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Exam Name: EC-Council Certified Security Analyst (ECSA)
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Exam Name: Ethical hacking and countermeasures
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Exam Name: Computer Hacking Forensic Investigator
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NO.1 Lori has just been tasked by her supervisor toonduct vulnerability scan on the corporate
network.She has been instructed to perform a very thorough test of the network to ensure that
there are no security holes on any of the machines.Lori's company does not own any commercial
scanning products, so she decides to download a free one off the Internet.Lori has never done a
vulnerability scan before, so she is unsure of some of the settings available in the software she
downloaded.One of the options is to choose which ports that can be scanned.Lori wants to do
exactly what her boss has told her, but she does not know what ports should be scanned. If Lori is
supposed to scan all known TCP ports, how many ports should she select in the software?
A.65536
B.1024
C.1025
D.Lori should not scan TCP ports, only UDP ports
Correct:A
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NO.2 Why is Social Engineering considered attractive by hackers and commonly done by experts in
the field?
A.It is not considered illegal
B.It is done by well-known hackers
C.It is easy and extremely effective to gain information
D.It does not require a computer in order to commit a crime
Correct:C
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NO.3 Mark works as a contractor for the Department of Defense and is in charge of network security.
He has spent the last month securing access to his network from all possible entry points. He has
segmented his network into several subnets and has installed firewalls all over the network. He
has placed very stringent rules on all the firewalls, blocking everything in and out except ports
that must be used. He does need to have port 80 open since his company hosts a website that
must be accessed from the Internet. Mark is fairly confident of his perimeter defenses, but is still
worried about programs like Hping2 that can get into a network through covert channels. How
should mark protect his network from an attacker using Hping2 to scan his internal network?
A.Block ICMP type 13 messages
B.Block all incoming traffic on port 53
C.Block all outgoing traffic on port 53
D.Use stateful inspection on the firewalls
Correct:A
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NO.4 Which of the following built-in C/C++ functions you should avoid to prevent your program from
buffer overflow attacks?
A.strcpy()
B.strcat()
C.streadd()
D.strsock()
Correct:A B C
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NO.5 Samantha has been actively scanning the client network for which she is doing a vulnerability
assessment test. While doing a port scan she notices ports open in the 135 to 139 range. What
protocol is most likely to be listening on those ports?
A.FTP
B.SMB
C.Finger
D.Samba
Correct:B
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NO.6 A client has approached you with a penetration test requirement. They are concerned with the
possibility of external threat, and have invested considerable resources in protecting their
Internet exposure. However, their main concern is the possibility of an employee elevating his/her
privileges and gaining access to information outside of their department. What kind of penetration
test would you recommend that would best address the client's concern?
A.A Grey Hat test
B.A Grey Box test
C.A Black Hat test
D.A White Hat test
E.A Black Box test
F.A White Box test
Correct:B
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NO.7 After a client sends a connection request (SYN) packet to the server, the server will respond
(SYN-ACK) with a sequence number of its choosing, which then must be acknowledged (ACK) by
the client. This sequence number is predictable; the attack connects to a service first with its own
IP address, records the sequence number chosen, and then opens a second connection from a
forged IP address. The attack doesn't see the SYN-ACK (or any other packet) from the server, but
can guess the correct responses. If the source IP address is used for authentication, then the
attacker can use the one-sided communication to break into the server. What attacks can you
successfully launch against a server using the above technique?
A.Session Hijacking attacks
B.Denial of Service attacks
C.Web page defacement attacks
D.IP spoofing attacks
Correct:A
EC-COUNCIL study guide EC0-350 original questions EC0-350 Exam Cost EC0-350
NO.8 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 from 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 rule. 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?
A.Enforce a password policy and use account lockouts after three wrong logon attempts even though 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 cannot completely block the intruders attempt if they constantly switch proxies
Correct:D
EC-COUNCIL study guide EC0-350 original questions EC0-350 Exam Cost EC0-350
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