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Exam Number/Code : 1D0-570
Exam Name : CIW v5 Security Professional Exam
Questions and Answers : 120
Update Time: 2009-11-26
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Exam : CIW 1D0-570
Title : CIW V5 Security Professional Exam
1. Consider the following firewall rules:
Incoming traffic:
TCP Port 25
TCP Port 139: Denied
UDP Port 137: Denied
UDP Port 138: Denied
ICMP echo request: Denied
ICMP echo reply: Denied
Outgoing traffic:
TCP Ports 1024 through 65,535 to port 80: Denied
TCP Port 80: Denied
ICMP echo request: Denied
ICMP echo reply: Denied
TCP Port 139: Denied
UDP Port 137: Denied
UDP Port 138: Denied
All company production servers reside behind the corporate firewall. However, you discover that the Web server performance is very low. After sniffing the traffic to the Web server, you learn that the Web server is experiencing a distributed denial-of-service attack in which millions of ping packets are being directed at the server. Which of the following is the most plausible explanation for this situation?
A.There is a flaw in the firewall rule set.
B.The firewall is not configured to block ICMP packets generated by the ping command.
C.The attack is originating from a wireless access point (WAP) connected to the corporate network.
D.The attack is originating from a Web server that has not been properly updated, and which has been infected with a Trojan horse.
Answer: C
2. The chief operations officer (COO) has questioned the need for end-user training. Which of the following is the most effective response?
A.Indicate that you will not be responsible for the next virus outbreak.
B.Remind the CEO about the last virus attack and the expense incurred.
C.Explain that the cost of end-user training is a fraction of the cost of the last security breach caused by end users.
D.Provide statistics that definitively show how end-user training reduces the likelihood of security breaches on the corporate network.
Answer: C
3. A Linux system running Apache Server has received millions of SYN packets that it can no longer respond to, because the client’s operator is maliciously withholding the necessary reply packet. What is the most common solution for this problem?
A.Implement SSL.
B.Implement SYN cookie support.
C.Upgrade the TCP/IP stack with new software.
D.Upgrade the operating system to support IPsec.
Answer: B
4. Consider the following sequence:
user1@zeppelin:/public$ su -
root@zeppelin:~# chmod 1777 /public
root@zeppelin:~# exit
Which of the following most accurately describes the result of this command?
A.Only the root user can create and delete files in the /public directory.
B.All users can create, delete and read files in the /public directory, but only root has execute permissions.
C.All users can create and read files in the /public directory, but only root can delete another user’s file.
D.Any user can create files in the / directory, but no user can delete a file in this directory unless root permissions are obtained.
Answer: C
5. Two routers in your company network require a firmware upgrade. Which of the following upgrade strategies will reduce downtime?
A.Conducting the upgrade while the routers are still running
B.Upgrading the routers using the latest upgrade software
C.Conducting the upgrade after rebooting the router
D.Upgrading the routers after business hours
Answer: D
6. What is the first step of a gap analysis?
A.Scan the firewall.
B.Review antivirus settings.
C.Review the security policy.
D.Review intrusion-detection software settings.
Answer: C
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