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EMC DEE-1111 expert certification is an advanced level certification that focuses on the PowerMax and VMAX family solutions. Expert - PowerMax and VMAX Family Solutions Exam certification is aimed at IT professionals who work with enterprise storage and are responsible for design, deployment and management of advanced storage solutions in organizations of any size. Expert - PowerMax and VMAX Family Solutions Exam certification is offered by the Dell EMC Education Services, a renowned institution that is known for providing quality certification programs.
EMC DEE-1111 is one of the most sought-after certifications in the realm of enterprise storage. It provides individuals with the skills and knowledge required to manage PowerMax and VMAX family solutions to the highest standards. Expert - PowerMax and VMAX Family Solutions Exam certification is recognized globally and is highly valued by organizations that rely on these technologies to support their storage requirements. With this certification, individuals can showcase their expertise and attract more job opportunities in organizations that use EMC's enterprise storage solutions.
EMC DEE-1111 exam covers a wide range of topics, including storage virtualization, data replication, disaster recovery, backup and recovery, security and compliance, and performance optimization. Candidates are expected to have a thorough understanding of the PowerMax and VMAX storage systems, including their hardware and software components, as well as their integration with other EMC and third-party products. Successful completion of DEE-1111 exam demonstrates a high level of expertise and proficiency in managing complex storage environments and provides a valuable credential for individuals seeking to advance their careers in the field of storage technology.
NEW QUESTION # 27
An administrator is trying to view the SLO Compliance Report but is unable to find data for an issue that occurred 7 months ago.
What is the maximum retention period?
- A. 6 months
- B. 3 months
- C. Last 2 weeks
- D. Last month
Answer: A
Explanation:
The maximum retention period for the SLO Compliance Report is 6 months. This means that data older than 6 months will not be available in the report
NEW QUESTION # 28
An application server has the following data characteristics:
80% of the I/O is generated with 8 KB random small blocks
20% of the I/O is generated with 64 KB sequential large blocks
50% of all I/O is a write
What workload profile do these data characteristics represent?
- A. RRH
- B. RWM
- C. DCS
- D. OLTP
Answer: D
Explanation:
The data characteristics represent an Online Transaction Processing (OLTP) workload profile. OLTP workloads typically consist of a high percentage of small, random I/O operations2. In this case, 80% of the I/O is generated with 8 KB random small blocks, which is characteristic of OLTP workloads2. Reference: Use DISKSPD to test workload storage performance - Azure Stack HCI | Microsoft Learn
NEW QUESTION # 29
What is the maximum number of SCM RAID groups that can be added to a two-engine PowerMax 2000?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
the maximum number of SCM RAID groups that can be added to a two-engine PowerMax 2000 would depend on various factors including the specific configuration of the system and the capacity requirements.
NEW QUESTION # 30
An SRDF/Metro Smart DR configuration experiences a service interruption.
What criteria will the Fault-Aware Witness give a higher priority to when selecting the winning array?
- A. Synced SRDF/A leg
- B. Presence of a DR leq
- C. Director status
- D. Bias
Answer: D
Explanation:
In an SRDF/Metro Smart DR configuration, the Fault-Aware Witness gives a higher priority to Bias when selecting the winning array. The bias settings for the devices are used to determine the preferred winner in the event of a failure2. The preferred winner is the side that has priority when requesting the lock from the witness instance2. Reference: Dell EMC PowerMax and VMAX All Flash: SRDF/Metro Overview and Best Practices
NEW QUESTION # 31
Which feature of PowerMax and VMAX All Flash arrays provides ORM functionality?
- A. Write folding
- B. Parallel prefetch
- C. Write coalescing
- D. FlashBoost
Answer: C
Explanation:
The feature of PowerMax and VMAX All Flash arrays that provides ORM functionality is write coalescing. ORM stands for Optimized Resource Management, which is a set of technologies that optimize the performance and efficiency of flash storage. Write coalescing is one of the ORM technologies that reduces the write amplification and extends the life of flash drives. Write coalescing combines multiple small writes into larger sequential writes before destaging them to the flash drives. This reduces the number of write operations and the amount of data that needs to be erased and rewritten on the flash drives, which improves the performance and endurance of the flash storage.
Reference:
Dell EMC PowerMax: Family Overview
Dell EMC PowerMax and VMAX All Flash: Data Reduction
Dell EMC PowerMax and VMAX All Flash: Embedded Management
NEW QUESTION # 32
A company plans to implement SRDF/Star. It is currently using SRDF/S between their two data centers. It is setting up a third data center and wants to have at least two identical copies of its data in case of a primary site failure.
What condition is needed for the connection between the first two sites and the third site?
