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Computers, Professional Development, Other
Professional Development
Information Storage & Management Assessment (Set B)
50 questions
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- 1. Multiple ChoiceA user tries to update the content of a file stored on a CAS system. What is the result of this operation?CAS generates a new address for the altered content and stores it as a new objectCAS uses the same content addssress for the altered content and the original contentCAS overwrites the original content and generates a new content addressCAS overwrites the original content but the content address is preserved
- 2. Multiple ChoiceWhich EMC product provides target-based deduplication?AvamarNetWorkerData DomainRecoverPoint
- 3. Multiple ChoiceWhat are the two mechanisms that can be employed to address threats of user identity spoofing?Access Control Lists (ACLs) and access control to storage objectsAccess control to storage objects and auditingUser authentication and Information Rights Management (IRM)User authentication and user authorization
- 4. Multiple ChoiceWhat is the function of enhanced transmission selection in an FCoE environment?Enables an FCoE switch to send a signal to other FCoE switches that need to stop or slow down their<br />transmissionsAllows an FCoE switch to distribute configuration parameters to the converged network adaptersProvides available bandwidth to other classes of traffic when a particular class of traffic does not use its allocated bandwidthProvides the capability to independently pause transmission of FCoE frames over each virtual link
- 5. Multiple ChoiceWhich benefit is provided by EMC PowerPath?Dynamic load balancingDeduplication of network trafficMultiplexing host trafficSegmentation of fabric to create VSANs
- 6. Multiple ChoiceIn a CAS environment, what is used to generate a content address?Combination of data and metadata of the objectLocation of the objectBinaries of the dataObject metadata
- 7. Multiple ChoiceWhich iSCSI naming feature uses a 16-character hexadecimal string?EUIIQNiSNSARP
- 8. Multiple ChoiceWhat describes a repudiation attack?Stealing a private key to decrypt the data-in-transitUnauthorized access to information to compromise confidentialityA series of repetitive attacks to the physical information infrastructureAn attempt to compromise accountability goals of the security
- 9. Multiple ChoiceWhat is a characteristic of an FC-AL implementation?Supports connectivity up to 15 million nodesDevices can be added and removed dynamically without any impactReserves one address for connecting an FC-SW portRequires at least one connectivity device
- 10. Multiple ChoiceWhich iSCSI host connectivity option is recommended in a CPU-intensive application environment?iSCSI HBANIC with software-based iSCSI initiatorTCP offload engineConverged Network Adapter
- 11. Multiple ChoiceWhat is a characteristic of an enterprise flash drive?Performs data search and retrieval sequentiallyPerforms rotational speed at more than 30000 rpmWrites once and reads manyUses semiconductor-based solid state media
- 12. Multiple ChoiceWhat defines the time taken to position the sector on the platter under the read/write head?Response timeRotational delaySeek timeData transfer rate
- 13. Multiple ChoiceWhat is true about cache dirty page?Data that has changed but is not yet written to diskData read from disk but not accessed by the hostData that has changed and has been written to disData requested by the host but not yet fetched
- 14. Multiple ChoiceAs your organization's SAN environment grows, you realize there is a greater need to manage SAN security. Which mechanism is required to prevent unauthorized activity on the FC fabric for management operations?VSANRole-based access controlAccess control listsZoning
- 15. Multiple ChoiceWhich operation is performed by a scale-out NAS when it receives a large write I/O from its clients?I/O is sent to the high performance node in the cluster for processingA new node is dynamically added to the cluster to process the I/OI/O is sent to the high storage capacity node in the cluster for processingI/O is striped across multiple nodes for processing
- 16. Multiple ChoiceWhen developing a disaster recovery plan, what is the result of choosing a particular recovery time objective for a system?Determines how often to take a backup of the systemDetermines how long to retain backup copiesDetermines the type and location of the backup mediaDetermines how many transaction logs should be backed up
- 17. Multiple ChoiceWhich operation writes data in cache, and immediately to disk, before sending an acknowledgement to the host?Write-through cacheWrite-back cacheWrite aside cacheWrite cache vaulting
- 18. Multiple ChoiceWhat is a benefit of WWN zoning over port zoning?A server, after replacement of its HBAs, maintains connectivity to its zone partners without the need to<br />modify the zoning configuration.A server, after replacement of its HBAs, does not require performing a fabric login to maintain connectivity to its zone partners.A server, after being moved to another switch port in the fabric, maintains connectivity to its zone partners without the need to modify the zoning configuration.A server, after being moved to another fabric, maintains connectivity to its zone partners without the need to modify the zoning configuration.
