Which of the following is not a common cloud characteristic as defined by the NIST? Show
a) On-Demand Self-Service d) Dedicated Hardware What is the term commonly used for the Cloud's capability to scale outward and inward automatically based on demand? a) Agility c) Elasticity What is the very popular "as a Service" model that permits a Cloud provider to make applications available that are typically accessible from anywhere? a) IaaS b) SaaS What is the main "virtual machine" creation technology available in AWS? a)
S3 b) EC2 What is the object-based storage solution in AWS? a) S3 a) S3 Where are your own private subnets located in AWS? a) IAM d) VPC
What is the practice of using a network of remote servers hosted on the Internet to store, manage, and process data, rather than a local server or a personal computer. Cloud Computing Cloud Computing is a class of ______________ based computing that takes place over the ______________ network Internet Cloud Computing is a collection of integrated and networked hardware, software, and Internet infrastructure called a _________________ platform The use of the Internet for communication and transport provides ________________, ___________________, and __________________ services to clients hardware, software, and networking Cloud Computing Platforms hide the complexity and details of the underlying infrastructure from users and applications by providing very simple ________________ _______________ or _______ graphical interface(s) or API(s) API stands for Applications Programming Interface Platforms provide ____ _______________ _____________, that are always on, anywhere, anytime, and any place on demand services Cloud Computing provides the ability to pay for use ____ ___________, which allows you to scale up or down in capacity and functionalities as needed Cloud Computing hardware and software services are available to.... general public enterprises corporations businesses markets What are the 3 Characteristics of Cloud Data? Remotely Hosted Ubiquitous Commodified Remotely Hosted services or data are hosted on remote infrastructure Ubiquitous services or data are available from anywhere Commodified a utility computing model similar to that of traditional utilities, like gas and electricity-- you pay for what you use What is Cloud Computing? shared pool of configurable computing services on-demand network access provisioned by the Service Provider NIST is broken into what 3 things? Essential Characteristics Delivery Models Deployment Models What are the 11 NIST Essential Characteristics? Low Cost Software Broad Network Access Homogeneity Geographic Distribution Scalability Elasticity Resiliency Security Resource Pooling Self Service Measured Service ________________ allows for traffic spikes and minimizes delays Scalability _________________ allows for workload changes by provisioning and de-provisioning resources in an autonomic manner Such that at each point in time the available resources match current demand as closely as possible Elasticity _________________ involves mirrored solutions to minimize downtime in the event of a disaster - Gives businesses the sustainability they need during unanticipated events Resiliency __________________ is no matter which Cloud provider and architecture an organization uses, an open Cloud will make it easy for them to work with other groups Even if those other groups choose different providers and architectures Homogeneity ________ _________ ______________, pay how much you need and for your consumption -Utility based model Low Cost Software In __________________ ___________________ there is a sense of location independence The customer generally has no control or knowledge over the exact location of the provided resources BUT may specify location at a higher level of abstraction (ex: country, state, or datacenter) Geographic Distribution _______________ is the responsibility of the vendor Security _________ ___________ when a consumer can unilaterally provision computing capabilities as needed automatically w/o human interaction with service provider Such capabilities include server time and network storage Self Service With __________ _______________ __________ capabilities are available over the network and accessed through standard mechanisms Standard Mechanisms that promote use by heterogeneous thin or thick client platforms (ex: mobile phones, laptops, and PDA's) Broad Network Access ______________ _________________ is a multi-tenant model -Examples of resources include storage, processing, memory, network bandwidth, and virtual machines Resource Pooling A __________________ ____________ where Cloud systems automatically control and optimize resource use by leveraging a metering capability at some level of abstraction appropriate to the type of service (ex: storage, processing, bandwidth, and active user accounts) Measured Service Cloud Computing characteristics materialize into different __________________ offerings Application Focused Offerings include... Services Application Development Cloud Computing offerings are broken into 2 focuses, which are? Application Focused Offering Infrastructure Focused Offering Infrastructure Focused Offerings include.... Platform Storage Hosting Cloud Taxonomy What company is the world leader of the Cloud right now? Amazon What are the 3 types of Cloud Computing Models? Software as a Service (SaaS) Platform as a Service (PaaS) Infrastructure as a Service (IaaS) Cloud Computing Model where all application components and associated hardware/software are OUTSOURCED -Based on multitenancy (ex: google docs, salesforce.com) Software as a Service (SaaS) Cloud Computing Model where application logic and data are managed INTERNALLY (ex: Microsoft Azure) Platform as a Service (PaaS) Cloud Computing Model where all hardware is OUTSOURCED Infrastructure as a Service (IaaS) Differences b/w SaaS, PaaS, IaaS Virtual Machines run operating systems where physical hardware is __________________ unavailable Virtual Machines make it easier to.... create new machines and backup old ones Virtual Machine software testing uses "_________" installs of operating systems and software "clean" Virtual Machines: timeshare _________ __________ ____________ on one host ____________ problems easy ______________ run ___________ ____________ (timeshare) lightly loaded systems Debug (problems) (easy) Migration (run) Legacy Systems The benefit of Virtual Machines are they allow us to ship or create the same infrastructure, regardless of..... if its a Mac, Windows, or any other type of device _____________________ consists of a Virtual Workspaces and Virtual Machines Virtualization An abstraction of an execution environment that can be made dynamically available to authorized clients by using well-defined protocols is called a _____________ ________________ Virtual Workspace Examples of Virtual Workspaces are ________________ __________ __________________ ___________________ Resource quota Software configuration Virtualization implements on ______________ _________________ and provides infrastructure of _______ Virtual Machines (VMs) API A Virtual Machine is an abstraction of a ____________ _______ ______________ Physical Host Machine A _________________ intercepts and emulates instructions from Virtual Machines -allows management of Virtual Machines Hypervisor _______ plug-into hardware and support structures API VM technology allows ________________ Virtual Machines to run on a single physical machine multiple When only one company is able to use the server it is _______________ _________________ Single Tenancy When there are multiple companies all using the same server it is _________ _______________ Multi Tenancy What 2 options do you have when deploying the Cloud? Public Cloud Private Cloud What are the benefits of computing with a Public Cloud? Significant Cost Savings High
Performance Very Flexible Public Clouds are popular with.... small medium businesses Public Clouds come at cost of loss of control because of lack of ___________________ and sharing of _________________ ___________ Transparency (sharing of) Computing Assets Public Clouds have... multitenancy architecture Private Clouds are... NOT shared operated solely for a single organization Private Clouds have... single tenancy architecture What is a benefit of Private Clouds? (under) enterprise control In a Private Cloud whilst VM architectures are essential, it will LACK benefits of sharing: Cost Scalability Performance Companies are embracing the Cloud because it.... simplifies management of ___ _______________ (hardware, middleware and software resources) can scale up or down available __________ ___________ dynamically ____ _____________ Reduce/Simplify __________ IT resources resource capacity (dynamically) on demand costs Whilst Cloud Computing ensures levels of data security... service ____________
and service ________________ are maintained and preferably improved latency availability The Cloud enables __________ to be used w/o any understanding of their ____________________ services infrastructure The Cloud works using _________________ ___ __________
economies of scale The Cloud's data and services are __________ _____________ but accessible from "______________" stored remotely "anywhere" What potentially lowers the outlay expense for start up companies Has on-demand pricing Vendors and Service providers claim costs by establishing an ongoing revenue stream Economy of Scale What are some downsides of the Cloud? Dependence limits flexibility and innovation Security Policy and Access Issues Some people argue that use of supercomputers is a return to the time of________________ ___________________ that the PC was a reaction against. mainframe computing What are some issues relating to policy and access of the Cloud? If your data is stored abroad whose policy do you adhere to? What happens if the remote server goes down? How will you then access files? There have been cases of users being locked out of accounts and losing access to data What are the 11 Advantages of Cloud Computing? Improved Performance Improved Document Format Latest Version Availability Device Independence Reduced Software Costs Instant Software Updates Universal Document Access Unlimited Storage Capacity Lower Computer Costs Increased Data Reliability Easier Group Collaborations What are the 8 Disadvantages of Cloud Computing? General Concerns Stored Data might not be secure Does NOT work well with low-speed connections Requires a Constant Internet Connection HPC Systems Stored Data can be lost Features might be limited Can be slow ADVANTAGE: _____________ _________________ ____________ DO NOT need a high-powered and high-priced computer to run web-based applications Desktop PC DOES NOT need the processing power or hard disk space demanded by traditional desktop software PC can be less expensive, with a smaller hard disk, less memory, more efficient processor PC DOES NOT even need a CD or DVD drive Lower Computer Costs ADVANTAGE: _________________ _____________________ With few large programs hogging your computer's memory, you will see better performance from your PC Computers in a cloud computing system boot and run faster because have fewer programs and processes loaded into memory... Improved Performance ADVANTAGE: __________________ ______________ ___________ Can get most of what you need for free-ish! Better than paying for similar commercial software Reduced Software Costs ADVANTAGE: _______________ _______________ _______________ No