- A. Distance cannot exceed 200 kilometers
- B. Latency cannot exceed 40 ms
- C. The link must be able to transport the delta set of the RPO within the company's RTO
- D. Any link capable of transporting data with a maximum latency of 15 seconds
Answer: C
Explanation:
A company plans to implement SRDF/Star, which is a three-site replication solution that provides continuous data protection and disaster recovery capabilities. It is currently using SRDF/S between their two data centers, which are located within 200 kilometers and use synchronous replication. It is setting up a third data center and wants to have at least two identical copies of its data in case of a primary site failure. The third site can be located anywhere in the world and use asynchronous replication. The condition that is needed for the connection between the first two sites and the third site is that the link must be able to transport the delta set of the Recovery Point Objective (RPO) within the company's Recovery Time Objective (RTO). The delta set is the amount of data that has changed since the last successful replication cycle. The RPO is the maximum acceptable amount of data loss measured in time. The RTO is the maximum acceptable amount of time to restore normal operations after a disaster. The link must have enough bandwidth and latency to ensure that the delta set can be transferred within the RTO without exceeding the RPO.
Reference:
SRDF Star software uses and best practices
SRDF/STAR
Remote replication using SRDF
NEW QUESTION # 33
SRDF/Metro has been deployed and is operating normally. Maintenance tasks at the R1 data center require the array to be offline.
Which SRDF operation should be executed on the Metro RDF pairs to facilitate the planned outage without affecting application I/O?
- A. Swap
- B. Suspend with bias set to R2
- C. Split with bias set to R2
- D. Failover
Answer: A
Explanation:
When maintenance tasks at the R1 data center require the array to be offline, a Swap operation should be executed on the Metro RDF pairs. This operation allows for a planned outage without affecting application I/O by swapping the roles of R1 and R2 devices.
NEW QUESTION # 34
Which is correct about Unisphere for PowerMax and Solutions Enabler permission management?
- A. Unisphere and Solutions Enabler permission information is maintained in separate symauth databases.
- B. Unisphere can assign a maximum of two roles per user Solutions Enabler can assign up to four roles per user
- C. Unisphere and Solutions Enabler have authorization checking disabled by default
- D. Unisphere has a more explicit authentication mechanism for users Solutions Enabler uses the operating system user credentials
Answer: D
Explanation:
Unisphere for PowerMax and Solutions Enabler have different ways of managing user permissions. Unisphere has a more explicit authentication mechanism for users, where each user must have a username and password to log in to the Unisphere interface. Unisphere also supports role-based access control (RBAC), where each user can be assigned one or more roles that define their level of access to the storage system resources and operations. Unisphere maintains the user and role information in a symauth database, which can be shared with Solutions Enabler. Solutions Enabler, on the other hand, uses the operating system user credentials to authenticate users. Solutions Enabler does not require users to have a username and password to run commands, but it checks the symauth database to verify if the user has the appropriate role to perform the requested operation. Solutions Enabler also supports RBAC, where each user can be assigned up to four roles that define their level of access to the storage system resources and operations.
Reference:
Unisphere for PowerMax User Management
Solutions Enabler User Management
NEW QUESTION # 35
An administrator implemented SYMACLs on a PowerMax using host-based Access IDs. The administrator is no longer able to run SYMCLI commands against the volumes belonging to a host.
What is a possible reason for this issue?
- A. SYMAPI options file was manually modified with the wrong host ID.
- B. Host network interface card was replaced
- C. The disks the volumes were on were replaced
- D. symacl -unique -passphrase was run using a different passphrase
Answer: A
Explanation:
If an administrator implemented SYMACLs on a PowerMax using host-based Access IDs and is no longer able to run SYMCLI commands against the volumes belonging to a host, one possible reason could be that the SYMAPI options file was manually modified with the wrong host ID. The SYMAPI options file contains configuration settings for Solutions Enabler, including host IDs for access control. If this file is incorrectly modified, it could prevent the administrator from running SYMCLI commands against certain volumes34. Reference: Dell EMC PowerMax and VMAX All Flash: Embedded Management, Role Based Access Control on PowerMax - Storage Intelligence
NEW QUESTION # 36
Alerts are required to track high I/O response times for a specific storage group. I/O Response times greater than 10 ms require next day analysis. I/O response times greater than 15 ms require immediate intervention.
Which alert settings are required?
- A. 1st level-Warning, 11 ms 2nd level - Critical, 16 ms
- B. 1st level - Warning, 10 ms 2nd level - Critical, 15 ms
- C. 1st level - informational, 9 ms 2nd level - Warning, 14 ms
- D. 1st level - Informational, 10 ms. 2nd level - Warning, 15 ms
Answer: B
Explanation:
The alert settings required are a first level warning at 10 ms and a second level critical alert at 15 ms. These settings will ensure that high I/O response times for a specific storage group are tracked and appropriate actions are taken when the response times exceed the specified thresholds. Reference: Dell EMC PowerMax: Service Levels for PowerMaxOS
NEW QUESTION # 37
vWitness and Array Witness options are deployed in the same operating environment simultaneously.
