Eccouncil 312-50v10 Exam Dumps

Certified Ethical Hacker Exam (CEHv12)

Eccouncil 312-50v10 Sample Questions

Question # 1

Due to a slowdown of normal network operations, IT department decided to monitor internet traffic for all of the employees. From a legal stand point, what would be troublesome to take this kind of measure? 

A. All of the employees would stop normal work activities 
B. IT department would be telling employees who the boss is 
C. Not informing the employees that they are going to be monitored could be an invasion of privacy. 
D. The network could still experience traffic slow down. 

Answer: C

Show Answer

Question # 2

Which of the following tools is used to detect wireless LANs using the 802.11a/b/g/n WLAN standards on a linux platform?

A. Kismet 
B. Nessus 
C. Netstumbler 
D. Abel 

Answer: A

Show Answer

Question # 3

What is the difference between the AES and RSA algorithms?

A. Both are asymmetric algorithms, but RSA uses 1024-bit keys.
B. RSA is asymmetric, which is used to create a public/private key pair; AES is symmetric, which is used to encrypt data.
C. Both are symmetric algorithms, but AES uses 256-bit keys.
D. AES is asymmetric, which is used to create a public/private key pair; RSA is symmetric, which is used to encrypt data.

Answer: B

Show Answer

Question # 4

An IT employee got a call from one of our best customers. The caller wanted to know about the company's network infrastructure, systems, and team. New opportunities of integration are in sight for both company and customer. What should this employee do? 

A. Since the company's policy is all about Customer Service, he/she will provide information. 
B. Disregarding the call, the employee should hang up. 
C. The employee should not provide any information without previous management authorization. 
D. The employees can not provide any information; but, anyway, he/she will provide the name of the person in charge. 

Answer: C

Show Answer

Question # 5

By using a smart card and pin, you are using a two-factor authentication that satisfies 

A. Something you know and something you are 
B. Something you have and something you know 
C. Something you have and something you are 
D. Something you are and something you remember 

Answer: B

Show Answer

Question # 6

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 

A. Cross-Site Request Forgery 
B. Cross-Site Scripting 
C. Clickjacking 
D. Web form input validation 

Answer: A

Show Answer

Question # 7

Which of the following incident handling process phases is responsible for defining rules, collaborating human workforce, creating a back-up plan, and testing the plans for an organization?

A. Preparation phase 
B. Containment phase  
C. Identification phase 
D. Recovery phase 

Answer: A

Show Answer

Question # 8

Sophia travels a lot and worries that her laptop containing confidential documents might be stolen. What is the best protection that will work for her? 

A. Password protected files 
B. Hidden folders 
C. BIOS password 
D. Full disk encryption. 

Answer: D

Show Answer

Question # 9

What network security concept requires multiple layers of security controls to be placed throughout an IT infrastructure, which improves the security posture of an organization to defend against malicious attacks or potential vulnerabilities?

A. Security through obscurity 
B. Host-Based Intrusion Detection System 
C. Defense in depth 
D. Network-Based Intrusion Detection System 

Answer: C

Show Answer

Question # 10

When purchasing a biometric system, one of the considerations that should be reviewed is the processing speed. Which of the following best describes what it is meant by processing?

A. The amount of time it takes to convert biometric data into a template on a smart card. 
B. The amount of time and resources that are necessary to maintain a biometric system. 
C. The amount of time it takes to be either accepted or rejected form when an individual provides Identification and authentication information. 
D. How long it takes to setup individual user accounts. 

Answer: C

Show Answer

Question # 11

Which of the following tools can be used for passive OS fingerprinting? 

A. tcpdump 
B. nmap 
C. ping 
D. tracert 

Answer: A

Show Answer

Question # 12

Session splicing is an IDS evasion technique in which an attacker delivers data in multiple, smallsized packets to the target computer, making it very difficult for an IDS to detect the attack signatures.Which tool can be used to perform session splicing attacks?

A. Whisker 
B. tcpsplice 
C. Burp 
D. Hydra 

Answer: A

Show Answer

Question # 13

A hacker has managed to gain access to a Linux host and stolen the password file from /etc/passwd. How can he use it? 

