WorksheetsCloud Computing Quiz
Total questions: 50
Worksheet time: 26mins
Distributed computing aims to make many computers behave as:
Individual workstations
A single unified system
Backup servers
Isolated machines
Cluster computing machines are connected by:
Satellite networks
Slow WAN
Fast LAN networks
Bluetooth
HPC is mainly used for:
Browsing
Gaming
Large scientific computations
Chatting
Parallel computing splits tasks into ____ parts.
multiple
single
random
equal
Grid computing uses computers from:
One data center
Different locations globally
A single LAN
One building
A disadvantage of parallel computing is:
Low energy use
Simple programming
Needs skilled programmers
Low hardware cost
Cloud computing means storing data on:
USB
Local machines
Internet-hosted servers
CDs
On-demand self-service means users can:
Request resources anytime without human help
Only use physical servers
Wait for approvals
Shut servers physically
Measured service means:
Unlimited usage
Pay per use billing model
Free services
No monitoring
Broad network access means:
Access from many devices (PC, mobile)
Only desktops
Only servers
Only secure rooms
The cloud ecosystem includes:
Only providers
Providers + users + developers + integrators + third parties
Only users
Only admins
Front-end includes:
Databases
Web browsers & user interfaces
Back-end includes:
Browsers
Phones
Servers, VMs, storage, databases
Apps only
Load balancers task is to:
Slow connection
Distribute requests evenly
Stop users
Store data
Virtualization allows multiple ____ on one machine.
VMs (Virtual Machines)
CPUs (Central Processing Units)
RAMs (Random Access Memories)
NICs (Network Interface Cards)
A disadvantage of virtualization is:
Zero security issues
Performance overhead
Free hardware
No complexity
Cloud network connectivity provides:
High availability
Pay-per-use
Multi-sharing
All of the above
Cloud management includes managing:
Only cloud
Only on-premise
Both cloud and on-premise resources
Only security
'Lift and Shift' is called:
Rehost
Refactor
Repurchase
Retire
Switching to Salesforce CRM is:
Repurchase
Rehost
Refactor
Retain
Refactoring means:
Full rewrite for cloud-native
Minimal changes
Delete app
Move as-is
'Retain' means:
Keep app on-premises
Move to SaaS
Delete app
Lift & shift
First migration step:
Pick provider
Check cloud readiness
Move data
Buy hardware
In a cluster, nodes work as:
Independent systems
One combined system
Isolated machines
Separate apps
Grid computing requires:
Same hardware everywhere
Heterogeneous systems
Only 1 OS
One location
Parallel computing requires:
Shared memory
No communication
Shared screens
No hardware
HPC is used because it reduces:
Science
Time
Network
Memory
Distributed systems can be spread across:
One room
One machine
Multiple geographic locations
One CPU
Cloud is present in:
Local device
Remote servers
BIOS
RAM
Rapid elasticity means:
Slow scaling
Auto scale up/down
Manual scaling only
No scaling
Resource pooling means:
Dedicated hardware per user
Many users share pooled resources
Only one user at a time
Only static memory
A fat client performs:
Heavy local processing
No processing
Web browsing only
Only server processing
A thin client depends on:
Local machine
Cloud server processing
USB
Printer
Virtualization benefit:
Increases flexibility
Requires more hardware
Reduces OS choices
Makes systems slower
Performance overhead happens because:
VM layer adds extra load
No OS
Direct hardware access
No virtualization
CMP uses:
Limited APIs
Extensive APIs
No API
Only manual setup
CMP is used for:
Governance + security + automation
Only storage
Only networking
Only firewall
Application migration moves:
Only UI
Data + code + servers
Only hardware
Only network cables
A hospital requiring security + scalability needs:
Public cloud
Private cloud
Local PC
USB
Replatforming involves:
Small optimizations
Full rewrite
Delete app
No changes
Retire strategy applies to:
Important apps
Useless or outdated apps
New apps
Mandatory apps
Cloud delivery network includes:
Virtual machines
Internet, load balancers, firewalls
Browsers
Printers
'Access anywhere' is part of:
Broad network access
Resource pooling
Refactoring
VM clustering
A virtual machine is a:
Physical resource
Logical/virtual resource
Network device
Hard disk
Cloud hosting helps save:
Electricity only
Money + time + hardware cost
Only RAM
Only SSD
Database migration moves:
Web pages
SQL/Oracle/MySQL systems
BIOS
Graphics
Storage migration moves:
Images, files, backups
Only apps
Only hardware
Only settings
Networking advantage:
Low scalability
High cost
High availability
No sharing
Cloud computing eliminates need for:
Server rooms
Internet
CPU
VM
What does 'Rehost' refer to in cloud migration?
Optimizing applications for cloud
Completely rewriting applications
Deleting applications
Moving applications without changes
