CompTIA Updated SK0-005 Exam Questions and Answers by zarah

Incremental backup is a type of backup that only backs up the files that have changed since the last backup, whether it was a full or an incremental backup. Incremental backup resets the archive bit each time it is run, which means it clears the flag that indicates whether or not the file has been backed up. Incremental backup can save time and space compared to full backup, but it requires more time and resources to restore data from multiple backups. References: https://www.comptia.org/training/resources/exam-objectives/comptia-server-sk0-005-exam-objectives (Objective 3.1)

The IP address that best fits this scenario is 216.176.128.10. This is a public IP address that belongs to a range of addresses that are assigned and registered by an Internet service provider (ISP) and can be accessed from anywhere on the Internet. The company has a public range of IP addresses and uses them internally, which means that they do not use private IP addresses or network address translation (NAT) to communicate within their network.

References: CompTIA Server+ SK0-005 Certification Study Guide, Chapter 2, Lesson 2.2, Objective 2.2

The best way to limit an attacker from exploiting a zero-day vulnerability that is impacting a service enabled on a server OS is to install the latest patches. Patches are updates that fix bugs, improve security, or add features to software. Installing patches can help prevent attackers from exploiting known vulnerabilities that have been fixed by the software vendor. A zero-day vulnerability is a vulnerability that is unknown to the vendor or the public until it is exploited by an attacker. Therefore, installing patches as soon as they are available can reduce the window of opportunity for attackers to exploit zero-day vulnerabilities. Reference: https://www.ibm.com/cloud/learn/patch-management

This is the best command to find out which commands can be used by a user with sudo privileges because it lists the allowed and forbidden commands for a given user or role. The -l option stands for list, and the -U option specifies the user name. The output of this command will show what commands can be executed with sudo by that user on that server. References: https://www.sudo.ws/man/1.8.13/sudo.man.html