Free EMC D-ISM-FN-23 Practice Exam with Questions & Answers | Set: 2

Signature-based IDPS uses a database that contains known attack patterns or signatures. Each signature is associated with a particular type of attack and the IDPS will look for those patterns in order to identify malicious activity. For example, if the signature in the database is associated with a buffer overflow attack, the IDPS will look for that particular pattern of attack in order to detect the attack.

Using an existing Ethernet network infrastructure for storage connectivity reduces the overall cost of the network infrastructure. Ethernet networks are widely used and understood, making them cost-effective solutions for integrating storage connectivity without the need for specialized hardware. This approach leverages the existing network infrastructure, thus saving costs associated with deploying and maintaining separate storage networks.

References:

• Dell Information Storage and Management V5 course materials, section on Ethernet and storage networks
• Dell EMC documentation on Ethernet storage solutions

• DRAM (Dynamic Random-Access Memory) offers the highest I/O performance due to its extremely low latency and high-speed access capabilities.
• SCM (Storage Class Memory) follows DRAM, providing high performance but with slightly higher latency than DRAM.
• SSDs (Solid State Drives) come next, offering fast access times but slower than SCM and DRAM.
• SATA (Serial ATA) drives are the slowest among these options, as they typically use mechanical components (in the case of HDDs) and have lower data transfer rates compared to SSDs.

References: Dell Information Storage and Management V5 documents Dell Technologies Info Hub​(Dell Technologies Info Hub)

an interface is a logical connection that enables data transfer between devices. There are different types of interfaces that can connect SSD drives to the storage array controller, such as SATA, SAS, PCIe, and NVMe.

One of the types of interface that can connect SSD drives to the storage array controller is NVMe1. NVMe stands for Non-Volatile Memory Express and it is a protocol that enables high-performance communication between SSDs and PCIe bus. NVMe reduces latency and increases throughput by using multiple parallel queues and direct memory access.

Using an existing IP-based network infrastructure for storage connectivity offers the benefit of being able to extend the network over long distances. IP-based networks are designed tohandle data transmission across geographically dispersed locations, making it possible to connect storage systems in different locations seamlessly. This is particularly advantageous for disaster recovery, remote backup, and cloud storage solutions.References:= Dell ISMv5 Course Module 4: IP SAN and Storage Networking.

• Capacity Requirement: 5 TB = 5000 GB
• Disk Capacity: 750 GB
• Number of Disks for Capacity:Capacity Disks=⌈5000750⌉=7 disksCapacity Disks=⌈7505000​⌉=7 disks
• Performance Requirement: 3000 IOPS
• Disk IOPS: 90 IOPS (at 70% utilization)
• Number of Disks for Performance:Performance Disks=⌈300090⌉=34 disksPerformance Disks=⌈903000​⌉=34 disks
• Final Number of Disks: The higher of the two values is needed, which is 34 disks.

References: Dell ISM V5 Course, Module on Performance and Capacity Planning.

Erasure coding is a method of data protection in which data is divided into data and coding segments. In this case, the configuration has 12 data segments and 5 coding segments, allowing it to tolerate up to 5 simultaneous disk failures. The coding segments provide redundancy, enabling the reconstruction of data even if up to 5 disks fail.

References:

• Dell EMC Education Services

Data backup is the process of copying data to a secondary location to protect it from accidental deletion, application crashes, data corruption, and disasters. Regular backups ensure that data can be restored to a previous state in case of any data loss events.

References:

• Dell EMC Information Storage and Management V5, Module: Data Protection

The Cisco MDS-9132T switch model supports NVMe over Fibre Channel (FC) in a 32Gb/s SAN fabric. NVMe (Non-Volatile Memory Express) is a protocol designed for SSDs to exploit the performance potential of flash technology and provides faster data access compared to traditional SCSI protocols. The MDS-9132T is optimized for modern data centers requiring high-performance storage connectivity.

References:

• Dell EMC Information Storage and Management V5 course material, Module on Fibre Channel SAN.
• Cisco MDS 9000 Series Multilayer Switches data sheet.

Deploying intelligent storage systems in the data center enables efficient and optimized storage and management of information. These systems leverage advanced technologies like AI and machine learning to automate data management tasks, improve resource utilization, and enhance data protection. This results in better performance, lowercosts, and improved reliability compared to traditional storage systems. Intelligent storage systems can also provide insights and analytics to help organizations make better decisions regarding their data.

References:

• Dell EMC Information Storage and Management (ISM) v5, Module on Intelligent Storage Systems, covering benefits such as efficiency and optimization in data management.