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CompTIA CLO-002 (CompTIA Cloud Essentials+ Certification) is an entry-level certification exam designed for individuals who are interested in gaining foundational knowledge and understanding of cloud computing. CompTIA Cloud Essentials+ Certification Exam certification covers a range of topics related to cloud computing, including cloud service models, deployment models, security, and management. CompTIA Cloud Essentials+ Certification Exam certification is vendor-neutral, globally recognized, and highly valued by employers in the IT industry. Passing the CLO-002 Exam is a great way to demonstrate your understanding of cloud computing and enhance your career prospects in the IT industry.
The following will be practiced in COMPTIA CLO-002 practice exam and COMPTIA CLO-002 practice exams:
NEW QUESTION # 238
Which of the following early examples of cloud computing was used for software engineering purposes in the form of web-based applications and required interoperability between different systems?
Answer: A
NEW QUESTION # 239
Which of the following storage types will BEST allow data to be backed up and retained for long periods of time?
Answer: C
Explanation:
Object storage is a type of cloud storage that stores data as objects, which consist of data, metadata, and a unique identifier. Object storage is ideal for backing up and retaining data for long periods of time, as it offers the following benefits:
Scalability: Object storage can store virtually unlimited amounts of data, as objects are stored in a flat namespace that can span multiple servers, clusters, or regions. Object storage does not have the limitations of hierarchical file systems or block storage volumes, which can become fragmented or inefficient as they grow.
Durability: Object storage can ensure high levels of data durability, as objects are replicated across multiple locations or zones. Object storage also supports versioning, which allows users to keep multiple versions of the same object and restore them if needed. Object storage can also use erasure coding, which splits objects into data and parity fragments and distributes them across different nodes, enabling data recovery in case of failures.
Cost-effectiveness: Object storage can reduce the cost of storing data for long periods of time, as it typically uses commodity hardware and low-cost disks. Object storage also offers tiered storage options, which allow users to move data between different performance and price levels based on their access frequency and retention requirements. For example, users can store data in cold or archive tiers, which offer lower storage costs but higher retrieval latency and fees.
Solid state storage is a type of storage that uses flash memory chips to store data. Solid state storage offers high performance, low latency, and low power consumption, but it is also more expensive and less durable than other types of storage. Solid state storage is more suitable for storing data that requires frequent and fast access, such as databases, applications, or operating systems, rather than backing up and retaining data for long periods of time.
Block storage is a type of storage that divides data into fixed-sized blocks and assigns them unique identifiers. Block storage is commonly used to create storage volumes that can be attached to virtual machines or servers and act as local disks. Block storage offers high performance, low latency, and flexibility, but it also has some drawbacks for backing up and retaining data for long periods of time, such as:
Scalability: Block storage has limited scalability, as storage volumes have a fixed size and capacity that cannot be easily changed. Block storage also requires more management and maintenance, as users have to provision, format, mount, and backup storage volumes manually or using scripts.
Durability: Block storage has lower durability, as storage volumes are vulnerable to corruption, deletion, or failure. Block storage does not support versioning, which means users cannot restore previous versions of their data. Block storage also does not use erasure coding, which means users have to rely on RAID or other backup methods to ensure data redundancy and availability.
Cost-effectiveness: Block storage has higher cost, as it typically uses more expensive and power-hungry disks. Block storage also charges users based on the provisioned size of the storage volumes, regardless of how much data they actually store. Block storage also incurs additional costs for data transfer, snapshot, and backup services.
File storage is a type of storage that organizes data into files and folders within a hierarchical file system. File storage is commonly used to store and share data that can be accessed by multiple users or applications using standard protocols, such as NFS or SMB. File storage offers simplicity, compatibility, and convenience, but it also has some limitations for backing up and retaining data for long periods of time, such as:
Scalability: File storage has limited scalability, as file systems have a maximum number of files and folders that they can support. File storage also suffers from performance degradation and inefficiency as file systems grow larger and more complex. File storage also requires more management and maintenance, as users have to create, delete, move, and backup files and folders manually or using scripts.
Durability: File storage has lower durability, as files and folders are susceptible to corruption, deletion, or failure. File storage does not support versioning, which means users cannot restore previous versions of their data. File storage also does not use erasure coding, which means users have to rely on RAID or other backup methods to ensure data redundancy and availability.
Cost-effectiveness: File storage has higher cost, as it typically uses more expensive and power-hungry disks. File storage also charges users based on the provisioned size of the file systems, regardless of how much data they actually store. File storage also incurs additional costs for data transfer, snapshot, and backup services. Reference:
CompTIA Cloud Essentials+ CLO-002 Study Guide, Chapter 2: Cloud Concepts, Section 2.5: Cloud Storage, pages 66-69
6 Types of Backups for Cloud Storage
4 Types of Cloud Backup Services and How to Choose
Cloud or tape for long-term data retention?
How to Set Up Backup Retention to Purge Older Backups
NEW QUESTION # 240
A critical internal IT server provisioning process is under review and the IT manager is considering moving the process to the cloud. The IT staff has selected the cloud provider and must now migrate the process. Which of the following MUST the IT staff do to ensure the transition meets the IT manager's requirements?
Answer: A
NEW QUESTION # 241
A business analyst is comparing used vs. allocated storage cost for each reserved instance on a financial expenditures report related to the cloud. The CSP is currently billing at the following rates for storage:
- $1.50 per GB of used space
- $0.75 per GB of allocated space
The operating expenditures the analyst is reviewing are as follows:
Given this scenario, which of the following servers is costing the firm the least, and which should have storage increased due to over 70% utilization?
Answer: D
NEW QUESTION # 242
In a DevOps environment there is a requirement to start building application solutions in an efficient manner without any dependent components. Which of the following should a DevOps engineer do to meet these requirements?
Answer: D
NEW QUESTION # 243
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