Frame relay uses a public switched network to provide Wide Area Network (WAN) connectivity.
Source: KRUTZ, Ronald L. & VINES, Russel D., The CISSP Prep Guide: Mastering the
Ten Domains of Computer Security, 2001, John Wiley & Sons, Page 73.

Section: Software Development Security

Explanation/Reference:
Explanation:
The system architecture aspect of security architecture includes the following:
CPU - Central Processing Unit

Storage devices - includes both long and short-term storage, such as memory and disk

Peripherals - includes both input and output devices, such as keyboards and printer

The components and devices connect to the motherboard. However, the motherboard is not considered a basic component of security architecture.
Incorrect Answers:
B: The Central Processing Unit (CPU) is a basic component of security architecture.
C: Storage Devices are a basic component of security architecture.
D: Peripherals (input/output devices) are a basic component of security architecture.

The correct answer is "They are statements that indicate a senior management's intention to support InfoSec". High-level policies are senior management statements of recognition of the importance of InfoSec controls.