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2021 Apr 312-50 practice
Q251. Clive has been hired to perform a Black-Box test by one of his clients.
How much information will Clive obtain from the client before commencing his test?
A. IP Range, OS, and patches installed.
B. Only the IP address range.
C. Nothing but corporate name.
D. All that is available from the client site.
Answer: C
Explanation: Penetration tests can be conducted in one of two ways: black-box (with no prior knowledge the infrastructure to be tested) or white-box (with complete knowledge of the infrastructure to be tested). As you might expect, there are conflicting opinions about this choice and the value that either approach will bring to a project.
Q252. You are footprinting an organization to gather competitive intelligence. You visit the company’s website for contact information and telephone numbers but do not find it listed there. You know that they had the entire staff directory listed on their website 12 months ago but not it is not there.
How would it be possible for you to retrieve information from the website that is outdated?
A. Visit google’s search engine and view the cached copy.
B. Visit Archive.org web site to retrieve the Internet archive of the company’s website.
C. Crawl the entire website and store them into your computer.
D. Visit the company’s partners and customers website for this information.
Answer: B
Explanation:
Explanation: Archive.org mirrors websites and categorizes them by date and month depending on the crawl time. Archive.org dates back to 1996, Google is incorrect because the cache is only as recent as the latest crawl, the cache is over-written on each subsequent crawl. Download the website is incorrect because that's the same as what you see online. Visiting customer partners websites is just bogus. The answer is then Firmly, C, archive.org
Q253. 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?
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.
Answer: B
Explanation: In a Windows 2000 network using Kerberos you normally use pre-authentication and the user password never leaves the local machine so it is never exposed to the network so it should not be able to be sniffed.
Q254. Exhibit:
Given the following extract from the snort log on a honeypot, what service is being exploited? :
A. FTP
B. SSH
C. Telnet
D. SMTP
Answer: A
Explanation: The connection is done to 172.16.1.104:21.
Q255. Bob is acknowledged as a hacker of repute and is popular among visitors of “underground” sites. Bob is willing to share his knowledge with those who are willing to learn, and many have expressed their interest in learning from him. However, this knowledge has a risk associated with it, as it can be used for malevolent attacks as well.
In this context, what would be the most affective method to bridge the knowledge gap between the “black” hats or crackers and the “white” hats or computer security professionals? (Choose the test answer)
A. Educate everyone with books, articles and training on risk analysis, vulnerabilities and safeguards.
B. Hire more computer security monitoring personnel to monitor computer systems and networks.
C. Make obtaining either a computer security certification or accreditation easier to achieve so more individuals feel that they are a part of something larger than life.
D. Train more National Guard and reservist in the art of computer security to help out in times of emergency or crises.
Answer: A
Explanation: Bridging the gap would consist of educating the white hats and the black hats equally so that their knowledge is relatively the same. Using books, articles, the internet, and professional training seminars is a way of completing this goal.
Up to the minute 312-50 rapidshare:
Q256. Which of the following display filters will you enable in Ethereal to view the three-way handshake for a connection from host 192.168.0.1?
A. ip == 192.168.0.1 and tcp.syn
B. ip.addr = 192.168.0.1 and syn = 1
C. ip.addr==192.168.0.1 and tcp.flags.syn
D. ip.equals 192.168.0.1 and syn.equals on
Answer: C
Q257. Study the log below and identify the scan type.
tcpdump –w host 192.168.1.10
A. nmap R 192.168.1.10
B. nmap S 192.168.1.10
C. nmap V 192.168.1.10
D. nmap –sO –T 192.168.1.10
Answer: D
Explanation: -sO: IP protocol scans: This method is used to determine which IP protocols are supported on a host. The technique is to send raw IP packets without any further protocol header to each specified protocol on the target machine.
Q258. An attacker finds a web page for a target organization that supplies contact information for the company. Using available details to make the message seem authentic, the attacker drafts e-mail to an employee on the contact page that appears to come from an individual who might reasonably request confidential information, such as a network administrator.
The email asks the employee to log into a bogus page that requests the employee's user name and password or click on a link that will download spyware or other malicious programming.
Google's Gmail was hacked using this technique and attackers stole source code and sensitive data from Google servers. This is highly sophisticated attack using zero-day exploit vectors, social engineering and malware websites that focused on targeted individuals working for the company.
What is this deadly attack called?
A. Spear phishing attack
B. Trojan server attack
C. Javelin attack
D. Social networking attack
Answer: A
Q259. One of your team members has asked you to analyze the following SOA record. What is the version?
Rutgers.edu.SOA NS1.Rutgers.edu ipad.college.edu (200302028 3600 3600 604800 2400.
A. 200303028
B. 3600
C. 604800
D. 2400
E. 60
F. 4800
Answer: A
Explanation: The SOA starts with the format of YYYYMMDDVV where VV is the version.
Q260. How do you defend against MAC attacks on a switch?
A. Disable SPAN port on the switch
B. Enable SNMP Trap on the switch
C. Configure IP security on the switch
D. Enable Port Security on the switch
Answer: D