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Which of the following would allow a company to extend it?s
enterprise?s intranet across the Internet to it?s business
partners?
A. Virtual private network
B. Client-Server
C. Dial-Up access
D. Network service provider
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Answer: A
VPN technology allows external partners to securely
participate in the extranet using public networks as a
transport or shared private network. Because of low cost,
using public networks (Internet) as a transport is the
principal method. VPNs rely on tunneling/encapsulation
techniques, which allow the Internet protocol (IP) to carry
a variety of different protocols (e.g., SNA, IPX, NETBEUI.)
Client-server does not address extending the network to
business partners (I.e., client-servers refers to a group of
computers within an organization connected by a
communications network where the client is the request
machine and the server is the supplying machine.) A network
service provider may provide services to a shared private
network by providing Internet services, but it does not
extended an organization?s intranet.
| Is This Answer Correct ? | 5 Yes | 0 No |
An organization wants to enforce data integrity principles and achieve faster performance/execution in a database application. Which of the following design principles should be applied? A. User (customized) triggers B. Data validation at the front end C. Data validation at the back end D. Referential integrity
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To review access to ceratin data base to determine whether the "new user" forms were correctly authorized. This is an example of:
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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
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