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A workgroup network is a peer-to-peer network where each PC can share files and resources with other PCs without a central server. A public network is a network that is accessible to anyone on the internet. A wide area network is a network that spans a large geographic area, such as a country or a continent. A domain network is a network where a server controls the access and security of the PCs. Verified References: https://www.comptia.org/blog/network-types https://www.comptia.org/certifications/a

FileVault is a macOS utility that uses AES-128 (Advanced Encryption Standard) to encrypt the startup disk of a Mac computer. It protects the data from unauthorized access if the computer is lost or stolen. fdisk and Diskpart are disk partitioning utilities for Linux and Windows, respectively. Disk Utility is another macOS utility that can perform disk management tasks, such as formatting, resizing, repairing, etc. Verified References: https://www.comptia.org/blog/what-is-filevault https://www.comptia.org/certifications/a

Browser plug-ins are software components that add functionality to a web browser, such as playing videos, displaying animations, etc. However, some browser plug-ins can also be malicious or compromised and cause unwanted pop-up advertising messages while browsing the internet. A malware scan may not be able to locate the source of the infection if it is hidden in a browser plug-in. Windows updates, DNS settings and certificate store are not likely sources of pop-up advertising messages. Verified References: https://www.comptia.org/blog/browser-security https://www.comptia.org/certifications/a

Cross-site scripting (XSS) and SQL injection are common security vulnerabilities that can be mitigated by using input validation. Input validation is a technique that checks the user input for any malicious or unexpected characters or commands before processing it. XSS is an attack that injects malicious scripts into web pages to steal cookies, session tokens or other sensitive information from users or web servers. SQL injection is an attack that injects malicious SQL statements into web applications to manipulate databases, execute commands or access unauthorized data. Verified References: https://www.comptia.org/blog/what-is-input-validation https://www.comptia.org/certifications /a