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312-50 Certified Ethical Hacker Exam Questions and Answers

Questions 4

How do employers protect assets with security policies pertaining to employee surveillance activities?

Options:

A.

Employers promote monitoring activities of employees as long as the employees demonstrate trustworthiness.

B.

Employers use informal verbal communication channels to explain employee monitoring activities to employees.

C.

Employers use network surveillance to monitor employee email traffic, network access, and to record employee keystrokes.

D.

Employers provide employees written statements that clearly discuss the boundaries of monitoring activities and consequences.

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Questions 5

Smart cards use which protocol to transfer the certificate in a secure manner?

Options:

A.

Extensible Authentication Protocol (EAP)

B.

Point to Point Protocol (PPP)

C.

Point to Point Tunneling Protocol (PPTP)

D.

Layer 2 Tunneling Protocol (L2TP)

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Questions 6

What is the broadcast address for the subnet 190.86.168.0/22?

Options:

A.

190.86.168.255

B.

190.86.255.255

C.

190.86.171.255

D.

190.86.169.255

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Questions 7

Which of the following is a hashing algorithm?

Options:

A.

MD5

B.

PGP

C.

DES

D.

ROT13

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Questions 8

What is a successful method for protecting a router from potential smurf attacks?

Options:

A.

Placing the router in broadcast mode

B.

Enabling port forwarding on the router

C.

Installing the router outside of the network's firewall

D.

Disabling the router from accepting broadcast ping messages

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Questions 9

Which set of access control solutions implements two-factor authentication?

Options:

A.

USB token and PIN

B.

Fingerprint scanner and retina scanner

C.

Password and PIN

D.

Account and password

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Questions 10

Which technical characteristic do Ethereal/Wireshark, TCPDump, and Snort have in common?

Options:

A.

They are written in Java.

B.

They send alerts to security monitors.

C.

They use the same packet analysis engine.

D.

They use the same packet capture utility.

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Questions 11

An attacker has been successfully modifying the purchase price of items purchased on the company's web site. The security administrators verify the web server and Oracle database have not been compromised directly. They have also verified the Intrusion Detection System (IDS) logs and found no attacks that could have caused this. What is the mostly likely way the attacker has been able to modify the purchase price?

Options:

A.

By using SQL injection

B.

By changing hidden form values

C.

By using cross site scripting

D.

By utilizing a buffer overflow attack

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Questions 12

A security analyst in an insurance company is assigned to test a new web application that will be used by clients to help them choose and apply for an insurance plan. The analyst discovers that the application is developed in ASP scripting language and it uses MSSQL as a database backend. The analyst locates the application's search form and introduces the following code in the search input field:

When the analyst submits the form, the browser returns a pop-up window that says "Vulnerable".

Which web applications vulnerability did the analyst discover?

Options:

A.

Cross-site request forgery

B.

Command injection

C.

Cross-site scripting

D.

SQL injection

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Questions 13

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?

Options:

A.

Locate type=ns

B.

Request type=ns

C.

Set type=ns

D.

Transfer type=ns

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Questions 14

Which of the following is a client-server tool utilized to evade firewall inspection?

Options:

A.

tcp-over-dns

B.

kismet

C.

nikto

D.

hping

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Questions 15

When using Wireshark to acquire packet capture on a network, which device would enable the capture of all traffic on the wire?

Options:

A.

Network tap

B.

Layer 3 switch

C.

Network bridge

D.

Application firewall

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Questions 16

Which protocol and port number might be needed in order to send log messages to a log analysis tool that resides behind a firewall?

Options:

A.

UDP 123

B.

UDP 541

C.

UDP 514

D.

UDP 415

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Questions 17

Which type of security document is written with specific step-by-step details?

Options:

A.

Process

B.

Procedure

C.

Policy

D.

Paradigm

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Questions 18

International Organization for Standardization (ISO) standard 27002 provides guidance for compliance by outlining

Options:

A.

guidelines and practices for security controls.

B.

financial soundness and business viability metrics.

C.

standard best practice for configuration management.

D.

contract agreement writing standards.

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Questions 19

When does the Payment Card Industry Data Security Standard (PCI-DSS) require organizations to perform external and internal penetration testing?

Options:

A.

At least once a year and after any significant upgrade or modification

B.

At least once every three years or after any significant upgrade or modification

C.

At least twice a year or after any significant upgrade or modification

D.

At least once every two years and after any significant upgrade or modification

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Questions 20

Which United States legislation mandates that the Chief Executive Officer (CEO) and the Chief Financial Officer (CFO) must sign statements verifying the completeness and accuracy of financial reports?

Options:

A.

Sarbanes-Oxley Act (SOX)

B.

