Updated EC-Council CEH 312-50v8 PDF & VCE Free Download Now (61-70)

QUESTION 61
LAN Manager Passwords are concatenated to 14 bytes, and split in half. The two halves are hashed individually. If the password is 7 characters or less, than the second half of the hash is always:

A.    0xAAD3B435B51404EE
B.    0xAAD3B435B51404AA
C.    0xAAD3B435B51404BB
D.    0xAAD3B435B51404CC

Answer: A

QUESTION 62
When writing shellcodes, you must avoid ____________ because these will end the string.
 
A.    Root bytes
B.    Null bytes
C.    Char bytes
D.    Unicode bytes

Answer: B

QUESTION 63
Jess the hacker runs L0phtCrack’s built-in sniffer utility that grabs SMB password hashes and stores them for offline cracking. Once cracked, these passwords can provide easy access to whatever network resources the user account has access to. But Jess is not picking up hashes from the network. Why?

A.    The network protocol is configured to use SMB Signing
B.    The physical network wire is on fibre optic cable
C.    The network protocol is configured to use IPSEC
D.    L0phtCrack SMB sniffing only works through Switches and not Hubs

Answer: A

QUESTION 64
Harold works for Jacobson Unlimited in the IT department as the security manager. Harold has created a security policy requiring all employees to use complex 14 character passwords. Unfortunately, the members of management do not want to have to use such long complicated passwords so they tell Harold’s boss this new password policy should not apply to them. To comply with the management’s wishes, the IT department creates another Windows domain and moves all the management users to that domain. This new domain has a password policy only requiring 8 characters. Harold is concerned about having to accommodate the managers, but cannot do anything about it. Harold is also concerned about using LanManager security on his network instead of NTLM or NTLMv2, but the many legacy applications on the network prevent using the more secure NTLM and NTLMv2. Harold pulls the SAM files from the DC’s on the original domain and the new domain using Pwdump6. Harold uses the password cracking software John the Ripper to crack users’ passwords to make sure they are strong enough. Harold expects that the users’ passwords in the original domain will take much longer to crack than the management’s passwords in the new domain. After running the software, Harold discovers that the 14 character passwords only took a short time longer to crack than the 8 character passwords. Why did the 14 character passwords not take much longer to crack than the 8 character passwords?

A.    Harold should have used Dumpsec instead of Pwdump6
B.    Harold’s dictionary file was not large enough
C.    Harold should use LC4 instead of John the Ripper
D.    LanManger hashes are broken up into two 7 character fields

Answer: D

QUESTION 65
You establish a new Web browser connection to Google. Since a 3-way handshake is required for any TCP connection, the following actions will take place.

DNS query is sent to the DNS server to resolve www.google.com
DNS server replies with the IP address for Google
SYN packet is sent to Google.
Google sends back a SYN/ACK packet
Your computer completes the handshake by sending an ACK

The connection is established and the transfer of data commences

Which of the following packets represent completion of the 3-way handshake?

A.    4th packet
B.    3rdpacket
C.    6th packet
D.    5th packet

Answer: D

QUESTION 66
E-mail tracking is a method to monitor and spy the delivered e-mails to the intended recipient.

Select a feature, which you will NOT be able to accomplish with this probe?

A.    When the e-mail was received and read
B.    Send destructive e-mails
C.    GPS location and map of the recipient
D.    Time spent on reading the e-mails
E.    Whether or not the recipient visited any links sent to them
F.    Track PDF and other types of attachments
G.    Set messages to expire after specified time
H.    Remote control the User’s E-mail client application and hijack the traffic

Answer: H

QUESTION 67
Which of the following Trojans would be considered ‘Botnet Command Control Center’?

A.    YouKill DOOM
B.    Damen Rock
C.    Poison Ivy
D.    Matten Kit

Answer: C

QUESTION 68
What type of Virus is shown here?

A.    Macro Virus
B.    Cavity Virus
C.    Boot Sector Virus
D.    Metamorphic Virus
E.    Sparse Infector Virus

Answer: B

QUESTION 69
John is using a special tool on his Linux platform that has a database containing signatures to be able to detect hundreds of vulnerabilities in UNIX, Windows, and commonly used web CGI/ASPX scripts. Moreover, the database detects DDoS zombies and Trojans as well. What would be the name of this tool?

A.    hping2
B.    nessus
C.    nmap
D.    make

Answer: B

QUESTION 70
Fred is scanning his network to ensure it is as secure as possible. Fred sends a TCP probe packet to a host with a FIN flag and he receives a RST/ACK response. What does this mean?

A.    This response means the port he is scanning is open.
B.    The RST/ACK response means the port Fred is scanning is disabled.
C.    This means the port he is scanning is half open.
D.    This means that the port he is scanning on the host is closed.

Answer: D

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