Rigoberto Franco
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Una buena practica para la certificación 1

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Rigoberto Franco
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Question 1 of 109

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?

Select one of the following:

  • LRU

  • HWM

  • LWM

  • MRU

Explanation

Question 2 of 109

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?

Select one of the following:

  • LRU

  • HWM

  • LWM

  • MRU

Explanation

Question 3 of 109

1

What does the area ID of the FC address identify?

Select one of the following:

  • Group of ports within a switch

  • An individual port within a fabric

  • Location of the name server within the fabric

  • Unique number provided to each switch in the fabric

Explanation

Question 4 of 109

1

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?

Select one of the following:

  • Source devices must be healthy

  • Save location size must be larger than the size of all source devices

  • Save location size must be equal to the size of all source devices

  • All changes to the source and replica must be discarded before the restore starts

Explanation

Question 5 of 109

1

Which host component eliminates the need to deploy separate adapters for FC and Ethernet communications?

Select one of the following:

  • Converged network adapter

  • TCP Offload Engine NIC

  • FCIP bridging adapter

  • iSCSI host bus adapter

Explanation

Question 6 of 109

1

What is a function of unified management software in cloud computing?

Select one of the following:

  • Defining cloud service attributes

  • Consolidating infrastructure resources scattered across one or more data centers

  • Metering based on usage of resources by the consumer

  • Providing an interface to consumers to request cloud services

Explanation

Question 7 of 109

1

Which host component eliminates the need to deploy separate adapters for FC and Ethernet communications?

Select one of the following:

  • Converged network adapter

  • TCP Offload Engine NIC

  • FCIP bridging adapter

  • iSCSI host bus adapter

Explanation

Question 8 of 109

1

Which iSCSI name requires an organization to own a registered domain name?

Select one of the following:

  • IQN

  • EUI

  • WWNN

  • WWPN

Explanation

Question 9 of 109

1

Which data center requirement refers to applying mechanisms that ensure data is stored and retrieved as it was received?

Select one of the following:

  • Integrity

  • Availability

  • Security

  • Performance

Explanation

Question 10 of 109

1

What describes a landing zone in a disk drive?

Select one of the following:

  • Area on which the read/write head rests

  • Area where the read/write head lands to access data

  • Area where the data is buffered before writing to platters

  • Area where sector-specific information is stored on the disk

Explanation

Question 11 of 109

1

What is a characteristic of unified storage?

Select one of the following:

  • Supports multiple protocols for data access and managed through a single management interface

  • Supports a common protocol for data access and managed through a unified management interface

  • Provides compute, storage, and network virtualization products in one solution

  • Stores all data in the form of objects and managed through a unified management interface

Explanation

Question 12 of 109

1

What defines the time taken to position the read/write head across the platter with a radial movement in a disk drive?

Select one of the following:

  • eek time

  • Rotational latency

  • Data transfer time

  • Service time

Explanation

Question 13 of 109

1

What is a benefit of cloud computing over traditional computing?

Select one of the following:

  • Reduces the time to provision and deploy new applications

  • Eliminates consumer’s IT operational expenditure

  • Enables the use of proprietary APIs to access IT resources

  • Lowers migration cost and prevents vendor lock-in

Explanation

Question 14 of 109

1

Which statement describes a denial of service attack?

Select one of the following:

  • Prevents authorized users from accessing the resources and services

  • Prohibits attempts to repair the resources and services after an attack

  • Attempts to provide false information by impersonating someone’s identity

  • Prevents unauthorized users to access the resources and services

Explanation

Question 15 of 109

1

What is a key benefit of virtualization?

Select one of the following:

  • Improved resource utilization

  • Improved performance

  • Enhanced interoperability

  • Unlimited resource scaling

Explanation

Question 16 of 109

1

What is an accurate statement about the Data Center Bridging Exchange protocol?

Select one of the following:

  • Enables Converged Enhanced Ethernet (CEE) devices to convey and configure their features with other CEE devices

  • Creates virtual FCoE links over an existing Ethernet network to transport FC frames over virtual links independently

  • Enables an FCoE switch to send signals to other FCoE switches that need to stop or slow down their transmissions

  • Enables an FCoE switch to transport both TCP/IP and FC frames over a single virtual FCoE link

Explanation

Question 17 of 109

1

What is a key security consideration when a NAS device enables sharing of the same data among UNIX and Microsoft Windows users?

