PT0-002 practice questions, page 18 of 22, with answer review and explanations.
Question 86
A security professional wants to test an IoT device by sending an invalid packet to a proprietary service listening on TCP port 3011. Which of the following would allow the security professional to easily and programmatically manipulate the TCP header length and checksum using arbitrary numbers and to observe how the proprietary service responds?
Nmap
tcpdump
Scapy
hping3
Question 87
Which of the following should a penetration tester do NEXT after identifying that an application being tested has already been compromised with malware?
Analyze the malware to see what it does.
Collect the proper evidence and then remove the malware.
Do a root-cause analysis to find out how the malware got in.
Remove the malware immediately.
Stop the assessment and inform the emergency contact.
Question 88
A penetration tester who is conducting a vulnerability assessment discovers that ICMP is disabled on a network segment. Which of the following could be used for a denial-of-service attack on the network segment?
Smurf
Ping flood
Fraggle
Ping of death
Question 89
A penetration tester writes the following script: Which of the following is the tester performing?
Searching for service vulnerabilities
Trying to recover a lost bind shell
Building a reverse shell listening on specified ports
Scanning a network for specific open ports
Question 90
An Nmap network scan has found five open ports with identified services. Which of the following tools should a penetration tester use NEXT to determine if any vulnerabilities with associated exploits exist on the open ports?