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WorksheetsCloud Computing Quiz
Total questions: 100
Worksheet time: 50mins
What factor determines the effectiveness of the workload distribution architecture?
The number of cloud service consumers.
The sophistication of load balancing algorithms and runtime logic.
The type of virtual servers used.
The amount of elastic resource capacity available.
Which of the following is NOT a foundational cloud architectural model mentioned in the text?
Cloud Bursting
Elastic Disk Provisioning
Virtual Machine Clustering
Service Load Balancing
What is the primary function of a load balancer in a cloud architecture?
To store data securely in virtual servers
To intercept consumer requests and distribute workloads evenly
To replicate IT resources for backup purposes
To monitor runtime workloads for legal compliance
Which mechanism isolates cloud consumer network boundaries in relation to workload distribution?
Audit Monitor
Logical Network Perimeter
Resource Cluster
Hypervisor
What is the purpose of a resource pooling architecture?
To distribute workloads between virtual servers
To group identical IT resources and ensure synchronization
To monitor runtime workloads for legal compliance
To replicate IT resources for backup purposes
Which mechanism generates new instances of virtualized IT resources in response to runtime workload distribution demands?
Resource Replication
Audit Monitor
Cloud Usage Monitor
Hypervisor
What is the role of the Audit Monitor in a cloud architecture?
To replicate IT resources for workload distribution
To determine the geographical location of IT resources for legal compliance
To group identical IT resources for synchronization
To isolate cloud consumer network boundaries
Which of the following is an example of a virtual server pool configuration?
A pool of mid-tier Windows servers with 4 GB of RAM
A pool of physical network switches for link aggregation
A file-based storage structure containing cloud storage devices
A networked server with operating systems ready for immediate use
What is the purpose of network pools?
To create redundant connectivity, load balancing, or link aggregation
To store empty or filled cloud storage devices
To configure virtual servers using templates
To provide networked servers ready for immediate use
Which type of pool is composed of preconfigured network connectivity devices?
Network pools
Storage pools
Virtual server pools
Physical server pools
In the nested pool model, how are larger pools divided?
By spreading resources across multiple data centers.
By grouping the same type of IT resources together.
By allocating resources randomly to different departments.
By merging different types of IT resources into one pool.
Why are sibling pools isolated from one another in cloud computing?
To ensure each cloud consumer has exclusive access to its respective pool.
To allow sharing of resources between cloud consumers.
To spread resources across multiple data centers.
To merge resources for better utilization.
What is the role of the Cloud Usage Monitor in cloud architecture?
To monitor compliance with privacy regulations.
To track runtime synchronization and management of pooled IT resources.
To manage virtual server configurations.
To allocate memory resources dynamically.
Which mechanism is responsible for providing virtual servers with access to resource pools and sometimes hosting the resource pools themselves?
Logical Network Perimeter
Pay-Per-Use Monitor
Hypervisor
Resource Replication
What is the primary function of the Logical Network Perimeter mechanism?
To monitor usage and billing information
To logically organize and isolate resource pools
To generate new instances of IT resources
To provide resource pool administration features
Which mechanism collects usage and billing information on how individual cloud consumers are allocated and use IT resources?
Pay-Per-Use Monitor
Resource Management System
Remote Administration System
Resource Replication
What is the main purpose of the dynamic scalability architecture?
To provide manual interaction for resource allocation
To trigger dynamic allocation of IT resources based on predefined scaling conditions
To host virtual servers and resource pools
To monitor billing information for cloud consumers
What happens during Dynamic Vertical Scaling?
IT resources are relocated to a host with more capacity
IT resource instances are scaled out and in to handle fluctuating workloads
IT resource instances are scaled up and down to adjust the processing capacity of a single IT resource
IT resources are logically organized and isolated
What is an example of Dynamic Relocation?
Scaling IT resources up and down to adjust processing capacity
Relocating a database from a tape-based SAN storage device to a disk-based SAN storage device with higher I/O capacity
Monitoring requests to initiate IT resource duplication
Collecting usage and billing information for cloud consumers
What happens when the number of requests from cloud service consumers exceeds the performance thresholds?
The automated scaling listener shuts down the cloud service.
The automated scaling listener determines the next steps to handle the overload.
The cloud service instances automatically reject incoming requests.
The virtual server host increases its capacity without intervention.
Which mechanism is engaged to collect cost information in response to scaling IT resources in dynamic scalability architecture?
Cloud Usage Monitor
Hypervisor
Pay-Per-Use Monitor
Automated Scaling Listener
What is the role of the cloud usage monitor in dynamic scalability architecture?
To send signals to the resource replication mechanism.
To track runtime usage fluctuations caused by dynamic scalability.