Select one of the following:

  • NAS device must map UNIX permissions to Windows and vice versa

  • NAS defines and maintains ownership to the objects

  • NIS server must separately maintain SIDs for UNIX and Windows environments

  • Object permissions are not defined in advance and assigned dynamically

Explanation

Question 18 of 109

1

Which cloud computing characteristic enables consumers to grow and shrink the demand for resources dynamically?

Select one of the following:

  • Rapid elasticity

  • Resource pooling

  • Measured service

  • On-demand self-service

Explanation

Question 19 of 109

1

Which operation is performed while creating a VM snapshot?

Select one of the following:

  • Create a delta file to record changes to the virtual disk since the session is activated

  • Capture the configuration data of a VM to create an identical copy of the VM

  • Create a journal volume to update changes to the snapshot

  • Create a “Gold” copy of the snapshot before copying changes to the virtual disk

Explanation

Question 20 of 109

1

Which cloud computing capability enables monitoring and reporting resource usage?

Select one of the following:

  • Metering

  • Pooling

  • Self-service requesting

  • Publishing

Explanation

Question 21 of 109

1

In the context of protecting the FC SAN infrastructure, what is an example of infrastructure integrity?

Select one of the following:

  • Preventing node login to the fabric without proper authorization

  • Implementing iSNS discovery domains

  • Implementing an FSPF algorithm to create a virtual SAN

  • Not permitting physical segmentation of nodes

Explanation

Question 22 of 109

1

What is true about parity-based RAID?

Select one of the following:

  • Parity is updated each time a write is performed

  • Parity is read each time a read is performed

  • Parity is updated only when writes fill a stripe

  • Parity is updated each time when both reads and writes are performed

Explanation

Question 23 of 109

1

What is an accurate statement about a gateway NAS solution?

Select one of the following:

  • NAS head and storage are managed independently

  • Consolidates file-level and block-level access on a single storage platform

  • Provides integrated management for both NAS head and storage

  • Creates a single file system that runs on all NAS heads

Explanation

Question 24 of 109

1

What is prevented using RAID technology?

Select one of the following:

  • Data loss

  • Host Bus Adapter failures

  • Security breach

  • Switch failure

Explanation

Question 25 of 109

1

Which process minimizes the exposure to a loss of uncommitted cached data when there is a power failure?

Select one of the following:

  • Cache vaulting

  • Cache mirroring

  • Low watermarking

  • Prefetching

Explanation

Question 26 of 109

1

What are the three elements of the risk triad from an information security perspective?

Select one of the following:

  • Assets, threats, and vulnerabilities

  • Actions, threats, and vulnerabilities

  • Assets, threats, and countermeasures

  • Assets, countermeasures, and vulnerabilities

Explanation

Question 27 of 109

1

Which cloud computing characteristic enables consumers to request resources using a service catalog through a web-based user interface?

Select one of the following:

  • On-demand self-service

  • Broad network access

  • Metered services

  • Catalog management

Explanation

Question 28 of 109

1

What is a purpose for distributing Switch Registered State Change Notifications (SW-RSCNs) in a fabric?

Select one of the following:

  • Updates the name server on all switches in the fabric

  • Stops or slows down transmissions from other switches in the fabric

  • Distributes configuration values and congestion notifications across the fabric

  • Exchanges requests for change notifications among distributed management servers

Explanation

Question 29 of 109

1

In the Fibre Channel protocol, what are functions of the FC-1 layer?

Select one of the following:

  • Encoding and decoding

  • Routing and flow control

  • Interface mapping and flow control

  • Transmission of raw bits and encoding

Explanation

Question 30 of 109

1

What is a security implementation in NAS environments?

Select one of the following:

  • Kerberos

  • Port binding

  • S_ID Lockdown

  • FC-SP

Explanation

Question 31 of 109

1

In an FC SAN environment, what is a benefit of zoning?

Select one of the following:

  • Restricts RSCN traffic

  • Isolates fabric services

  • Enables online volume expansion

  • Provides non-disruptive data migration

Explanation

Question 32 of 109

1

What is the RAID 5 write penalty for random, small write I/Os?

Select one of the following:

  • 1

  • 2

  • 4

  • 6

Explanation

Question 33 of 109

1

Which EMC block-level storage virtualization product enables hosts from two different data centers to access a single copy of data?

Select one of the following:

  • VMAX

  • VPLEX

  • VNX

  • Vblock

Explanation

Question 34 of 109

1

Which EMC product enables VNX array-based remote replication from a primary volume to a secondary volume residing on a different VNX storage system?

