EMT Practice Test

1. Question Content...

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Question1: Refer to the exhibit.

How should the engineer set up the fault domains for this system?

Question2:
Refer to the exhibit.
A technician is performing an SC8000 ISO update to the latest SCOS version. The technician logs into the iDRAC, selects the ISO file, and reboots the controller. The screen appears as shown.
What should be the technician's next step?

Question3: A technician needs to perform a SCOS version update via ISO to an SC8000. The technician needs to connect to the controller with a web browser to the iDRAC IP address.
What are three ways that the technician should use to obtain the iDRAC IP address? (Choose three.)

Question4: What are two 1 Gb iSCSI best practices to set up and-to-end connectivity (servers, switch, and storage)?
(Choose two.)

Question5: How are replay scheduling rules applied to a particular volume?

Question6: A customer plans to use an SC8000 unit for long-term storage of CCTV security video recordings. Thus system consists of 84 - 4TB 7k disks. The customer does not plan to take any replays on the system.
Which setup should be recommended to meet the customer's requirements?

Question7: A deployment engineer needs to upgrade an existing dual-controller SC030 system to a dual-controller SC800 system. The deployment engineer needs to document the existing port configuration to prepare to start the physical upgrade.
Which two steps are required to accurately document the existing port configuration? (Choose two.)

Question8: Refer to the exhibit.

A deployment engineer is setting up SC4020. The engineer turns on the system. Both controllers initialize to SafeMode and are ready for configuration. The engineer plugs serial cable into first controller and types
"platform prejoin show". The output is as shown.
What are two reasons that the deployment will fail if the engineer continues configuring this controller?
(Choose two.)

Question9: Which component of Enterprise Manager needs to be installed to manage multiple Storage Centers?

Question10: A volume containing video files 1-10 GB in size uses the default Daily replay profile. This volume needs to be replicated. The customer needs to use Asynchronous replication and have changes to this volume sent to the DR site throughout the day. The volume should appear in the same volume folder on the DR system as it does on the Production system.
Which two replication settings should be enabled in the create replication wizard to meet the customer needs? (Choose two.)

Question11: There are several servers connected to the Storage Center through Fibre Channel (FC) fabrics using WWN zoning. The engineer has recently replaced a server's FC HB. This server can no longer connect to the Storage Center.
What is causing the problem?

Question12: Which process allows a Linux administrator to configure multipath IO to the Storage Center?

Question13: An engineer has several servers connected to the Storage Center through two FC fabrics. The Storage Center runs in Virtual Ports mode. The engineer needs to create zones based on World Wide Names (WWN).
Which WWNs from the Storage Center need to be included in the zone with the server WWN?

Question14: A customer has multiple Storage Centers at their main site and a DR system at a remote site. A particularly important volume requires High Availability protection. An outage on one system at the main location must NOT cause data to be inaccessible. Disaster Recovery protection is also required to protect data even if the entire main site goes down.
Which technology best meets these requirements?

Question15: An engineer conducts failover testing. When a physical link is disconnected to simulate a port failure, data can still be written to the volume. This occurs even in legacy port mode.
What must be configured on the host for this to occur?

Question16: An engineer has installed an SC4020 with four FC ports in each controller. This is a dual-fabric installation with four FC connections in each server. The servers use the OS built-in multi-pathing capabilities.
Which two configurations will cause the controller failover to fail? (Choose two.)

Question17: An engineer has multiple servers connected to the Storage Center through two iSCSI networks. The engineer uses a software iSCSI initiator on the servers. The Storage Center runs in Virtual Ports mode.
Which IP address is required in the iSCSI initiator for proper connectivity?

Question18: A site contains many volumes that are all listed under the Volumes icon. These volumes are mapped to several servers. The engineer needs to be able to more easily manage the volumes for replay scheduling.
The engineer does NOT want to duplicate any work when assigning the volumes to a replay profile.
How should the engineer accomplish the task?

Question19: A customer has a newly installed storage array. The customer needs to proactively monitor and report storage utilization on a regular basis.
Which customizable, proactive tool should be configured to perform this task?

Question20: When testing controller failover the customer notices that the IOMeter running on the server paused, then continued running IO without reporting an error. The customer expresses concern to the deployment engineer.
How should the engineer respond to the customer?

