DELL-EMC DES-3128 Dell EMC NetWorker Specialist for Implementation Engineers Free Practice Test — 30 Questions

Question 1

In a data center environment, a network engineer is tasked with implementing a maintenance schedule for the backup systems using Dell EMC NetWorker. The engineer must ensure that the backup systems are not only operational but also optimized for performance and reliability. The maintenance plan includes regular updates, system checks, and performance evaluations. Which of the following practices should be prioritized to ensure the backup systems remain efficient and effective over time?

Accepted Answer

Regularly updating the NetWorker software and applying patches to address vulnerabilities and improve performance.

Question 2

A database administrator is tasked with implementing a backup strategy for a SQL Server database that experiences heavy transaction loads. The administrator decides to use a combination of full, differential, and transaction log backups. If the full backup is performed on Sunday at 2 AM, a differential backup is taken every day at 2 AM, and transaction log backups are taken every hour, what is the minimum number of transaction log backups required to ensure that the database can be restored to a point in time just before a failure that occurs on Wednesday at 3 PM?

Accepted Answer

25

Question 3

A company is evaluating its data storage strategy and is considering implementing cloud tiering to optimize costs and performance. They have 100 TB of data, with 30% of it being frequently accessed (hot data), 50% being infrequently accessed (warm data), and 20% being rarely accessed (cold data). The company incurs a storage cost of $0.02 per GB per month for hot data, $0.01 per GB per month for warm data, and $0.005 per GB per month for cold data. If the company decides to implement cloud tiering, what would be the total monthly storage cost after tiering?

Accepted Answer

$1,500

Question 4

In a data center environment, a network engineer is tasked with optimizing the performance of a Dell EMC NetWorker backup solution. The current configuration uses a single network interface for both backup and restore operations, resulting in network congestion during peak hours. The engineer considers implementing a dedicated backup network to alleviate this issue. If the backup traffic is estimated to be 500 MB/s and the restore traffic is estimated to be 200 MB/s, what is the minimum bandwidth required for the dedicated backup network to ensure that both operations can occur simultaneously without impacting performance?

Accepted Answer

700 MB/s

Question 5

In a virtualized environment using vSphere and vCenter, you are tasked with optimizing resource allocation for a set of virtual machines (VMs) that are experiencing performance degradation. You have a cluster with multiple hosts, each with varying CPU and memory resources. You need to implement Distributed Resource Scheduler (DRS) to balance the load effectively. Given that the total CPU demand of the VMs is 120 GHz and the total available CPU resources in the cluster is 200 GHz, what is the maximum percentage of CPU resources that can be allocated to the VMs without exceeding the available resources? Additionally, consider that the DRS settings are configured to maintain a minimum of 20% CPU headroom for future workloads.

Accepted Answer

0.8

Question 6

In a scenario where a company is implementing a backup solution using Dell EMC NetWorker, the implementation engineer needs to customize the backup scripts to optimize performance for a large database environment. The engineer decides to use a combination of pre- and post-backup scripts to manage database transactions effectively. Which of the following best describes the primary purpose of using pre-backup scripts in this context?

Accepted Answer

To ensure that the database is in a consistent state before the backup process begins

Question 7

In a corporate environment, a company is implementing a new authentication mechanism to enhance security for its sensitive data. The IT team is considering various methods, including multi-factor authentication (MFA), single sign-on (SSO), and biometric authentication. They need to determine which method provides the best balance of security and user convenience while also considering the potential risks associated with each approach. Given the context, which authentication mechanism would best mitigate the risk of unauthorized access while maintaining user accessibility?

Accepted Answer

Multi-factor authentication (MFA)

Question 8

In a scenario where a company is implementing a Dell EMC NetWorker Server to manage their backup and recovery processes, they need to configure the server to optimize performance for a large number of clients. The company has 500 clients, each generating an average of 10 GB of data daily. They want to ensure that the backup window does not exceed 8 hours. Given that the network bandwidth available for backups is 1 Gbps, what is the minimum number of backup streams required to meet this requirement?

Accepted Answer

10

Question 9

In a data protection environment, a company is looking to automate their backup processes using scripts. They have a requirement to back up their database every night at 2 AM and to ensure that the backup files are stored in a specific directory. The script must also log the success or failure of each backup operation. If the backup operation fails, the script should send an email notification to the system administrator. Given these requirements, which of the following script functionalities is essential to ensure that the backup process is both automated and reliable?

Accepted Answer

Implementing error handling and logging mechanisms within the script to capture the status of the backup operation and notify the administrator in case of failure.

Question 10

In a data protection scenario, a company is using Dell EMC NetWorker to back up its critical databases. The databases are configured to generate approximately 500 GB of data daily. The backup policy is set to perform full backups every Sunday and incremental backups on the other days of the week. If the company wants to ensure that it can restore the database to any point in time within the last week, how much total storage capacity should the company allocate for backups over a 7-day period, assuming that the incremental backups capture 20% of the daily changes?

