The technique used to ensure security in virtual private
networks (VPNs) is:
A. encapsulation.
B. wrapping.
C. transform.
D. encryption.
Answer / guest
Answer: A
Encapsulation or tunneling is a technique used to carry the
traffic of one protocol over a network that does not support
that protocol directly. The original packet is wrapped in
another packet. The other choices are not security technique
specific for VPNs.
| Is This Answer Correct ? | 7 Yes | 3 No |
Sign-on procedures include the creation of a unique user ID and password. However, an IS auditor discovers that in many cases the user name and password are the same. The BEST control to mitigate this risk is to: A. change the company's security policy. B. educate users about the risk of weak passwords. C. build in validations to prevent this during user creation and password change. D. require a periodic review of matching user ID and passwords for detection and correction.
Which of the following access control functions is LEAST likely to be performed by a database management system (DBMS) software package? A. User access to field data B. User sign-on at the network level C. User authentication at the program level D. User authentication at the transaction level
A large chain of shops with EFT at point-of-sale devices has a central communications processor for connecting to the banking network. Which of the following is the BEST disaster recovery plan for the communications processor? A. Offsite storage of daily backups B. Alternative standby processor onsite C. Installation of duplex communication links D. Alternative standby processor at another network node
A company has implemented a new client-server enterprise resource planning (ERP) system. Local branches transmit customer orders to a central manufacturing facility. Which of the following would BEST ensure that the orders are entered accurately and the corresponding products are produced? A. Verifying production to customer orders B. Logging all customer orders in the ERP system C. Using hash totals in the order transmitting process D. Approving (production supervisor) orders prior to production
Authentication is the process by which the: A. system verifies that the user is entitled to input the transaction requested. B. system verifies the identity of the user. C. user identifies himself to the system. D. user indicates to the system that the transaction was processed correctly.
Which of the following is a network architecture configuration that links each station directly to a main hub? A. Bus B. Ring C. Star D. Completed connected
Which of the following is an advantage of an integrated test facility (ITF)? A. It uses actual master files or dummies and the IS auditor does not have to review the source of the transaction. B. Periodic testing does not require separate test processes. C. It validates application systems and tests the ongoing operation of the system. D. It eliminates the need to prepare test data.
When a PC that has been used for the storage of confidential data is sold on the open market the: A. hard disk should be demagnetized. B. hard disk should be mid-level formatted.s C. data on the hard disk should be deleted. D. data on the hard disk should be defragmented.
During an audit, an IS auditor learns that lengthy and complex passwords are required to reach the network via modem. These passwords were established by an outside provider. The communications software allows users to select a ?remember password? option. What should the IS auditor's PRIMARY recommendation be? A. Disable the save password option and have users record them elsewhere. B. Request that the provider change the dial-in password to a group password. C. Establish and enforce a process to have users change their passwords. D. Allow users to change their passwords to something less complex.
The act that describes a computer intruder capturing a stream of data packets and inserting these packets into the network as if it were another genuine message stream is called: A. eavesdropping. B. message modification. C. a brute-force attack. D. packet replay.
Which of the following processes is the FIRST step in developing a business continuity and disaster recovery plan for an organization? A. Alternate site selection B. Business impact analysis C. Test procedures and frequency D. Information classification
Which of the following is the most important element in the design of a data warehouse? A. Quality of the metadata B. Speed of the transactions C. Volatility of the data D. Vulnerability of the system