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CM243_v2
考前須知
CISA及CISSP：成為訊息安全審查員或訊息安全專員課程自我檢查
1. Which of the following would MOST effectively enhance the security of a challenge-response based authentication system?
A.
Increasing the length of authentication strings.
B.
Increasing the frequency of associated password changes.
C.
Implementing measures to prevent session hijacking attacks.
D.
Selecting a more robust algorithm to generate challenge strings.
2. The goals of integrity do NOT include:
A.
Accountability of responsible individuals.
B.
Preservation of internal and external consistency.
C.
Prevention of the modification of information by unauthorized users.
D.
Prevention of unauthorized or unintentional modification of information by users.
3. Which of the following is a problem with symmetric key encryption?
A.
Is slower than asymmetric key encryption
B.
Work factor is not a function of the key size
C.
Most algorithms are kept proprietary
D.
Secure distribution of the secret key
4. 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.
Carry the flash drive in a portable safe.
B.
Assure management that you will not lose the flash drive.
C.
Encrypt the folder containing the data with a strong key.
D.
Request that management deliver the flash drive by courier.
5. Which of the following would be an indicator of the effectiveness of a computer security incident response team?
A.
Financial impact per security incident.
B.
Percentage of business applications that are being protected.
C.
Number of successful penetration tests.
D.
Number of security vulnerabilities that were patched.
6. 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 has not been modified.
D.
Ensure that the software is the correct revision number.
7. 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 anti-virus software at the cost of $10000 annually.
B.
Migrate to Linux at the cost of $13000 annually.
C.
Set up a thin client environment at the cost of $13000 annually.
D.
Install a firewall at the cost of $20000 annually.
8. The role of the certificate authority (CA) as a third party is to:
A.
Confirm the identity of the entity owning a certificate issued by that CA.
B.
Provide secured communication and networking services based on certificates.
C.
Host a repository of certificates with the corresponding public and secret keys issued by that CA.
D.
Act as a trusted intermediary between two communication partners.
9. Personal identity verification systems which use hand or fingerprint, handwriting, eye pattern, voice, face, or any other physical characteristics for authentication are:
A.
Technological systems.
B.
Physical analysis devices.
C.
Physiometric devices.
D.
Biometric devices.
10. 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.
Virus.
B.
Trapdoor.
C.
Worms.
D.
Trojan.
11. The primary function of a physical protection system is?
A.
Display, develop, initiate and apprehend.
B.
Detection, delay and response.
C.
Determine, direct and dispatch.
D.
Evaluate, dispatch and detain.
12. 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 identity of the receiver can be assured.
D.
The contents of the email cannot be read by others except the receiver.
13. Which of the following protocol is usually used in a site-to-site VPN?
A.
DES
B.
PPP
C.
RSA
D.
IPSec
14. What are the characteristics of the encryption used in PKI? (Choose two)
A.
Symmetric
B.
Reversible
C.
Asymmetric
D.
Non-reversible
15. In order to ensure constant redundancy and fault-tolerance, which of the following type of spare is recommended?
A.
Warm spare.
B.
Cold spare.
C.
Hot spare.
D.
Archives.