Which of the following tools will scan a network to perform vulnerability checks and compliance auditing?

On a Linux device, which of the following commands will start the Nessus client in the background so that the
Nessus server can be configured?

A hacker searches in Google for filetype:pcf to find Cisco VPN config files. Those files may contain connectivity
passwords that can be decoded with which of the following?

A hacker is attempting to use nslookup to query Domain Name Service (DNS). The hacker uses the nslookup
interactive mode for the search. Which command should the hacker type into the command shell to request the
appropriate records?

Which command line switch would be used in NMAP to perform operating system detection?

ICMP ping and ping sweeps are used to check for active systems and to check

A hacker is attempting to see which ports have been left open on a network. Which NMAP switch would the
hacker use?

A penetration tester is attempting to scan an internal corporate network from the internet without alerting the
border sensor. Which is the most efficient technique should the tester consider using?

A company has five different subnets: 192.168.1.0, 192.168.2.0, 192.168.3.0, 192.168.4.0 and 192.168.5.0.
How can NMAP be used to scan these adjacent Class C networks?

While checking the settings on the internet browser, a technician finds that the proxy server settings have been
checked and a computer is trying to use itself as a proxy server. What specific octet within the subnet does the
technician see?