A. The password file does not contain the passwords themselves. 
B. He can open it and read the user ids and corresponding passwords. 
C. The file reveals the passwords to the root user only. 
D. He cannot read it because it is encrypted. 

Answer: A

Show Answer

Question # 14

Which of the following is one of the most effective ways to prevent Cross-site Scripting (XSS) flaws in software applications?

A. Validate and escape all information sent to a server 
B. Use security policies and procedures to define and implement proper security settings 
C. Verify access right before allowing access to protected information and UI controls 
D. Use digital certificates to authenticate a server prior to sending data 

Answer: A

Show Answer

Question # 15

Which of these options is the most secure procedure for storing backup tapes? 

A. In a climate controlled facility offsite 
B. On a different floor in the same building 
C. Inside the data center for faster retrieval in a fireproof safe 
D. In a cool dry environment 

Answer: A

Show Answer

Question # 16

The company ABC recently discovered that their new product was released by the opposition before their premiere. They contract an investigator who discovered that the maid threw away papers with confidential information about the new product and the opposition found it in the garbage. What is the name of the technique used by the opposition? 

A. Hack attack 
B. Sniffing 
C. Dumpster diving 
D. Spying 

Answer: C

Show Answer

Question # 17

What term describes the amount of risk that remains after the vulnerabilities are classified and the countermeasures have been deployed?

A. Residual risk 
B. Inherent risk 
C. Deferred risk 
D. Impact risk 

Answer: A

Show Answer

Question # 18

An attacker is using nmap to do a ping sweep and a port scanning in a subnet of 254 addresses. In which order should he perform these steps?

A. The sequence does not matter. Both steps have to be performed against all hosts. 
B. First the port scan to identify interesting services and then the ping sweep to find hosts responding to icmp echo requests. 
C. First the ping sweep to identify live hosts and then the port scan on the live hosts. This way he saves time. 
D. The port scan alone is adequate. This way he saves time. 

Answer: C

Show Answer

Question # 19

Rebecca commonly sees an error on her Windows system that states that a Data Execution Prevention (DEP) error has taken place. Which of the following is most likely taking place?

A. A race condition is being exploited, and the operating system is containing the malicious process
B. A page fault is occurring, which forces the operating system to write data from the hard drive. 
C. Malware is executing in either ROM or a cache memory area. 
D. Malicious code is attempting to execute instruction in a non-executable memory region. 

Answer: D

Show Answer

Question # 20

A network administrator discovers several unknown files in the root directory of his Linux FTP server. One of the files is a tarball, two are shell script files, and the third is a binary file is named "nc." The FTP server's access logs show that the anonymous user account logged in to the server, uploaded the files, and extracted the contents of the tarball and ran the script using a function provided by the FTP server's software. The ps command shows that the nc file is running as process, and the netstat command shows the nc process is listening on a network port.What kind of vulnerability must be present to make this remote attack possible? 

A. File system permissions 
B. Privilege escalation 
C. Directory traversal
 D. Brute force login 

Answer: A

Show Answer

Question # 21

A large mobile telephony and data network operator has a data that houses network elements. These are essentially large computers running on Linux. The perimeter of the data center is secured with firewalls and IPS systems. What is the best security policy concerning this setup?

A. Network elements must be hardened with user ids and strong passwords. Regular security tests and audits should be performed. 
B. As long as the physical access to the network elements is restricted, there is no need for additional measures. 
C. There is no need for specific security measures on the network elements as long as firewalls and IPS systems exist. 
D. The operator knows that attacks and down time are inevitable and should have a backup site.

Answer: A

Show Answer

Question # 22

The "white box testing" methodology enforces what kind of restriction? 

A. The internal operation of a system is completely known to the tester. 
B. Only the external operation of a system is accessible to the tester. 
C. Only the internal operation of a system is known to the tester. 
D. The internal operation of a system is only partly accessible to the tester. 

Answer: A

Show Answer

Question # 23

What does a firewall check to prevent particular ports and applications from getting packets into an organization? 

