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2021 Oct 312-50v8 exam engine
Q21. When an alert rule is matched in a network-based IDS like snort, the IDS does which of the following?
A. Drops the packet and moves on to the next one
B. Continues to evaluate the packet until all rules are checked
C. Stops checking rules,sends an alert,and lets the packet continue
D. Blocks the connection with the source IP address in the packet
Answer: B
Q22. An Evil Cracker is attempting to penetrate your private network security. To do this, he must not be seen by your IDS, as it may take action to stop him. What tool might he use to bypass the IDS?
Select the best answer.
A. Firewalk
B. Manhunt
C. Fragrouter
D. Fragids
Answer: C
Q23. Which Windows system tool checks integrity of critical files that has been digitally signed by Microsoft?
A. signverif.exe
B. sigverif.exe
C. msverif.exe
D. verifier.exe
Answer: B
Q24. In the software security development life cyle process, threat modeling occurs in which phase?
A. Design
B. Requirements
C. Verification
D. Implementation
Answer: A
Q25. Jason's Web server was attacked by a trojan virus. He runs protocol analyzer and notices that the trojan communicates to a remote server on the Internet. Shown below is the standard "hexdump" representation of the network packet, before being decoded. Jason wants to identify the trojan by looking at the destination port number and mapping to a trojan-port number database on the Internet. Identify the remote server's port number by decoding the packet?
A. Port 1890 (Net-Devil Trojan)
B. Port 1786 (Net-Devil Trojan)
C. Port 1909 (Net-Devil Trojan)
D. Port 6667 (Net-Devil Trojan)
Answer: D
Updated 312-50v8 rapidshare:
Q26. The programmers on your team are analyzing the free, open source software being used to run FTP services on a server. They notice that there is an excessive number of fgets() and gets() on the source code. These C++ functions do not check bounds.
What kind of attack is this program susceptible to?
A. Buffer of Overflow
B. Denial of Service
C. Shatter Attack
D. Password Attack
Answer: A
Q27. Which type of security document is written with specific step-by-step details?
A. Process
B. Procedure
C. Policy
D. Paradigm
Answer: B
Q28. One of the ways to map a targeted network for live hosts is by sending an ICMP ECHO request to the broadcast or the network address. The request would be broadcasted to all hosts on the targeted network. The live hosts will send an ICMP ECHO Reply to the attacker's source IP address.
You send a ping request to the broadcast address 192.168.5.255.
There are 40 computers up and running on the target network. Only 13 hosts send a reply while others do not. Why?
A. Windows machines will not generate an answer (ICMP ECHO Reply) to an ICMP ECHO request aimed at the broadcast address or at the network address.
B. Linux machines will not generate an answer (ICMP ECHO Reply) to an ICMP ECHO request aimed at the broadcast address or at the network address.
C. You should send a ping request with this command ping ? 192.168.5.0-255
D. You cannot ping a broadcast address. The above scenario is wrong.
Answer: A
Q29. What is the goal of a Denial of Service Attack?
A. Capture files from a remote computer.
B. Render a network or computer incapable of providing normal service.
C. Exploit a weakness in the TCP stack.
D. Execute service at PS 1009.
Answer: B
Q30. If a token and 4-digit personal identification number (PIN) are used to access a computer system and the token performs off-line checking for the correct PIN, what type of attack is possible?
A. Birthday
B. Brute force
C. Man-in-the-middle
D. Smurf
Answer: B