To allocate and reclaim CPUs and RAM.
To create or remove virtual server instances.
What is the role of the hypervisor in the cloud service architecture?
To execute scripts for scaling resources.
To allocate additional CPU and RAM to virtual servers.
To act as a load balancer for distributing workloads.
To manage cloud service consumer requests.
What is the purpose of the service load balancing architecture in cloud systems?
To allocate additional CPU and RAM to virtual servers.
To dynamically distribute workloads across redundant cloud service implementations.
To signal the intelligent automation engine to execute scripts.
To manage the resource pool with memory and CPU sub-pools.
What does the elastic disk provisioning architecture ensure for cloud consumers?
Cloud consumers are billed for the total allocated storage space regardless of usage.
Cloud consumers are billed for the exact amount of storage they actually use.
Cloud consumers are billed based on the number of virtual servers they provision.
Cloud consumers are billed for the maximum storage capacity of the cloud provider.
What is the purpose of Resource Replication in cloud storage architecture?
To track and log storage usage fluctuations.
To manage failures caused by network connectivity issues.
To convert dynamic thin-disk storage into static thick-disk storage.
To represent a logical drive partition.
What happens when the primary cloud storage device fails in a redundant storage architecture?
The storage service gateway diverts cloud consumer requests to the secondary device.
The primary device automatically repairs itself.
The data is permanently lost.
The secondary device stops synchronizing with the primary device.
What is serialization, and why is it important in the context of data destruction?
The process of turning paper documents into a liquid
Providing a certificate list of serial numbers for all items destroyed
Changing the polarity of particles inside a hard drive
Overwriting data with 1s and 0s
Which method of data destruction involves turning paper documents into a liquid?
Pulverizing
Degaussing
Burning
Overwriting
What does degaussing do to a storage device, making it unusable for further data storage?
Changes the polarity of particles inside a hard drive
Overwrites data with 1s and 0s
Pulps paper documents
Pulverizes the storage medium
What is the purpose of using the pulping method for data destruction?
To change the polarity of particles inside a hard drive
To turn paper documents into a liquid
To overwrite all data with 1s and 0s
To make data unreadable by using a physical connection
When is the "overwrite" method of data destruction commonly used, and how does it work?
It is used for devices being discarded, and it involves changing the polarity of particles inside a hard drive
It is used for storage mediums being reused within the same company, and it consists of overwriting all data with 1s and 0s
It is used for paper documents, and it involves turning them into a liquid
It is used for commercial burning of sensitive data
What is the primary characteristic of Infrastructure as a Service (IaaS)?
Access to software applications
Provisioning of IT resources
Multi-tier web application/database platform
Virtual desktop infrastructure (VDI)
In Software as a Service (SaaS), how is software typically accessed by businesses?
By purchasing software licenses
By deploying and maintaining client PCs
Through a pay-as-you-go or lease arrangement
By renting IT resources on an as-needed basis
What does Platform as a Service (PaaS) provide in addition to Infrastructure as a Service (IaaS)?
Access to virtual desktop infrastructure
Multi-tier web application/database platform
Provisioning of IT resources
Leasing software applications
Which cloud service model eliminates the need for organizations to deploy and maintain client PCs and software installs?
Software as a Service (SaaS)
Platform as a Service (PaaS)
Desktop as a Service (DaaS)
Infrastructure as a Service (IaaS)
What is the primary purpose of Desktop as a Service (DaaS)?
Provisioning virtual desktop infrastructure (VDI)
Configuring multi-tier web applications
Providing access to software licenses
Renting IT resources on an as-needed basis
Cloud architecture patterns are only applicable to private cloud environments.
True
False
What is the primary benefit of the Horizontally Scaling Compute Pattern?
Better security
Cost optimization, scalability, and high availability
Simplified development
Faster response times
The Queue-Centric Workflow Pattern is useful for increasing elasticity and decoupling application components.
True
False
Which of the following patterns decouples application tiers, such as the web and service tier?
Auto-scaling Pattern
Queue-Centric Workflow Pattern
MapReduce Pattern
Eventual Consistency Pattern
The Node Failure Pattern prepares applications to handle node failures, which are uncommon in the cloud.
True
False
What does the Auto-Scaling Pattern aim to optimize?
Network latency
MapReduce operations
Cost and resource allocation
Database performance
Eventual consistency is a compromise that improves scalability in distributed databases.
True
False
What compensation is suggested by the CAP Theorem in a distributed database?
Consistency and scalability
Scalability and cost
Availability and latency
Consistency and availability
The Network Latency Pattern focuses only on reducing the perceived latency for the user.
True
False
Which pattern helps in processing large amounts of data by distributing it across nodes?
