CompTIA 220-1101 Practice Test - Questions Answers, Page 22

The BEST solution to mitigate spam that appears to come from an organization's own domain is to implement SPF (Sender Policy Framework). SPF is an email validation protocol designed to detect and prevent email spoofing, which is a common tactic used by spammers. By publishing SPF records in the organization's DNS (Domain Name System), the recipient's mail server can check if an incoming email originated from a valid source. If the email fails SPF authentication, it can be blocked or flagged as spam. Therefore, SPF helps to prevent email spoofing and mitigate the risk of spam coming from an organization's own domain

If a technician is on site troubleshooting a customer’s laptop and needs to download a software update but the company’s proxy is blocking updates, the most appropriate action for the technician to take would be to request a traffic exemption from the company’s IT department.

To resolve the issue of new memory modules not being recognized, the systems administrator should configure appropriate settings within the BIOS. This can include enabling memory mapping or setting memory speed and timings.

Reference: CompTIA A+ Certification Exam Objectives, 220-1001 Section 1.8 Configure appropriate settings within the BIOS. If new memory modules were installed in several Windows desktops but some users are still reporting performance issues and the desktop has not recognized the new memory modules, the systems administrator should configure appropriate settings within the BIOS to help resolve this issue.

To increase the volume on a laptop using only a keyboard, a user can press and hold down the Fn key while pressing one of the function keys (usually F1-F12) that has an icon representing volume up.

When installing RAM into a server that will be used as a VM host, it is recommended to install ECC (Error-Correcting Code) RAM to help prevent errors that can cause virtual machines to crash.Reference: https://www.servermonkey.com/

blog/ecc-vs-non-ecc-ram-what-are-the-differences.htmlWhen installing RAM into a rackmount server that will be used as a VM host, it would be best to install ECC (Error Correcting Code) RAM which can detect and correct common types of data corruption.

The screen rotation is locked. If a user’s touch-screen tablet is having an issue with screen orientation, it could be due to screen rotation being locked in device settings.If the screen rotation is locked, the touch-screen tablet will not rotate the screen when the device is turned. This can usually be unlocked in the settings or by pressing a specific key combination.Reference: https://www.howtogeek.com/254132/how-to-enable-screen-rotation-on-windows-10/

If lines appear down copied pages but printed pages sent directly to copier render as intended, it could be due to scratched scanner glass which can cause lines or streaks on copied pages.If there are lines appearing on copied pages, but not on printed pages sent directly to the copier, the issue is most likely caused by a scratch on the scanner glass. Reference:https://www.pacificoffice.com/how-to-fix-lines-on-copier/

M2PCIeNVMeSSD. M.2 PCIe NVMe SSDs are the fastest internal storage devices available fordesktops. They are faster than SATA SSDs and PCIe SATA HDDs12.

The MX record is housed in the DNS (Domain Name System) which is responsible for translating domain names into IP addresses and vice versa. The MX record specifies the mail server responsible for accepting email messages on behalf of a domain name and is a resource record in the DNS123.