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Code d'Examen: 312-92
Nom d'Examen: EC-COUNCIL (EC-Council Certified Secure Programmer v2)
Questions et réponses: 99 Q&As
Code d'Examen: 212-77
Nom d'Examen: EC-COUNCIL (Linux Security )
Questions et réponses: 50 Q&As
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NO.1 Which Linux command will securely delete a file by overwriting its contents?
A. rm rf /
B. Shred
C. ps rm
D. del rm
Answer: B
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NO.2 David is an applications developer working for Dewer and Sons law firm in Los Angeles David just
completed a course on writing secure code and was enlightened by all the intricacies of how code must
be rewritten many times to ensure its security. David decides to go through all the applications he has
written and change them to be more secure. David comes across the following snippet in one of his
programs:
#include <stdio.h>
int main(int argc, char **argv)
{
int number = 5;
printf(argv[1]);
putchar( \n );
printf( number (%p) is equal to %d\n ,
&value, value);
}
What could David change, add, or delete to make this code more secure?
A. Change putchar( \n ) to putchar( %s , \n )
B. Change printf(argv[1]) to printf( %s , argv[1])
C. Change printf(argv[1]) to printf(constv [0])
D. Change int number = 5 to const number =
Answer: B
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NO.3 Processes having the CAP_NET_BIND_SERVICE
can listen on which ports?
A. Any TCP port over 1024
B. Any UDP port under 1024
C. Any TCP port under 1024
D. Any UDP port over 1024
Answer: C
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NO.4 Wayne is a gaming software developer for a large video gaming company in Los Angeles. Wayne has
just completed developing a new action/adventure game for the company that is to be released soon. To
protect the company s copyright on the game, Wayne would like to incorporate a technology that will
restrict the use of the digital files by controlling access, altering, sharing, copying, printing, and saving.
What technology does Wayne want to use?
A. ARM
B. WRM
C. DRM
D. Diffusion
Answer: C
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NO.5 Kenny is the CIO for Fredrickson Entertainment, a gaming software company in Omaha. The
developers in Kenny s company have just finished creating a 3D first person shooter game that will be
released to the market within the next couple of months. Kenny is trying to decide what type of license or
activation code structure they should use for the game to prevent piracy and protect their product. Kenny
decides to go with an approach that will allow each sold copy to be activated online up to five times
because he knows his users might have multiple PCs or might need to reinstall the product at some point.
What type of activation policy has Kenny decided to go with?
A. Loose license enforced
reasonable use
B. License terms enforced
fair use
C. Strict license terms enforced
D. Monitor only mode
Answer: A
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NO.6 After learning from an external auditor that his code was susceptible to attack, George decided to
rewrite some of his code to look like the following. What is George preventing by changing the code?
public voif doContent(...) {
...
String s;
if ((s = getUsernameByID( userid )) != null) {
s = StringUtils.encodeToHTML(s, 50);
response.write( <br>Applicant:<u>
+ s +
</u> );
}
...
}
A. Query string manipulation
B. XSS attack
C. Cookie poisoning
D. SQL injection
Answer: B
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NO.7 Devon is an applications developer that just got back from a conference on how to correctly write code.
Devon has a number of programs he has written that access data across WAN links, so he is particularly
concerned about their security. Devon writes a script in C++ to check the security of the programs running
on his internal servers. What will the following code from Devon s script accomplish?
#include <iostream>
#include <socket.cpp>
#include <util.h>
using namespace std;
bool tryPort(int p);
string target("");
int main(int argC, char *argV[])
{
printf("PlagueZ port scanner 0.1\n");
int startPort = getInt("start Port: ");
int endPort = getInt("end Port: ");
target = getString("Host: ");
printf("[Processing port %d to %d]\n",
startPort, endPort);
for(int i=0; i<endPort; i++)
{
printf("[Trying port: %d]\n", i);
if(tryPort(i)) // port open
printf("[Port %d is open]\n", i);
}
printf("------Scan Finished-------\n");
system("pause");
return 0;
}
bool tryPort(int p)
{
SocketClient *scan;
try
{
scan = new SocketClient(target, p);
}
catch(int e) { delete &scan; return
false; }
delete &scan;
return true;
}
A. Scan the perimeter firewall for DoS vulnerabilities
B. Create socket connections to the remote sites to check their security
C. Close off any ports used by malicious code
D. Scan for open ports
Answer: D
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NO.8 Harold is programming an application that needs to be incorporate data encryption. Harold decides to
utilize an encryption algorithm that uses 4-bit working registers instead of the usual 2bit working registers.
What encryption algorithm has Harold decided to use?
A. Blowfish
B. RC5
C. RC4
D. RC6
Answer: D
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