MapReduce Pattern
Busy Signal Pattern
Database Sharding Pattern
Node Failure Pattern
Which service enables risk auditing by continuously monitoring and logging account activity, including user actions in the AWS Management Console and AWS SDKs?
Amazon CloudWatch
AWS CloudTrail
AWS Config
AWS Health
Which of the following are characteristics of Amazon S3? (Choose two.)
A global file system
An object store
A local file store
A network file system
A durable storage system
Which services can be used across hybrid AWS Cloud architectures? (Choose two.)
Amazon Route 53
Virtual Private Gateway
Classic Load Balancer
Auto Scaling
Amazon CloudWatch default metrics
What costs are included when comparing AWS Total Cost of Ownership (TCO) with on-premises TCO?
Project management
Antivirus software licensing
Data center security
Software development
A company is considering using AWS for a self-hosted database that requires a nightly shutdown for maintenance and cost-saving purposes. Which service should the company use?
Amazon Redshift
Amazon DynamoDB
Amazon Elastic Compute Cloud (Amazon EC2) with Amazon EC2 instance store
Amazon EC2 with Amazon Elastic Block Store (Amazon EBS)
Which of the following is a correct relationship between regions, Availability Zones, and edge locations?
Data centers contain regions.
Regions contain Availability Zones.
Availability Zones contain edge locations
Edge locations contain regions.
Which AWS tools assist with estimating costs? (Choose three.)
Detailed billing report
Cost allocation tags
AWS Simple Monthly Calculator
AWS Total Cost of Ownership (TCO) Calculator
Cost Estimator
Which of the following are advantages of AWS consolidated billing? (Choose two.)
The ability to receive one bill for multiple accounts
Service limits increasing by default in all accounts
A fixed discount on the monthly bill
Potential volume discounts, as usage in all accounts is combined
The automatic extension of the master account’s AWS support plan to all accounts
Which of the following Reserved Instance (RI) pricing models provides the highest average savings compared to On-Demand pricing?
One-year, No Upfront, Standard RI pricing
One-year, All Upfront, Convertible RI pricing
Three-year, All Upfront, Standard RI pricing
Three-year, No Upfront, Convertible RI pricing
Compared with costs in traditional and virtualized data centers, AWS has:
greater variable costs and greater upfront costs
fixed usage costs and lower upfront costs.
lower variable costs and greater upfront costs.
lower variable costs and lower upfront costs
What are the main components of the global AWS infrastructure?
Edge locations, Regions, Availability Zones
Subnet, VPN, NAT Gateway
Data center, router, firewall
Bucket, object, gateway
What is a "Region" in the AWS infrastructure?
A group of physical servers
A geographic area containing multiple data centers
A single AWS data center
A content delivery network
What does the acronym "EC2" mean in AWS?
Elastic Container Service
Elastic Compute Cloud
Elastic Container Compute
Elastic Compute Container
Which AWS service is used to manage user authentication and authorization?
S3
EC2
IAM
VPC
What does the acronym "VPC" mean in AWS?
Virtual Private Cloud
Virtualized Protocol Connection
Virtual Public Cloud
Virtualized Private Connection
What does the acronym "S3" mean in AWS?
Simple Storage Service
Secure Storage System
Scalable Storage Solution
Storage Sync Service
When is it advisable to use S3 Glacier instead of Amazon S3 Standard Class?
When instant access to stored data is required
When long-term storage with infrequent access is needed
When high-performance storage is required
When free storage is desired
What is the main purpose of a security group in Amazon VPC?
Determine the available bandwidth for a subnet
Control inbound and outbound network traffic
Manage routing rules
Establish security rules for S3 buckets
What is the main advantage of using Amazon EBS (Elastic Block Store) over Amazon S3?
Amazon EBS offers block storage, while Amazon S3 offers object storage
Amazon EBS is optimized for storing large volumes of data, while Amazon S3 is better suited for storing small files
Amazon EBS offers lower latency and higher data persistence compared to Amazon S3
Amazon EBS is free, while Amazon S3 has associated costs for its use
What is the secret to becoming an AWS expert?
Drink coffee non-stop until you understand all the acronym
Launch EC2 instances until you become as "Elastic" as they are
Learn to decipher all error messages
All of the above choices
In which layer does IPsec work?
Data link layer
Network layer
Transport layer
Presentation layer
Point out the wrong statement.
Abstraction enables the key benefit of cloud computing: shared, ubiquitous access
Virtualization assigns a logical name for a physical resource and then provides a pointer to that physical resource when a request is made
All cloud computing applications combine their resources into pools that can be assigned on demand to users
All of the mentioned
Application frameworks provide a means for creating ________ hosted applications using IDE
PaaS
SaaS
CaaS
All of the mentioned
Which of the following cloud concept is related to pooling and sharing of resources?