Select one of the following:

  • SnapView

  • RepliStor

  • SRDF

  • MirrorView

Explanation

Question 35 of 109

1

A customer has a requirement to perform a backup each night. However, the customer has a limited amount of time for backups to run on week nights, Monday through Friday evenings.
Which backup granularity type is recommended to meet the backup window for those nights?

Select one of the following:

  • Incremental

  • Cumulative

  • Full

  • Differential

Explanation

Question 36 of 109

1

What is a characteristic of a scale-out NAS?

Select one of the following:

  • Up to four file systems can be created across the cluster

  • File system grows dynamically as nodes are added in the cluster

  • Distinct file systems are created on each node in the cluster

  • Different file systems can be mixed on each node in a single cluster

Explanation

Question 37 of 109

1

In a Microsoft Windows file sharing environment, what is a function of system access control lists (SACL)?

Select one of the following:

  • Determines object access information that needs to be audited

  • Provides information on system access troubleshooting

  • Uniquely identifies objects, users, and user groups

  • Provides path name to access both inbound and outbound traffic

Explanation

Question 38 of 109

1

What is an advantage of synchronous remote replication compared to other remote replication methods?

Select one of the following:

  • Near zero RTO

  • Near zero RPO

  • No distance limitation

  • Faster response time

Explanation

Question 39 of 109

1

What is an advantage of sub-LUN tiering?

Select one of the following:

  • Improved performance

  • Enhanced reliability and availability

  • Dynamic expansion of storage capacity

  • Faster provisioning of thin LUNs

Explanation

Question 40 of 109

1

Which fabric service is responsible for managing and distributing Registered State Change Notifications (RSCNs) to attached node ports?

Select one of the following:

  • Name server

  • Fabric controller

  • Fabric login server

  • Management server

Explanation

Question 41 of 109

1

Which SAN security mechanism will prevent a switch port from being enabled even after a switch reboot?

Select one of the following:

  • Persistent Port Disable

  • Port Binding

  • Port Lockdown

  • Persistent Switch Disable

Explanation

Question 42 of 109

1

What does a block map contain in a file system snapshot?

Select one of the following:

  • Original data when a write is issued to the target for the first time

  • Blocks that have changed since the creation of the snapshot

  • Address from which data is to be read when accessing the snapshot

  • Blocks that have been modified in either the source or the target

Explanation

Question 43 of 109

1

What describes a full mesh topology?

Select one of the following:

  • All switches are directly connected to each other

  • Consists of core and edge switch tiers

  • Requires four switches

  • Requires two ISL hops for host to storage traffic

Explanation

Question 44 of 109

1

What is a characteristic of pointer-based virtual replication?

Select one of the following:

  • Replica device is at least as large as the source device

  • Replica is immediately available after activation of a replication session

  • Replica is available only after detachment from the source

  • Source does not need to be healthy for the restore

Explanation

Question 45 of 109

1

When using the image-based backup approach to backup a virtual machine, where does the backup client run?

Select one of the following:

  • Proxy server

  • Hypervisor

  • Virtual machine

  • Backup device

Explanation

Question 46 of 109

1

Which NAS implementation consolidates file-based and block-based access on a single storage platform?

Select one of the following:

  • Unified

  • Scale-out

  • Gateway

  • Integrated

Explanation

Question 47 of 109

1

Which data deduplication method increases the chance of identifying duplicate data even when there is only a minor difference between two documents?

Select one of the following:

  • Variable-length segment

  • Single-instance

  • File level

  • Fixed-block

Explanation

Question 48 of 109

1

Which operation is performed by an FCoE switch when it receives a frame with an FCoE Ethertype?

Select one of the following:

  • Switch recognizes that the frame contains an FC payload and forwards it to the FC Forwarder

  • Switch recognizes the frame as Ethernet and forwards it to the Ethernet bridge

  • Switch recognizes the frame as FCoE and forwards it to the Ethernet bridge

  • Switch recognizes that the frame contains an Ethernet payload and forwards it to the FC Forwarder

Explanation

Question 49 of 109

1

What is a key advantage of data striping across multiple disks as compared to a single disk?

Select one of the following:

  • Performance

  • Space utilization

  • Protection

  • Capacity

Explanation

Question 50 of 109

1

Which EMC product is a disk-based backup and recovery solution and provides source-based data deduplication?

Select one of the following:

  • Avamar

  • Data Domain

  • NetWorker

  • SourceOne

Explanation

Question 51 of 109

1

When a service is described as “three 9s available”, what is the approximate amount of downtime allowed per week?

Select one of the following:

  • 10 seconds

  • 10 minutes

  • 10 Day

  • 10 Hrs

Explanation

Question 52 of 109

1

What is a characteristic of an FC-SW implementation?

