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Q1. You are performing a port scan with nmap. You are in hurry and conducting the scans at the fastest possible speed. However, you don't want to sacrifice reliability for speed. If stealth is not an issue, what type of scan should you run to get very reliable results?
A. XMAS scan
B. Stealth scan
C. Connect scan
D. Fragmented packet scan
Answer: C
Explanation: A TCP Connect scan, named after the Unix connect() system call is the most accurate scanning method. If a port is open the operating system completes the TCP three-way handshake, and the port scanner immediately closes the connection.
Q2. What is a primary advantage a hacker gains by using encryption or programs such as Loki?
A. It allows an easy way to gain administrator rights
B. It is effective against Windows computers
C. It slows down the effective response of an IDS
D. IDS systems are unable to decrypt it
E. Traffic will not be modified in transit
Answer: D
Explanation: Because the traffic is encrypted, an IDS cannot understand it or evaluate the payload.
Q3. You receive an e-mail like the one shown below. When you click on the link contained in the mail, you are redirected to a website seeking you to download free Anti-Virus software.
Dear valued customers,
We are pleased to announce the newest version of Antivirus 2010 for Windows which will probe you with total security against the latest spyware, malware, viruses, Trojans and other online threats. Simply visit the link below and enter your antivirus code:
Antivirus code: 5014
http://www.juggyboy/virus/virus.html
Thank you for choosing us, the worldwide leader Antivirus solutions.
Mike Robertson
PDF Reader Support
Copyright Antivirus 2010 ?All rights reserved
If you want to stop receiving mail, please go to:
http://www.juggyboy.com
or you may contact us at the following address: Media Internet Consultants, Edif. Neptuno, Planta
Baja, Ave. Ricardo J. Alfaro, Tumba Muerto, n/a Panama
How will you determine if this is Real Anti-Virus or Fake Anti-Virus website?
A. Look at the website design, if it looks professional then it is a Real Anti-Virus website
B. Connect to the site using SSL, if you are successful then the website is genuine
C. Search using the URL and Anti-Virus product name into Google and lookout for suspicious warnings against this site
D. Download and install Anti-Virus software from this suspicious looking site, your Windows 7 will prompt you and stop the installation if the downloaded file is a malware
E. Download and install Anti-Virus software from this suspicious looking site, your Windows 7 will prompt you and stop the installation if the downloaded file is a malware
Answer: C
Q4. Charlie is an IT security consultant that owns his own business in Denver. Charlie has recently been hired by Fleishman Robotics, a mechanical engineering company also in Denver. After signing service level agreements and other contract papers, Charlie asks to look over the current company security policies. Based on these policies, Charlie compares the policies against what is actually in place to secure the company's network. From this information, Charlie is able to produce a report to give to company executives showing which areas the company is lacking in. This report then becomes the basis for all of Charlie's remaining tests.
What type of initial analysis has Charlie performed to show the company which areas it needs improvements in?
A. Charlie has performed a BREACH analysis; showing the company where its weak points are
B. This analysis would be considered a vulnerability analysis
C. This type of analysis is called GAP analysis
D. This initial analysis performed by Charlie is called an Executive Summary
Answer: C
Explanation: In business and economics, gap analysis is a tool that helps a company to compare its actual performance with its potential performance.
At its core are two questions: "Where are we?" and "Where do we want to be?".
http://en.wikipedia.org/wiki/Gap_analysis
Q5. Which of the following best describes session key creation in SSL?
A. It is created by the server after verifying theuser's identity
B. It is created by the server upon connection by the client
C. It is created by the client from the server's public key
D. It is created by the client after verifying the server's identity
Answer: D
Explanation: An SSL session always begins with an exchange of messages called the SSL handshake. The handshake allows the server to authenticate itself to the client using public-key techniques, then allows the client and the server to cooperate in the creation of symmetric keys used for rapid encryption, decryption, and tamper detection during the session that follows. Optionally, the handshake also allows the client to authenticate itself to the server.
Q6. Which is the right sequence of packets sent during the initial TCP three way handshake?
A. FIN, FIN-ACK, ACK
B. SYN, URG, ACK
C. SYN, ACK, SYN-ACK
D. SYN, SYN-ACK, ACK
Answer: D
Explanation: A TCP connection always starts with a request for synchronization, a SYN, the reply to that would be another SYN together with a ACK to acknowledge that the last package was delivered successfully and the last part of the three way handshake should be only an ACK to acknowledge that the SYN reply was recived.
Q7. BankerFox is a Trojan that is designed to steal users' banking data related to certain banking entities.
When they access any website of the affected banks through the vulnerable Firefox 3.5 browser, the Trojan is activated and logs the information entered by the user. All the information entered in that website will be logged by the Trojan and transmitted to the attacker's machine using covert channel.
BankerFox does not spread automatically using its own means. It needs an attacking user's intervention in order to reach the affected computer.
What is the most efficient way an attacker located in remote location to infect this banking Trojan on a victim's machine?
