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The company security policy led to the installation of a VPN concentrator and a RADIUS server. With only these devices installed, which of the following goals are not possible to achieve?

A. All data must be encrypted. B. All connections must be authenticated. C. Only certain external networks can be the source of a connection. D. All connections must be authorized.

What feature is designed to foil malware, such as computer viruses, Trojan horses, and worms, by preventing programs from using system memory space?

A. Data Execution Prevention B. Protected Memory Blocking C. System Memory Guard D. Data Memory Protection