Which option does SRDF/Metro favor in this situation?
- A. Device Bias
- B. Array Witness
- C. Smart DR
- D. Witness
Answer: D
Explanation:
When vWitness and Array Witness options are deployed in the same operating environment simultaneously, SRDF/Metro favors the Witness option over the Array Witness option. This is because the Witness option provides a higher level of protection against split-brain scenarios and data loss than the Array Witness option. The Witness option uses a third-party server to monitor the health and connectivity of both SRDF/Metro arrays and to arbitrate in case of a failure. The Array Witness option uses a third array to store configuration information and to arbitrate in case of a failure. However, the Array Witness option does not monitor the health and connectivity of both SRDF/Metro arrays, and it requires manual intervention to resume SRDF/Metro replication after a failure.
NEW QUESTION # 38
A storage administrator is investigating non-linear variations in throughput when zoning additional hosts to certain front-end adapters. They notice a certain performance characteristic having 10 identical hosts zoned to the same FA ports. After adding the 11th host, the throughput sometimes drops more than 20%.
What is the most likely cause of this behavior?
- A. Average disk queue length on the hosts exceed 3
- B. System Write Pending > 75%
- C. I/O sizes over 128 KiB are being used on the hosts
- D. QFULL responses of the FA ports
Answer: D
Explanation:
The most likely cause of this behavior is QFULL responses of the FA ports. When additional hosts are zoned to certain front-end adapters, the FA ports may not be able to handle the increased I/O requests, resulting in QFULL responses. This can cause non-linear variations in throughput and sometimes a drop in throughput of more than 20%. Reference: Dell EMC PowerMax: Service Levels for PowerMaxOS
NEW QUESTION # 39
What is a requirement for the SRDF/Metro devices for an SRDF/Metro personality swap?
- A. Must be in suspended state
- B. Must be RW on the link
- C. Must be in partitioned state
- D. Must be WD on the link
Answer: B
Explanation:
For an SRDF/Metro personality swap, the SRDF/Metro devices must be Read/Write (RW) on the link. This ensures that data can be read from and written to the devices during the swap operation.
NEW QUESTION # 40
An organization has PowerMax systems on three sites. They plan to implement SRDF/Star to provide remote protection.
What is a restriction for an SRDF/Star configuration?
- A. The asynchronous PowerMax requires twice the SRDF directors compared to the two synchronous arrays
- B. All the SRDF Groups must be defined and in suspended state
- C. SRDF Groups cannot be shared between SRDF/Star configurations
- D. All SRDF/Star device pairs must be of the same geometry and size
Answer: D
Explanation:
In an SRDF/Star configuration, all SRDF/Star device pairs must be of the same geometry and size. This is because SRDF/Star uses concurrent SRDF to maintain synchronous and asynchronous SRDF sessions between three arrays. The devices in these sessions must have identical geometry to ensure data consistency56. Reference: Dell EMC Solutions Enabler 9.2 SRDF Family CLI User Guide, SRDF/Metro overview | Dell EMC PowerMax and VMAX All Flash: SRDF/Metro Overview and Best Practices
NEW QUESTION # 41
What is the minimum number of samples that must be collected via a single Real Time Trace collection process in Unisphere for PowerMax?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
The minimum number of samples that must be collected via a single Real Time Trace collection process in Unisphere for PowerMax is 1040. This is because the Real Time Trace feature allows the user to collect performance data at 30-second intervals for up to 8 hours, which results in 1040 samples (8 x 60 x 60 / 30 = 1040). The Real Time Trace feature can be used to monitor the performance of storage groups, directors, ports, or devices at a granular level and identify any potential issues or bottlenecks.
Reference:
PowerMax Real Time SG Monitoring in Unisphere 9 0
VMAX Performance Troubleshooting with Unisphere - Run a real time trace at the system level
NEW QUESTION # 42
What environment includes R11 devices?
- A. SRDF/AR
- B. Cascaded SRDF
- C. Concurrent SRDF
- D. SRDF/CE
Answer: B
Explanation:
R11 devices are included in a Cascaded SRDF environment. In a cascaded SRDF configuration, the R1 device at the primary site is paired with an R11 device at the secondary site, which is then paired with an R2 device at the tertiary site2. Reference: NDM overview | Dell EMC PowerMax and VMAX: Non-Disruptive Migration Best Practices and Operational Guide | Dell Technologies Info Hub
NEW QUESTION # 43
A host is issuing I/O to a PowerMax.
What happens if the cache space fills up?
