A monthly job to install approved vendor software updates and hot fixes recently stopped working. The security team performed a vulnerability scan, which identified several hosts as having some critical OS vulnerabilities, as referenced in the common vulnerabilities and exposures (CVE) database.
Which of the following should the security team do NEXT to resolve the critical findings in the most effective manner? (Choose two.)

While reviewing log files, a security analyst uncovers a brute-force attack that is being performed against an external webmail portal. Which of the following would be BEST to prevent this type of attack from beinq successful1?

A security analyst is reviewing a suspected phishing campaign that has targeted an organisation. The organization has enabled a few email security technologies in the last year: however, the analyst believes the security features are not working. The analyst runs the following command:
> dig domain._domainkey.comptia.orq TXT
Which of the following email protection technologies is the analyst MOST likely validating?

A security engineer is reviewing security products that identify malicious actions by users as part of a company's insider threat program. Which of the following is the MOST appropriate product category for this purpose?

The help desk provided a security analyst with a screenshot of a user's desktop:

For which of the following is aircrack-ng being used?