IT Service Management Week 1 Introduction
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Questions and Answers

What characteristic of cloud computing allows users to provision resources without human assistance?

  • On-Demand Self-Service (correct)
  • Broad Network Access
  • Measured Service
  • Resource Pooling

Which cloud service model provides users with application software over the internet?

  • Software as a Service (SaaS) (correct)
  • Network as a Service (NaaS)
  • Platform as a Service (PaaS)
  • Infrastructure as a Service (IaaS)

What does the term 'Resource Pooling' refer to in cloud computing?

  • The combination of private and public networks
  • The fixed allocation of resources to each customer
  • The ability to store data across multiple servers
  • The allocation of resources based on user demand (correct)

How is billing for cloud resources typically calculated?

<p>Based on actual resource utilization (C)</p> Signup and view all the answers

Which of the following is NOT a primary characteristic of cloud computing?

<p>Cost-Based Access (D)</p> Signup and view all the answers

In which cloud service model is the consumer responsible for managing virtual machines?

<p>Infrastructure as a Service (IaaS) (D)</p> Signup and view all the answers

What major advantage does Rapid Elasticity provide in cloud computing?

<p>Resources can be quickly scaled up or down as needed. (B)</p> Signup and view all the answers

Which model of cloud computing does not typically involve hardware maintenance by the user?

<p>Software as a Service (SaaS) (A)</p> Signup and view all the answers

What enables organizations to access cloud resources from various networks?

<p>Broad Network Access (C)</p> Signup and view all the answers

What is the pricing model typically utilized in cloud computing?

<p>Pay as you go pricing (C)</p> Signup and view all the answers

What is the professor's preferred method of communication?

<p>Email (C)</p> Signup and view all the answers

What is the consequence of submitting work late for this course?

<p>The work will not be graded (C)</p> Signup and view all the answers

Which of these is NOT a benefit of using cloud computing for a retailer with an eCommerce website during the holiday season?

<p>Guaranteed uptime and performance during peak demand (C)</p> Signup and view all the answers

What does the traditional procurement process described in the content refer to?

<p>Buying physical servers and allocating capacity before use (A)</p> Signup and view all the answers

What is the primary disadvantage of traditional computing models in handling temporary surges in demand?

<p>Limited scalability to accommodate sudden demand spikes (D)</p> Signup and view all the answers

What is the direct consequence of under capacity in traditional computing?

<p>System performance degradation and potential downtime (C)</p> Signup and view all the answers

What is the significance of the retail eCommerce example being used in the content?

<p>To illustrate the challenges of handling seasonal demand spikes with traditional computing (A)</p> Signup and view all the answers

What is the primary reason for a retailer to potentially experience revenue loss during peak demand?

<p>Inability to handle the increased traffic on their website (A)</p> Signup and view all the answers

What additional information should be included in emails to the professor?

<p>Course title, section number, and student ID (D)</p> Signup and view all the answers

What is the main purpose of the 'Let’s Talk' section mentioned in the content?

<p>To provide students with information on how to contact the professor (D)</p> Signup and view all the answers

Which cloud service model is best for creating and running applications, where the provider manages the underlying infrastructure and operating system?

<p>Platform as a Service (PaaS) (B)</p> Signup and view all the answers

What is a key advantage of using Infrastructure as a Service (IaaS) compared to traditional on-premises infrastructure?

<p>Offers greater control over hardware resources and operating systems (C)</p> Signup and view all the answers

Which of the following is NOT a common advantage of cloud computing?

<p>Elimination of the need for network infrastructure (D)</p> Signup and view all the answers

What is the primary responsibility of the cloud service provider in a Software as a Service (SaaS) model?

<p>Managing and supporting the underlying hardware and operating system (B)</p> Signup and view all the answers

Which of the following is an example of a Platform as a Service (PaaS)?

<p>AWS Elastic Beanstalk (C)</p> Signup and view all the answers

Which of the following is NOT a benefit of using cloud computing?

<p>Guaranteed availability and uptime (A)</p> Signup and view all the answers

Which cloud service model is best suited for organizations that need to manage their own servers and operating systems?

