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CV0-004 Practice Question: A cloud administrator is planning a migration of…
A cloud administrator is planning a migration of on-premises workloads to a public cloud. Which THREE factors should the administrator consider to ensure minimal downtime? (Choose three.)
⚠ Common exam trap
CompTIA Cloud+ often tests the distinction between factors that directly affect downtime duration (bandwidth, transfer window, compatibility) versus operational or cost-related factors (compression, cost) that do not inherently minimize downtime.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Application compatibility
Application compatibility (A) is correct because the administrator must verify that each on-premises workload can run in the target public cloud environment (OS versions, hypervisor/instance types, dependencies, and licensing) so that cutover does not stall on unsupported software and cause extended downtime. Network bandwidth (C) is correct because the available throughput between the on-premises site and the cloud directly determines how quickly data can be replicated or transferred; insufficient bandwidth stretches the migration window and forces longer outages unless offline seeding or continuous replication is used. Transfer time window (D) is correct because the administrator must schedule the bulk data movement and final cutover within an acceptable maintenance period, accounting for replication lag and delta synchronization, to keep the actual service interruption as short as possible. Data compression (B) and cost of data transfer (E) are not among the required factors: compression can reduce payload size and egress/ingress charges can affect budget, but neither is a primary determinant of achieving minimal downtime in the migration plan.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Application compatibility
Why this is correct
Application compatibility determines whether workloads can run unchanged in the public cloud or need refactoring, which directly affects migration sequencing and cutover duration. Incompatible applications force remediation or re-platforming work, extending the migration window and increasing downtime risk.
- ✗
Data compression
Why it's wrong here
Compression reduces bytes moved, but the stem asks for downtime factors; it does not by itself shorten the cutover window. It is tempting because compressing datasets genuinely accelerates large transfers, and it would be correct where bandwidth is the bottleneck rather than availability during migration.
- ✓
Network bandwidth
Why this is correct
Network bandwidth directly governs how quickly data transfers to the public cloud, so insufficient throughput extends the migration window and increases cutover downtime. Sizing available bandwidth against the total data volume and acceptable transfer time satisfies the stem's minimal-downtime constraint, since throttled links force prolonged synchronisation before workloads can be switched over.
- ✓
Transfer time window
Why this is correct
The transfer time window defines when data can be moved, often constrained by business hours or provider limits. A narrow window forces incremental or staged transfers, and any overrun pushes the cutover later, directly extending downtime.
- ✗
Cost of data transfer
Why it's wrong here
Transfer cost affects budget, not outage duration; it does not shorten cutover or replication time. It is tempting because data egress charges are a genuine migration planning concern, and it would be correct where the requirement is minimising spend rather than downtime.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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