A TCP/IP-based environment is exposed to the Internet. Which
of the following BEST ensures that complete encryption and
authentication protocols exist for protecting information
while transmitted?
A. Work is completed in tunnel mode with IP security using
the nested services of authentication header (AH) and
encapsulating security payload (ESP).
B. A digital signature with RSA has been implemented.
C. Digital certificates with RSA are being used.
D. Work is being completed in.TCP services.
Answer / guest
Answer: A
Tunnel mode with IP security provides encryption and
authentication of the complete IP package. To accomplish
this, the AH (authentication header) and ESP (encapsulating
security payload) services can be nested? Choices B and C
provide authentication and integrity. TCP services do not
provide encryption and authentication.
| Is This Answer Correct ? | 7 Yes | 0 No |
The feature of a digital signature that ensures the sender cannot later deny generating and sending the message is: A. data integrity. B. authentication. C. nonrepudiation. D. replay protection.
Which of the following represents the GREATEST risk created by a reciprocal agreement for disaster recovery made between two companies? A. Developments may result in hardware and software incompatibility. B. Resources may not be available when needed. C. The recovery plan cannot be tested. D. The security infrastructures in each company may be different.
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To prevent unauthorized entry to the data maintained in a dial-up fast response system, an IS auditor should recommend: A. online terminals be placed in restricted areas. B. online terminals be equipped with key locks. C. ID cards be required to gain access to online terminals. D. online access be terminated after three unsuccessful attempts.
An IS auditor, in evaluating proposed biometric control devices reviews the false rejection rates (FRRs), false acceptance rates (FARs) and equal error rates (ERRs) of three different devices. The IS auditor should recommend acquiring the device having the: A. least ERR. B. most ERR. C. least FRR but most FAR. D. least FAR but most FRR.
Which of the following situations would increase the likelihood of fraud? A. Application programmers are implementing changes to production programs. B. Application programmers are implementing changes to test programs. C. Operations support staff are implementing changes to batch schedules. D. Database administrators are implementing changes to data structures.
A primary reason for an IS auditor's involvement in the development of a new application system is to ensure that: A. adequate controls are built into the system. B. user requirements are satisfied by the system. C. sufficient hardware is available to process the system. D. data are being developed for pre-implementation testing of the system.
Which of the following data entry controls provides the GREATEST assurance that the data is entered correctly? A. Using key verification B. Segregating the data entry function from data entry verification C. Maintaining a log/record detailing the time, date, employee's initials/user id and progress of various data preparation and verification tasks D. Adding check digits
Which of the following Internet security threats could compromise integrity? A. Theft of data from the client B. Exposure of network configuration information C. A trojan horse browser D. Eavesdropping on the net
A company disposing of personal computers that once were used to store confidential data should first: A. demagnetize the hard disk. B. low-level format the hard disk. C. delete all data contained on the hard disk. D. defragment the data contained on the hard disk.