Question21: An engineer maps a volume to the Windows 2012 R2 server and scans for disks within the Windows Disk Management Console. The engineer sees multiple instances of the mapped volume. The operating system was recently installed on the server that is experiencing the problem. No additional features have been added.
Which three steps should the engineer take within Windows to fix the problem? (Choose three.)

Question22: The deployment technician needs to install a dual-controller system using SCSI. The site will use two switches/VLANs and run in Virtual Ports mode.
What is the correct iSCSI cabling?
A:

B:

C:

D:

Question23: An engineer updates the SCOS version from 6.5.x to 6.6.x on an SC4020 via ISO. The engineer uses the following credentials: admin / admin. The engineer calls Dell Support for final health checks and is informed that a newer SCOS 6.6.x version is available. The engineer tries to perform another ISO update to the newest SCOS 6.6.x version. The engineer is unable to log back in to the BMC interface to start the ISO update.
What should the engineer do to update the newest SCOS version via ISO?

Question24: During failover testing, an engineer finds that the iSCSI connection failed over properly when a physical link was disconnected. The FC connection did NOT failover when a physical link was disconnected.
Which configuration is causing this issue?

Question25: Refer to the exhibit.

A pagepool has 7.3 TB of allocated space; 4.2 TB of that space is being used by volumes. Tier 3 RAID 6-6 Standard is currently 76% utilized.
What happens when Tier 3 RAID 6-6 Standard becomes 100% utilized?

Question26: A deployment technician needs to install a dual-controller Storage Center with two Fibre Channel (FC) fabrics. The site will run in Legacy mode.
What is the correct front-end cabling?
A:

B:

C:

D:

Question27: A customer has replication configured between its primary and DR sites.
When does a customer need to update QoS node settings?

Question28: An engineer is installing an SC4020 with four fibre channel (FC) ports in each controller and two FC switches configured in a dual fabric. The replication ports on the controller will be used only to replicate data to another Storage Center.
How many fault domains are required in Virtual Port mode?

Question29: An administrator needs to be sure to receive any Storage Center alerts when on-call.
Which two actions should the deployment engineer take to meet this requirement? (Choose two.)

Question30: An engineer has mapped a volume to an existing Windows 2012 server. The engineer has configured zoning and confirmed that all paths are correctly configured. The operating system can only see one path within the MPIO software.
Which step should the engineer take so that all paths are presented to the server?

Question31: When replacing a defective SC4020 controller with a new controller, the engineer notices that the new controller does NOT fully initialize. The system runs SCOS version 6.5.30.
Which three actions should the engineer take? (Choose three.)

Question32: An engineer needs to install Storage Centers at the customer's production and DR sites. The customer has a VMware environment with datastores on the Storage Center attached to the ESX hosts. Enterprise Manager provides the Activate DR Site wizard to bring the datastores online at the DR site if needed.
What is the compatible VMware tool that will fail over the VMware environment?

Question33: The engineer notices that iSCSI servers are NOT performing as expected. After reviewing the graphics, the engineer identifies high latency due to an excessive number of retransmits.
What is causing the performance issue?

Question34: A Storage Center system has 6 connections to a FC switch. The Storage Center is in Virtual Port mode.
How many members are in a server zone?

Question35: A site has multiple storage administrators. Some administrators need to be limited to manage only specific volumes. The administrator should be able to create and present volumes within the administrator's area.
Those administrators should NOT be able to see any other volumes created in the Storage Center.
How should the deployment engineer accomplish this task?

Question36: A deployment engineer is installing a dual-controller Storage Center with four FC ports in each controller.
This system need to use Legacy Port mode because the AIX version used requires it.
Which two configurations are required to set up the fault domains? (Choose two.)

Question37: An administrator has multiple servers that need to be connected to the Storage Center through two iSCSI networks. The engineer uses a software iSCSI initiator on the servers. The Storage Center runs in Virtual Port mode.
What item(s) must the administrator know to connect the hosts to the Storage Center?

Question38: An engineer is investigating network congestion on the iSCSI network and finds pause frames are rapidly incrementing on all host and ISL switch ports, but NOT on the array switch ports. All switch ports are configured for both send and receive flow control.
What should the engineer conclude?

Question39: An engineer has installed an SC8000 with 15K drives in Tier 1, and 7K drives in Tier 3. The volume is created using the recommended storage profile. A replay is taken after the initial data is imported, which results in On Demand Data Progression running.
What is going to happen to the data?

