EC COUNCIL-Certified Ethical Hacker v8 Set 19

1.

What happens during a SYN flood attack?

TCP connection requests floods a target machine is flooded with randomized source address & ports for the TCP ports. A TCP SYN packet, which is a connection initiation, is sent to a target machine, giving the target hosts address as both source and destination, and is using thesame port on the target host as both source and destination. A TCP packet is received with the FIN bit set but with no ACK bit set in the flags field. A TCP packet is received with both the SYN and the FIN bits set in the flags field.

2.

What is the term 8 to describe an attack that falsifies a broadcast ICMP echo request and includes a primary and secondary victim?

Fraggle Attack Man in the Middle Attack Trojan Horse Attack Smurf Attack Back Orifice Attack

3.

What is the goal of a Denial of Service Attack?

Capture files from a remote computer. Render a network or computer incapable of providing normal service. Exploit a weakness in the TCP stack. Execute service at PS 1009.

4.

What do you call a system where users need to remember only one username and password, and be authenticated for multiple services?

Simple Sign-on Unique Sign-on Single Sign-on Digital Certificate

5.

Clive has been monitoring his IDS and sees that there are a huge number of ICMP Echo Reply packets that are being received on the external gateway interface. Further inspection reveals that they are not responses from the internal hosts requests but simply responses coming from the Internet. What could be the most likely cause?

Someone has spoofed Clives IP address while doing a smurf attack. Someone has spoofed Clives IP address while doing a land attack. Someone has spoofed Clives IP address while doing a fraggle attack. Someone has spoofed Clives IP address while doing a DoS attack.

6.

What would best be defined as a security test on services against a known vulnerability database using an automated tool?

A penetration test A privacy review A server audit A vulnerability assessment

7.

A Buffer Overflow attack involves:

Using a trojan program to direct data traffic to the target host's memory stack Flooding the target network buffers with data traffic to reduce the bandwidth available to legitimate users Using a dictionary to crack password buffers by guessing user names and passwords Poorly written software that allows an attacker to execute arbitrary code on a target system

8.

When working with Windows systems, what is the RID of the true administrator account?

500 501 512 1001 1024

9.

If you send a SYN to an open port, what is the correct response?(Choose all correct answers.

SYN ACK FIN PSH

10.

When working with Windows systems, what is the RID of the true administrator account?

500 501 1000 1001 1024

EC COUNCIL-Certified Ethical Hacker v8 Set 19

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EC COUNCIL-Certified Ethical Hacker v8 Set 19

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