Latest Eccouncil 312-50 Exam Dumps - Eccouncil 312-50 Dumps PDF
                                E   c  c  o  u  n  cil 312-50 Exam Dumps
Certified Ethical Hacker Exam V9
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Question: 1 
 
Email is transmitted across the Internet using the Simple Mail Transport Protocol. SMTP does not 
encrypt email, leaving the information in the message vulnerable to being read by an unauthorized 
person. SMTP can upgrade a connection between two mail servers to use TLS. Email transmitted by 
SMTP over TLS is encrypted. What is the name of the command used by SMTP to transmit email over 
TLS? 
 
A. OPPORTUNISTICTLS STARTTLS 
B. FORCETLS 
C. UPGRADETLS 
 
Answer:  B   
 
Question: 2 
 
Developers at your company are creating a web application which will be available for use by anyone on 
the Internet, The developers have taken the approach of implementing a Three-Tier Architecture for the 
web application. The developers are now asking you which network should the Presentation Tier (front- 
end web server) be placed in? 
 
A. isolated vlan network 
B. Mesh network 
C. DMZ network 
D. Internal network 
 
Answer: A       
 
Question: 3 
 
Your business has decided to add credit card numbers to the data it backs up to tape. Which of the 
following represents the best practice your business should observe? 
 
A. Hire a security consultant to provide direction. 
B. Do not back up cither the credit card numbers or then hashes. 
C. Back up the hashes of the credit card numbers not the actual credit card numbers. 
D. Encrypt backup tapes that are sent off-site. 
 
Answer:  A   
 
 
Question: 4 
 
What is the main security service a cryptographic hash provides? 
 
A. Integrity and ease of computation 
B. Message authentication and collision resistance 
C. Integrity and collision resistance 
D. Integrity and computational in-feasibility 
 
Answer: D       
 
Question: 5 
 
A pen tester is configuring a Windows laptop for a test. In setting up Wireshark, what river and library 
are required to allow the NIC to work in promiscuous mode? 
 
A. Libpcap 
B. Awinpcap 
C. Winprom 
D. Winpcap 
 
Answer:  D   
 
Question: 6 
 
What is one of the advantages of using both symmetric and asymmetric cryptography in SSL/TLS? 
 
A. Symmetric algorithms such as AES provide a failsafe when asymmetric methods fail. 
B. Asymmetric cryptography is computationally expensive in comparison. However, it is well-suited to 
securely negotiate keys for use with symmetric cryptography. 
C. Symmetric encryption allows the server to securely transmit the session keys out-of-band. 
D. Supporting both types of algorithms allows less-powerful devices such as mobile phones to use 
symmetric encryption instead. 
 
Answer:  D    
 
Question: 7 
 
 
When a security analyst prepares for the formal security assessment - what of the following should be 
done in order to determine inconsistencies in the secure assets database and verify that system is 
compliant to the minimum security baseline? 
 
A. Data items and vulnerability scanning 
B. Interviewing employees and network engineers 
C. Reviewing the firewalls configuration 
D. Source code review 
 
Answer:  A    
 
Question: 8 
 
Why containers are less secure that virtual machines? 
 
A. Host OS on containers has a larger surface attack. 
B. Containers may full fill disk space of the host. 
C. A compromise container may cause a CPU starvation of the host. 
D. Containers are attached to the same virtual network. 
 
Answer: A 
 
Question: 9 
 
These hackers have limited or no training and know how to use only basic techniques or tools. 
What kind of hackers are we talking about? 
 
A. Black-Hat Hackers A 
B. Script Kiddies 
C. White-Hat Hackers 
D. Gray-Hat Hacker 
 
Answer: C     
 
Question: 10 
 
Bob, your senior colleague, has sent you a mail regarding a deal with one of the clients. You are 
requested to accept the offer and you oblige. After 2 days. Bob denies that he had ever sent a mail. 
What do you want to ""know"" to prove yourself that it was Bob who had send a mail? 
 
A. Authentication 
B. Confidentiality 
 
C. Integrity 
D. Non-Repudiation 
 
Answer: D    
 
Question: 11 
 
In the field of cryptanalysis, what is meant by a “rubber-hose" attack? 
 
A. Attempting to decrypt cipher text by making logical assumptions about the contents of the original 
plain text. 
B. Extraction of cryptographic secrets through coercion or torture. 
C. Forcing the targeted key stream through a hardware-accelerated device such as an ASIC. 
D. A backdoor placed into a cryptographic algorithm by its creator. 
 