A. Transport layer port numbers and application layer headers 
B. Presentation layer headers and the session layer port numbers 
C. Network layer headers and the session layer port numbers 
D. Application layer port numbers and the transport layer headers

Answer: A

Show Answer

Question # 24

Which of these is capable of searching for and locating rogue access points? 

A. HIDS 
B. WISS 
C. WIPS 
D. NIDS 

Answer: C

Show Answer

Question # 25

Which of the following statements regarding ethical hacking is incorrect? 

A. Ethical hackers should never use tools or methods that have the potential of exploiting vulnerabilities in an organization's systems. 
B. Testing should be remotely performed offsite. 
C. An organization should use ethical hackers who do not sell vendor hardware/software or other consulting services. 
D. Ethical hacking should not involve writing to or modifying the target systems. 

Answer: A

Show Answer

Question # 26

Which of the following is considered an exploit framework and has the ability to perform automated attacks on services, ports, applications and unpatched security flaws in a computer system?

A. Wireshark 
B. Maltego 
C. Metasploit 
D. Nessus 

Answer: C

Show Answer

Question # 27

Attempting an injection attack on a web server based on responses to True/False questions is called which of the following? 

A. Blind SQLi 
B. DMS-specific SQLi 
C. Classic SQLi 
D. Compound SQLi 

Answer: A

Show Answer

Question # 28

What is the most common method to exploit the “Bash Bug” or “ShellShock" vulnerability?

A. Through Web servers utilizing CGI (Common Gateway Interface) to send a malformed environment variable to a vulnerable Web server
B. Manipulate format strings in text fields
C. SSH
D. SYN Flood

Answer: A

Show Answer

Question # 29

Craig received a report of all the computers on the network that showed all the missing patches and weak passwords. What type of software generated this report?

A. a port scanner 
B. a vulnerability scanner 
C. a virus scanner 
D. a malware scanner 

Answer: B

Show Answer

Question # 30

You are the Systems Administrator for a large corporate organization. You need to monitor all network traffic on your local network for suspicious activities and receive notifications when an attack is occurring. Which tool would allow you to accomplish this goal? 

A. Network-based IDS 
B. Firewall 
C. Proxy 
D. Host-based IDS 

Answer: A

Show Answer

Question # 31

Which of the following is a protocol specifically designed for transporting event messages? 

A. SYSLOG 
B. SMS 
C. SNMP 
D. ICMP 

Answer: A

Show Answer

Question # 32

A company's Web development team has become aware of a certain type of security vulnerability in their Web software. To mitigate the possibility of this vulnerability being exploited, the team wants to modify the software requirements to disallow users from entering HTML as input into their Web application. What kind of Web application vulnerability likely exists in their software? 

A. Cross-site scripting vulnerability 
B. Cross-site Request Forgery vulnerability 
C. SQL injection vulnerability 
D. Web site defacement vulnerability

Answer: A

Show Answer

Question # 33

Internet Protocol Security IPSec is actually a suite of protocols. Each protocol within the suite provides different functionality. Collective IPSec does everything except. 

A. Protect the payload and the headers 
B. Authenticate 
C. Encrypt 
D. Work at the Data Link Layer 

Answer: D

Show Answer

Question # 34

You want to do an ICMP scan on a remote computer using hping2. What is the proper syntax? 

A. hping2 host.domain.com 
B. hping2 --set-ICMP host.domain.com 
C. hping2 -i host.domain.com 
D. hping2 -1 host.domain.com 

Answer: D

Show Answer

Question # 35

What is the correct process for the TCP three-way handshake connection establishment and connection termination?

A. Connection Establishment: FIN, ACK-FIN, ACKConnection Termination: SYN, SYNACK, ACK 
B. Connection Establishment: SYN, SYN-ACK, ACKConnection Termination: ACK, ACK SYN, SYN 
C. Connection Establishment: ACK, ACK-SYN, SYNConnection Termination: FIN, ACKFIN, ACK 
D. Connection Establishment: SYN, SYN-ACK, ACKConnection Termination: FIN, ACKFIN, ACK 

Answer: D

Show Answer