Technology Foundations E20-322

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83. Company XYZ has MirrorView/A deployed with consistency groups. A system administrator expands a LUN in the consistency group to a metaLUN.

Using the least amount of administrative effort, what actions need to be taken to continue the consistency group relationship?

A. Destroy consistency group, re-create consistency group

B. Destroy mirror, re-create mirror

C. Leave consistency group alone

D. Remove mirror from consistency group, destroy mirror, re-create mirror, add mirror to consistency group

Answer: D   

84. Data Corp Solutions currently supports a large data warehouse environment. RPO is 20 minutes and the sites are 1000 km apart connected by two T1 connections. There must be minimal impact on their production SAN.

What is the EMC best practice solution?

A. Create a MirrorView/A solution using consistency groups. Set the update interval to 10 minutes

B. Create a MirrorView/S solution dividing LUNs between SPA and SPB using consistency groups

C. Create a MirrorView/S solution placing all LUNs for an Exchange storage group on either SPA or SPB

D. Create an Incremental SAN Copy solution dividing LUNs between SPA and SPB, starting copies at 20-minute intervals

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79. NSA Inc. implemented MirrorView/A.  The customer has four T3 dedicated lines between two sites. The FC/IP hardware consistently demonstrates 2:1 compression or better. The company’s four 500 GB data LUNs show a change rate of around 30 GB each per hour. The customer’s RPO is 20 minutes. The customer adds two more 500 GB LUNs and wants to incorporate them in the DR solution.

What is required to meet this additional DR request?

A. Add four more T3 lines to carry the updated data

B. Change the MirrorView/A update cycle to 15 minutes after the start of the last update

C. Change the MirrorView/A update cycle to 20 minutes after the start of the last update

D. Current configuration will work as is

Answer: D   

80. NSA Inc. implemented MirrorView/A.  The customer has four T3 dedicated lines between two sites. The FC/IP hardware consistently demonstrates 2:1 compression or better. The company’s four 500 GB data LUNs show a change rate of around 30 GB each per hour. The customer’s RPO is 20 minutes. The customer adds two more 500 GB LUNs and wants to incorporate them in the DR solution.

What is required to meet this additional DR request?

A. Add four more T3 lines to carry the updated data

B. Change the MirrorView/A update cycle to 15 minutes after the start of the last update

C. Change the MirrorView/A update cycle to 20 minutes after the start of the last update

D. Current configuration will work as is

Answer: D

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77. While adding a clone to an existing clone group, the customer notices one of the other group members shows a state of “remote mirror synchronizing.”

What caused this condition?

A. Primary image of a MirrorView/S pair is in the process of updating.

B. Primary mirror image is in the process of synchronizing.

C. Secondary mirror image is in the process of a reverse synchronization.

D. Secondary mirror image of a MirrorView/A pair is in the process of an update.

Answer: D   

78. While adding a clone to an existing clone group, the customer notices one of the other group members shows a state of “remote mirror synchronizing.”

What caused this condition?

A. Primary image of a MirrorView/S pair is in the process of updating.

B. Primary mirror image is in the process of synchronizing.

C. Secondary mirror image is in the process of a reverse synchronization.

D. Secondary mirror image of a MirrorView/A pair is in the process of an update.

Answer: D

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75. DSECorp. currently has a CX3-80 at site A and a CX3-20 at site B.  DSE did NOT install Navisphere Agent on any hosts due to internal policies. The sites are connected only through two pairs of departmental FC switches over dark fibre. Call-home is performed at each site for the array located there.

The storage administrator tries to connect the arrays to configure MirrorView/A from site A; however, the CX3-20 does not show as a valid option.

What is most likely the problem?

A. Navisphere Host Agent must be running on at least one host at each site.

B. Call-home must be centralized for multiple arrays in a MirrorView configuration.

C. Management station must have TCP/IP connectivity to both arrays.

D. CX3-20 does not support MirrorView /A.

Answer: C

76. DSECorp. currently has a CX3-80 at site A and a CX3-20 at site B.  DSE did NOT install Navisphere Agent on any hosts due to internal policies. The sites are connected only through two pairs of departmental FC switches over dark fibre. Call-home is performed at each site for the array located there.

The storage administrator tries to connect the arrays to configure MirrorView/A from site A; however, the CX3-20 does not show as a valid option.