- A. I/O will be serviced at the speed of the destination device
- B. I/O will be queued until an empty cache slot is available
- C. Cache is permanently flushed
- D. Cache is temporarily disabled
Answer: B
Explanation:
When the cache space fills up, I/O will be queued until an empty cache slot is available. This is because PowerMax operates as a cache-centric architecture, where all data is passed through cache before being stored on disk. Cache is used to buffer incoming and outgoing data, as well as to support various functions such as replication and data reduction. When cache is full, the array cannot accept any more data until some cache slots are freed up by flushing data to disk or invalidating stale data. Therefore, answer B is correct.
A, C, and D are incorrect because they do not describe what happens when cache space fills up. I/O will not be serviced at the speed of the destination device (A), as this would bypass the cache and degrade performance. Cache is not permanently flushed or temporarily disabled (D), as this would result in data loss or corruption.
NEW QUESTION # 44
What is the composition of PowerMax TDATs?
- A. 64 equal chunks per disk
- B. 64 slices per disk
- C. 64 hypers per disk
- D. 64 cylinders per disk
Answer: A
Explanation:
In PowerMax, each RAID group is divided into 64 logical blocks known as TDATs (Thin Device Addressable Tracks). Each TDAT is configured to hold data at a given data reduction level, from 1:1 uncompressed data all the way to 16:11. Reference: Data Protection Schemes | Dell PowerMax: Reliability, Availability, and Serviceability | Dell Technologies Info Hub
NEW QUESTION # 45
NDM is being used to migrate some Windows hosts to a new PowerMax. The client doesn't want the migration target volumes to retain the source volume external device identity following the migration.
What should be used to complete the migration and address the client's concern?
- A. NDM metro-based mode
- B. NDM Updates feature
- C. NDM pass-through mode
- D. NDM cancel revert function
Answer: B
Explanation:
The NDM Updates feature should be used to complete the migration and address the client's concern. The NDM Updates feature is designed to help automate the process of moving applications across arrays requiring a short application downtime. It allows application migration from a VMAX (5876) array to a VMAX3 (5977), VMAX All Flash (5978), or PowerMax (5978) array1. It supports pre-sync data between arrays and then schedule downtime to do the cutover1. Reference: Dell EMC PowerMax and VMAX: Non-Disruptive Migration Best Practices and Operational Guide
NEW QUESTION # 46
If the host is cross connected in an SRDF/Metro configuration, what happens if the R2 device becomes Not Ready?
- A. Read-only access is available to only the R1 device
- B. Continues to have read/write access to the R1 device
- C. Read-only access is available to both devices
- D. Loses read/write access to both devices
Answer: B
Explanation:
In an SRDF/Metro configuration, if the host is cross-connected and the R2 device becomes Not Ready, the host continues to have read/write access to the R1 device12. This is because SRDF/Metro is designed to provide high availability and continuous data access. If one device becomes inaccessible, the host can still access the other device12. Reference: SRDF/Metro | SAP Landscape Consolidation with Dell Components, Understanding bias | Dell EMC PowerMax and VMAX All Flash: SRDF/Metro Overview and Best Practices
NEW QUESTION # 47
Which two factors define Capacity Management?
- A. Storage capacity and number of SCM drives
- B. I/O capacity and storage capacity
- C. Number of FE ports and number of SCM drives
B Number of BE ports and I/O capacity
Answer: B
Explanation:
The two factors that define Capacity Management are I/O capacity and storage capacity. I/O capacity refers to the ability of the system to handle the incoming and outgoing data traffic from the hosts or applications. Storage capacity refers to the amount of disk space available to store the data. Capacity Management is the process of planning, monitoring, and optimizing the use of these resources to ensure optimal performance, availability, and efficiency of the system.
Reference:
Dell EMC PowerMax: Family Overview
System Resource Usage
NEW QUESTION # 48
Refer to exhibit.
Refer to the exhibit.
Who has access to run the symaudit -list commands based on the symauth output shown in the exhibit?
- A. Bob and Frank only
- B. Jackie, Jenn. and Ji
- C. Beth only
- D. Beth, Bob, and Frank
Answer: C
Explanation:
The symaudit -list command is used to display audit records for SYMCLI commands. The exhibit shows the output of the symauth -list command, which displays the user groups and access types defined for SYMCLI commands. The output shows that there are two user groups: AdminGrp and EmcMgmtGrp. The AdminGrp group has ADMINRD access type, which means that users in this group can run any SYMCLI command with read-only access. The EmcMgmtGrp group has BASECONTROL access type, which means that users in this group can run only a subset of SYMCLI commands with read/write access. However, the output also shows that there are two exceptions for specific users: Beth and Frank. Beth has ADMINRD access type for all commands, which overrides her membership in EmcMgmtGrp group. Frank has BASECONTROL access type for all commands, which overrides his membership in AdminGrp group. Therefore, the only user who has access to run the symaudit -list command based on the symauth output shown in the exhibit is Beth, since she has ADMINRD access type for all commands2
NEW QUESTION # 49
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