CAS-001 · Question #511
CAS-001 Question #511: Real Exam Question with Answer & Explanation
The correct answer is C: Data remnants remain on the LUN that could be read by other servers.. When a server is decommissioned, its SAN LUNs are typically released back into the pool and can be reallocated to another server. Without wiping, all data previously written to those LUNs remains on the physical media. A future server assigned those LUNs could read the residual d
Question
Options
- ALUN masking will prevent the next server from accessing the LUNs.
- BThe data may be replicated to other sites that are not as secure.
- CData remnants remain on the LUN that could be read by other servers.
- DThe data is not encrypted during transport.
Explanation
When a server is decommissioned, its SAN LUNs are typically released back into the pool and can be reallocated to another server. Without wiping, all data previously written to those LUNs remains on the physical media. A future server assigned those LUNs could read the residual data, creating a serious data leakage risk. LUN masking (A) controls which hosts can see which LUNs, but it is an access control applied at assignment time - it doesn't destroy existing data and can be reconfigured. Data replication (B) is a separate concern unrelated to why the LUN itself must be wiped. Transport encryption (D) is irrelevant to data remnants already sitting on disk.
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