Question40: A client needs On Demand Data Progression to immediately move data from Tier 1 to Tier 2 when a replay is taken.
After enabling manual mode, which two attributes should the technician assign to a custom storage profile to meet this requirement? (Choose two.)

Question41: A local Storage Array replicates to a remote Storage Array. A problem occurs on the local Storage Array, which causes the engineer to failover to the remote Storage Array. Once the problem is fixed, the engineer needs to fail back to the local Storage Array. When the engineer tries to fail back to the local Storage Array, NO volumes are available to fail back.
What is the cause of the problem?

Question42: In a dual-controller SC8000 system, how are the Licensed controller and the Leader/Peer controllers related?

Question43: In the setup wizard, which three options are available to choose how the Storage Center handles software updates? (Choose three.)

Question44: Which three items should be entered to generate a SSL certificate? (Choose three.)

Question45: A new volume has been mapped to a VMware host.
From the Storage Center GUI, which item should be used to help identify the new volume?

Question46: The SAS chain starts in port 1 controller 1 and ends at controller 2 at port 3.
What are the correct connections in a 4-port SAS IO card?

Question47:
Refer to the exhibit.
The user expires Replay 2.
Which page(s) are deleted?

Question48: During the setup wizard, which two advanced options are available when creating a disk folder? (Choose two.)

Question49:
Refer to the exhibit.
A Storage Center installation has recently been completed as shown.
How much space is unusable for volumes?

Question50:
Refer to the exhibit.
An engineer needs to correctly configure the fault domain on the Storage Array for the dual-fabric Fibre Channel environment shown. Full connectivity and failover from the storage array configured in legacy port mode for the servers in this environment are required.
Which fault domain configuration meets the requirements?

Question51: An engineer needs to use the Storage Center setup wizard to complete the local port configuration. The engineer needs to select a value for 'Purpose' for SAS/FC ports that are directly connected between the two system controllers.
Which value should the engineer select?

Question52: A customer needs to monitor their database volumes to make sure the storage capacity does NOT exceed the desired limits.
What should the engineer do to automate this monitoring for the database volumes?

Question53: Which characteristic of OLTP workloads needs to be considered when optimizing OLTP workloads on the SC array?

Question54: According to the best practices, what are the correct values for the following parameters on a QLogic HBA?

Question55: The deployment engineer runs all of the commands to initialize the system and reboot the controller. The engineer then tries to log in several times as Admin/mmm before the setup wizard runs. This login fails.
Why is the user Admin/mmm unable to log in?

Question56: Immediately after creating a volume, which workflow disables the Dynamic Capacity on a specific volume?

Question57: A storage administrator is setting up replication between two Storage Centers for the first time and needs to determine the proper zoning for the two systems to communicate. Both Storage Centers are using Virtual Port mode.
Which three zones are the proper zones to set up in each fabric? (Choose three.)

Question58: To configure ports, which three purposes can be set on a port in Virtual Port mode? (Choose three.)

Question59: An engineer has recently completed installing a Storage Center. The engineer needs to configure the ability to set which tiers the volume uses for storage.
What should the engineer do to meet the requirements?

Question60: What is the first sequence of commands that should be used to initialize and SC8000 system after connecting the serial cable?

Question61: What are two effects of pre-allocating space on a volume? (Choose two.)

Question62: On the first day after the Storage Center is installed, the engineer begins copying data to it. The engineer uses the default Replay Profile and Data Progression settings. The engineer notices that the system did take replays, but no data has been restriped in Tier 1.
What is the cause of the problem?

Question63: A deployment technician has cabled several enclosures on one chain: (1) SC200, (1) SC220, and (1) SC
280. When the deployment technician tries to configure the Disk folder, some disks are missing.
What is the cause of this problem?

Question64: Refer to the exhibit.

Which port should the deployment technician connect to when setting the HSN and SSN?
A:

B:

C:

D:

Question65: A customer has an 8 TB database. Half of the data is hot with very frequent access. The other half of the data is older, infrequently used cold data. The customer buys (12) 800 GB SLC Solid State Drives, and puts them in a new disk folder called "Database". The customer then creates volumes for this database in the Database disk folder using the recommended storage profile.
After this database has been running for 1 month, the Statistics tab for the database volumes shows 100% of the space is on Tier 1. The customer expected that half of the data would be on Tier 1 and the rest moved to lower tiers.
What is the problem?

Question66: Which two steps should the engineer take prior to racking any equipment? (Choose two.)

