A security analyst is reviewing packet captures for a specific server that is suspected of containing malware and discovers the following packets:

Which of the following traffic patterns or data would be MOST concerning to the security analyst?

An organization is conducting penetration testing to identify possible network vulnerabilities. The penetration tester has received the following output from the latest scan:

The penetration tester knows the organization does not use Timbuktu servers and wants to have Nmap interrogate the ports on the target in more detail. Which of the following commands should the penetration tester use NEXT?

A network technician is concerned that an attacker is attempting to penetrate the network, and wants to set a rule on the firewall to prevent the attacker from learning which IP addresses are valid on the network. Which of the following protocols needs to be denied?

A security analyst receives a CVE bulletin, which lists several products that are used in the enterprise. The analyst immediately deploys a critical security patch. Which of the following BEST describes the reason for the analyst's immediate action?

A malicious hacker wants to gather guest credentials on a hotel 802.11 network. Which of the following tools is the malicious hacker going to use to gain access to information found on the hotel network?