Last Updated on July 23, 2021 by InfraExam
312-50v11 : Certified Ethical Hacker v11 Exam : Part 01
While performing online banking using a Web browser, a user receives an email that contains a link to an interesting Web site. When the user clicks on the link, another Web browser session starts and displays a video of cats playing a piano. The next business day, the user receives what looks like an email from his bank, indicating that his bank account has been accessed from a foreign country. The email asks the user to call his bank and verify the authorization of a funds transfer that took place. What Web browser-based security vulnerability was exploited to compromise the user?
- Cross-Site Scripting
- Cross-Site Request Forgery
- Web form input validation
Which service in a PKI will vouch for the identity of an individual or company?
Identify the web application attack where the attackers exploit vulnerabilities in dynamically generated web pages to inject client-side script into web pages viewed by other users.
- LDAP Injection attack
- Cross-Site Scripting (XSS)
- SQL injection attack
- Cross-Site Request Forgery (CSRF)
User A is writing a sensitive email message to user B outside the local network. User A has chosen to use PKI to secure his message and ensure only user B can read the sensitive email. At what layer of the OSI layer does the encryption and decryption of the message take place?
A new wireless client is configured to join a 802.11 network. This client uses the same hardware and software as many of the other clients on the network. The client can see the network, but cannot connect. A wireless packet sniffer shows that the Wireless Access Point (WAP) is not responding to the association requests being sent by the wireless client. What is a possible source of this problem?
- The WAP does not recognize the client’s MAC address
- The client cannot see the SSID of the wireless network
- Client is configured for the wrong channel
- The wireless client is not configured to use DHCP
If you want to only scan fewer ports than the default scan using Nmap tool, which option would you use?
Which of the following is the structure designed to verify and authenticate the identity of individuals within the enterprise taking part in a data exchange?
- single sign on
You are tasked to perform a penetration test. While you are performing information gathering, you find an employee list in Google. You find the receptionist’s email, and you send her an email changing the source email to her boss’s email ([email protected]). In this email, you ask for a pdf with information. She reads your email and sends back a pdf with links. You exchange the pdf links with your malicious links (these links contain malware) and send back the modified pdf, saying that the links don’t work. She reads your email, opens the links, and her machine gets infected. You now have access to the company network. What testing method did you use?
- Social engineering
If a tester is attempting to ping a target that exists but receives no response or a response that states the destination is unreachable, ICMP may be disabled and the network may be using TCP. Which other option could the tester use to get a response from a host using TCP?
- TCP ping
- Broadcast ping
Which is the first step followed by Vulnerability Scanners for scanning a network?
- OS Detection
- Firewall detection
- TCP/UDP Port scanning
- Checking if the remote host is alive
Which of the following programs is usually targeted at Microsoft Office products?
- Polymorphic virus
- Multipart virus
- Macro virus
- Stealth virus
In an internal security audit, the white hat hacker gains control over a user account and attempts to acquire access to another account’s confidential files and information. How can he achieve this?
- Privilege Escalation
- Hacking Active Directory
- Port Scanning
A technician is resolving an issue where a computer is unable to connect to the Internet using a wireless access point. The computer is able to transfer files locally to other machines, but cannot successfully reach the Internet. When the technician examines the IP address and default gateway they are both on the 192.168.1.0/24. Which of the following has occurred?
- The computer is not using a private IP address.
- The gateway is not routing to a public IP address.
- The gateway and the computer are not on the same network.
- The computer is using an invalid IP address.
Identify the UDP port that Network Time Protocol (NTP) uses as its primary means of communication?
Due to a slowdown of normal network operations, the IT department decided to monitor internet traffic for all of the employees. From a legal standpoint, what would be troublesome to take this kind of measure?
- All of the employees would stop normal work activities
- IT department would be telling employees who the boss is
- Not informing the employees that they are going to be monitored could be an invasion of privacy.
- The network could still experience traffic slow down.
Which of the following tools performs comprehensive tests against web servers, including dangerous files and CGIs?
- John the Ripper
An incident investigator asks to receive a copy of the event logs from all firewalls, proxy servers, and Intrusion Detection Systems (IDS) on the network of an organization that has experienced a possible breach of security. When the investigator attempts to correlate the information in all of the logs, the sequence of many of the logged events do not match up.
What is the most likely cause?
- The network devices are not all synchronized.
- Proper chain of custody was not observed while collecting the logs.
- The attacker altered or erased events from the logs.
- The security breach was a false positive.
DNS cache snooping is a process of determining if the specified resource address is present in the DNS cache records. It may be useful during the examination of the network to determine what software update resources are used, thus discovering what software is installed.
What command is used to determine if the entry is present in DNS cache?
- nslookup -fullrecursive update.antivirus.com
- dnsnooping -rt update.antivirus.com
- nslookup -norecursive update.antivirus.com
- dns –snoop update.antivirus.com
Which of the following is an extremely common IDS evasion technique in the web world?
- Unicode Characters
- Port Knocking
John the Ripper is a technical assessment tool used to test the weakness of which of the following?
- File permissions
- Firewall rulesets