- 19. Multiple ChoiceIn Kerberos authentication, what is a role of the Active Directory?Verifies the user's login informationImplements the Authentication service and Ticket Granting serviceVerifies the session ID when the client-server session is establishedMaintains the access control list in a keytab file
- 20. Multiple Choice
A finance department wants to secure its data while the data traverses over the FC SAN. Currently the SAN is also used by other departments in the organization.
Which implementation should be recommended to isolate other department traffic from the finance department traffic?
Virtual SAN
Virtual LAN
Fabric binding
Port binding
- 21. Multiple Choice
Which data center characteristic refers to the capability to grow resources without impacting business operations?
Security
Scalability
Availability
Performance
- 22. Multiple ChoiceWhat is an advantage of reporting on storage arrays?Planning for capacityMonitoring the number of arraysMonitoring the number of disks in a RAID groupPlanning for storage groups
- 23. Multiple Choice
A customer wants to connect iSCSI-enabled hosts to an existing Fibre Channel (FC) storage array.
Which networking device enables the connectivity between the host and the storage array?
FCIP bridge
FC gateway
iSCSI gateway
IP router
- 24. Multiple ChoiceWhat is a benefit of virtual storage provisioning over traditional provisioning?Enables more efficient allocation of storage to hostsCan be used for applications that require predictable performanceProvides full control for precise data placementDoes not enable oversubscription
- 25. Multiple ChoiceWhat accurately describes a Vblock?Block-based storage deviceSMI specificationVirtual tape libraryCloud infrastructure package
- 26. Multiple ChoiceWhich report provides information about the allocation and utilization of storage infrastructure?Capacity PlanningConfiguration and Asset ManagementChargebackService Management
- 27. Multiple ChoiceWhich component of an archiving solution is responsible for scanning data that can be archived based on a policy?Archiving serverArchiving policy serverArchiving storage deviceArchiving agent
- 28. Multiple Choice
What describes a hybrid cloud?
Combination of two distinct cloud infrastructures (on-premise and externally-hosted) that are managed together
Composed of distinct clouds that are bound together by standardized or proprietary technology
Composed of two or more distinct data centers that enable data and application portability
Combination of a private cloud and a public cloud that are owned, managed, and operated by a single organization
- 29. Multiple ChoiceWhat is a requirement for a native iSCSI implementation?Host with an iSCSI HBA and an array with an iSCSI portHost with a NIC and an array with an FCoE portHost with iSCSI initiator software and an array with an FCIP portHost with an iSCSI HBA and an array with an FC port
- 30. Multiple ChoiceIn addition to applications and databases, what are the other core elements of a data center infrastructure?JBOD, networks, and storage arraysServers/operating systems, DAS, and NASServers/operating systems, networks, and storage arraysServers/operating systems, SAN, and JBOD
- 31. Multiple ChoiceWhy does a restore operation need to communicate with the backup server?Determine the RTO of the backup save setRun the restore automatically according to a scheduleDetermine the RPO of the backup save setLocate the data to be restored using the backup catalog
- 32. Multiple ChoiceWhich data protection technology provides the highest degree of protection against logical corruption and a near-zero RPO?CDPMirroringBackup-to-diskSnapshots with CoFW
- 33. Multiple ChoiceWhich remote replication solution has the highest bandwidth requirements?Array-based disk bufferedHost-based asynchronous LVM mirroringArray-based synchronousLog shipping over IP networks
- 34. Multiple ChoiceIn a Fibre Channel (FC) SAN, which protocol implementation is used?FC over iSCSISCSI over FCSCSI over FCoEFC over SCSI
- 35. Multiple ChoiceWhich NAS backup environment transfers data to be backed up over a private backup network?NDMP two-wayServer-basedServerlessNDMP three-way
- 36. Multiple ChoiceWhich three subject areas, taken together, define storage security?Information, networking, and storageAccess control, storage, and encryptionAccess control, information, and networkingApplication, management, and backup
- 37. Multiple Choice
In the context of information security, which attribute other than individual identity and group membership can be used to restrict unauthorized access?
