Question 1

The ping -l option changes the size of the packet you can send.

Accepted Answer

A) True 
 B)False  True

Question 2

A firewall can be configured to disallow certain types of incoming traffic that may be attacking.

Accepted Answer

A) True 
 B)False  True

Question 3

One classic denial-of-service attack distributed by email was _____________.

Accepted Answer

A) myDoom 
B) Linux 
C) pingflood 
D) None of the above 
A) myDoom 
B) Linux 
C) pingflood 
D) None of the above A

Question 4

A denial-of-service attack is one of the most common attacks on a system.

Accepted Answer

A) True 
 B)False

Question 5

The command-line command to instruct the ping utility to send packets until explicitly told to stop is ping ____.

Accepted Answer

A) -s 
B) -t 
C) -u 
D) None of the above 
A) -s 
B) -t 
C) -u 
D) None of the above

Question 6

The attack in which the attacker sends a fragmented message that the victim cannot reconstruct is a(n)________ attack.

Accepted Answer

A) Teardrop 
B) Land 
C) myDoom 
D) echo-chargen 
A) Teardrop 
B) Land 
C) myDoom 
D) echo-chargen

Question 7

The command-line command to display all options for the ping command is ping ____.

Accepted Answer

A) -h 
B) -i 
C) -j 
D) none of the above 
A) -h 
B) -i 
C) -j 
D) none of the above

Question 8

One defense against denial-of-service attacks is to _______ ICMP packets.

Accepted Answer

A) Block 
B) Convert 
C) Permit 
D) Modify 
A) Block 
B) Convert 
C) Permit 
D) Modify

Question 9

An echo-chargen attack occurs when the attacker sends a forged packet with the same source IP address and destination IP address as the target's IP address.

Accepted Answer

A) True 
 B)False

Question 10

The attack in which the attacker sends a packet that is too large and can shut down a target machine is a(n)________________ attack.

Accepted Answer

A) ICMP flood 
B) Ping of Death 
C) Teardrop 
D) None of the above 
A) ICMP flood 
B) Ping of Death 
C) Teardrop 
D) None of the above

Question 11

A teardrop attack involves sending a forged packet to the victim.

Accepted Answer

A) True 
 B)False

Question 12

One tool used for a denial-of-service attack is ______________.

Accepted Answer

A) Linux 
B) Tribal Flood Network 
C) UDP 
D) None of the above 
A) Linux 
B) Tribal Flood Network 
C) UDP 
D) None of the above

Question 13

Which defensive technique involves the server sending a wrong SYN+ACK to the client,so the client sends and RST packet notifying the server of an error? This makes the server think the client request is legitimate.

Accepted Answer

A) Stack tweaking 
B) RST cookies 
C) SYN cookies 
D) None of the above 
A) Stack tweaking 
B) RST cookies 
C) SYN cookies 
D) None of the above

Question 14

SYN cookies are a form of attack.

Accepted Answer

A) True 
 B)False

Question 15

Which type of attack attempts to overload the system with requests,denying legitimate users access?

Accepted Answer

A) Denial of service 
B) ip spoofing 
C) Phishing 
D) None of the above 
A) Denial of service 
B) ip spoofing 
C) Phishing 
D) None of the above

Question 16

The attack in which the attacker sends a forged packet with the same source IP address and destination IP address in which the victim may be tricked into sending messages to and from itself is a(n)_______________ attack.

Accepted Answer

A) Teardrop 
B) Land 
C) myDoom 
D) echo-chargen 
A) Teardrop 
B) Land 
C) myDoom 
D) echo-chargen

Question 17

_________ attacks are becoming less common in modern operating systems.

Accepted Answer

A) Denial of service 
B) SYN flood 
C) Buffer overflow 
D) None of the above. 
A) Denial of service 
B) SYN flood 
C) Buffer overflow 
D) None of the above.

Question 18

Which defensive technique involves altering the TCP stack on the server so that it will take less time to timeout when a SYN connection is left incomplete?

Accepted Answer

A) Stack tweaking 
B) RST cookies 
C) SYN cookies 
D) None of the above 
A) Stack tweaking 
B) RST cookies 
C) SYN cookies 
D) None of the above

Question 19

Which attack involves sending an ICMP packet to the broadcast address so that it is then sent to the spoofed source address,causing the network to perform a DoS attack on one of more of its member servers?

