Hamster

1. What are the characteristics of the encryption used in PKI? (Choose two)

A. Symmetric

B. Non-reversible

C. Asymmetric

D. Reversible

2. Which of the followings can be accomplished by applying a Digital Signature to an email?

A. The receiver will notice if the contents of the email is altered during the transmission.

B. The identity of the sender can be assured.

C. The contents of the email cannot be read by others except the receiver.

D. The identity of the receiver can be assured.

3. Personal identity verification systems which use hand or fingerprint, handwriting, eye pattern, voice, face, or any other physical characteristics for authentication are:

A. Physiometric devices.

B. Technological systems.

C. Biometric devices.

D. Physical analysis devices.

4. A program that does not reproduce itself but pretends to be performing a legitimate action, which acting performing malicious operations in the background is the characteristic of which of the following?

A. Trojan.

B. Virus.

C. Trapdoor.

D. Worms.

5. Which of the following would MOST effectively enhance the security of a challenge-response based authentication system?

A. Selecting a more robust algorithm to generate challenge strings.

B. Increasing the frequency of associated password changes.

C. Increasing the length of authentication strings.

D. Implementing measures to prevent session hijacking attacks.

6. Which of the following is a problem with symmetric key encryption?

A. Most algorithms are kept proprietary

B. Secure distribution of the secret key

C. Is slower than asymmetric key encryption

D. Work factor is not a function of the key size

7. The goals of integrity do NOT include:

A. Accountability of responsible individuals.

B. Preservation of internal and external consistency.

C. Prevention of unauthorized or unintentional modification of information by users.

D. Prevention of the modification of information by unauthorized users.

8. It is estimated that for the moment the computers in your company will be infected by viruses about 3 times annually. Each time it will cost $4000. Which of the following solution would you consider for better security?

A. Install a firewall at the cost of $20000 annually.

B. Install anti-virus software at the cost of $10000 annually.

C. Set up a thin client environment at the cost of $13000 annually.

D. Migrate to Linux at the cost of $13000 annually.

9. While downloading software, a hash may be provided to:

A. Ensure that the software comes from a genuine source.

B. Serve as a license key for paid users of the software.

C. Ensure that the software is the correct revision number.

D. Ensure that the software has not been modified.

10. The primary function of a physical protection system is?

A. Determine, direct and dispatch.

B. Display, develop, initiate and apprehend.

C. Evaluate, dispatch and detain.

D. Detection, delay and response.

11. When using a universal storage bus (USB) flash drive to transport confidential corporate data to an offsite location, an effective control would be to:

A. Encrypt the folder containing the data with a strong key.

B. Assure management that you will not lose the flash drive.

C. Request that management deliver the flash drive by courier.

D. Carry the flash drive in a portable safe.

12. Which of the following protocol is usually used in a site-to-site VPN?

A. PPP

B. IPSec

C. DES

D. RSA

13. Which of the following would be an indicator of the effectiveness of a computer security incident response team?

A. Number of successful penetration tests.

B. Percentage of business applications that are being protected.

C. Number of security vulnerabilities that were patched.

D. Financial impact per security incident.

14. The role of the certificate authority (CA) as a third party is to:

A. Host a repository of certificates with the corresponding public and secret keys issued by that CA.

B. Confirm the identity of the entity owning a certificate issued by that CA.

C. Provide secured communication and networking services based on certificates.

D. Act as a trusted intermediary between two communication partners.

15. In order to ensure constant redundancy and fault-tolerance, which of the following type of spare is recommended?

A. Hot spare.

B. Cold spare.

C. Archives.

D. Warm spare.

CM243_v2