显示标签为“E10-001”的博文。显示所有博文
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2013年12月6日星期五

E10-001 dernières questions d'examen certification EMC et réponses publiés

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Code d'Examen: E10-001
Nom d'Examen: EMC (Information Storage and Management Exam Version 2)
Questions et réponses: 200 Q&As

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NO.1 Which cache management algorithm is based on the assumption that data will not be requested by the
host when it has not been accessed for a while?
A. LRU
B. HWM
C. LWM
D. MRU
Answer: A

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NO.2 What is a key benefit of virtualization?
A. Improved resource utilization
B. Improved performance
C. Enhanced interoperability
D. Unlimited resource scaling
Answer: A

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NO.3 What is needed to perform a non-disruptive migration of virtual machines (VMs) between hypervisors?
A. Hypervisors must have access to the same storage volume
B. Physical machines running hypervisors must have the same configuration
C. Hypervisors must be running within the same physical machine
D. Both hypervisors must have the same IP address
Answer: A

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NO.4 What is a function of unified management software in cloud computing?
A. Defining cloud service attributes
B. Consolidating infrastructure resources scattered across one or more data centers
C. Metering based on usage of resources by the consumer
D. Providing an interface to consumers to request cloud services
Answer: A

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NO.5 Which host component eliminates the need to deploy separate adapters for FC and Ethernet
communications?
A. Converged network adapter
B. TCP Offload Engine NIC
C. FCIP bridging adapter
D. iSCSI host bus adapter
Answer: A

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NO.6 What is a benefit of cloud computing over traditional computing?
A. Reduces the time to provision and deploy new applications
B. Eliminates consumer's IT operational expenditure
C. Enables the use of proprietary APIs to access IT resources
D. Lowers migration cost and prevents vendor lock-in
Answer: A

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NO.7 Which cloud computing capability enables monitoring and reporting resource usage?
A. Metering
B. Pooling
C. Self-service requesting
D. Publishing
Answer: A

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NO.8 What does the area ID of the FC address identify.?
A. Group of ports within a switch
B. An individual port within a fabric
C. Location of the name server within the fabric
D. Unique number provided to each switch in the fabric
Answer: A

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NO.9 Which data center requirement refers to applying mechanisms that ensure data is stored and retrieved
as it was received?
A. Integrity
B. Availability
C. Security
D. Performance
Answer: A

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NO.10 What is a characteristic of unified storage?
A. Supports multiple protocols for data access and managed through a single management interface
B. Supports a common protocol for data access and managed through a unified management interface
C. Provides compute, storage, and network virtualization products in one solution
D. Stores all data in the form of objects and managed through a unified management interface
Answer: A

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NO.11 Which EMC product provides the capability to recover data up to any point-in-time?
A. RecoverPoint
B. NetWorker
C. Avamar
D. Data Domain
Answer: A

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NO.12 What is a key security consideration when a NAS device enables sharing of the same data among
UNIX and Microsoft Windows users?
A. NAS device must map UNIX permissions to Windows and vice versa
B. NAS defines and maintains ownership to the objects
C. NIS server must separately maintain SIDs for UNIX and Windows environments
D. Object permissions are not defined in advance and assigned dynamically
Answer: A

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NO.13 Which operation is performed while creating a VM snapshot?
A. Create a delta file to record changes to the virtual disk since the session is activated
B. Capture the configuration data of a VM to create an identical copy of the VM
C. Create a journal volume to update changes to the snapshot
D. Create a Gold
copy of the snapshot before copying changes to the virtual disk
Answer: A

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NO.14 Which statement describes a denial of service attack?
A. Prevents authorized users from accessing the resources and services
B. Prohibits attempts to repair the resources and services after an attack
C. Attempts to provide false information by impersonating someone s identity
D. Prevents unauthorized users to access the resources and services
Answer: A

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NO.15 An organization performs copy on first access (CoFA) replication to create a local replica of application
data. To perform a successful restore, what should be considered?
A. Source devices must be healthy
B. Save location size must be larger than the size of all source devices
C. Save location size must be equal to the size of all source devices
D. All changes to the source and replica must be discarded before the restore starts
Answer: A

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NO.16 What defines the time taken to position the read/write head across the platter with a radial movement
in a disk drive?
A. Seek time
B. Rotational latency
C. Data transfer time
D. Service time
Answer: A

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NO.17 Which cloud computing characteristic enables consumers to grow and shrink the demand for
resources dynamically?
A. Rapid elasticity
B. Resource pooling
C. Measured service
D. On-demand self-service
Answer: A

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NO.18 Which iSCSI name requires an organization to own a registered domain name?
A. IQN
B. EUI
C. WWNN
D. WWPN
Answer: A

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NO.19 What describes a landing zone in a disk drive?
A. Area on which the read/write head rests
B. Area where the read/write head lands to access data
C. Area where the data is buffered before writing to platters
D. Area where sector-specific information is stored on the disk
Answer: A

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NO.20 What is an accurate statement about the Data Center Bridging Exchange protocol?
A. Enables Converged Enhanced Ethernet (CEE) devices to convey and configure their features with
other CEE devices
B. Creates virtual FCoE links over an existing Ethernet network to transport FC frames over virtual links
independently
C. Enables an FCoE switch to send signals to other FCoE switches that need to stop or slow down their
transmissions
D. Enables an FCoE switch to transport both TCP/IP and FC frames over a single virtual FCoE link
Answer: A