Accepted Answer

1.5 TB

Question 11

In a data center environment, a network engineer is tasked with implementing a maintenance schedule for the backup systems using Dell EMC NetWorker. The engineer must ensure that the backup systems are optimized for performance and reliability while minimizing downtime. Given that the backup window is set to 4 hours and the total data size to be backed up is 8 TB, what is the minimum required throughput (in MB/s) that the backup system must achieve to complete the backup within the designated window? Additionally, the engineer must consider that the backup system should also allow for a 20% overhead to account for potential performance degradation during peak hours. What is the adjusted throughput requirement after accounting for this overhead?

Accepted Answer

2.5 MB/s

Question 12

In a large enterprise environment, a company is evaluating the integration of Dell EMC Data Domain with their existing backup solutions. They are particularly interested in understanding the benefits of this integration in terms of data deduplication efficiency and storage savings. If the company currently has a backup storage requirement of 100 TB and expects a deduplication ratio of 10:1 with Data Domain, what would be the effective storage requirement after integration? Additionally, how does this integration enhance the overall backup performance and recovery time objectives (RTO) compared to traditional backup solutions?

Accepted Answer

10 TB effective storage requirement with improved RTO

Question 13

In a scenario where a company is planning to implement Dell EMC NetWorker for their backup and recovery needs, they are evaluating the effectiveness of various resources for further study. The IT team is particularly interested in understanding how to optimize their backup strategies and ensure compliance with industry standards. They come across several resources, including vendor documentation, community forums, and formal training programs. Which resource would provide the most comprehensive understanding of best practices and compliance requirements for implementing NetWorker in a production environment?

Accepted Answer

Formal training programs offered by Dell EMC

Question 14

A company is evaluating its storage optimization strategy to reduce costs while maintaining performance. They currently have a total storage capacity of 100 TB, with 70% utilized for active data and 30% for archival data. The company plans to implement deduplication and compression techniques, which are expected to reduce the storage footprint of active data by 50% and archival data by 30%. After applying these techniques, what will be the new total storage utilization percentage?

Accepted Answer

0.49

Question 15

In a virtualized environment, a company is planning to implement a backup strategy for its critical virtual machines (VMs). The VMs are configured with varying disk sizes and workloads. The administrator needs to ensure that the backup process minimizes downtime and data loss while optimizing storage usage. If the total size of the VMs is 10 TB and the incremental backup is set to capture changes every 24 hours, how much data is expected to be backed up after 5 days, assuming an average daily change rate of 5%?

Accepted Answer

2.5 TB

Question 16

In a scenario where a company is utilizing the Dell EMC NetWorker Management Console to manage their backup and recovery operations, the administrator needs to configure a backup schedule for a critical database. The database requires a full backup every Sunday at 2 AM and incremental backups every weekday at 2 AM. The administrator also wants to ensure that the backup jobs do not overlap with the database\'s peak usage hours, which are from 9 AM to 5 PM. Given this requirement, what is the most effective way to set up the backup schedule in the NetWorker Management Console to meet these criteria?

Accepted Answer

Create a full backup schedule for Sundays at 2 AM and set incremental backups for weekdays at 2 AM, ensuring that the backup window is configured to avoid the peak hours.

Question 17

A company is implementing an advanced backup strategy using Dell EMC NetWorker to ensure data integrity and availability. They have a mixed environment consisting of virtual machines (VMs) and physical servers. The backup policy requires that all data must be recoverable within a 4-hour window, and the total data size is 10 TB. The company decides to use incremental backups after an initial full backup. If the incremental backups are expected to capture approximately 20% of the total data size each day, how many days will it take to reach the recovery point objective (RPO) of 4 hours if the initial full backup takes 12 hours to complete?

Accepted Answer

5 days

Question 18

In a corporate environment, a company is implementing a new data encryption strategy to protect sensitive customer information stored in their database. They decide to use Advanced Encryption Standard (AES) with a key size of 256 bits. If the company needs to encrypt a file that is 2 GB in size, how many bits of data will be encrypted in total, and what is the significance of using a 256-bit key in terms of security strength against brute-force attacks?

Accepted Answer

16,000,000,000 bits; it provides a high level of security, making brute-force attacks impractical due to the vast number of possible key combinations.

Question 19

A company is planning to implement Dell EMC NetWorker for their data protection strategy. They have a mixed environment consisting of Windows and Linux servers, and they need to ensure that their backup solution meets the system requirements for optimal performance. The company has 10 Windows servers with 16 GB of RAM each and 5 Linux servers with 32 GB of RAM each. They are considering the following configurations for their NetWorker server. Which configuration would best meet the system requirements for a robust and efficient backup solution, taking into account the total memory and processing power needed for the environment?

Accepted Answer

A NetWorker server with 64 GB of RAM and 8 CPU cores

Question 20

In a scenario where a company is utilizing Dell EMC NetWorker for backup operations, the administrator notices that a particular backup job has failed. The job was scheduled to back up a critical database at 2 AM, but the job log indicates that it did not start due to a resource contention issue. The administrator needs to determine the best approach to monitor and troubleshoot this job failure effectively. Which of the following strategies should the administrator prioritize to ensure successful job monitoring and resolution of the issue?