Gramm-Leach-Bliley Act (GLBA)

C.

Fair and Accurate Credit Transactions Act (FACTA)

D.

Federal Information Security Management Act (FISMA)

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Questions 21

Which of the following guidelines or standards is associated with the credit card industry?

Options:

A.

Control Objectives for Information and Related Technology (COBIT)

B.

Sarbanes-Oxley Act (SOX)

C.

Health Insurance Portability and Accountability Act (HIPAA)

D.

Payment Card Industry Data Security Standards (PCI DSS)

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Questions 22

Which method can provide a better return on IT security investment and provide a thorough and comprehensive assessment of organizational security covering policy, procedure design, and implementation?

Options:

A.

Penetration testing

B.

Social engineering

C.

Vulnerability scanning

D.

Access control list reviews

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Questions 23

While conducting a penetration test, the tester determines that there is a firewall between the tester's machine and the target machine. The firewall is only monitoring TCP handshaking of packets at the session layer of the OSI model. Which type of firewall is the tester trying to traverse?

Options:

A.

Packet filtering firewall

B.

Application-level firewall

C.

Circuit-level gateway firewall

D.

Stateful multilayer inspection firewall

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Questions 24

A company has hired a security administrator to maintain and administer Linux and Windows-based systems. Written in the nightly report file is the following:

Firewall log files are at the expected value of 4 MB. The current time is 12am. Exactly two hours later the size has decreased considerably. Another hour goes by and the log files have shrunk in size again.

Which of the following actions should the security administrator take?

Options:

A.

Log the event as suspicious activity and report this behavior to the incident response team immediately.

B.

Log the event as suspicious activity, call a manager, and report this as soon as possible.

C.

Run an anti-virus scan because it is likely the system is infected by malware.

D.

Log the event as suspicious activity, continue to investigate, and act according to the site's security policy.

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Questions 25

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

Options:

A.

HIDS

B.

WISS

C.

WIPS

D.

NIDS

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Questions 26

ViruXine.W32 virus hides their presence by changing the underlying executable code.

This Virus code mutates while keeping the original algorithm intact, the code changes itself each time it runs, but the function of the code (its semantics) will not change at all.

Here is a section of the Virus code:

What is this technique called?

Options:

A.

Polymorphic Virus

B.

Metamorphic Virus

C.

Dravidic Virus

D.

Stealth Virus

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Questions 27

A zone file consists of which of the following Resource Records (RRs)?

Options:

A.

DNS, NS, AXFR, and MX records

B.

DNS, NS, PTR, and MX records

C.

SOA, NS, AXFR, and MX records

D.

SOA, NS, A, and MX records

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Questions 28

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?

Options:

A.

Whisker

B.

tcpsplice

C.

Burp

D.

Hydra

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Questions 29

Which specific element of security testing is being assured by using hash?

Options:

A.

Authentication

B.

Integrity

C.

Confidentiality

D.

Availability

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Questions 30

Which among the following is a Windows command that a hacker can use to list all the shares to which the current user context has access?

Options:

A.

NET FILE

B.

NET USE

C.

NET CONFIG

D.

NET VIEW

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Questions 31

In the context of password security, a simple dictionary attack involves loading a dictionary file (a text file full of dictionary words) into a cracking application such as L0phtCrack or John the Ripper, and running it against user accounts located by the application. The larger the word and word fragment selection, the more effective the dictionary attack is. The brute force method is the most inclusive, although slow. It usually tries every possible letter and number combination in its automated exploration. If you would use both brute force and dictionary methods combined together to have variation of words, what would you call such an attack?

Options:

A.

Full Blown

B.

Thorough

C.

Hybrid

D.

BruteDics

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Questions 32

A user on your Windows 2000 network has discovered that he can use L0phtcrack to sniff the SMB exchanges which carry user logons. The user is plugged into a hub with 23 other systems.

However, he is unable to capture any logons though he knows that other users are logging in.

What do you think is the most likely reason behind this?

Options:

A.

There is a NIDS present on that segment.

B.

Kerberos is preventing it.

C.

Windows logons cannot be sniffed.

D.

L0phtcrack only sniffs logons to web servers.

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Questions 33

A network admin contacts you. He is concerned that ARP spoofing or poisoning might occur on his network. What are some things he can do to prevent it? Select the best answers.

Options:

A.

Use port security on his switches.

B.

Use a tool like ARPwatch to monitor for strange ARP activity.

C.

Use a firewall between all LAN segments.

D.

If you have a small network, use static ARP entries.

E.

Use only static IP addresses on all PC's.