What is most likely the problem?

A. Navisphere Host Agent must be running on at least one host at each site.

B. Call-home must be centralized for multiple arrays in a MirrorView configuration.

C. Management station must have TCP/IP connectivity to both arrays.

D. CX3-20 does not support MirrorView /A.

Answer: C

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73. WWE Furniture Removers has a CX3-80 at its headquarters site, and a CX3-20c at its DR site. The sites are separated by a distance of 700 km. It was determined that MirrorView/A is the solution that best matches the company’s needs. You need to plan the zoning for the company’s sites to balance host I/O and MirrorView/A I/O across the CLARiiON ports.

Which configuration should be used?

A. For the CX3-80: Host access to ports 0, 1, and 2, and MirrorView/A access on port 3 of each SP. For the CX3-20c: Host I/O and MirrorView/A I/O on ports 0 and 1 of each SP

B. For the CX3-80: Host access to ports 0, 1, and 2, and MirrorView/A on port 3 of each SP. For the CX3-20c: Host I/O on port 0 and MirrorView/A I/O on port 5 of each SP

C. For the CX3-80: Host access to ports 0, 1, and 2, and MirrorView/A on port 3 of each SP. For the CX3-20c: Host I/O on port 1 and MirrorView/A I/O on port 4 of each SP

D. For the CX3-80: Host access to ports 1, 2, and 3, and MirrorView/A on port 0 of each SP. For the CX3-20c: Host I/O on port 0 and MirrorView/A I/O on port 1 of each SP

Answer: B   

74. WWE Furniture Removers has a CX3-80 at its headquarters site, and a CX3-20c at its DR site. The sites are separated by a distance of 700 km. It was determined that MirrorView/A is the solution that best matches the company’s needs. You need to plan the zoning for the company’s sites to balance host I/O and MirrorView/A I/O across the CLARiiON ports.

Which configuration should be used?

A. For the CX3-80: Host access to ports 0, 1, and 2, and MirrorView/A access on port 3 of each SP. For the CX3-20c: Host I/O and MirrorView/A I/O on ports 0 and 1 of each SP

B. For the CX3-80: Host access to ports 0, 1, and 2, and MirrorView/A on port 3 of each SP. For the CX3-20c: Host I/O on port 0 and MirrorView/A I/O on port 5 of each SP

C. For the CX3-80: Host access to ports 0, 1, and 2, and MirrorView/A on port 3 of each SP. For the CX3-20c: Host I/O on port 1 and MirrorView/A I/O on port 4 of each SP

D. For the CX3-80: Host access to ports 1, 2, and 3, and MirrorView/A on port 0 of each SP. For the CX3-20c: Host I/O on port 0 and MirrorView/A I/O on port 1 of each SP

Answer: B 

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 69. The company XYZ has three AIX servers that need to be replicated to a DR site 20 miles away. Two servers have Oracle databases but the third uses a nonrelational database. The company wishes to use MirrorView/A to replicate over an FC/IP link. All server operating systems and hardware are identical. During DR testing the two Oracle servers recover properly but the nonrelational database server does not

Why?

A. Link latency is affecting proper transfer of source LUN data to the target DR array.

B. Nonrelational database application is not able to handle async replication.

C. Nonrelational databases are not supported on CLARiiON storage.

D. Source LUN was not properly quiesced and the target DR data was corrupted.

Answer: B   

70. A customer’s primary LUN is 200 GB.  The customer is preparing a MirrorView/A DR solution using the MirrorView Wizard of the Navisphere Taskbar.

The Reserved LUN Pool has four unallocated 10 GB LUNs on the primary array. No reserve LUNs are created on the secondary.

As a result of the operation, how will the LUNs be configured in the RLP of both arrays?

A. First free LUN will be allocated to the MirrorView/A session on the primary. The secondary array will have no LUNS in the RLP.

B. On the primary, two new 10 GB LUNs are created; the secondary RLP will be empty

C. On the primary, two new 20 GB LUNs will be created with the first LUN allocated. The secondary will have two new 20 GB LUNS in the RLP, none of which are allocated.

D. On the primary, the first two 10 GB will be allocated; the secondary will show four new 10 GB LUNs in RLP.

Answer: C