Answer: B     
 
Question: 12 
 
What type of analysis is performed when an attacker has partial knowledge of inner-workings of the 
application? 
 
A. Black-box 
B. Announced 
C. White-box 
D. Grey-box 
 
Answer: D 
 
Question: 13 
 
Which of the following steps for risk assessment methodology refers to vulnerability identification? 
 
A. Determines if any flaws exist in systems, policies, or procedures 
B. Assigns values to risk probabilities; Impact values. 
C. Determines risk probability that vulnerability will be exploited (High. Medium, Low) 
D. Identifies sources of harm to an IT system. (Natural, Human. Environmental) 
 
Answer: C      
 
 
Question: 14 
 
Log monitoring tools performing behavioral analysis have alerted several suspicious logins on a Linux 
server occurring during non-business hours. After further examination of all login activities, it is noticed 
that none of the logins have occurred during typical work hours. A Linux administrator who is 
investigating this problem realizes the system time on the Linux server is wrong by more than twelve 
hours. What protocol used on Linux servers to synchronize the time has stopped working? 
 
A. Time Keeper 
B. NTP 
C. PPP 
D. OSPP 
 
Answer: B   
 
Question: 15 
 
What is the minimum number of network connections in a multi homed firewall? 
 
A. 3 
B. 5 
C. 4 
D. 2 
 
Answer: A      
 
Question: 16 
 
Which of the following DoS tools is used to attack target web applications by starvation of available 
sessions on the web server? 
The tool keeps sessions at halt using never-ending POST transmissions and sending an arbitrarily large 
content-length header value. 
 
A. My Doom 
B. Astacheldraht 
C. R-U-Dead-Yet?(RUDY) 
D. LOIC 
 
Answer:  C 
 
 
Question: 17 
 
During the process of encryption and decryption, what keys are shared? 
During the process of encryption and decryption, what keys are shared? 
 
A. Private keys 
B. User passwords 
C. Public keys 
D. Public and private keys 
 
Answer: C 
 
Question: 18 
 
You need a tool that can do network intrusion prevention and intrusion detection, function as a network 
sniffer, and record network activity, what tool would you most likely select? 
 
A. Nmap 
B. Cain & Abel 
C. Nessus 
D. Snort 
 
Answer: D   
 
Question: 19 
 
How is the public key distributed in an orderly, controlled fashion so that the users can be sure of the 
sender’s identity? 
 
A. Hash value 
B. Private key 
C. Digital signature 
D. Digital certificate 
 
Answer: D      
 
Question: 20 
 
The network team has well-established procedures to follow for creating new rules on the firewall. This 
includes having approval from a manager prior to implementing any new rules. While reviewing the 
 
firewall configuration, you notice a recently implemented rule but cannot locate manager approval for 
it. What would be a good step to have in the procedures for a situation like this? 
 
A. Have the network team document the reason why the rule was implemented without prior manager 
approval. 
B. Monitor all traffic using the firewall rule until a manager can approve it. 
C. Do not roll back the firewall rule as the business may be relying upon it, but try to get manager 
approval as soon as possible. 
D. Immediately roll back the firewall rule until a manager can approve it 
 
Answer:  D   
 
Question: 21 
 
The Payment Card Industry Data Security Standard (PCI DSS) contains six different categories of control 
objectives. Each objective contains one or more requirements, which must be followed in order to 
achieve compliance. Which of the following requirements would best fit under the objective, 
"Implement strong access control measures"? 
 
A. Regularly test security systems and processes. 
B. Encrypt transmission of cardholder data across open, public networks. 
C. Assign a unique ID to each person with computer access. 
D. Use and regularly update anti-virus software on all systems commonly affected by malware. 
 
Answer: C     
 
Question: 22 
 
Nedved is an IT Security Manager of a bank in his country. One day. he found out that there is a security 
breach to his company's email server based on analysis of a suspicious connection from the email server 
to an unknown IP Address. 
What is the first thing that Nedved needs to do before contacting the incident response team? 
 
A. Leave it as it Is and contact the incident response te3m right away 
B. Block the connection to the suspicious IP Address from the firewall 
C. Disconnect the email server from the network 
D. Migrate the connection to the backup email server 
 
Answer: C