A. Physical access - the attacker can simply copy a Trojan horse to a victim's hard disk infecting the machine via Firefox add-on extensions
B. Custom packaging - the attacker can create a custom Trojan horse that mimics the appearance of a program that is unique to that particular computer
C. Custom packaging - the attacker can create a custom Trojan horse that mimics the appearance of a program that is unique to that particular computer
D. Custom packaging - the attacker can create a custom Trojan horse that mimics the appearance of a program that is unique to that particular computer
E. Downloading software from a website? An attacker can offer free software, such as shareware programs and pirated mp3 files
Answer: E
Q8. Steven the hacker realizes the network administrator of Acme Corporation is using syskey in Windows 2008 Server to protect his resources in the organization. Syskey independently encrypts the hashes so that physical access to the server, tapes, or ERDs is only first step to cracking the passwords. Steven must break through the encryption used by syskey before he can attempt to use brute force dictionary attacks on the hashes. Steven runs a program called "SysCracker" targeting the Windows 2008 Server machine in attempting to crack the hash used by Syskey. He needs to configure the encryption level before he can launch the attack. How many bits does Syskey use for encryption?
A. 40-bit encryption
B. 128-bit encryption
C. 256-bit encryption
D. 64-bit encryption
Answer: B
Q9. You work as security technician at ABC.com. While doing web application testing, you might be required to look through multiple web pages online which can take a long time. Which of the processes listed below would be a more efficient way of doing this type of validation?
A. Use mget to download all pages locally for further inspection.
B. Use wget to download all pages locally for further inspection.
C. Use get* to download all pages locally for further inspection.
D. Use get() to download all pages locally for further inspection.
Answer: B
Explanation: Wget is a utility used for mirroring websites, get* doesn’t work, as for the actual FTP command to work there needs to be a space between get and * (ie. get *), get(); is just bogus, that’s a C function that’s written 100% wrong. mget is a command used from “within” ftp itself, ruling out A. Which leaves B use wget, which is designed for mirroring and download files, especially web pages, if used with the –R option (ie. wget –R www.ABC.com) it could mirror a site, all expect protected portions of course.
Note: GNU Wget is a free network utility to retrieve files from the World Wide Web using HTTP and FTP and can be used to make mirrors of archives and home pages thus enabling work in the background, after having logged off.
Q10. Clive has been monitoring his IDS and sees that there are a huge number of ICMP Echo Reply packets that are being received on the external gateway interface. Further inspection reveals that they are not responses from the internal hosts’ requests but simply responses coming from the Internet.
What could be the most likely cause?
A. Someone has spoofed Clive’s IP address while doing a smurf attack.
B. Someone has spoofed Clive’s IP address while doing a land attack.
C. Someone has spoofed Clive’s IP address while doing a fraggle attack.
D. Someone has spoofed Clive’s IP address while doing a DoS attack.
Answer: A
Explanation: The smurf attack, named after its exploit program, is a denial-of-service attack that uses spoofed broadcast ping messages to flood a target system. In such an attack, a perpetrator sends a large amount of ICMP echo (ping) traffic to IP broadcast addresses, all of it having a spoofed source address of the intended victim. If the routing device delivering traffic to those broadcast addresses performs the IP broadcast to layer 2 broadcast function, most hosts on that IP network will take the ICMP echo request and reply to it with an echo reply, multiplying the traffic by the number of hosts responding. On a multi-access broadcast network, hundreds of machines might reply to each packet.
Q11. What is the proper response for a FIN scan if the port is open?
A. SYN
B. ACK
C. FIN
D. PSH
E. RST
F. No response
Answer: F
Explanation: Open ports respond to a FIN scan by ignoring the packet in question.
Q12. In order to attack wireless network, you put up an access point and override the signal of the real access point. And when users send authentication data, you are able to capture it. What kind of attack is this?
A. WEP Attack
B. Drive by hacking
C. Rogue Access Point Attack
D. Unauthorized Access Point Attack
Answer: C
Explanation: A rogue access point is a wireless access point that has either been installed on a secure company network without explicit authorization from a local network management or has been created to allow a cracker to conduct a man-in-the-middle attack.
Q13. Bob is doing a password assessment for one of his clients. Bob suspects that security policies are not in place. He also suspects that weak passwords are probably the norm throughout the company he is evaluating. Bob is familiar with password weaknesses and key loggers.
Which of the following options best represents the means that Bob can adopt to retrieve passwords from his clients hosts and servers.
A. Hardware, Software, and Sniffing.
B. Hardware and Software Keyloggers.
C. Passwords are always best obtained using Hardware key loggers.
D. Software only, they are the most effective.
Answer: A
Explanation: Different types of keylogger planted into the environment would retrieve the passwords for Bob..
Q14. In Linux, the three most common commands that hackers usually attempt to Trojan are:
A. car, xterm, grep
B. netstat, ps, top
C. vmware, sed, less
D. xterm, ps, nc
Answer: B
Explanation: The easiest programs to trojan and the smartest ones to trojan are ones commonly run by administrators and users, in this case netstat, ps, and top, for a complete list of commonly trojaned and rootkited software please reference this URL: http://www.usenix.org/publications/login/1999-9/features/rootkits.html
Q15. What are two things that are possible when scanning UDP ports? (Choose two.
A. A reset will be returned
B. An ICMP message will be returned
C. The four-way handshake will not be completed
D. An RFC 1294 message will be returned
E. Nothing
Answer: BE
Explanation: Closed UDP ports can return an ICMP type 3 code 3 message. No response can mean the port is open or the packet was silently dropped.