Which of the following are characteristics of virtual systems? (Multiple choice)

Question

Options

• AEach virtual system has independent configuration and routing table entries
• BEach virtual system is managed by an independent administrator
• CTraffic between virtual systems is isolated from each other, making it safer
• DFixed system resources need to be allocated to each virtual system

• A
  75% (41)
• D
  25% (14)

Explanation

Virtual systems (such as those on firewalls or routers) partition a single physical device into multiple isolated logical instances, each operating as if it were an independent device. Options A, B, and C are correct because each virtual system maintains its own routing table and configuration (A), can be delegated to a separate administrator with scoped privileges (B), and enforces traffic isolation between instances, preventing cross-contamination and improving security posture (C).

Option D is incorrect because resource allocation in virtual systems is typically flexible and dynamic, not fixed - one of the key advantages of virtualization is that resources can be shared and scaled based on demand, rather than being rigidly pre-allocated to each instance.

Memory tip: Think of virtual systems like apartments in a building - each tenant (administrator) has their own space (configuration/routing), their own key (independent management), walls between units (traffic isolation), but the building's utilities (resources) are shared dynamically, not carved into fixed chunks per unit.

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