How many expansion enclosures can be added to a Dell PowerStore 1000T that has 10 SCM drives in the base enclosure?
B. 1 C. 3 D. 2
B. 1
Explanation/Reference:
Dell PowerStore 1000T supports the addition of a maximum of one expansion enclosure when it has 10 SCM drives in the base enclosure. An expansion enclosure can be added to the base enclosure and allows the system to support additional drives and increase storage capacity.
Question 72:
What initiates an automatic NAS server failover to the peer SP?
A. Network link failure B. Resource balancing algorithm C. Assisted internal migration D. SP hardware fault
D. SP hardware fault
Explanation/Reference:
An SP hardware fault initiates an automatic NAS server failover to the peer SP in Dell Unity systems. This ensures that the NAS services remain available in case of hardware failure in one of the Storage Processors (SPs). The failover process is automatic and transparent to the hosts accessing the data, and it helps to maintain the high availability of the NAS services.
Question 73:
You plan to schedule a Live Optics sampling with your customer to size a Dell EMC SC Series array. However, the customer wants to postpone the run until the end of the quarter because there could be more activity on the current storage system.
What course of action is recommended?
A. Wait until the end of the quarter and collect a week-long sampling B. Take a single-day sampling on any given day because that is sufficient in most instances C. Wait until the end of the quarter and collect a single-day sampling D. Take a week-long sampling on any given week because that is sufficient in most instances
B. Take a single-day sampling on any given day because that is sufficient in most instances
Explanation/Reference:
Question 74:
What occurs immediately before the write is acknowledged to the host in a Dell PowerStore 1000T?
A. The peer node is updated B. Data is passed through the deduplication and compression logic C. I/O is saved within the node DRAM memory D. Information is stored on the nonvolatile media of the NVRAM drives
C. I/O is saved within the node DRAM memory
Explanation/Reference:
Before the write is acknowledged to the host in a Dell PowerStore 1000T, I/O is saved within the node DRAM memory. This is done to ensure that the write operation is successful and so that the data is safely stored in the event of a power failure. The data is then passed through the deduplication and compression logic, and finally stored on the nonvolatile media of the NVRAM drives.
Question 75:
What is one key difference between deduplication on Dell PowerStore and Dell Unity?
A. Unity has no deduplication function B. Unity data reduction cannot be disabled C. Deduplication block size is smaller on PowerStore than on Unity D. Deduplication block size is larger on PowerStore than on Unity
C. Deduplication block size is smaller on PowerStore than on Unity
Explanation/Reference:
Deduplication is a feature that reduces storage capacity usage by eliminating duplicate data. PowerStore and Unity both have deduplication function, but one key difference is the size of the deduplication block. PowerStore uses a smaller block size which allows for a higher level of granularity and more efficient deduplication. On the other hand, Unity uses a larger block size which is less granular, but it is still efficient for large sequential data workloads.
Question 76:
Which Unity load balancing method will optimize performance in a customer environment if there are a limited number of open FC switch ports?
A. A Least I/O B. Priority C. Round Robin D. Port to Core Affinity
D. Port to Core Affinity
Explanation/Reference:
The best Unity load balancing method to optimize performance in a customer environment with a limited number of open FC switch ports is Port to Core Affinity. This method will assign the same port to the same core when possible. This allows the same switching resources to be used in the same cores, which will optimize performance due to reduced latency. Priority and Round Robin methods will also provide load balancing, but they are not as effective in a limited port environment. Least I/O is not recommended in this situation, as it will not provide adequate load balancing.
Question 77:
A customer has two Dell S4148FON switches which are not connected to each other The customer wants to use SMB to present NAS data directly from the array to their users The solution must have resilience in case a switch outage occurs
Which solution should the technical architect recommend?
A. Dell PowerStore100X B. Dell PowerVault ME4 C. Dell PowerStore 1000T D. Dell Unity XT 480
B. Dell PowerVault ME4
Explanation/Reference:
The Dell PowerVault ME4 is a storage area network (SAN) solution specifically designed for SMB environments. It provides high availability through active-active controllers and automatic failover, which ensures that data remains accessible in the event of a switch outage. By connecting the two S4148FON switches to the Dell PowerVault ME4, the customer will be able to present NAS data directly from the array to their users, and also have resilience in case of switch outage.
Question 78:
A customer wants to provision a file system while creating a NAS server in a Dell EMC PowerStore T system. What information is needed to create the NAS server?
A. FQDN B. Subnet C. DNS details D. WWPN
B. Subnet
Explanation/Reference:
B, because the question is not mentioning "For Directory Services", DNS configuration is required. to create a NAS Server a DNS is not needed, only when you implement it in a AD Enviroment.
Question 79:
Which NVMe SSDs are supported by Dell EMC PowerStore?
A. 960 GB, 1920 GB, 3840 GB, and 7680 GB B. 3840 GB, 7680 GB, and 15360 GB only C. 1920 GB, 3840 GB, and 7680 GB only D. 1920 GB, 3840 GB, 7680 GB, and 15360 GB
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