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Date:2010-1-14 11:42

ECCOUNCIL 312-50 exam

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Test4pass 312-50 braindumps Demo
1. While reviewing the results of a scan run against a target network you come across the following:
What was used to obtain this output?
A. An SNMP Walk
B. Hping2 diagnosis
C. A Bo2K System query
D. Nmap protocol/port scan
Answer: A
Explanation: The snmpwalk command is designed to perform a sequence of chained GETNEXT requests automatically, rather than having to issue the necessary snmpgetnext requests by hand. The command takes a single OID, and will display a list of all the results which lie within the subtree rooted on this OID.

2. 
Which of the following nmap command in Linux procedures the above output?
A. sudo nmap -sP 192.168.0.1/24
B. root nmap -sA 192.168.0.1/24
C. run nmap -TX 192.168.0.1/24
D. launch nmap -PP 192.168.0.1/24
Answer: A
Explanation: This is an output from a ping scan. The option -sP will give you a ping scan of the 192.168.0.1/24 network.

3. SNMP is a protocol used to query hosts, servers and devices about performance or health status data. Hackers have used this protocol for a long time to gather great amount of information about remote hosts. Which of the following features makes this possible?
A. It is susceptible to sniffing
B. It uses TCP as the underlying protocol
C. It is used by ALL devices on the market
D. It uses a community string sent as clear text
Answer: AD
Explanation: SNMP uses UDP, not TCP, and even though many devices uses SNMP not ALL devices use it and it can be disabled on most of the devices that does use it. However SNMP is susceptible to sniffing and the community string (which can be said acts as a password) is sent in clear text.

4. Jonathan being a keen administrator has followed all of the best practices he could find on securing his Windows Server. He renamed the Administrator account to a new name that can't be easily guessed but there remain people who attempt to compromise his newly renamed administrator account. How can a remote attacker decipher the name of the administrator account if it has been renamed?
A. The attacker guessed the new name
B. The attacker used the user2sid program
C. The attacker used to sid2user program
D. The attacker used NMAP with the V option
Answer: C
Explanation: User2sid.exe can retrieve a SID from the SAM (Security Accounts Manager) from the local or a remote machine Sid2user.exe can then be used to retrieve the names of all the user accounts and more. These utilities do not exploit a bug but call the functions LookupAccountName and LookupAccountSid respectively. What is more these can be called against a remote machine without providing logon credentials save those needed for a null session connection.

5. SNMP is a connectionless protocol that uses UDP instead of TCP packets? (True or False)
A. True
B. False
Answer: A


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