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2013年7月28日星期日

EMC E20-814 E20-007 E20-880 E10-001 examen pratique questions et réponses

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Code d'Examen: E20-814

Nom d'Examen: EMC (Symmetrix Solutions Expert Exam for Storage Administrators)

Questions et réponses: 116 Q&As

Code d'Examen: E20-007

Nom d'Examen: EMC (Data Science and Big Data Analytics)

Questions et réponses: 165 Q&As

Code d'Examen: E20-880

Nom d'Examen: EMC (VNX Solutions Expert Exam for Technology Architects)

Questions et réponses: 128 Q&As

Code d'Examen: E10-001

Nom d'Examen: EMC (Information Storage and Management Exam Version 2)

Questions et réponses: 185 Q&As

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NO.1 An Oracle ASM disk group consists of two 50 GB LUNs and is currently in use. The Oracle
database requires more storage space and has two 100 GB LUNs available.
What is the recommended way to organize ASM disk groups to make use of additional space?
A. Create a new disk group containing two 100 GB LUNs
B. Extend the current disk group to include the two 100 GB LUNs
C. Create two new disk groups containing one 100 GB LUN each
D. Double the disk group size by extending with one 100 GB LUN
Answer: A

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NO.2 A company has activated a consistent clone replica of an Oracle database using hot backup
mode
on February 26th. The Oracle instance continues to run until March 6th. On March 7th, the
company realizes that an application problem occurred on February 28th.
What is the most recent point to which the database can be recovered?
A. February 26th
B. February 28th
C. March 6th
D. March 7th
Answer: B

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NO.3 A company uses VMware ESXi servers and EMC Symmetrix VMAX storage arrays. The storage
administrators use the VMware vSphere client on their Microsoft Windows desktops to manage
the environment. They would like to use the EMC Virtual Storage Integrator Path Management
plug-in.
Which path management activities will this plug-in allow?
A. Set multi-pathing policy for all Symmetrix devices
B. Set multi-pathing policy for individual Symmetrix devices
C. Change the multi-pathing ownership of all Symmetrix devices from NMP to PowerPath/VE
D. Change the multi-pathing ownership of individual Symmetrix devices from NMP to
PowerPath/VE
Answer: A

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NO.4 A company has a vSphere environment consisting of eight ESXi hosts. Each host is running
EMC
PowerPath/VE and is connected to multiple FA ports on their Symmetrix. PowerPath/VE will not
claim the disk devices presented by their storage array even though the devices are seen by the
hosts.
What is the most likely solution?
A. Configure and register the PowerPath/VE license file
B. Check LUN masking on the array
C. Change the PowerPath/VE failover policy to Symopt
D. Uninstall and reinstall PowerPath/VE
Answer: A

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NO.5 All applications running on an EMC Symmetrix VMAX array are experiencing poor
performance.
The environment is characterized by:
Dissimilar workloads
Inefficient resource utilization
Service levels not being met
What can be done to guarantee service levels of business critical applications?
A. Implement dynamic cache partitioning
B. Balance throughput across ports
C. Re-map devices to evenly map the workload
D. Provision new storage for applications
Answer: A

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NO.6 SRDF/EDP is running in Adaptive Copy Disk mode from the source (R1) site to the secondary
(R21) site. Which SRDF mode is permitted between the R21 and the R2 sites?
A. Adaptive Copy Write Pending
B. Adaptive Copy Disk
C. Synchronous
D. Semi-synchronous
Answer: A

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NO.7 A company's administrator has implemented Symmetrix Access Control. The motherboard in
the
UNIX host with ADMIN privileges was replaced. After this change, the administrator was unable to
issue any Symmetrix Management commands.
What is the next step the administrator should take?
A. Regenerate the Unique ID
B. Reboot the UNIX host
C. Reset the Access Control database
D. Reinstall Solutions Enabler
Answer: A

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NO.8 Storage administrators for an EMC Symmetrix VMAX need to increase allocated storage for
Microsoft Exchange LUNs without interrupting its operation. Performing a virtual LUN migration
causes a critical nightly clone operation to run for hours instead of minutes. This impacts later
dependent jobs, preventing production operations from completing.
How can this impact to the nightly process be minimized?
A. Set a QoS value of 8 for MIR Copy Pace
B. Set a QoS value of 0 for MIR Copy Pace
C. Set SPC value of 1 on the Exchange LUNs
D. Set SPC value of 8 on the clone LUNs
Answer: A

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NO.9 A company is planning to migrate their Oracle database to EMC Symmetrix VMAX to support
decision support system applications. They would like design guidelines to overcome the existing
performance bottlenecks.
What is the key design guideline?
A. Redo logs and archive logs on separate spindles with RAID 5 protection
B. Redo logs and archive logs on the same spindles RAID 5 protection
C. Redo logs and archive logs on the same spindles with RAID 1 protection
D. Redo logs and archive logs on separate spindles with RAID 1 protection
Answer: D

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NO.10 A company uses EMC Symmetrix VMAX storage for their VMware vSphere environment. They
intend to use SRDF/S for disaster recovery.
What is a consideration when mounting datastores on the remote site after a failover?
A. Keep the existing signature on the replica datastore
B. Assign a new signature to the replica datastore
C. Replica datastore must be mounted as read only
D. Original datastore must be unmounted before the replica datastore can be mounted
Answer: A

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