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시험 이름: Ethical hacking and countermeasures
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EC0-350 덤프무료샘플다운로드하기: http://www.itexamdump.com/EC0-350.html
NO.1 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
EC-COUNCIL시험 EC0-350 EC0-350시험후기
NO.2 Travis works primarily from home as a medical transcriptionist. He just bought a brand new
Dual Core Pentium computer with over 3 GB of RAM. He uses voice recognition software to help
him transfer what he dictates to electronic documents. The voice recognition software is
processor intensive, which is why he bought the new computer. Travis frequently has to get on
the Internet to do research on what he is working on. After about two months of working on his
new computer, he notices that it is not running nearly as fast as it used to. Travis uses antivirus
software, anti-spyware software, and always keeps the computer up-to-date with Microsoft
patches. After another month of working on the computer, Travis' computer is even more
noticeably slow. Every once in awhile, Travis also notices a window or two pop-up on his screen,
but they quickly disappear.He has seen these windows show up, even when he has not been on
the Internet. Travis is really worried about his computer because he spent a lot of money on it, and
he depends on it to work. Travis scans his computer with all kinds of software, and cannot find
anything out of the ordinary. Travis decides to go through Windows Explorer and check out the
file system, folder by folder, to see if there is anything he can find. He spends over four hours
pouring over the files and folders and cannot find anything.But, before he gives up, he notices
that his computer only has about 10 GB of free space available.Since his hard drive is a 200 GB
hard drive, Travis thinks this is very odd. Travis downloads Space Monger and adds up the sizes
for all the folders and files on his computer. According to his calculations, he should have around
150 GB of free space. What is mostly likely the cause of Travis' problems?
A.Travis's computer is infected with stealth kernel level rootkit
B.Travis's computer is infected with Stealth Trojan Virus
C.Travis's computer is infected with Self-Replication Worm that fills the hard disk space
D.Logic Bomb is triggered at random times creating hidden data consuming junk files
Correct:A
EC-COUNCIL시험 EC0-350 EC0-350시험후기
NO.3 Which programming language is NOT vulnerable to buffer overflow attacks?
A.Java
B.ActiveX
C.C++
D.Assembly Language
Correct:A
EC-COUNCIL시험 EC0-350 EC0-350시험후기
NO.4 Bob is acknowledged as a hacker of repute and is popular among visitors of 'underground' sites.
Bob is willing to share his knowledge to those who are willing to learn, and many have expressed
their interest in learning from him. However, this knowledge has risks associated with it, as the
same knowledge can be used for malevolent attacks as well. In this context, what would be the
most effective method to bridge the knowledge gap between the "black" hats or crackers and the
"white" hats or computer security professionals?
A.Hire more computer security monitoring personnel to monitor computer systems and networks
B.Educate everyone with books, articles and training on risk analysis, vulnerabilities and safeguards
C.Train more national guard and reservist in the art of computer security to help out in times of emergency
or crises
D.Make obtaining either a computer security certification or accreditation easier to achieve so more
individuals feel that they are a part of something larger than life
Correct:B
EC-COUNCIL시험 EC0-350 EC0-350시험후기
NO.5 Bill has started to notice some slowness on his network when trying to update his company's
website and while trying to access the website from the Internet. Bill asks the help desk manager
if he has received any calls about slowness from the end users, but the help desk manager says
that he has not. Bill receives a number of calls from customers that cannot access the company
website and cannot purchase anything online. Bill logs on to a couple of his routers and notices
that the logs show network traffic is at an all time high.?He also notices that almost all the traffic
is originating from a specific address. Bill decides to use Geotrace to find out where the suspect
IP is originates from. The Geotrace utility runs a traceroute and finds that the IP is coming from
Panama.?Bill knows that none of his customers are in Panama so he immediately thinks that his
company is under a Denial of Service attack. Now Bill needs to find out more about the originating
IP address. What Internet registry should Bill look in to find the IP address?
A.LACNIC
B.ARIN
C.RIPE LACNIC
D.APNIC
Correct:A
EC-COUNCIL시험 EC0-350 EC0-350시험후기
NO.6 What is the purpose of firewalking?
A.It's a technique used to map routers on a network link
B.It's a technique used to discover Wireless network on foot
C.It's a technique used to discover interface in promiscuous mode
D.It's a technique used to discover what rules are configured on a gateway
Correct:D
EC-COUNCIL시험 EC0-350 EC0-350시험후기
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-COUNCIL시험 EC0-350 EC0-350시험후기
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-COUNCIL시험 EC0-350 EC0-350시험후기
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