longer choosing between obsolete software and high upgrade costs If application is web-based, updates happen automatically When you access web-based application, get the latest version Instant Software Update ADVANTAGE: ______________ _______________ ____________ ______________ DO NOT worry about documents you create on your machine being compatible with other users' applications or OSes NO format incompatibilities when everyone is sharing documents and applications in the cloud Improved Document Format ADVANTAGE: ______________ _____________ _________________ CC offers virtually limitless storage your computer's current 1 Tbyte hard drive is small compared to the hundreds of Pbytes available in the cloud Unlimited Storage Capacity ADVANTAGE: _________________ _________ _________________ Your computer crashing in the cloud should not affect storage of your data If computer crashes, all your data is still accessible on the cloud Cloud Computing is a data-safe computing platform Increased Data Reliability ADVANTAGE: _________________ _______________ _____________ NOT a problem with CC, bc you DO NOT take documents with you Documents stay in the cloud Can access them with a computer and an Internet connection Documents instantly available wherever you are Universal Document Access ADVANTAGE: ____________ _____________ _________________ When you edit a document at home, the edited version is what you see when you access document at work The Cloud ALWAYS hosts the latest version of documents Latest Version Availability ADVANTAGE: ___________ __________ ____________________ Sharing documents leads directly to better collaboration Important advantage of Cloud Computing used by many users Easier Group Collaboration ADVANTAGE: ____________ _____________________ NO longer tethered to a single computer or network Changes made to computers, applications, and documents follow you through the cloud (can move to portable device and applications and documents are still available) Device Independence
DISADVANTAGE: __________ ___________ ____________ ___________________ CC is impossible if you CANNOT connect to the Internet Use Internet to connect to both your applications and documents so NO Internet = NO Documents A dead Internet connection means NO work In areas where Internet connections are inherently unreliable this is a deal-breaker Requires Constant Internet Connection DISADVANTAGE: Doesn't Work w/ _____-____________ ______________ Makes CC painful and often impossible Web-based applications require a lot of bandwidth to download Low-Speed Connections DISADVANTAGE: ______________ ____________ ______ _______________ Bound to change, but Today... Web-based applications are NOT as full-featured as Desktop-based applications (ex: you can do a lot more with Microsoft PowerPoint than with Google Presentation's web-based offering) Features might be Limited DISADVANTAGE: ______ _____ _________ Even w/ fast connection... Everything about the program has to be sent back and forth from your computer to the computers in the cloud If Cloud servers are backed up you would NOT get the instantaneous access you expect from desktop applications Can be Slow DISADVANTAGE: ____________ _______ _________ _____ ____ __________ All your data is stored on the cloud, so how secure is the cloud? Can unauthorized users gain access to confidential data? Stored Data might NOT be Secure DISADVANTAGE: ____________ _______ _____ ____ ________ Theoretically, data stored in the cloud is safe, replicated across multiple machines BUT if your data goes missing, you have NO physical or local backup Stored Data can be Lost Relying on the Cloud puts you at risk if... the Cloud lets you down DISADVANTAGE: ______ ________________ Not clear that you CAN run compute-intensive HPC applications that use MPI/OpenMP Scheduling is important with this type of application Want all the VM to be co-located to minimize communication latency HPC System With an HPC System and the Cloud you want all the VM to be ____-___________ to minimize ______________________ _____________ co-located communication latency DISADVANTAGE: _____________ _________________ Each cloud systems uses different protocols and different APIs Amazon created its own DB system (not SQL 92) and workflow system (many popular workflow systems out there) SO your normal applications will have to be adapted to execute on these platforms General Concerns Which of the following are characteristics of cloud storage?Five characteristics of cloud computing. On-demand self-service. Cloud computing resources can be provisioned without human interaction from the service provider. ... . Broad network access. ... . Multi-tenancy and resource pooling. ... . Rapid elasticity and scalability. ... . Measured service.. Which of the following is a characteristic of cloud computing quizlet?The essential Characteristic of Cloud Computing include: 1. On-demand self-service: A consumer can be provided with computing capabilities when needed, usually without requiring human interaction with the service provider.
Which cloud computing characteristic enables consumers to provision new services with little to no interaction with humans at the provider?On-demand self-service: Users are able to provision cloud computing resources without requiring human interaction, mostly done though a web-based self-service portal (management console).
What are the characteristics of cloud?There are basically 5 essential characteristics of Cloud Computing.. On-demand self-services: ... . Broad network access: ... . Rapid elasticity: ... . Resource pooling: ... . Measured service:. |
What characteristic of cloud technology helps minimize storage costs by allowing customers Quizlet
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