WorksheetsCloud Computing Unit 1 Quiz PE-4
Total questions: 50
Worksheet time: 25mins
What is a core benefit of cloud computing?
Manual provisioning
Heavy infrastructure
Scalability
Local-only access
Which model delivers ready-to-use applications via the internet?
IaaS
SaaS
PaaS
DaaS
Peer-to-peer systems are characterized by what?
Centralized control
Hardware isolation
Decentralization
Uniform latency
Which cloud model allows users to control the OS and software?
SaaS
PaaS
IaaS
FaaS
What entity provides connectivity in the NIST cloud model?
Consumer
Carrier
Broker
Auditor
What is the role of a broker in cloud computing?
Audit resources
Intermediates services
Builds virtual machines
Encrypts data
Which audit checks data collection and usage practices?
Performance Audit
Security Audit
Privacy Impact Audit
Financial Audit
Which deployment model is ideal for sensitive data?
Public Cloud
Hybrid Cloud
Private Cloud
Edge Cloud
What does the service management layer handle?
Cooling systems
Billing & provisioning
Hardware setup
Firewall routing
Which term refers to moving between cloud providers easily?
Interoperability
Abstraction
Virtualization
Portability
What ethical issue arises due to unclear boundaries in cloud systems?
Transparency
Deperimeterization
Integrity
Deduplication
A drawback of vendor lock-in is?
Performance boost
Increased flexibility
Reduced switching
Cost reduction
What challenge occurs when too many systems manage the cloud?
Concurrency
Redundancy
Problem of Many Hands
Broadcast Storm
Which cloud vulnerability involves external threats?
Software bugs
Cyberattacks
Cooling failure
Resource throttling
A software bug in a load balancer may cause?
Quicker failover
Cascading failure
Streamlined routing
Enhanced redundancy
What model is used for delivering apps like Gmail?
SaaS
PaaS
IaaS
DaaS
What kind of cloud shares infrastructure with multiple tenants?
Private
Public
Hybrid
Community
What is a thin client?
A high-performance server
Minimal device accessing cloud
Gateway hardware
Standalone database
Which historical P2P project helped analyze space signals?
Napster
SETI@home
SMTP
ICMP
Which system allows decentralization and peer acting as both client and server?
Client-server
Cloud
P2P
ISP
Which cloud layer hides hardware complexity?
Service Layer
Control Plane
Physical Layer
Resource Abstraction & Control Layer
Which virtualization feature supports running multiple OS?
Dedicated routing
Multithreading
Hypervisors
API chaining
Which physical component ensures online reliability?
Bandwidth shaper
Uninterruptible power supply
Modem
Switch emulator
What is a challenge specific to SaaS?
Resource pooling
On-demand access
Denial-of-service attacks
Manual updates
What architecture executes one instruction per data item?
MIMD
SISD
SIMD
MISD
SIMD architecture excels at?
Email processing
Vector manipulation
Packet routing
OS booting
Which parallel architecture supports redundancy and fault tolerance?
SISD
MIMD
MISD
SIMD
Which parallel model processes large independent chunks?
Fine-grained
Coarse-grained
Multithreaded
Hybrid-grained
What is an example of SPMD?
Multiple cores running different programs
All processors executing same code on different data
Switching threads dynamically
Manual task scheduling
A group of independent computers appearing as one system is called?
Parallel CPU
Distributed System
Load Balancer
GPU Cluster
Middleware feature ensuring consistent access to remote resources is?
Failure transparency
Access transparency
Scaling transparency
Interrupt transparency
What does replication transparency hide?
Memory access speed
Communication protocol
Data redundancy
Processor load
What protocol feature avoids data loss due to buffer overflow?
Error control
Flow control
Congestion control
Bit masking
What clock type assigns event timestamps without global time?
Atomic clock
Wall-clock
Logical clock
UTC clock
What is the rule for logical clock on a receive event?
LC + 2
max(LC, TS+1)
TS + 3
LC = TS
What does FIFO delivery guarantee?
Security audit logs
Ordered message reception
Bandwidth efficiency
Multi-path routing
Which delivery rule ensures message order between multiple senders?
Causal Delivery
Sequential Delivery
Randomized Routing
Synchronous Transfer
A message is stable when?
It's sent securely
No earlier-timestamp message will arrive
It reaches all receivers
It is logged correctly
Concurrency is best described as?
Running same program multiple times
Multiple processes happening at once
Reducing workload
Pausing all threads
What OS feature manages switching between threads?
Kernel Trap
Multithreading controller
Context Switching
Memory Stack Reset
Which is a challenge in concurrency?
Synchronized logging
Race conditions
Stack overflow
Memory fragmentation
What occurs when two processes wait on each other indefinitely?
Deadlock
Timeout
Livelock
Starvation
Which concurrency issue causes constant reaction without progress?
Race condition
Deadlock
Livelock
Pipeline stall
What problem blocks high-priority task by lower-priority resource?
Packet loss
Core saturation
Priority inversion
Interrupt masking
What communication model uses shared memory?
Distributed messaging
Shared memory model
Multicast queue
GPU buffer system
What type of parallelism enables detailed thread interaction?
SPMD
Coarse-grained
Instruction-level
Fine-grained
What does the performance audit validate?
Hardware failure logs
Compliance paperwork
SLA metrics like uptime & latency
User satisfaction survey
Which system supports scaling via transparency?
Static Systems
Legacy Systems
Middleware in distributed systems
Standalone OS
Which parallel model processes different tasks on multiple cores?
Task Parallelism
Data Parallelism
Instruction Parallelism
Thread Caching
What does the resource control layer enforce in cloud?
Social media policies
Usage quotas & QoS rules
VM power limits
Encryption strategy
