E20-545 Exam Questions
233 real E20-545 exam questions with expert-verified answers and explanations. Page 3 of 5.
- Question #101
Refer to the exhibits. Exhibit A Exhibit B Exhibit C Exhibit D Which SAN connectivity solution uses the EMC best practice for port group oversubscription on a Cisco 24-port module?
- Question #102
A customer needs to give a host 300 GB of disk space to improve performance. The VNX to be used has three RAID groups available. - RAID group 1 is RAID 5 (4+1) with 240 GB free - R...
- Question #103
You are examining NAR files from a VNX Block system and notice that the I/O has no write burst and overall is very low. The low and high watermarks are currently set at 40/60. What...
- Question #104
A customer wants to create a file system on a metavolume. What is the smallest metavolume that can be used?
- Question #105
A customer wants advice on how to provision storage for a performance-intensive OLTP application. It has a 3:1 R/W ratio and a maximum 8 KB block size. What advice do you give them...
- Question #106
In a dual Control Station configuration, how do Control Stations communicate with each other?
- Question #107
What condition receives the highest order criteria selection during a proactive sparing event?
- Question #108
A systems administrator wants to configure Data Mover networks for performance. Only one network switch is available. At least three physical ports on the Data Mover can be used fo...
- Question #109
What is the best fit workload recommendations when using Flash drives in a VNX File environment?
- Question #110
Which VNX feature lets you dynamically expand the capacity of a single LUN (base LUN) into a larger unit?
- Question #111
What is the name of the process that writes original data from the source LUN to the reserved LUN pool when using SnapView snapshots?
- Question #112
In order to boot a VNX, which connection must be enabled?
- Question #113
During the design phase, an administrator asks you which type of automatic iSCSI device discovery is supported by Celerra. What is your response?
- Question #114
A company has decided to use CAVA as their antivirus solution. Which protocol does CAVA use to support antivirus protection in a Celerra environment?
- Question #115
Which protocol enables the customer to access the Control Station over IP?
- Question #117
A customer wants to assign different management roles based on groups in an LDAP database. How are user rights established?
- Question #118
Which two options can be used to manage VNX for File using the CLI?
- Question #119
Which two options can be used to manage VNX for File using the CLI?
- Question #120
When configuring auditing features for a VNX, what does the /sbin/ausearch command do?
- Question #121
How often are auditing configuration files and the current audit log file backed up for each active Control Station?
- Question #122
A customer is concerned about maintaining the appropriate level of redundancy. The customer asks you to explain how VNX for File handles notification of system conditions and SNMP...
- Question #123
You are reviewing log files for a customer's application using Analyzer, and note the followinG. - NFS write size is 8 KiB LUN - Write size is 8 KiB - Disk write size is 32 KiB You...
- Question #124
Your customer is designing a VNX file system using CIFS quotas with a supported third-party application. What software option is required to support this implementation?
- Question #125
A Storage Administrator wants to use all available bandwidth to connect a VMware ESXi host to a VNX. They decide to use two identical CNAs as well as two NICs. They do this so they...
- Question #126
Which RAID Group settings are appropriate for workloads consisting of predominantly large-block random read I/O profiles, such as data warehousing?
- Question #127
When creating a RAID 6 RAID Group, what is the maximum number of disks that can be incorporated?
- Question #128
When creating a RAID 5 RAID Group from SAS disks, EMC best practice recommends selecting drives from the same bus. Why?
- Question #129
A Storage Administrator wants to create a striped 4 TB metaLUN to present to an application server. They plan to use a base LUN size of 1.4 TB made from a RAID 5 (4+1) protected RA...
- Question #130
A customer reported degraded performance with several of the applications that run on a VNX. After reviewing the performance data on the array, you find that all the performance is...
- Question #131
A customer has a heterogeneous FAST VP Pool with 2.4 TB available space. The pool contains a mix of thick LUNs and thin LUNs. The customer attempts to create a 2.4 TB thick LUN, bu...
- Question #132
A FAST VP Pool is configured with 1,000 GB of Flash, 5,000 GB of SAS, and 25,000 GB of NL- SAS drives. Four thick LUNs of 2,000 GB each are created at 30 minute intervals with defa...
- Question #133
A customer is running out of space and wants to order more drives to add to their existing single Pool environment. The current pool is a mix of 10k SAS and 7.2k NL-SAS drives. The...
- Question #134
A Storage Administrator tries to expand the size of a thin pool LUN in a pool that is oversubscribed by 70%. The operation fails. What could be causing this issue?
- Question #135
Which location is used to optimize cached ACL database lookups?
- Question #136
Where, in Unisphere, can a Storage Administrator see a host that has not yet been connected to Storage Group?
- Question #137
A Storage Administrator wants to migrate a thin LUN to another pool, but accidently creates a slightly larger thin LUN to be the target for the migration. How much space will be us...
- Question #138
A Storage Administrator wants to migrate a thick LUN to another pool, but accidently creates a slightly larger thick LUN to be the target for the migration. How much space will be...
- Question #139
A newly created 500 GB thick LUN with 100 GB used capacity needs to be migrated to a thin LUN. What is the result of the migration?
- Question #140
Which statements describe FAST-VP behavior?
- Question #141
Which statements describe FAST-VP behavior?
- Question #142
A customer is experiencing rapid growth in their storage environment and is struggling to respond quickly to new capacity requests. The storage team is spending most of their time...
- Question #143
An administrator installs FAST Cache enabler on a VNX system. When the administrator opens the Properties page of an existing Classic LUN, FAST Cache is not enabled for the LUN. Wh...
- Question #144
What is a characteristic of FAST Cache when it is in a faulted state?
- Question #145
How does FAST Cache keep track of incoming writes?
- Question #146
Which application workloads benefit most from FAST Cache?
- Question #147
How does FAST Cache benefit application workloads?
- Question #148
How can Access Logix best be described?
- Question #149
What are supported limits for Access Logix?
- Question #150
Your customer plans to use iSCSI connectivity for their new ESXi server. They want to enable CHAP so they ask you which CHAP methods can be used with VNX arrays. What should be you...
- Question #151
A customer plans to connect a new Windows 2012 host to a new VNX array. The customer's application requires LUNs that are aligned at 1024 blocks. What should you advise?