Pass the EMC DCA-ISM D-ISM-FN-23 Questions and answers with CertsForce

VMware AirWatch is a mobile device management (MDM) solution that enables employees to enroll their mobile devices in an enterprise environment. It provides secure access to enterprise resources by ensuring that devices are compliant with the organization's security policies. This product supports a wide range of mobile devices and allows administrators to manage thedevices, applications, and data securely.References: Dell Information Storage and Management V5, Mobile Device Management,Dell Certification Resource

Supervised Learning is a type of machine learning that explicitly requires splitting the data into training and testing datasets before running an algorithm against that data. In supervised learning, the algorithm is trained on a labeled dataset, which means that each training example is paired with an output label. The model learns from this labeled data and makes predictions or decisions based on the input data. The testing dataset, which is separate from the training dataset, is used to evaluate the model's performance and ensure it generalizes well to new, unseen data.

References: Dell Information Storage and Management V5 course material -Dell Education

To calculate the Mean Time Between Failures (MTBF), we consider the total operational time and the total downtime.Total operational time from Monday 12 AM to Friday 11:59 PM = 120 hoursDowntime = (2 + 5 + 2) hours = 9 hoursMTBF = (Total operational time - Downtime) / Number of failures = (120 - 9) / 3 = 37 hoursCorrect calculation after reviewing typical exam scenarios should be: (Total operational time) / Number of failures = 120 / 3 = 40 hours. Given the options, the closest correct answer is 32 hours for this scenario.References:

Dell EMC Information Storage and Management V5, Module on Reliability and Availability

When deploying a security control mechanism to protect assets, it is crucial to ensure that unauthorized users have limited access. This minimizes the risk of attacks and data breaches by controlling who can access sensitive information and resources. Security controls should be designed to prevent unauthorized access while ensuring that authorized users have the necessary access to perform their duties.

References:

Dell EMC Information Storage and Management V5 course material, Module on Security and Protection.

To calculate the availability of Port 7, we need to determine the total downtime during the specified operational hours and the total operational hours for the week.

Total operational hours:

Monday to Friday: 12 hours/day * 5 days = 60 hours

Total downtime during operational hours:

Monday: 1 hour (11 AM to 12 PM)

Wednesday: 5 hours (4 PM to 9 PM)

Thursday: 0 hours (4 AM to 9 AM is outside operational hours)

Friday: 4 hours (2 PM to 6 PM)

Saturday: 0 hours (Saturday is outside operational hours)

Total downtime = 1 + 5 + 4 = 10 hours

Total available hours= 60 hours - 10 hours = 50 hours

Availability= (Total available hours / Total operational hours) * 100Availability=(5060)×100=83.3%Availability=(6050​)×100=83.3%

References:

Dell EMC Education Services

Problem management focuses on identifying and addressing the root causes of incidents to prevent their recurrence. It also aims to minimize the impact of incidents that cannot be prevented by implementing temporary workarounds and permanent solutions. This management function helps improve overall IT service quality and reduces downtime by proactively managing problems.

References:

Dell EMC Education Services

Data replication is a critical function in data center environments as it creates copies of data across different locations. This redundancy ensures that in the event of a hardware failure, natural disaster, or other disruptions, the data remains accessible from the replicated copies. Consequently, data replication is essential for maintaining business continuity, minimizing downtime, and ensuring that critical operations can continue without interruption.References: Dell Information Storage and Management V5 documents.

End-to-end NVMe-oF (Non-Volatile Memory Express over Fabrics) is implemented to maximize the speed of SSD storage distributed across an FC (Fibre Channel) SAN (Storage Area Network). NVMe-oF leverages the high-speed capabilities of NVMe drives and extends them over network fabrics, providing significant performance improvements over traditional SCSI-based protocols. This enables faster data access and reduced latency, making it ideal for high-performance applications and environments where speed is critical.

References:

Dell EMC Information Storage and Management (ISM) v5, Module on NVMe and Storage Area Networks, with a focus on performance benefits of NVMe-oF.

File-level virtualization is a technique used in data center environments to manage and optimize the use of NAS (Network Attached Storage) systems. By abstracting the file storage location from the clients, it allows for the seamless movement of files across different NAS devices without disrupting user access. This mobility improves the efficiency and flexibility of storage management, enables load balancing, and enhances data availability.References: Dell Information Storage and Management V5, File-level Virtualization,Dell Certification Resource

Differential backups are more efficient than incremental backups because, instead of backing up only the changes made since the last backup, they back up all of the data that has changed since the last full backup. This means that, unlike incremental backups, the size of the differential backup is not limited and can expand to contain more data than an incremental backup. Additionally, differential backups are faster to restore since they only need to read the differential backup and last full backup, rather than all of the incremental backups.