Question67: A system shows 90% of the Tier 1 space allocated as RAID 10.
What is the reason for this problem?

Question68: An engineer receives an alert that the Storage Center has entered Conservation mode.
How should the engineer respond to the alert?

Question69: An engineer needs to use a set of commands to initialize a new SC8000 with serial numbers 12345 &
12346 from the CLI.
Which initial set of commands should the engineer choose?
A:

B:

C:

D:

Question70: A customer has mapped a volume to a Windows 2008 server using two 16 Gb FC paths and two 1 Gb iSCSI paths. The customer needs the traffic to split equally across only the two FC paths without using iSCSI under normal conditions. If the FC network is down, traffic should failover to the iSCSI paths to maintain connectivity.
Which Windows 2008 multi-pathing policy should be used?

Question71: An engineer needs to configure a VMware host. According to best practice, the engineer needs to enable a feature by changing the variables QFullSampleSize and QFullThreshold. The engineer sets those two parameters to the value of 0 in VMware ESXi 5.1 Patch 1 and later versions.
Which feature is enabled?

Question72: A storage administrator creates a new volume, applies the Recommended Storage Profile, and writes 9 TB of data to that new volume. This data currently resides in Tier 1, RAID 10. The storage array has three distinct tiers of drives (SSD, 15K, and 10K). The storage administrator is concerned that Tier 1 space is close to being fully used and will start to cause performance issues.
When will the storage administrator begin to see volume data move between Tier 1 and Tier 2?

Question73: An engineer has installed a system as follows:
Tier 1: WI SSD drives
Tier 2: RI SSD drives
Tier 3: 7K drives
All volumes are set to use the recommended storage profile.
What is the purpose of a Space Management Replay in the SC?

Question74: What should be selected on the IO card change wizard during an upgrade if the slot/port combination is no longer used?

Question75: A customer has iSCSI servers that occasionally perform poorly. The performance issues on a particular server occur during temporary traffic spikes to that server. Logs show that the number of dropped packets increases during the traffic spike. In normal traffic conditions, performance is acceptable.
What are iSCSI best practices to fix this problem?

Question76: A Storage Center runs in Legacy Port mode.
How should the Storage Center zone(s) be set up?

Question77:
Refer to the exhibit.
Users report that access to their home directories on the Storage Center is performing very slow. This problem started a few minutes ago.
Which tab shown is most useful troubleshoot this issue?

Question78: During a Storage Center dual-controller upgrade from SC030 to SC8000, the onsite engineer fails to reload the configuration to flash on a controller.
What is the result?

Question79: An administrator needs to replicate data to an off-site Storage Center. Data on both sides must always match. The administrator must have the data sent to the remote system as soon as the data is written. If the communication to the remote system fails, all writes to the local system must stop.
Which option should the administrator choose to meet the requirements?

Question80: A storage array is configured with four front-end ports on each controller (in a dual-controller configuration) for server connectivity. The storage array runs in Legacy Port mode. An engineer needs to provide multi- pathed (2 fabrics) connectivity from the storage array to the server.
What is the minimum number of fault domains required?

Question81: Which command will successfully set the eth0 IP address on an SC4020 controller to 172.16.14.5 with a subnet mask of 255.255.255.0?

Question82: An engineer is configuring fault domains and front-end IO ports on a dual controller storage array. Any volumes that are later created and mapped to a server must be active/optimized on one controller and standby on the other controller.
Which port mode should the engineer use to meet this requirement?

Question83: An engineer installed the Dell Storage Manager Server Agent on a Windows 2008 R2 server. The engineer configured White Space Recovery for the specific server, but recovery is NOT completing successfully when it is scheduled to run.
What should the engineer change to allow White Space Recovery to run successfully?

Question84: An engineer needs to install an LSI9206 SAS card in an existing SC8000 system that runs version 6.1.
Which step should the technician take to install this IO module?

Question85: A site has a single Storage Center. An engineer needs to limit access to specific volumes. These volumes should be accessed by the database administrators only. The engineer must NOT lose any existing performance or data progression capabilities.
Which method should the engineer use to perform this task?

Question86: Regardless of the redundancy type selected, which three RAID types are supported by Dell Storage Center? (Choose three.)

Question87: What are two requirements to enable and use self-encrypting drives (SED)? (Choose two.)

Question88: An engineer configures a new SC4020. The same day, the engineer receives an alert that all disks are being seen on only one path.
What are two reasons for this alert? (Choose two.)

