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Ethical Hacking Chapter 5 Exam
Security testers and hackers use _________ to identify running services on a host and discover the accompanying vulnerabilities. - ANSWER Port scanning
What is the most commonly used port-scanning tool? - ANSWER Nmap
For detailed Nmap information and examples of the syntax to use in Linux, what might you type? - ANSWER man nmap
To see a quick listing of Nmap options from within a Linux shell, which of the following would you run? -ANSWER Type nmap -h.
Which of the following Nmap commands run a SYN scan against a host with the IP address 193.145.85.210? (Choose all that apply.) -ANSWER nmap -sS 193.145.85.
nmap -v 193.145.85.
Which of the following flags are set on a packet sent with the command nmap -sX 193.145.85.202? (Select all that apply.) - ANSWER FINPSHURG
Which of the following Nmap commands tests for an open SSH port on any computer in the 192.168.1.0 network? (Select all that apply.) - ANSWER nmap -v 192.168.1.0-254 -p 22nmap -v 192.168.1.0/24 -p 22
What packet does a closed port respond to when it receives a packet with the SYN flag set? - ANSWER RST
Which type of scan is frequently used to get past a firewall or packet-filtering device? - ANSWER ACK scan
Hping can be used by security testers to get around filtering devices. True or False? - ANSWER True
When a FIN packet is sent to a closed port, which one of the following packets is returned? - ANSWER RST
A ________ scan sends a packet with all flags set to NULL. - ANSWER NULL
What is a common mistake made when using ping sweep against target network? - ANSWER Including the broadcast address in the range of the ping sweep
Port Scanning This gives the state of all of the following ports except the - ANSWER Buffered Port
To perform a NULL scan, one would have to set the FIN, ACK, and URG flags. True or False? - ANSWER False
Why does the following command return an error? fping -f 193.145.85. 193.145.85.220 ANSWER The wrong parameter is being utilized.
With a simple network scan, what packet type would an attacker send to host computers and listen for in return to identify a live host computer? ANSWER ICMP Echo Reply (type 0)
A hacker might use what kind of packets to scan a network for services that might be vulnerable, in an attempt to get around some ICMP-filtering devices on a network? (Choose all that apply.) - ANSWER SYN packets
ACK packets
Which of the following is used to create a custom TCP/IP packet and send it to a host
