[Free] Download New Updated (February 2016) ECCouncil 312-50 Practice Tests 211-220

Ensurepass

QUESTION 211

The SNMP Read-Only Community String is like a password. The string is sent along with each SNMP Get-Request and allows (or denies) access to a device. Most network vendors ship their equipment with a default password of “public”. This is the so-called “default public community string”. How would you keep intruders from getting sensitive information regarding the network devices using SNMP? (Select 2 answers)

 

A.     Enable SNMPv3 which encrypts username/password authentication.

B.     Use your company name as the public community string replacing the default ‘public’.

C.     Enable IP filtering to limit access to SNMP device.

D.     The default configuration provided by device vendors is highly secure and you don’t need to change anything.

 

Correct Answer: AC

 

 

QUESTION 212

You are writing security policy that hardens and prevents Footprinting attempt by Hackers. Which of the following countermeasures will NOT be effective against this attack?

 

A.     Configure routers to restrict the responses to Footprinting requests.

B.     Configure Web Servers to avoid information leakage and disable unwanted protocols.

C.     Lock the ports with suitable Firewall configuration.

D.     Use an IDS that can be configured to refuse suspicious traffic and pick up Footprinting patterns.

E.      Evaluate the information before publishing it on the Website/Intranet.

F.      Monitor every employee computer with Spy cameras, keyloggers and spy on them.

G.     Perform Footprinting techniques and remove any sensitive information found on DMZ sites.

H.     Prevent search engines from caching a Webpage and use anonymous registration services.

I.       Disable directory and use split-DNS.

 

Correct Answer: F

 

QUESTION 213

Bank of Timbuktu is a medium-sized, regional financial institution in Timbuktu. The bank has deployed a new Internet-accessible Web application recently. Customers can access their account balances, transfer money between accounts, pay bills and conduct online financial business using a Web browser. John Stevens is in charge of information security at Bank of Timbuktu. After one month in production, several customers have complained about the Internet enabled banking application. Strangely, the account balances of many of the bank’s customers had been ch
anged. However, money hasn’t been removed from the bank; instead, money was transferred between accounts. Given this attack profile, John Stevens reviewed the Web application’s logs and found the following entries:

 

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What kind of attack did the Hacker attempt to carry out at the bank?

 

A.     Brute force attack in which the Hacker attempted guessing login ID and password from password cracking tools.

B.     The Hacker attempted Session hijacking, in which the Hacker opened an account with the bank, then logged in to receive a session ID, guessed the next ID and took over Jason’s session.

C.     The Hacker used a generator module to pass results to the Web server and exploited Web application CGI vulnerability.

D.     The Hacker first attempted logins with suspected user names, then used SQL Injection to gain access to valid bank login IDs.

 

Correct Answer: D

 

 

QUESTION 214

WWW wanderers or spiders are programs that traverse many pages in the World Wide Web by recursively retrieving linked pages. Search engines like Google, frequently spider web pages for indexing. How will you stop web spiders from crawling certain directories on your website?

 

A.     Place robots.txt file in the root of your website with listing of directories that you don’t want to be crawled.

B.     Place authentication on root directories that will prevent crawling from these spiders.

C.     Enable SSL on the restricted directories which will block these spiders from crawling.

D.     Place “HTTP:NO CRAWL” on the html pages that you don’t want the crawlers to index.

 

Correct Answer: A

 

 

QUESTION 215

You are trying to hijack a telnet session from a victim machine with IP address 10.0.0.5 to Cisco router at 10.0.0.1. You sniff the traffic and attempt to predict the sequence and acknowledgement numbers to successfully hijack the telnet session. Here is the captured data in tcpdump.

 

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What are the next sequence and acknowledgement numbers that the router will send to the victim machine?

 

A.     Sequence number: 82980070 Acknowledgement number: 17768885A.

B.     Sequence number: 17768729 Acknowledgement number: 82980070B.

C.     Sequence number: 87000070 Acknowledgement number: 85320085C.

D.     Sequence number: 82980010 Acknowledgement number: 17768885D.

 

Correct Answer: A

 

 

QUESTION 216

Hayden is the network security administrator for her company, a large finance firm based in Miami. Hayden just returned from a security conference in Las Vegas where they talked about all kinds of old and new security threats; many of which she did not know of. Hayden is worried about the current security state of her company’s network so she decides to start scanning the network from an external IP address. To see how some of the hosts on her network react, she sends out SYN packets to an IP range. A number of IPs responds with a SYN/ACK response. Before the connection is established she sends RST packets to those hosts to stop the session. She does this to see how her intrusion detection system will log the traffic. What type of scan is Hayden attempting here?

 

A.     Hayden is attempting to find live hosts on her company’s network by using an XMAS scan.

B.     She is utilizing a SYN scan to find live hosts that are listening on her network.

C.     The type of scan, she is using is called a NULL scan.

D.     Hayden is using a half-open scan to find live hosts on her network.

 

Correct Answer: D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

QUESTION 217

Web servers are often the most targeted and attacked hosts on organizations’ networks. Attackers may exploit software bugs in the Web server, underlying operating system, or active content to gain unauthorized access.

 

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Identify the correct statement related to the above Web Server installation?

 

A.     Lack of proper security policy, procedures and maintenance.

B.     Bugs in server software, OS and web applications.

C.     Installing the server with default settings.

D.     Unpatched security flaws in the server software, OS and applications.

 

Correct Answer: C

 

 

QUESTION 218

If an attacker’s computer sends an IPID of 24333 to a zombie (Idle Scanning) computer on a closed port, what will be the response?

 

A.     The zombie computer will respond with an IPID of 24334.

B.     The zombie computer will respond with an IPID of 24333.

C.     The zombie computer will not send a response.

D.     The zombie computer will respond with an IPID of 24335.

 

Correct Answer: A

QUESTION 219

Jacob is looking through a traffic log that was captured using Wireshark. Jacob has come across what appears to be SYN requests to an internal computer from a spoofed IP address. What is Jacob seeing here?

 

A.     Jacob is seeing a Smurf attack.

B.     Jacob is seeing a SYN flood.

C.     He is seeing a SYN/ACK attack.

D.     He has found evidence of an ACK flood.

 

Correct Answer: B

 

 

QUESTION 220

Which of the following Registry location does a Trojan add entries to make it persistent on Windows 7? (Select 2 answers)

 

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A.     HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRun

B.     HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsSystem32CurrentVersion Run

C.     HKEY_CURRENT_USERSoftwareMicrosoftWindowsSystem32CurrentVersionRun

D.     HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionRun

 

Correct Answer: AD

 

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