Role
Cryptography
World Wide Name
Host network address
- 38. Multiple ChoiceWhat is a characteristic of an active/passive storage array configuration?Read and write I/Os are performed only through the controller that manages the LUNHost can perform I/Os to its LUNs through any of the available controllersRead and write I/Os are performed only through active cachePassive array is used for backup; active array is used for production data
- 39. Multiple ChoiceAn eight-disk RAID 6 set has a stripe size of 192 KB. What is the stripe depth?24 KB32 KB48 KB64 KB
- 40. Multiple ChoiceWhat is a key benefit of RAID 5 compared to RAID 1+0 for small, random I/Os?Higher availabilityImproved storage space utilizationImproved write performanceFaster rebuild times after failure
- 41. Multiple ChoiceWhat is a characteristic of asynchronous remote replication?Replica will be behind the source by at least the size of the bufferA near-zero RPO disaster recovery solutionWrite must be committed at the target before being acknowledged as completeDeployed only for distances within 200 km between two sites
- 42. Multiple ChoiceWhat is a characteristic of triangle/multitarget replication?Failover can occur to either of the two remote sitesDistance between all sites must be less than 125 kmBunker site must be in sync with the remote site at all timesOnly the production site is available during normal operations
- 43. Multiple ChoiceWhat is a characteristic of cloud-optimized storage?Secure multitenancySingle access mechanismServer-centricNative source-based deduplication
- 44. Multiple Choice
In what way does an integrated NAS solution differ from a Gateway NAS solution?
Integrated NAS manages storage devices through NAS software. Gateway NAS relies on storage array management software to manage storage devices.
Integrated NAS allows both file and block level access to the clients. Gateway NAS allows only block level access to the clients.
Integrated NAS utilizes specialized operating systems. Gateway NAS utilizes generic operating systems.
Integrated NAS uses Fibre Channel disks only. Gateway NAS uses both Fibre Channel and SATA disks.
- 45. Multiple ChoiceWhat is the name of the drive sub-assembly which contains the platters and read/write heads?ATASATAHDAIDE
- 46. Multiple ChoiceWhy would an iSCSI solution be implemented?All storage arrays supply GigE portsBlock storage over IP is much faster than FCiSCSI HBAs are inexpensiveLeverage existing IP network infrastructures
- 47. Multiple ChoiceWhich two mechanisms address threats of elevating user privileges in the application access domain?Authentication and authorizationAccess control to storage objects and Access Control Lists (ACLs)Access control to storage objects and auditingUser authentication and Information Rights Management (IRM)
- 48. Multiple ChoiceA customer has an existing SAN environment. The customer wants to add NAS to share the storage space. Which solution is most appropriate?Gateway NASScale-out NASFCoE SANIP SAN
- 49. Multiple ChoiceWhat is characteristic of a virtual tape library?Uses disk drives as backup mediaRequires changes on the backup softwareA virtual tape cannot span multiple LUNsUses a special mechanism to address the 'shoe-shining' effect
- 50. Multiple ChoiceWhat is a characteristic of Big Data?Structured data generated by a single sourceOnly unstructured data generated by multiple sourcesStructured and unstructured data generated by a single sourceStructured and unstructured data generated by multiple sources
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