configuring port forwarding for the device, external login attempts are effectively blocked.

B. Subnetting organizes IP addresses but doesn't directly restrict access.

C. A static IP ensures consistent addressing but does not secure access.

D. Content filtering is used to restrict web content, not to block access to a web interface.

Comprehensive and Detailed Explanation From Exact Extract:

Since the issue has recurred after a temporary fix, it is likely a deeper or persistent configuration or server issue. Escalating the ticket to the next tier of support (e.g., network or system administrator) ensures further investigation and permanent resolution. Escalation is part of the standard support protocol when issues reoccur despite initial troubleshooting.

A. Rechecking remotely may confirm the issue, but doesn’t resolve it long term.

B. Providing documentation helps the user but doesn’t solve the root cause.

D. Keeping the ticket open is passive and doesn’t address the recurring issue.

Comprehensive and Detailed Explanation From Exact Extract:

Apps like GPS or roaming services often drain battery during travel.Checking app utilizationhelps identify battery drain sources.

FromQUENTIN DOCTER - COMPTIA A+ COMPLETE study GUIDE:

“Monitoring app activity can reveal high-power usage apps running in the background, especially when mobile data or GPS is active.”

This is part of theuser educationstep after a security incident to prevent future occurrences.

FromQuentin Docter – Complete Study Guide:

“User education and awareness is a crucial part of preventing phishing attacks. After an incident, it is vital to train users on recognizing suspicious messages.” .

Comprehensive and Detailed Explanation From Exact Extract:

Ransomware is a type of malware that encrypts the user's files and demands a payment (ransom) for the decryption key. When a user receives a message stating that their files are encrypted and cannot be accessed, ransomware is the most likely cause. The attacker’s goal is to hold the data hostage until the victim pays to restore access.

A. Keylogger records keystrokes and doesn’t encrypt files.

C. Phishing is a social engineering tactic to gather credentials, not to encrypt data.

D. Cryptominer uses system resources to mine cryptocurrency, not encrypt files.

Comprehensive and Detailed Explanation From Exact Extract:

These symptoms strongly indicatemalware infectionor a malicious app running in the background. The first action should be torun a malware scanto identify and remove malicious components.

FromQuentin Docter – CompTIA A+ Complete Study Guide:

“If a mobile device is overheating and the battery drains rapidly after installing an app, this could point to malware. Begin by scanning the device with a mobile anti-malware application.”