Page 1 of 142
Microsoft Certified Azure Fundamentals
Exam (Az-900) Actual Exam Complete
Accurate Exam Questions With Detailed
Verified Answers ||Complete A+ Guide
Q1. What is the primary benefit of cloud computing?
A. Fixed monthly costs
B. On-demand self-service and pay-as-you-go
C. Full control over physical hardware
D. No need for internet connectivity
Answer: B
Rationale: Cloud computing provides on-demand access with
pay-as-you-go pricing, avoiding upfront hardware costs.
Q2. Which cloud characteristic allows resources to be
provisioned and released without human interaction?
,Page 2 of 142
A. Broad network access
B. Resource pooling
C. Rapid elasticity
D. On-demand self-service
Answer: D
Rationale: On-demand self-service lets users automatically
provision resources via API or portal.
Q3. (Scenario) A startup needs to scale its web application
globally. Costs must stay variable. Which cloud model is best?
A. On-premises
B. Public cloud
C. Private cloud
D. Hybrid cloud
Answer: B
Rationale: Public cloud offers variable costs, global scale, and
no upfront investment.
,Page 3 of 142
Q4. Which benefit of cloud computing describes the ability to
increase or decrease resources quickly?
A. High availability
B. Scalability
C. Disaster recovery
D. Geo-distribution
Answer: B
Rationale: Scalability adjusts resources up or down based on
demand.
Q5. What is the difference between vertical scaling and
horizontal scaling?
A. Vertical = add more servers; Horizontal = add more
CPU/RAM
B. Vertical = increase capacity of existing server; Horizontal =
add more servers
C. Vertical = remove servers; Horizontal = add storage
D. They are the same
Answer: B
, Page 4 of 142
Rationale: Vertical scaling (scale up/down) changes power of
one server. Horizontal scaling (scale out/in) adds/removes
servers.
Q6. (True/False) In cloud computing, capital expenditure
(CapEx) is converted to operational expenditure (OpEx).
Answer: True
Rationale: Instead of buying hardware (CapEx), you pay for
resources as you use them (OpEx).
Q7. Which cloud benefit ensures your application continues
operating even if a datacenter fails?
A. Fault tolerance
B. Elasticity
C. Agility
D. Low latency
Answer: A
Rationale: Fault tolerance means system continues despite
component failures.
Microsoft Certified Azure Fundamentals
Exam (Az-900) Actual Exam Complete
Accurate Exam Questions With Detailed
Verified Answers ||Complete A+ Guide
Q1. What is the primary benefit of cloud computing?
A. Fixed monthly costs
B. On-demand self-service and pay-as-you-go
C. Full control over physical hardware
D. No need for internet connectivity
Answer: B
Rationale: Cloud computing provides on-demand access with
pay-as-you-go pricing, avoiding upfront hardware costs.
Q2. Which cloud characteristic allows resources to be
provisioned and released without human interaction?
,Page 2 of 142
A. Broad network access
B. Resource pooling
C. Rapid elasticity
D. On-demand self-service
Answer: D
Rationale: On-demand self-service lets users automatically
provision resources via API or portal.
Q3. (Scenario) A startup needs to scale its web application
globally. Costs must stay variable. Which cloud model is best?
A. On-premises
B. Public cloud
C. Private cloud
D. Hybrid cloud
Answer: B
Rationale: Public cloud offers variable costs, global scale, and
no upfront investment.
,Page 3 of 142
Q4. Which benefit of cloud computing describes the ability to
increase or decrease resources quickly?
A. High availability
B. Scalability
C. Disaster recovery
D. Geo-distribution
Answer: B
Rationale: Scalability adjusts resources up or down based on
demand.
Q5. What is the difference between vertical scaling and
horizontal scaling?
A. Vertical = add more servers; Horizontal = add more
CPU/RAM
B. Vertical = increase capacity of existing server; Horizontal =
add more servers
C. Vertical = remove servers; Horizontal = add storage
D. They are the same
Answer: B
, Page 4 of 142
Rationale: Vertical scaling (scale up/down) changes power of
one server. Horizontal scaling (scale out/in) adds/removes
servers.
Q6. (True/False) In cloud computing, capital expenditure
(CapEx) is converted to operational expenditure (OpEx).
Answer: True
Rationale: Instead of buying hardware (CapEx), you pay for
resources as you use them (OpEx).
Q7. Which cloud benefit ensures your application continues
operating even if a datacenter fails?
A. Fault tolerance
B. Elasticity
C. Agility
D. Low latency
Answer: A
Rationale: Fault tolerance means system continues despite
component failures.