Accepted Answer

A) Stack tweaking 
B) RST cookies 
C) Smurf IP attack 
D) None of the above 
A) Stack tweaking 
B) RST cookies 
C) Smurf IP attack 
D) None of the above

Question 20

A smurf attack is a type of malware attack.

Accepted Answer

A) True 
 B)False

The ping -l option changes the size of the packet you can send.

A firewall can be configured to disallow certain types of incoming traffic that may be attacking.

One classic denial-of-service attack distributed by email was _____________.

A denial-of-service attack is one of the most common attacks on a system.

The command-line command to instruct the ping utility to send packets until explicitly told to stop is ping ____.

The attack in which the attacker sends a fragmented message that the victim cannot reconstruct is a(n)________ attack.

The command-line command to display all options for the ping command is ping ____.

One defense against denial-of-service attacks is to _______ ICMP packets.

An echo-chargen attack occurs when the attacker sends a forged packet with the same source IP address and destination IP address as the target's IP address.

The attack in which the attacker sends a packet that is too large and can shut down a target machine is a(n)________________ attack.

A teardrop attack involves sending a forged packet to the victim.

One tool used for a denial-of-service attack is ______________.

Which defensive technique involves the server sending a wrong SYN+ACK to the client,so the client sends and RST packet notifying the server of an error? This makes the server think the client request is legitimate.

SYN cookies are a form of attack.

Which type of attack attempts to overload the system with requests,denying legitimate users access?

The attack in which the attacker sends a forged packet with the same source IP address and destination IP address in which the victim may be tricked into sending messages to and from itself is a(n)_______________ attack.

_________ attacks are becoming less common in modern operating systems.

Which defensive technique involves altering the TCP stack on the server so that it will take less time to timeout when a SYN connection is left incomplete?

Which attack involves sending an ICMP packet to the broadcast address so that it is then sent to the spoofed source address,causing the network to perform a DoS attack on one of more of its member servers?

A smurf attack is a type of malware attack.

Introduction to Computer Security

Networks and the Internet

Cyber Stalking, Fraud, and Abuse

Malware

Techniques Used by Hackers

Industrial Espionage in Cyberspace

Encryption

Computer Security Software

Security Policies

Network Scanning and Vulnerability Scanning

Cyber Terrorism and Information Warfare

Cyber Detective

Introduction to Forensics

Filters

Exam 4: Denial of Service Attacks

The ping -l option changes the size of the packet you can send.

A firewall can be configured to disallow certain types of incoming traffic that may be attacking.

One classic denial-of-service attack distributed by email was _____________.

A denial-of-service attack is one of the most common attacks on a system.

The command-line command to instruct the ping utility to send packets until explicitly told to stop is ping ____.

The attack in which the attacker sends a fragmented message that the victim cannot reconstruct is a(n)________ attack.

The command-line command to display all options for the ping command is ping ____.

One defense against denial-of-service attacks is to _______ ICMP packets.

An echo-chargen attack occurs when the attacker sends a forged packet with the same source IP address and destination IP address as the target's IP address.

The attack in which the attacker sends a packet that is too large and can shut down a target machine is a(n)________________ attack.

A teardrop attack involves sending a forged packet to the victim.

One tool used for a denial-of-service attack is ______________.

Which defensive technique involves the server sending a wrong SYN+ACK to the client,so the client sends and RST packet notifying the server of an error? This makes the server think the client request is legitimate.

SYN cookies are a form of attack.

Which type of attack attempts to overload the system with requests,denying legitimate users access?

The attack in which the attacker sends a forged packet with the same source IP address and destination IP address in which the victim may be tricked into sending messages to and from itself is a(n)_______________ attack.

_________ attacks are becoming less common in modern operating systems.

Which defensive technique involves altering the TCP stack on the server so that it will take less time to timeout when a SYN connection is left incomplete?

Which attack involves sending an ICMP packet to the broadcast address so that it is then sent to the spoofed source address,causing the network to perform a DoS attack on one of more of its member servers?

A smurf attack is a type of malware attack.

Introduction to Computer Security

Networks and the Internet

Cyber Stalking, Fraud, and Abuse

Malware

Techniques Used by Hackers

Industrial Espionage in Cyberspace

Encryption

Computer Security Software

Security Policies

Network Scanning and Vulnerability Scanning

Cyber Terrorism and Information Warfare

Cyber Detective

Introduction to Forensics

Filters