CompTIA Cloud+ Certification Guide (Exam CV0-003): Everything you need to know to pass the CompTIA Cloud+ CV0-003 exam

Cover Title Page Copyright Page Dedication Page About the Author About the Reviewer Acknowledgement Preface Table of Contents 1. Introduction to CV0-003 Exam Introduction Structure About CompTIA® About CV0-003 exam Who should take this exam? About this book Exam readiness checklist 2. Overview of Cloud Computing Introduction Structure History of cloud computing Innovations in networking Innovations in computing Cloud service offerings Software as a Service (SaaS) Platform as a Service (PaaS) Infrastructure as a Service (IaaS) Desktop as a Service (DaaS) Anything as a Service (XaaS) Cloud delivery models Private cloud Public cloud Hybrid cloud Community cloud Common cloud jargon Cloud developer beginner questions Conclusion 3. Managing Virtual Machines Introduction Objectives Structure Overview of Virtual Machines Benefits of virtualization Exam topics Hypervisor Hypervisor types Types of virtualisation Virtual machine software Virtualization - Host machine BIOS and Firmware Central Processing Unit (CPU) Random Access Memory (RAM) Network Interface Card (NIC) Virtualization - Virtual machine/Guest machine Virtual disks Virtual network interfaces Virtual network components Virtual RAM Tools Virtual storage Virtualization as the building block of Cloud computing Conclusion Glossary Practice questions 4. Managing Storage Introduction Structure Objectives History of computer storage Traditional storage technologies Direct Attached Storage (DAS) Storage medium Hard disk, tapes, floppies, CDs Solid State Drive (SSD) Storage interface types Data storage architectures Redundant Array of Independent Disks (RAID) Storage tiers File systems Data security Performance measurement Storage capacity metrics Byte vs Bibite Throughput and read/write storage metrics IOPS and latency Reliability metrics Networked storage Storage types Storage Area Networking (SAN) Network Attached Storage Object storage Access protocols Fiber Channel Protocol Ethernet Tunnelling approaches Network storage security High availability Fault tolerance Replication Conclusion 5. Networking Fundamentals Introduction Structure Objectives Origins of networking Network protocols OSI 7-layer architecture Transmission Control Protocol/Internet Protocol (TCP/IP) Link layer Internet layer Transport layer Application layer IPv4, IPv6 Software and hardware ports Networking topologies Network types Intranet Extranet Internet Local Area Networking MAN WAN Wireless Fidelity (Wi-Fi) Performance management Bandwidth Dialups, DSL, broadband and optical fiber Caching Load balancing Network components Conclusion Glossary Practice questions 6. Managing Networks Introduction Structure Objectives Understanding an IPv4 address Decoding IPv4 address Subnet masks Default gateway Subnets and supernets IPv6 Understanding an IPv6 address Decoding an IPv6 address Shortening techniques Interface IDs Domain Name System (DNS) Dynamic Host Configuration Protocol (DHCP) Network Address Translation Port Address Translation Routing tables Networking protocols The HTTP, HTTPS The SSH The FTP, SFTP, TFTP The SMTP, POP and IMAP The NTP and NTS Cloud networks Network virtualization (NV) Network function virtualization Examples of network virtualization Virtual Private Clouds Software-Defined Network The SDN and NV Conclusion Glossary Practice Questions 7. Managing Security Introduction Structure Objectives Security CIA triad Parkerian Hexad Confidentiality Identity and access management Classification levels Bell-LaPadula model Integrity Biba model Message digests Encryption Availability Denial of Service Malware and ransomware Encryption Symmetric encryption Asymmetric encryption Block encryption Stream encryption Public key infrastructure Web of trust scheme Protocols SSL/TLS IPSec Generic Routing Encapsulation Point-To-Point Tunnelling Protocol Layer 2 Tunnelling Protocol (L2TP) Network security threats IP spoofing Ingress filtering Egress filtering Man-in-the-middle attacks Security mechanisms Segmentation Antivirus Firewalls Intrusion Detection and Prevention Cloud Security implementations Systems hardening Endpoint protection (EPP) Securing data Create Use Store Share Archive Destroy API security Conclusion Glossary Practice questions References 8. Identity and Access Management Introduction Objectives Structure Identity Authentication Multi-factor authentication Adaptive authentication Password over a network LDAP Federated identity management Single Sign-on SAML OAuth OpenID Identification and authentication Accountability Authorisation Access control Access control models Kerberos Conclusion Glossary Practice questions 9. Migrating to Cloud Introduction Structure Objectives Types of migration Physical-to-physical Physical-to-virtual Virtual-to-virtual Virtual-to-physical Migration strategies Rehost Refactor Revise Rebuild Replace Re-platform Relocate Retire Migration roadmap Aligning