EMC DEA-1TT5 Associate - Information Storage and Management (Version 5.0) Exam Practice Test

Virtual provisioning is a storage management technique that enables more efficient allocation of storage to compute systems. It allows storage administrators to create virtual storage resources that are presented to compute systems as if they were physical resources, even if the physical storage capacity does not exist. Virtual provisioning supports various types of virtual storage, including thin LUNs and thin clones. Thin LUNs enable shared and rapid expansion with only minor disruptions. Multiple shared storage pools can be created, and each pool can be allocated to multiple thin LUNs. However, virtual provisioning does not prevent issues that arise from oversubscription; it is important to monitor and manage capacity utilization to avoid performance degradation or service disruptions. Reference: Section 2.5.1 Virtual Provisioning, page 107.

In a RAID 1 array, data is mirrored across two disks. So when a host sends one write I/O to the array, the array will perform two write I/Os to store the data on both disks. The other options are incorrect because they do not accurately reflect the number of write I/Os required in a RAID 1 array.

Virtual LANs (VLANs) are used to segment a physical LAN into multiple logical LANs. This allows multiple networks to share a single physical LAN while maintaining the logical separation between the networks. Each VLAN is assigned a unique identifier and each network device is configured with the identifier of the VLAN it belongs to. This allows traffic from different VLANs to be identified and routed accordingly. VLANs provide an additional layer of security by ensuring that devices on one VLAN cannot access the traffic of another VLAN.

Cyber recovery is a process of restoring critical data and systems in the event of a cyber attack. This goal of this process is to ensure that a copy of the data is always available, even if the original data has been corrupted or compromised. This can be done by isolating a copy of the data and keeping it separate from the original. This ensures that the data is always available should a cyber attack occur, allowing the business to quickly restore the original data and continue operations.

The Management plane of the Software-Defined Data Center (SDDC) architecture provides a graphical user interface (GUI) and command-line interface (CLI) for IT administrators to manage and configure the infrastructure, including storage resources. The management plane is responsible for providing visibility, automation, and orchestration of the SDDC components. It enables IT administrators to monitor and manage the infrastructure, configure policies, and allocate resources as needed. Reference: Section 1.1 Introduction to Software-Defined Data Center (SDDC), page 5.

A virtual private network (VPN) is a security control mechanism that creates a secure and encrypted connection between two networks over a public network such as the internet1. A VPN can help an organization to achieve the desired security for data backup and replication between the data center and cloud by:

• Protecting data in transit from unauthorized access, interception, or modification2.
• Ensuring data confidentiality, integrity, and authenticity by using encryption algorithms and authentication protocols2.
• Providing network access control by verifying the identity of users and devices before granting access to resources2.
• Enabling remote access to cloud resources from any location without compromising security3

Organizations must store, protect, and manage their data in order to comply with the various laws and regulations governing the use and storage of data, such as GDPR and CCPA. By properly managing their data, organizations can ensure that they are compliant with these regulations and avoid potential penalties. Additionally, by storing, protecting, and managing their data, organizations can ensure that their data is secure and protected from malicious actors.

it is important for organizations to store, protect and manage their data because data is a valuable asset that can drive business growth, innovation, and competitive advantage. Data can also be subject to various risks such as loss, corruption, theft, unauthorized access, and compliance violations.

One of the reasons why it is important for organizations to store, protect and manage their data is to meet the requirements of legal and data governance regulations1. This means that organizations should comply with the laws and policies that govern how data should be collected, stored, processed, shared, and disposed of. Data governance also ensures that data quality, security, privacy, and ethics are maintained throughout the data lifecycle.

multi-switch topology is the best recommendation for your requirements. With this topology, you can have multiple ISLs connecting the switches, allowing for redundancy and improved performance. You can also configure trunking and load balancing policies on the ISLs to ensure sufficient bandwidth and guarantee the order of delivery.

The backup server is the component that maintains the catalog containing details about the backups that have occurred. The catalog is a database that stores information about the backup jobs, such as the date, time, and type of backup that occurred, as well as the files that were backed up. The catalog also stores other information, such as the status of the backup jobs, as well as the type of data that was backed up. The backup server is responsible for managing the catalog and ensuring that the details stored in the catalog are accurate.

To calculate MTTR, we need to convert the hours into minutes. Here are the steps:

• Monday: Port 7 was down from 4 PM to 11 PM. That’s 7 hours or 420 minutes.
• Wednesday: Port 7 was down from 2 PM to 10 PM. That’s 8 hours or 480 minutes.
• Friday: Port 7 was down from 5 AM to11 AM. That’s 6 hours or 360 minutes.
• Total corrective maintenance time = 420 + 480 + 360 = 1260 minutes
• Number of repairs = 3
• MTTR = Total corrective maintenance time / Number of repairs
• MTTR = 1260 / 3 = 420 minutes

Therefore, the MTTR of Port 7 is 420 minutes.

According to 1, a remote data protection and recovery solution is a solution that enables data backup and recovery across geographically dispersed locations. It can be implemented using various technologies such as remote replication, cloud backup, and backup appliances.

One of the key benefits for deploying a remote data protection and recovery solution in a data center environment is that it maximizes application and information availability1. This means that it ensures that critical applications and data are always accessible and recoverable in case of any disaster or disruption. A remote data protection and recovery solution can also provide other benefits such as reducing costs, improving security, and simplifying management.