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Questions 34

The network in ABC company is using the network address 192.168.1.64 with mask 255.255.255.192. In the network the servers are in the addresses 192.168.1.122, 192.168.1.123 and 192.168.1.124.

An attacker is trying to find those servers but he cannot see them in his scanning. The command he is using is:

nmap 192.168.1.64/28.

Why he cannot see the servers?

Options:

A.

The network must be down and the nmap command and IP address are ok.

B.

He needs to add the command ''''ip address'''' just before the IP address.

C.

He is scanning from 192.168.1.64 to 192.168.1.78 because of the mask /28 and the servers are not in that range.

D.

He needs to change the address to 192.168.1.0 with the same mask.

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Questions 35

Take a look at the following attack on a Web Server using obstructed URL:

How would you protect from these attacks?

Options:

A.

Configure the Web Server to deny requests involving "hex encoded" characters

B.

Create rules in IDS to alert on strange Unicode requests

C.

Use SSL authentication on Web Servers

D.

Enable Active Scripts Detection at the firewall and routers

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Questions 36

Supposed you are the Chief Network Engineer of a certain Telco. Your company is planning for a big business expansion and it requires that your network authenticate users connecting using analog modems, Digital Subscriber Lines (DSL), wireless data services, and Virtual Private Networks (VPN) over a Frame Relay network. Which AAA protocol would you implement?

Options:

A.

TACACS+

B.

DIAMETER

C.

Kerberos

D.

RADIUS

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Questions 37

A large company intends to use Blackberry for corporate mobile phones and a security analyst is assigned to evaluate the possible threats. The analyst will use the Blackjacking attack method to demonstrate how an attacker could circumvent perimeter defenses and gain access to the corporate network. What tool should the analyst use to perform a Blackjacking attack?

Options:

A.

Paros Proxy

B.

BBProxy

C.

BBCrack

D.

Blooover

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Questions 38

Bluetooth uses which digital modulation technique to exchange information between paired devices?

Options:

A.

PSK (phase-shift keying)

B.

FSK (frequency-shift keying)

C.

ASK (amplitude-shift keying)

D.

QAM (quadrature amplitude modulation)

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Questions 39

In order to show improvement of security over time, what must be developed?

Options:

A.

Reports

B.

Testing tools

C.

Metrics

D.

Taxonomy of vulnerabilities

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Questions 40

Which of the following programs is usually targeted at Microsoft Office products?

Options:

A.

Polymorphic virus

B.

Multipart virus

C.

Macro virus

D.

Stealth virus

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Questions 41

Which of the following is an application that requires a host application for replication?

Options:

A.

Micro

B.

Worm

C.

Trojan

D.

Virus

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Questions 42

Which of the following describes the characteristics of a Boot Sector Virus?

Options:

A.

Moves the MBR to another location on the RAM and copies itself to the original location of the MBR

B.

Moves the MBR to another location on the hard disk and copies itself to the original location of the MBR

C.

Modifies directory table entries so that directory entries point to the virus code instead of the actual program

D.

Overwrites the original MBR and only executes the new virus code

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Questions 43

Which of the following is a hardware requirement that either an IDS/IPS system or a proxy server must have in order to properly function?

Options:

A.

Fast processor to help with network traffic analysis

B.

They must be dual-homed

C.

Similar RAM requirements

D.

Fast network interface cards

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Questions 44

Which statement is TRUE regarding network firewalls preventing Web Application attacks?

Options:

A.

Network firewalls can prevent attacks because they can detect malicious HTTP traffic.

B.

Network firewalls cannot prevent attacks because ports 80 and 443 must be opened.

C.

Network firewalls can prevent attacks if they are properly configured.

D.

Network firewalls cannot prevent attacks because they are too complex to configure.

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Questions 45

Which of the following can the administrator do to verify that a tape backup can be recovered in its entirety?

Options:

A.

Restore a random file.

B.

Perform a full restore.

C.

Read the first 512 bytes of the tape.

D.

Read the last 512 bytes of the tape.

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Questions 46

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?

Options:

A.

Hping

B.

Traceroute

C.

TCP ping

D.

Broadcast ping

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Questions 47

The intrusion detection system at a software development company suddenly generates multiple alerts regarding attacks against the company's external webserver, VPN concentrator, and DNS servers. What should the security team do to determine which alerts to check first?

Options:

A.

Investigate based on the maintenance schedule of the affected systems.

B.

Investigate based on the service level agreements of the systems.

C.

Investigate based on the potential effect of the incident.

D.

Investigate based on the order that the alerts arrived in.

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Questions 48

Advanced encryption standard is an algorithm used for which of the following?

Options:

A.

Data integrity

B.

Key discovery

C.

