312-50 Exam Questions

ECCouncil 312-50 Ethical Hacking and Countermeasures

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312-50 Exam Questions

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312-50 Exam Questions

312-50 Practice test

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312-50 Exam Questions

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QUESTION 1, You are scanning into the target network for the first time. You find very few conventional ports open.

When you attempt to perform traditional service identification by connecting to the open ports, it yields either unreliable or no results. You are unsure of which protocols are being used. You need to discover as many different protocols as possible.

Which kind of scan would you use to achieve this? (Choose the best answer)

A. Nessus scan with TCP based pings.

B. Nmap scan with the –sP (Ping scan) switch.

C. Netcat scan with the –u –e switches.

D. Nmap with the –sO (Raw IP packets) switch.

Answer: D

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QUESTION 2, Which of the following is a patch management utility that scans one or more computers on your network and alerts you if you important Microsoft Security patches are missing. It then provides links that enable those missing patches to be downloaded and installed.

A. MBSA B. BSSA C. ASNB D. PMUS Answer: A

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QUESTION 3, What is a NULL scan?

A. A scan in which all flags are turned off B. A scan in which certain flags are off C. A scan in which all flags are on D. A scan in which the packet size is set to zero E. A scan with a illegal packet size Answer: A

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QUESTION 4, Exhibit:

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Study the following log extract and identify the attack.

A. Hexcode Attack B. Cross Site Scripting C. Multiple Domain Traversal Attack D. Unicode Directory Traversal Attack

Answer: D

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QUESTION 5, Samuel is the network administrator of DataX communications Inc. He is trying to configure his firewall to block password brute force attempts on his network. He enables blocking the intruder’s IP address for a period of 24 hours time after more than three unsuccessful attempts. He is confident that this rule will secure his network hackers on the Internet.

But he still receives hundreds of thousands brute-force attempts generated from various IP addresses around the world. After some investigation he realizes that the intruders are using a proxy somewhere else on the Internet which has been scripted to enable the random usage of various proxies on each request so as not to get caught by the firewall use.

Later he adds another rule to his firewall and enables small sleep on the password attempt so that if the password is incorrect, it would take 45 seconds to return to the user to begin another attempt. Since an intruder may use multiple machines to brute force the password, he also throttles the number of connections that will be prepared to accept from a particular IP address. This action will slow the intruder’s attempts. Samuel wants to completely block hackers brute force attempts on his network.

What are the alternatives to defending against possible brute-force password attacks on his site?

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A. Enforce a password policy and use account lockouts after three wrong logon attempts even through this might lock out legit users B. Enable the IDS to monitor the intrusion attempts and alert you by e-mail about the IP address of the intruder so that you can block them at the firewall manually C. Enforce complex password policy on your network so that passwords are more difficult to brute force D. You can’t completely block the intruders attempt if they constantly switch proxies Answer: D

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QUESTION 6, The network administrator at Spears Technology, Inc has configured the default gateway Cisco Router’s access-list as below: You are tried to conduct security testing on their network.

You successfully bruteforce for SNMP community string using a SNMP crack tool. The access-list configured at the router prevents you from establishing a successful connection.

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You want to retrieve the Cisco Configuration from the router. How would you proceed?

A. Send a customized SNMP set request with spoofed source IP Address in the range- 192.168.1.0 B. Run a network sniffer and capture the returned traffic with the configuration file from the router C. Run Generic Routing Encapsulation (GRE) tunneling protocol from your computer to the router masking your IP address D. Use the Cisco’s TFTP default password to connect and download the configuration file Answer: A,B

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QUESTION 7, Telnet <IP Address> <Port 80> HEAD /HTTP/1.0 <Return> <Return> A. This command returns the home page for the IP address specified B. This command opens a backdoor Telnet session to the IP address specified C. This command returns the banner of the website specified by IP address D. This command allows a hacker to determine the sites security E. This command is bogus and will accomplish nothing Answer: C

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QUESTION 8, What does black box testing mean?

A. You have full knowledge of the environment B. You have no knowledge of the environment C. You have partial knowledge of the environment Answer: B

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QUESTION 9, Ron has configured his network to provide strong perimeter security. As part of his network architecture, he has included a host that is fully exposed to attack. The system is on the public side of the demilitarized zone, unprotected by a firewall or filtering router. What would you call such a host?

A. Honeypot B. DMZ host C. DWZ host D. Bastion Host

Answer: D

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QUESTION 10, What is the IV key size used in WPA2?

A. 32 B. 24 C. 16 D. 48 E. 128 Answer: D

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312-50 Exam Questions

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312-50 Exam Questions

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