objectives Developing action plan Preparing for execution Establishing governance and mitigating risk Optimizing and scaling Migration life cycle Planning Building Migrating Application migration Data migration Network migration Security Billing Identity and Access migration Support Conclusion Glossary Practice questions 10. Orchestrating Cloud Applications Introduction Objectives Structure Automation Cloud automation use cases Benefits of cloud automation Types of automation activities Scripting Infrastructure as Code IaC Tools Orchestration Automation vs orchestration Benefits of orchestration Cloud Orchestration Models Event orchestration Runbook management Multiple runbooks Runbook automation Runbook life cycle Conclusion Glossary Practice Questions 11. Troubleshooting in Cloud Introduction Structure Objectives CompTIA’s Troubleshooting Methodology Identify the problem Establish a theory of probable cause Test the theory to determine the cause Establish a plan of action and implement the solution Verify full system functionality and implement preventive measures Document findings Troubleshooting for administrators Resource allocations on host machines Licensing Performance degradation - RAM Performance degradation – CPU Performance degradation – storage Performance degradation – Network Troubleshooting utilities Remote access tools Utilities Troubleshooting for developers Logging Metrics Traces Observability Observability vs monitoring Application development best practices Requirement analysis Environments Testing techniques Secure coding Deployment Conclusion Glossary Practice Questions 12. Disaster Recovery and High Availability Introduction Structure Objectives Backups and recovery Full backup Incremental backup Differential backup Synthetic full backup Mirror backup Snapshot backup 3-2-1 backup Grandfather-father-son backup Archives Recover versus restore Business Continuity (BC) Business continuity planning Disaster recovery DR planning Recovery Point Objective (RPO) Recovery Time Objective (RTO) Mean Time Between Failure (MTBF) Mean Time To Recovery (MTTR) Service-level agreement (SLA) Recovery Service Level (RSL) DR and Cloud Cloud DR types Storage Network CSP SLAs Geographically distributed systems Geo-clustering High availability Incident response Procedures and planning Testing the recovery plan Post-mortem analysis Conclusion Glossary Practice questions 13. Public Cloud Services Introduction Structure Objectives Compute services Storage services Networking services Management services Identity and security services Conclusion References 14. Practice Questions Introduction Multiple choice questions Performance-based questions Answer key for multiple choice questions Answer key for performance-based questions Index Your complete resource for CompTIA Cloud+ CV0-003 certification. Key Features: - Gain a solid understanding of the fundamental principles and best practices in cloud computing. - Learn how to seamlessly migrate, orchestrate, and troubleshoot applications in cloud environments. - Assess your knowledge and readiness for the CompTIA Cloud+ exam with a practice test. Description: CompTIA Cloud+ CV0-003 Certification is highly regarded as a performance-based IT certification that recognizes the significance of cloud-based infrastructure services. If you aspire to enhance your career prospects in the dynamic field of cloud computing, this certification is well-suited for you. This book is an essential resource that empowers you with the necessary knowledge and abilities to thrive in the rapidly evolving realm of cloud computing. By offering clear and succinct explanations, and practical exercises, the book comprehensively addresses all crucial areas and objectives of the Cloud+ CV0-003 exam. You will develop a profound comprehension of cloud architecture, deployment models, security considerations, troubleshooting techniques, and more. Moreover, this guide surpasses exam preparation by presenting real-world scenarios and industry best practices, enabling readers to effectively apply their knowledge in their professional roles. Upon completing this book, you will have acquired a comprehensive understanding of cloud computing and its various facets. What you will learn: - Learn how to efficiently manage virtual machines and computing components. - Discover best practices for managing networks in a cloud environment. - Strengthen security measures and effectively manage identity within the cloud. - Explore the concept of orchestrating cloud applications. - Develop robust disaster recovery strategies for cloud-based systems. Who this book is for: This book serves as a natural next step for individuals who have successfully completed the Cloud Essentials certification and acts as a solid groundwork for pursuing certifications such as CCSK and CCSP. It is particularly beneficial for those who possess a moderate understanding of the responsibilities carried out by cloud administrators, architects, and software developers.