E20-326 Exam Questions
232 real E20-326 exam questions with expert-verified answers and explanations. Page 2 of 5.
- Question #54
Which operations are allowed by Open Replicator/LM?
- Question #55
Which operations are allowed by Open Replicator/DM?
- Question #56
Which information is needed when designing an Open Replicator solution?
- Question #57
Using Open replicator, when are the protection bitmap flags set to "1" for each track on the control device?
- Question #58
A customer wants to migrate a database using Open Replicator. They have decided to do a hot pull operation to minimize the outage window. What should the customer do to prevent dat...
- Question #59
Using Open replicator, when are the protection bitmap flags set to "0" on the control device?
- Question #60
A customer needs to have copies of their production database accessible to their test and development team. The production data resides on a VMAX and test and development resides o...
- Question #61
A customer needs to have copies of their production database accessible to backup and recovery team. The production data resides on a VMAX and backup and recovery resides on a CLAR...
- Question #62
Where is the pace set when using Open Replicator?
- Question #63
How many additional SDDF sessions are used for an Open Replicator incremental push?
- Question #64
You are designing an SRDF/S over Fibre Channel solution. Data centers are 50 kilometers apart. 4 Gb/s FC links are in place. How many buffer to buffer credits would you recommend i...
- Question #65
You are designing an SRDF/S over Fibre Channel solution. Data centers are 30 kilometers apart. 2 Gb/s FC links are in place. How many buffer to buffer credits would you recommend i...
- Question #66
What is the EMC recommended network quality for SRDF/A over GigE?
- Question #67
What is the EMC recommended network quality for SRDF/S over GigE?
- Question #68
How many buffer to buffer credits does a Symmetrix VMAX SRDF Fibre Channel port have?
- Question #69
For which IO sizes is the SiRT feature enabled on Symmetrix VMAX arrays?
- Question #70
For which Symmetrix VMAX SRDF mode(s) is the SiRT feature used?
- Question #71
You are designing an SRDF over GigE solution. What is a consideration to maximize TCP connection scaling?
- Question #72
What is the maximum number of wavelengths that can be multiplexed on a single optical fiber over DWDM?
- Question #73
What is the size of a fibre channel frame?
- Question #74
What is the maximum number of wavelengths that can be multiplexed on a single optical fiber over CWDM?
- Question #77
A customer needs to configure SRDF/S between two sites 10 km apart. The customer connected the R1 ports to fabric-A at site 1 and the R2 ports to fabric-B at site 2. The customer d...
- Question #78
You are designing a Symmetrix VMAX SRDF/S over Fibre Channel solution. The production and remote data centers are 50 kilometers apart. What is the expected write response time dela...
- Question #79
You are designing a Symmetrix VMAX SRDF/S over GigE solution. The production and remote data centers are 100 kilometers apart. What is the expected write response time delay due to...
- Question #80
You are designing an SRDF/S solution. The workload profile is: - Total I/Os per second = 10000 - Write % = 25 - Read block size = 8 KB - Write block size = 8 KB Network bandwidth c...
- Question #81
A customer is using SRDF/S to replicate a Symmetrix VMAX at the production site to the VMAX at the DR site. The sites are connected using a dedicated T1 link and are 38 km apart. W...
- Question #82
You are designing an SRDF/S solution. The workload profile is: - Total I/Os per second = 30000 - Write % = 20 - Read block size = 4 KB - Write block size = 4 KB Network bandwidth c...
- Question #83
When should customers implement SRDF/S solutions?
- Question #84
Which factors contribute to response time elongation in an SRDF/S environment?
- Question #85
Using SRDF/S, In Enginuity 5772 and later, How many concurrent writes can a device receive?
- Question #86
In Enginuity 5671 and earlier, how does SDRF/S behave when multiple writes to a device are received?
- Question #87
An SRDF/S implementation is being designed. The RA performance limits are 3800 4k IOPS for a Fibre RF adapter. The application is doing 6000 4k IOPS with 30% writes and uses multip...
- Question #88
What is the impact on response time when multiple concurrent writes to an RDF device arrive from different FA ports on a Symmetrix VMAX?
- Question #89
A customer is implementing SRDF/S for an application that generates 16000 8K IOPS with 30% writes. A single RDF port can service 1200 8K IOPS. How many RA should be recommended?
- Question #90
A proposed SRDF/S solution was modeled with BCSD. The model assumed that the Source array had 2 RFs. The RA utilization chart shows the maximum utilization at 80%. How many RFs sho...
- Question #91
A proposed SRDF/S solution was modeled with BCSD. The model assumed that the Source array had 4 GigE ports. The RA utilization chart shows the maximum utilization at 70%. How many...
- Question #92
A proposed SRDF/S solution was modeled with BCSD using host-based data. ?The BCSD model assumed two engine VMAX arrays with SRDF Fibre ports. ?The RA Utilization chart shows a maxi...
- Question #93
A proposed SRDF/S solution was modeled with BCSD using host-based data. ?The BCSD model assumed two engine VMAX arrays with SRDF Fibre ports. ?The Compressed Throughput chart shows...
- Question #94
A colleague implemented cascaded SRDF for a VMAX technology refresh and site relocation activity. The colleague reports they shutdown the hosts at production Site A and copied all...
- Question #95
Refer to the exhibit. A customer has a legacy DMX-3 at Site 1, where a BCV-R1 copy is taken of the production volumes and then replicated to another DMX-3 at Site 2 via SRDF/A . Th...
- Question #96
What is a feature of Delta Set Extension pools?
- Question #97
Using the default the 5875 SRDF/A cycle time, what is the recovery point objective in seconds?
- Question #98
When performing a consistent mode change from SRDF/A to SRDF/S, how many cycles does this process take?
- Question #100
An SRDF configuration is running in SRDF/A mode. The customer's decision to switch from SRDF/A to SRDF/S is rejected. At which percentage of write cache in use at the SRDF R2 site...
- Question #101
When designing SRDF/A, what is the recommended configuration for the DSE pool?
- Question #102
What is a supported mode for disk based Cascaded SRDF?
- Question #103
A Symmetrix VMAX SRDF/A customer is planning to implement DSE. What are the recommended DA and RA utilization levels before implementing DSE?
- Question #104
A customer is facing intermittent outages on their SRDF/A link. Typically, an outage does not last for more than 5 minutes. The storage administrator is planning to configure trans...
- Question #105
Which SRDF/A feature is recommended for improving resiliency from link outages?
- Question #106
You have been working with a customer on a new SRDF/A design and need to validate the configuration using host data. Which tool do you use?