<p>Infrastructure as a Service (IaaS) (A)</p> Signup and view all the answers

What is the target audience for Infrastructure as a Service (IaaS)?

<p>IT Administrators (A)</p> Signup and view all the answers

Which cloud service model offers the highest level of abstraction and requires the least amount of user management?

<p>Software as a Service (SaaS) (C)</p> Signup and view all the answers

What is the main advantage of using a cloud service model for software distribution compared to traditional methods?

<p>Easier deployment and scalability (A)</p> Signup and view all the answers

Flashcards

Traditional Procurement

A method where you purchase resources before needing them, often leading to overpayment or underutilization.

Cloud Computing

A type of computing where resources are accessed on demand and paid for only when used.

Under Capacity

The state of having too little capacity, resulting in poor performance.

Over Capacity

The state of having more capacity than needed, leading to wasted resources.

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Demand Spike

A sudden increase in demand for resources, often temporary.

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Scalability

The ability of a system to handle sudden increases in demand without interruption.

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Cloud Computing Use Case

A computing model that allows users to access and utilize resources on a temporary basis, typically paid for as needed.

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Total Cost of Ownership (TCO)

The total cost of ownership of a system, including all costs related to acquisition, implementation, maintenance, and ongoing support.

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eCommerce website

A web-based application that enables customers to purchase goods and services online.

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Holiday Shopping Season

The period of time when sales are expected to increase, such as holidays or seasonal promotions.

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On-Demand Self-Service

Cloud service providers manage and maintain the hardware, allowing users to provision resources like servers and storage without direct management.

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Broad Network Access

Accessing cloud resources from various networks, including internal networks, the internet, or a combination.

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Resource Pooling

Pool of shared resources like storage, networks, and compute power, allowing for efficient allocation and cost savings.

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Rapid Elasticity

The ability to quickly scale up or down the usage of cloud resources based on need, minimizing downtime.

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Measured Service

Cloud providers track and measure resource usage, billing for actual usage.

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Software as a Service (SaaS)

Software provided as a service, accessed via the internet, often with a subscription model.

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Platform as a Service (PaaS)

A platform for developers to build and deploy applications, providing tools and infrastructure.

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Infrastructure as a Service (IaaS)

A service providing virtualized computing resources like servers, storage, and networking, with the user responsible for OS and application management.

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Anything as a Service (XaaS)

A general term for cloud services delivered over the internet, covering a wide range of functions and resources.

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Elasticity in Cloud Computing

The ability to quickly and easily scale computing resources up or down to meet changing demands. It allows users to pay only for the resources they use, maximizing efficiency and reducing costs.

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Cloud Migration

The practice of using cloud computing to replace traditional on-premises IT infrastructure. It allows organizations to shift their IT spending from capital expenditures (CAPEX) to operational expenditures (OPEX).

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Pay-as-you-go Model in Cloud Computing

A key advantage of cloud computing that allows users to access and utilize resources (compute power, storage, networking) on demand, paying only for what they consume. It eliminates the need to invest in upfront infrastructure and provides greater flexibility.

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Going Global with Cloud Computing

Using cloud computing services to quickly establish a global presence and reach customers worldwide without the need for physical infrastructure in every location.

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Speed and Agility in Cloud Computing

The ability to deploy and configure cloud resources quickly and efficiently, allowing organizations to respond rapidly to changing market conditions and customer demands.

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Data Centers in Cloud Computing

The practice of using cloud computing resources to process and store data, reducing the need for physical data centers and associated maintenance costs.

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Cloud for Development & Database Administration

The use of cloud computing services to provide development and database platforms to developers and database administrators, enabling them to build, test, and deploy applications faster and more efficiently.