Bulk data encryption

D.

Key recovery

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Questions 49

A certified ethical hacker (CEH) is approached by a friend who believes her husband is cheating. She offers to pay to break into her husband's email account in order to find proof so she can take him to court. What is the ethical response?

Options:

A.

Say no; the friend is not the owner of the account.

B.

Say yes; the friend needs help to gather evidence.

C.

Say yes; do the job for free.

D.

Say no; make sure that the friend knows the risk she’s asking the CEH to take.

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Questions 50

An ethical hacker for a large security research firm performs penetration tests, vulnerability tests, and risk assessments. A friend recently started a company and asks the hacker to perform a penetration test and vulnerability assessment of the new company as a favor. What should the hacker's next step be before starting work on this job?

Options:

A.

Start by foot printing the network and mapping out a plan of attack.

B.

Ask the employer for authorization to perform the work outside the company.

C.

Begin the reconnaissance phase with passive information gathering and then move into active information gathering.

D.

Use social engineering techniques on the friend's employees to help identify areas that may be susceptible to attack.

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Questions 51

Which initial procedure should an ethical hacker perform after being brought into an organization?

Options:

A.

Begin security testing.

B.

Turn over deliverables.

C.

Sign a formal contract with non-disclosure.

D.

Assess what the organization is trying to protect.

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Questions 52

A computer technician is using a new version of a word processing software package when it is discovered that a special sequence of characters causes the entire computer to crash. The technician researches the bug and discovers that no one else experienced the problem. What is the appropriate next step?

Options:

A.

Ignore the problem completely and let someone else deal with it.

B.

Create a document that will crash the computer when opened and send it to friends.

C.

Find an underground bulletin board and attempt to sell the bug to the highest bidder.

D.

Notify the vendor of the bug and do not disclose it until the vendor gets a chance to issue a fix.

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Questions 53

A consultant has been hired by the V.P. of a large financial organization to assess the company's security posture. During the security testing, the consultant comes across child pornography on the V.P.'s computer. What is the consultant's obligation to the financial organization?

Options:

A.

Say nothing and continue with the security testing.

B.

Stop work immediately and contact the authorities.

C.

Delete the pornography, say nothing, and continue security testing.

D.

Bring the discovery to the financial organization's human resource department.

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Questions 54

A certified ethical hacker (CEH) completed a penetration test of the main headquarters of a company almost two months ago, but has yet to get paid. The customer is suffering from financial problems, and the CEH is worried that the company will go out of business and end up not paying. What actions should the CEH take?

Options:

A.

Threaten to publish the penetration test results if not paid.

B.

Follow proper legal procedures against the company to request payment.

C.

Tell other customers of the financial problems with payments from this company.

D.

Exploit some of the vulnerabilities found on the company webserver to deface it.

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Questions 55

A penetration tester is conducting a port scan on a specific host. The tester found several ports opened that were confusing in concluding the Operating System (OS) version installed. Considering the NMAP result below, which of the following is likely to be installed on the target machine by the OS?

Options:

A.

The host is likely a Windows machine.

B.

The host is likely a Linux machine.

C.

The host is likely a router.

D.

The host is likely a printer.

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Questions 56

The following is a sample of output from a penetration tester's machine targeting a machine with the IP address of 192.168.1.106:

What is most likely taking place?

Options:

A.

Ping sweep of the 192.168.1.106 network

B.

Remote service brute force attempt

C.

Port scan of 192.168.1.106

D.

Denial of service attack on 192.168.1.106

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Questions 57

A penetration tester was hired to perform a penetration test for a bank. The tester began searching for IP ranges owned by the bank, performing lookups on the bank's DNS servers, reading news articles online about the bank, watching what times the bank employees come into work and leave from work, searching the bank's job postings (paying special attention to IT related jobs), and visiting the local dumpster for the bank's corporate office. What phase of the penetration test is the tester currently in?

Options:

A.

Information reporting

B.

Vulnerability assessment

C.

Active information gathering

D.

Passive information gathering

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Questions 58

How can rainbow tables be defeated?

Options:

A.

Password salting

B.

Use of non-dictionary words

C.

All uppercase character passwords

D.

Lockout accounts under brute force password cracking attempts

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Questions 59

Which of the following is a detective control?

Options:

A.

Smart card authentication

B.

Security policy

C.

Audit trail

D.

Continuity of operations plan

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Questions 60

Which of the following is a component of a risk assessment?

Options:

A.

Physical security

B.

Administrative safeguards

C.

DMZ

D.

Logical interface

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Exam Code: 312-50
Exam Name: Certified Ethical Hacker Exam
Last Update: Dec 26, 2024
Questions: 614

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