Book Image

CompTIA A+ Practice Test Core 1 (220-1101)

By : Ian Neil, Mark Birch
Book Image

CompTIA A+ Practice Test Core 1 (220-1101)

By: Ian Neil, Mark Birch

Overview of this book

CompTIA A+ certification is a trusted credential that’s highly sought after by professionals looking to prove their mettle in today’s digital world. This book will provide you with exam-oriented practice material mirroring the A+ exam’s level of difficulty to prepare you for every challenge that the exam might throw at you. This book is a compilation of hundreds of carefully curated practice questions on each domain, including mobile devices, networking, hardware, virtualization and cloud computing, as well as hardware and network troubleshooting. The realistic tests are designed in a way to help you accelerate your preparation to achieve the industry-celebrated A+ certification. By the end of this practice book, you’ll be well-prepared to pass the CompTIA A+ Core 1 (220-1101) exam with confidence.
Table of Contents (11 chapters)

Chapter 4: Virtualization and Cloud Computing

4.1 Summarize cloud computing concepts

  1. The correct answer is B. Infrastructure as a Service (IaaS) is a cloud computing service model in which a Cloud Service Provider (CSP) provides the hardware but nothing else. This is ideal when you want to move desktop computers to the cloud. To do this, you would install the operating system, configure it, and patch it. All other answers are incorrect. Software as a Service (SaaS) is a model in which a vendor creates an application, such as Salesforce, and companies lease the application. Security as a Service (SECaaS) is a model in which companies provide cloud identity management services through an external source. An example of this is Okta, which can provide SAML tokens. Monitoring as a Service (MaaS) is a model in which a cloud service provider monitors your network and servers for you.
  2. The correct answer is A. With a hybrid cloud, a company has employees working in both on-premises...