Accepted Answer

Analyze the job logs and resource utilization metrics to identify the cause of contention and adjust the scheduling of backup jobs accordingly.

Question 21

In a corporate environment, a data protection officer is tasked with ensuring compliance with the General Data Protection Regulation (GDPR). The officer must assess the potential risks associated with data processing activities and implement appropriate security measures. If a data breach occurs, the organization must notify the relevant supervisory authority within 72 hours. Given this scenario, which of the following actions best exemplifies a proactive approach to security and compliance in relation to GDPR?

Accepted Answer

Conducting regular data protection impact assessments (DPIAs) to identify and mitigate risks associated with personal data processing.

Question 22

A database administrator is tasked with implementing a backup strategy for a SQL Server database that experiences high transaction volumes. The administrator decides to use a combination of full, differential, and transaction log backups to ensure data integrity and minimize potential data loss. After performing a full backup, the administrator schedules a differential backup every 12 hours and transaction log backups every hour. If the full backup is taken at 10:00 AM, what is the maximum potential data loss in minutes if a failure occurs just before the next transaction log backup at 11:00 AM?

Accepted Answer

60 minutes

Question 23

A company is implementing a Dell EMC Data Domain system to enhance its data protection strategy. They plan to integrate the Data Domain with their existing NetWorker environment. The company has a backup window of 4 hours and needs to ensure that the total amount of data backed up does not exceed 10 TB per day. Given that the Data Domain system can achieve a deduplication ratio of 10:1, how much data can the company expect to store on the Data Domain after deduplication, assuming they back up the full 10 TB of data daily?

Accepted Answer

1 TB

Question 24

In a data center environment, a company is implementing a backup strategy for its critical applications. The applications generate approximately 500 GB of data daily, and the company aims to maintain a consistent backup schedule that minimizes data loss while optimizing storage usage. If the company decides to perform full backups weekly and incremental backups daily, how much total storage will be required for one month, assuming that the incremental backups capture 80% of the changes from the previous day?

Accepted Answer

2.5 TB

Question 25

In a scenario where a company is implementing Dell EMC NetWorker for their backup and recovery solutions, they are considering the integration of various resources for further study to enhance their team\'s knowledge and skills. The team has identified four potential resources: vendor documentation, online training courses, community forums, and third-party certification programs. Which resource would provide the most comprehensive understanding of the NetWorker architecture and its operational intricacies, particularly in terms of best practices and troubleshooting techniques?

Accepted Answer

Vendor documentation

Question 26

In a corporate environment, a company is implementing Dell EMC NetWorker to back up its Microsoft SQL Server databases. The IT team needs to ensure that the backup process is efficient and minimizes the impact on database performance during peak hours. They decide to use the integration features of NetWorker with Microsoft applications. Which of the following strategies would best optimize the backup process while ensuring data consistency and minimal disruption?

Accepted Answer

Schedule backups during off-peak hours and utilize the SQL Server VSS Writer to ensure application-consistent backups.

Question 27

In a corporate environment, a company is implementing Dell EMC NetWorker to back up its Microsoft SQL Server databases. The IT team needs to ensure that the backup strategy includes both full and differential backups to optimize storage and recovery time. If the full backup is scheduled weekly and differential backups are scheduled daily, how much storage space will be required for the backups over a 30-day period, assuming the full backup size is 200 GB and the differential backup size averages 50 GB?

Accepted Answer

1,200 GB

Question 28

A company is planning to implement a hybrid cloud storage solution using Dell EMC NetWorker. They want to ensure that their on-premises backup data can be efficiently integrated with a public cloud storage service. The company has a total of 10 TB of data that needs to be backed up, and they plan to use a cloud provider that charges $0.02 per GB for storage. If the company decides to store 30% of their backup data in the cloud, what will be the total cost of storing this data in the cloud for one month? Additionally, what considerations should the company keep in mind regarding data transfer and retrieval costs when integrating with cloud storage?

Accepted Answer

$60

Question 29

In a scenario where a company is implementing Dell EMC NetWorker for backup and recovery, they need to determine the optimal configuration for their backup environment. The company has a mix of physical and virtual servers, with a total of 10 TB of data to back up. They want to ensure that their backup window does not exceed 4 hours and that they can restore data within 1 hour. Given that their current backup solution can process data at a rate of 200 MB/min, what is the minimum number of backup streams they need to configure to meet these requirements?

Accepted Answer

5 streams

Question 30

In a Dell EMC NetWorker environment, a storage administrator is tasked with optimizing backup performance for a large enterprise with multiple data sources. The current backup window is exceeding acceptable limits, and the administrator is considering various strategies to enhance throughput. Which of the following strategies would most effectively improve backup performance while ensuring data integrity and minimizing resource contention?

Accepted Answer

Implementing parallelism in backup jobs to allow multiple streams to run concurrently.

DELL-EMC DES-3128 Dell EMC NetWorker Specialist for Implementation Engineers Free Practice Test — 30 Questions

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