Polymorphism
Abstraction
Virtualization
None of the mentioned
Which of the following is application and infrastructure management software for hybrid multi-clouds?
VMware Hyperic
Webmetrics
Univa UD
Tapinsystems
The technology used to distribute service requests to resources is referred to as _____________
load performing
load scheduling
load balancing
all of the mentioned
Messages whose ‘send’ is done but ‘receive’ is undone due to rollback are called__________
In-transit messages
Lost messages
Orphan messages
Duplicate messages
The ____________________may arise when a process rolls back to its checkpoint after a failure and requests all the other affected processes also to roll back
Rollback
Phantom Effect
Domino Effect
Livelock problem
_____________________where a VM can be moved from one physical machine to another even as it continues to execute.
Load Balancing
Migration
Live Migration
Server consolidation
_____________________ method is completely OS and application agnostic __________________________method access to OS stats and application logs
Black-box, Gray-Box
Gray-Box, Black-box
Black-box, White-Box
Gray-box, White-Box
What is the parallel efficiency(Eff) of an algorithm? Where a task takes time T in uniprocessor system, P is number of processors, M is time taken by each processor.
Eff = (T*P)/M
Eff = T*(M/P)
Eff = T/(P*M)
Eff = T*P*M
Independent server clusters share storage through high-speed network storage in -
Shared memory architecture
Shared nothing architecture
Shared disk architecture
None of the above
Which of the following OpenStack component is used for networking services?
Swift
Neutron
Cinder
Keystone
In a Classical Algorithm of Ring Election, what will be the message complexity for N labelled processes ?
(N-1) messages
(2N-1) messages
(3N-1) messages
(4N-1) messages
Which is responsible for the operation of a collection of computers that are c connected via high speed local area networks?
Computer Manager
Cloud Manager
Cluster Manager
None of these
________ ensures the ability to exchange/ obtain the information to be consumed
Data Level Interoperability
Service Level Interoperability
Security Level Interoperability
Machine Level Interoperability
The inter process communication between different nodes in Hadoop uses
REST API
RPC
RMI
IP Exchange
OpenStack provides
SaaS
PaaS
IaaS
All the above
Consider the following statements: Statement 1: When two processes are competing with each other causing data corruption, it is called deadlock. Statement 2: When two processes are waiting for each other directly or indirectly, it is called race condition.
Only statement 1 is true
Only statement 2 is true
Both statements are true
Both statements are false
Which is not a challenge of a Multi-Tenant Data Center:
Agility
Location independent addressing
Performance uniformity
Scalability
1. Which of the following type of virtualization is also characteristic of cloud computing?
a) Storage
b) Application
c) CPU
d) All of the mentioned
2. What type of computing technology refers to services and applications that typically run on a distributed network through virtualized resources?
a) Distributed Computing
b) Cloud Computing
c) Soft Computing
d) Parallel Computing
3. Cloud computing is a kind of abstraction which is based on the notion of combining physical resources and represents them as _______resources to users.
a) Real
b) Cloud
c) Virtual
d) None
4. Which of the following has many features of that is now known as cloud computing?
a) Web Service
b) Software
c)Hardware
d) Internet
5. Which one of the following is Cloud Platform by Amazon?
a) Azure
b) AWS
c)Cloudera
d) Internet
6. Which one of the following refers to the non-functional requirements like disaster recovery, security, reliability, etc.
a) Service Development
b) Quality of service
c) Plan Development
d) Technical Service.
7. Which of the model involves the special types of services that users can access on a Cloud Computing platform?
a) Service
b) Planning
c) Deployment
d) Application
8. In how many parts we can broadly divide the architecture of the Cloud8
a) 5
b) 3
c) 2
d) 4
9. Which one of the following can be considered as the example of the Front-end?
a) Web Browser
b) Google Compute Engine
c) Cisco Metapod
d) Amazon Web Services
10. How many types of services are there those are offered by the Cloud Computing to the users?
a) 2
b) 4
c)3
d) 6
What is the primary function of a cloud service broker in cloud computing?
To provide a single point of access to multiple cloud services.
To manage the physical hardware of cloud data centers.
To allocate storage resources dynamically.
To monitor network traffic for security compliance.
How does the concept of multi-tenancy benefit cloud service providers?
By allowing multiple customers to share the same infrastructure while maintaining data isolation.
By increasing the physical security of data centers.
By enabling dedicated resources for each customer.
By simplifying the billing process for individual users.
What is the significance of API gateways in cloud architecture?
To provide a unified interface for accessing microservices.
To replicate data across multiple cloud regions.
To manage the physical servers in a cloud environment.
To monitor the performance of cloud storage solutions.
