フリー問題

問題文

Two tenants must run on the same physical host, and a fault in one tenant's kernel must not give it access to the other tenant's memory. Which reusable technology provides the strongest separation for that requirement?

選択肢

1. The requirement points at hypervisor level separation for both tenants.
2. The requirement points at operating system hardening for both tenants.
3. The requirement points at container image isolation for both tenants.
4. The requirement points at application runtime sandboxing for both tenants.