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Study Notes

Course Information

  • Course title: IT Service Management
  • Course code: DAB 202
  • Week number: 1

Course Introduction

  • Introduction to the course content
  • Meet the professor, their background, and contact details

Professor Information

  • Professor's qualifications: Master of Business Administration, Bachelor of Science in Computer Engineering, Ph.D. in Information Systems (XAI), Master of Science in Information Security
  • Affiliations: Wright State University, Nova Southeastern University, etc
  • Contact method: Email preferred, chat messages not checked

Email Communication

  • When emailing the professor, include full name, section number, and student number
  • Include the course code (DAB-202) in the subject line

Course Expectations

  • Students are expected to submit assignments on time
  • Late submissions will receive a zero

Course Tour

  • Covering the course delivery, outline, and syllabus
  • Accessing the Blackboard course site

Grading

  • Letter grades and their corresponding percentage ranges
  • A = 80-100%
  • B = 70-79%
  • C = 60-69%
  • D = 50-59%
  • F = Less than 50%

Grades – Knowledge Check

  • What letter grade will be earned with a score of 78.5? Answer: B

What is Expected of You?

  • Submit assignments on time
  • Late submissions receive a zero grade

Cloud Computing Concepts

  • Detailed information about cloud computing concepts
  • Traditional procurement processes are compared to cloud computing use cases

Traditional Procurement Process

  • Traditional methods involve buying resources like servers upfront
  • Under-capacity issues, overpaying for unused capacity are potential difficulties

Cloud Computing Use Case

  • Scenarios involving big temporary demand spikes
  • Revenue losses from website down time under traditional systems

What is Cloud Computing?

  • Discusses on-demand delivery of computing resources like databases, storage, and software.
  • Internet is utilized for service delivery.
  • Pay-as-you-go pricing model.
  • No upfront infrastructure investment needed.
  • Flexible resource allocation based on needs.

NIST Cloud Computing Model

  • Broad network access, rapid elasticity, measured service, on-demand self-service, and resource pooling are essential components
  • Various service models (SaaS, PaaS, IaaS) are described and explained

Essential Cloud Characteristics

  • The key cloud attributes (characteristics): on-demand self-service, broad network access, resource pooling, rapid elasticity, and measured service.

On-Demand Self-Service

  • Cloud services are accessed independently without provider assistance.
  • Organizations provide servers, storage, or applications when needed

Broad Network Access

  • Cloud-based resources are accessed via networks
  • May include organizations' internal networks as well as external connections like the internet

Resource Pooling

  • Cloud service providers pool network, storage, and computation capabilities
  • Allocate pooled resources to customers on demand, creating efficiencies

Rapid Elasticity

  • Resources can readily adjust to demand fluctuations (growth or shrinkage)
  • Resources needed for the entire year aren't needed nor purchased under traditional systems

Measured Service

  • Cloud providers measure resource utilization accurately
  • Billing is based on actual resource consumption

Cloud Service Models

  • Software as a Service (SaaS)
  • Platform as a Service (PaaS)
  • Infrastructure as a Service (IaaS)
  • Anything as a Service (XaaS)

Infrastructure as a Service (IaaS)

  • Presents complete computing resources in a virtual environment
  • Cloud provider maintains hardware support; consumers control virtual machines.
  • Provides agile deployments, cost savings and adaptability based on needs, lowering capital expenditure

Platform as a Service (PaaS)

  • A programming language execution environment for developers
  • Cloud service providers maintain the hardware, operating system, and provide platform maintenance
  • Frequently utilized for database and development platforms

Software as a Service (SaaS)

  • On-demand service with platform independence
  • Software doesn't need to be installed locally
  • Cloud service providers manage resources
  • Usually licensed via subscriptions
  • High adoption rate, hardware and OS agnostic

Cloud Service Models (Summary)

  • Specific examples of each service type: SaaS (like Office 365, Salesforce), PaaS (like Google App Engine, AWS Elastic Beanstalk), IaaS (like AWS EC2).

Week 1 Goals

  • Sign up for AWS Academy
  • Create a free tier AWS account (optional)
  • Read documentation: Overview of Amazon Web Services White Paper
  • Review links on cloud computing and AWS types of cloud computing

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DAB 202 IT Service Management Week 1 PDF

Description

This quiz covers the introduction to the IT Service Management course DAB 202. It includes information about the course content, professor background, expectations, and communication protocols. Get familiar with the course outline and grading criteria to set yourself up for success.

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