Lesson 5 — Core Concepts

MCQ 1: NOT a cloud characteristic?

On-demand self-service Broad network access Fixed resource allocation Measured service

MCQ 2: Major cloud challenge?

Too many servers Data confidentiality Excessive bandwidth Simple interfaces

MCQ 3: Elastic computing means:

Fixed capacity services Dynamic on-demand resources Multi-continent stretch Compressed storage

MCQ 4: OPEX means:

One-time hardware buy Pay-per-use model Upfront software licenses Build private data center

MCQ 5: IaC means:

Manual configuration panels Code not manual config Encryption standard New delivery model

MCQ 6: Multiplexing advantage?

Increased hardware costs Peaks synchronized Higher utilization; peaks not synced Reduced security

T/F: Elastic computing means fixed capacity upfront.

T/F: Vendor lock-in is a cloud challenge.

Fill: IaC = Infrastructure as

Fill: Upfront capital spending:

Essay: Cloud computing challenges.

Key challenges: (1) availability when provider fails, (2) data confidentiality & auditability, (3) vendor lock-in, (4) data transfer bottleneck, (5) performance unpredictability from sharing, (6) resource management complexity, (7) security for sensitive apps.

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Lesson 5: Core Cloud Concepts

Practice (14 questions)