Real IBM 1D0-571 (CIW v5 Security Essentials) exam Q&As free download
1.An application is creating hashes of each file on an attached storage device. Which of the following will
typically occur during this process?
A. An increase in the amount of time it takes for the system to respond to requests
B. Reduced risk of an attack
C. Increased risk of an attack
D. A reduction in the amount of time it takes for the system to respond to requests
Answer: A
2.You have been assigned to configure a DMZ that uses multiple firewall components. Specifically, you
must configure a router that will authoritatively monitor and, if necessary, block traffic. This device will be
the last one that inspects traffic before it passes to the internal network. Which term best describes this
device?
A. Screening router
B. Bastion host
C. Proxy server
D. Choke router
Answer: D
3.A distributed denial-of-service (DDOS) attack has occurred where both ICMP and TCP packets have
crashed the company’s Web server. Which of the following techniques will best help reduce the severity
of this attack?
A. Filtering traffic at the firewall
B. Changing your ISP
C. Installing Apache Server rather than Microsoft IIS
D. Placing the database and the Web server on separate systems
Answer: A
4.Which of the following is considered to be the most secure default firewall policy, yet usually causes the
most work from an administrative perspective?
A. Configuring the firewall to respond automatically to threats
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B. Blocking all access by default, then allowing only necessary connections
C. Configuring the firewall to coordinate with the intrusion-detection system
D. Allowing all access by default, then blocking only suspect network connections
Answer: B
5.Which of the following is most likely to pose a security threat to a Web server?
A. CGI scripts
B. Database connections
C. Flash or Silverlight animation files
D. LDAP servers
Answer: A
6.What is the first tool needed to create a secure networking environment?
A. User authentication
B. Confidentiality
C. Security policy
D. Auditing
Answer: C
7.Irina has contracted with a company to provide Web design consulting services. The company has
asked her to use several large files available via an HTTP server. The IT department has provided Irina
with user name and password, as well as the DNS name of the HTTP server. She then used this
information to obtain the files she needs to complete her task using Mozilla Firefox. Which of the following
is a primary risk factor when authenticating with a standard HTTP server?
A. HTTP usescleartext transmission during authentication, which can lead to a man-in-the-middle attack.
B. Irina has used the wrong application for this protocol, thus increasing the likelihood of a
man-inthe-middle attack.
C. A standard HTTP connection uses public-key encryption that is not sufficiently strong, inviting the
possibility of a man-in-the-middle attack.
D. Irina has accessed the Web server using a non-standard Web browser.
Answer: A
8.Requests for Web-based resources have become unacceptably slow. You have been assigned to
implement a solution that helps solve this problem. Which of the following would you recommend?
A. Enablestateful multi-layer inspection on the packet filter
B. Implement caching on the network proxy server
C. Enable authentication on the network proxy server
D. Implement a screening router on the network DMZ
Answer: B
9.You have discovered that the ls, su and ps commands no longer function as expected. They do not
return information in a manner similar to any other Linux system. Also, the implementation of Tripwire you
have installed on this server is returning new hash values. Which of the following has most likely
occurred?
A. Atrojan has attacked the system.
B. A SQL injection attack has occurred.
C. A spyware application has been installed.
D. A root kit has been installed on the system.
Answer: D
10.Which of the following organizations provides regular updates concerning security breaches and
issues?
A. IETF
B. ISO
C. ICANN
D. CERT
Answer: D
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