Question89: A Storage Administrator wants to do a Storage Center OS update to SCOS version 6.7.5. The Storage Center is currently at SCOS version 6.5.30. The Storage Center is at a secure facility and does NOT allow connectivity to any network outside the facility. The Storage Administrator is trying to use the Storage Center Update Utility to accomplish this task, but has been unsuccessful in doing so.
Why has the Storage Administrator been unsuccessful?

Question90: An engineer needs to physically install a two-port FC IO card.
Which steps should the engineer follow to perform this task?

Question91: A customer has mapped a volume to a ESX server using two 8 Gb Fibre Channel (FC) paths. The customer needs the traffic to split equally across the two FC paths.
Which ESX Multi-pathing policy should be used?

Question92: A deployment technician needs to install a dual-controller Storage Center with an SC200 enclosure and an SC280 enclosure.
What is the correct back-end cabling?
A:

B:

C:

D:

Question93: Refer to the exhibit.

Which action will delete only page C1?

Question94: Which three tasks can be performed using the Compellent vSphere plugin in the vSphere client? (Choose three.)

Question95: An engineer is configuring a storage array in a mixed environment of 10 Gb iSCSI and 16 Gb Fibre Channel. The 10 Gb iSCSI network consists of two separate VLANs and is used for server connectivity.
The 16 Gb Fibre Channel network consists of a single fabric and is used to provide high-speed replication connectivity to a secondary storage array for Synchronous Live Volume with Auto Failover.
How many fault domains must the engineer configure on the storage array for each network?

Question96: Which method should be used to map a volume to a server in Enterprise Manager?

Question97: An engineer needs to configure a server. The server is connected to a Storage Center via iSCSI using or more hardware iSCSI host bus adapters. If connectivity is lost due to controller failover, the server needs to reconnect to the Storage Center iSCSI target ports.
Which HBA feature must be enabled to meet the requirement?

Question98: The engineer is upgrading an 8 Gb FC card to an 16 Gb FC card.
Which option should the onsite engineer choose in the IO card change wizard?

Question99:
Refer to the exhibit.
An engineer has almost finished the setup wizard when the screen appears as shown.
What are two reasons that FC should remain in Legacy mode? (Choose two.)

Question100: Refer to the exhibit.

A dual-controller system has two SC200 enclosures connected to it as shown.
Why is the cabling incorrect?

Question101: The administrator notices that some disks show as down intermittently. The disks are all in the same enclosure.
What is the problem?

Question102: An engineer wants to perform a Storage Center OS ISO update, but must determine the BMC IP address first.
In what two ways can the engineer determine the BMC IP address? (Choose two.)

Question103: An engineer is performing failover testing on an FC-attached, dual-controller SC8000 system. The engineer notes that the customer's Windows 2008 R2 servers experience I/O errors. The RHEL and ESX servers experience no problems.
A11 FC HBA timeouts are configured per Dell best practices. The Windows servers that are experiencing issues have had no OS-level configuration changes related to SAN storage. All servers use the same FC fabric.
What is causing the connectivity loss during failover?

Question104: An engineer has configured the storage array for single redundancy across all three tiers in the system. A change in business requirements is forcing the engineer to convert from single redundancy to dual redundancy. The engineer is evaluating whether to use the dual redundant RAID 6 with a stripe width of 6 or 10.
Why should the engineer choose a stripe width of 10?

Question105: An engineer has installed a Storage Array with a Tier 1 consisting of SSDs.
What should the engineer do to optimize performance for I/O workloads utilizing this Tier?

Question106: A zone must include at least one target and at least one initiator.
How many targets and initiators should each zone include according to recommended best practice?

Question107: An engineer is testing controller failover on a newly installed Storage Center.
Which process should the engineer use?

Question108: Flex ports are enabled to add redundant paths for existing iSCSI hosts. A new VLAN is created with identical settings. The network administrator reports high retransmits on all newly added paths.
Which best practice configuration is missing?

Question109: An engineer has created a replay profile in which one replay is taken every 10 minutes. The expiration time is set to 1 week. The engineer needs to improve space utilization without changing the 10-minute interval between the replays.
Which step should the engineer take to meet the requirement?

Question110: An engineer needs to create a volume in the web GUI Explorer view. The volume needs to automatically present to a specific server when created.
How should the engineer create this volume?