Which statement is true regarding the Junos OS?
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A. B. C. D.A
The correct answer is D. All platforms running the Junos OS use a separate process with protected memory space for each routing protocol.
Explanation:
Junos OS is the operating system used on Juniper Networks devices. The Junos OS is a single codebase, which means that all platforms, regardless of their hardware or features, use the same underlying software. This codebase allows Juniper Networks to develop new features and enhancements that can be quickly and easily integrated into all of their devices.
However, option A is not entirely true. Although the Junos OS uses the same codebase, there may be some platform-specific code or features that are not available on all devices.
Option B is incorrect because Juniper Networks devices use different Packet Forwarding Engines (PFEs) depending on the hardware platform. PFE is a specialized chip that performs packet forwarding and other related tasks.
Option C is also incorrect. Junos OS devices can use various storage options, such as hard drives, solid-state drives, or compact flash cards, for syslog data storage.
Option D is correct. The Junos OS uses a modular architecture, where each routing protocol runs in a separate process with a protected memory space. This architecture provides better stability and security by preventing one protocol from affecting the operation of another. This feature is known as the process separation model.
In summary, option D is the correct statement regarding the Junos OS.