DISTRIBUTED SYSTEMS EXAMINATION QUESTIONS AND
CORRECT ANSWER WITH EXPLANATION GRADED A+
STUDY GUIDE SOUTHERN NEW HAMPSHIRE UNIVERSITY
1. A distributed system is:
A. Multiple computers working together as one system
B. Single computer system
C. Hardware device
D. Database only
Answer: A
Rationale: Distributed systems coordinate multiple machines.
2. Key characteristic of distributed systems is:
A. Resource sharing
B. Single memory
C. Single CPU
D. No network
Answer: A
Rationale: Systems share resources over network.
3. Transparency in distributed systems means:
A. System hides complexity from users
B. No security
C. No communication
D. Single OS
Answer: A
Rationale: Users see system as single unit.
4. Types of transparency include:
A. Location, access, replication
B. Hardware, OS, CPU
C. Speed only
D. Storage only
Answer: A
Rationale: Different hidden system details.
5. A distributed system relies on:
A. Network communication
, B. Single memory
C. Single CPU
D. Local files only
Answer: A
Rationale: Nodes communicate via network.
6. Node in distributed system is:
A. Independent computer
B. Software file
C. CPU register
D. Memory block
Answer: A
Rationale: Each machine is a node.
7. Middleware is:
A. Software between applications and OS
B. Hardware component
C. CPU part
D. Network cable
Answer: A
Rationale: Provides communication support.
8. Distributed system goal is:
A. Resource sharing and scalability
B. Single processing
C. Hardware design
D. OS removal
Answer: A
Rationale: Improve performance and sharing.
9. Scalability means:
A. System can grow with load
B. System becomes slower
C. System shuts down
D. System is static
Answer: A
Rationale: Handles increased demand.
10. Fault tolerance is:
A. System continues despite failures
, B. System crashes
C. System stops
D. System deletes data
Answer: A
Rationale: Handles failures gracefully.
11. Replication means:
A. Copying data across nodes
B. Deleting data
C. Encrypting data
D. Compressing data
Answer: A
Rationale: Improves reliability.
12. Consistency means:
A. All nodes see same data
B. Different data everywhere
C. No data sharing
D. Random data
Answer: A
Rationale: Uniform data view.
13. Availability means:
A. System is accessible
B. System is offline
C. System is slow
D. System is deleted
Answer: A
Rationale: System uptime.
14. Partition tolerance means:
A. System works despite network failure
B. System stops
C. System crashes
D. System slows only
Answer: A
Rationale: Handles network splits.
15. CAP theorem includes:
A. Consistency, Availability, Partition tolerance
CORRECT ANSWER WITH EXPLANATION GRADED A+
STUDY GUIDE SOUTHERN NEW HAMPSHIRE UNIVERSITY
1. A distributed system is:
A. Multiple computers working together as one system
B. Single computer system
C. Hardware device
D. Database only
Answer: A
Rationale: Distributed systems coordinate multiple machines.
2. Key characteristic of distributed systems is:
A. Resource sharing
B. Single memory
C. Single CPU
D. No network
Answer: A
Rationale: Systems share resources over network.
3. Transparency in distributed systems means:
A. System hides complexity from users
B. No security
C. No communication
D. Single OS
Answer: A
Rationale: Users see system as single unit.
4. Types of transparency include:
A. Location, access, replication
B. Hardware, OS, CPU
C. Speed only
D. Storage only
Answer: A
Rationale: Different hidden system details.
5. A distributed system relies on:
A. Network communication
, B. Single memory
C. Single CPU
D. Local files only
Answer: A
Rationale: Nodes communicate via network.
6. Node in distributed system is:
A. Independent computer
B. Software file
C. CPU register
D. Memory block
Answer: A
Rationale: Each machine is a node.
7. Middleware is:
A. Software between applications and OS
B. Hardware component
C. CPU part
D. Network cable
Answer: A
Rationale: Provides communication support.
8. Distributed system goal is:
A. Resource sharing and scalability
B. Single processing
C. Hardware design
D. OS removal
Answer: A
Rationale: Improve performance and sharing.
9. Scalability means:
A. System can grow with load
B. System becomes slower
C. System shuts down
D. System is static
Answer: A
Rationale: Handles increased demand.
10. Fault tolerance is:
A. System continues despite failures
, B. System crashes
C. System stops
D. System deletes data
Answer: A
Rationale: Handles failures gracefully.
11. Replication means:
A. Copying data across nodes
B. Deleting data
C. Encrypting data
D. Compressing data
Answer: A
Rationale: Improves reliability.
12. Consistency means:
A. All nodes see same data
B. Different data everywhere
C. No data sharing
D. Random data
Answer: A
Rationale: Uniform data view.
13. Availability means:
A. System is accessible
B. System is offline
C. System is slow
D. System is deleted
Answer: A
Rationale: System uptime.
14. Partition tolerance means:
A. System works despite network failure
B. System stops
C. System crashes
D. System slows only
Answer: A
Rationale: Handles network splits.
15. CAP theorem includes:
A. Consistency, Availability, Partition tolerance