Select one of the following:

  • Provides a dedicated path between nodes

  • Nodes arbitrate to gain control of the data path to transfer data

  • Only one node can perform an I/O operation at a time

  • Supports up to 126 nodes

Explanation

Question 53 of 109

1

Which functionality is offered by user access management software?

Select one of the following:

  • Enables a user to create VMs and allocate them to CPU, memory, and storage capacity

  • Provides a user interface to browse the service catalog and request cloud services

  • Provides a user interface to view a consolidated view of existing physical and virtual infrastructures across data centers

  • Allows a user to monitor performance, capacity, and availability of physical and virtual resources centrally

Explanation

Question 54 of 109

1

What are the key components of an intelligent storage system?

Select one of the following:

  • Front-end, cache, back-end, and physical disks

  • Host, connectivity, back-end, and storage array

  • Switch, ports, back-end, and physical disks

  • Host, LUNs, cache, and physical disks

Explanation

Question 55 of 109

1

A customer requires additional storage capacity. The storage expansion must be fast and performance is not a constraint. What is the most appropriate LUN expansion method?

Select one of the following:

  • Concatenated metaLUN

  • Striped metaLUN

  • Base LUN

  • Component LUN

Explanation

Question 56 of 109

1

Which iSCSI discovery mechanism requires manual configuration of the initiator with the target’s network portal?

Select one of the following:

  • SendTargets discovery

  • iSCSI service location discovery

  • Internet Storage Name Service

  • iSCSI domain name discovery

Explanation

Question 57 of 109

1

What is a characteristic of asynchronous remote replication?

Select one of the following:

  • Writes are committed to the target before being committed to the source

  • Only the last update is transmitted if there are multiple writes to the same location in the buffer

  • Reads are always serviced from the target replica

  • Distance between the two sites is restricted to less than 200 km

Explanation

Question 58 of 109

1

What is a characteristic of Big Data?

Select one of the following:

  • Structured and unstructured data generated by multiple sources

  • Structured data generated by a single source

  • Only unstructured data generated by multiple sources

  • Structured and unstructured data generated by a single source

Explanation

Question 59 of 109

1

A stripe depth of 64 KB has been assigned to a five-disk RAID 0 set. What is the stripe size?

Select one of the following:

  • 64 KB

  • 128 KB

  • 256 KB

  • 320 KB

Explanation

Question 60 of 109

1

A user tries to update the content of a file stored on a CAS system. What is the result of this operation?

Select one of the following:

  • CAS generates a new address for the altered content and stores it as a new object

  • CAS uses the same content address for the altered content and the original content

  • CAS overwrites the original content and generates a new content address

  • CAS overwrites the original content but the content address is preserved

Explanation

Question 61 of 109

1

Which EMC product provides target-based deduplication?

Select one of the following:

  • Data Domain

  • Avamar

  • NetWorker

  • RecoverPoint

Explanation

Question 62 of 109

1

What are the two mechanisms that can be employed to address threats of user identity spoofing?

Select one of the following:

  • Access Control Lists (ACLs) and access control to storage objects

  • User authentication and user authorization

  • Access control to storage objects and auditing

  • User authentication and Information Rights Management (IRM)

Explanation

Question 63 of 109

1

What is the function of enhanced transmission selection in an FCoE environment?

Select one of the following:

  • Provides available bandwidth to other classes of traffic when a particular class of traffic does not use its allocated bandwidth

  • Provides the capability to independently pause transmission of FCoE frames over each virtual link

  • Enables an FCoE switch to send a signal to other FCoE switches that need to stop or slow down their transmissions

  • Allows an FCoE switch to distribute configuration parameters to the converged network adapters

Explanation

Question 64 of 109

1

Which benefit is provided by EMC PowerPath?

Select one of the following:

  • Dynamic load balancing

  • Deduplication of network traffic

  • Multiplexing host traffic

  • Segmentation of fabric to create VSANs

Explanation

Question 65 of 109

1

In a CAS environment, what is used to generate a content address?

Select one of the following:

  • Binaries of the data

  • Combination of data and metadata of the object

  • Location of the object

  • Object metadata

Explanation

Question 66 of 109

1

Which iSCSI naming feature uses a 16-character hexadecimal string?

Select one of the following:

  • EUI

  • IQN

  • iSNS

  • ARP

Explanation

Question 67 of 109

1

What describes a repudiation attack?

Select one of the following:

  • An attempt to compromise accountability goals of the security

  • Stealing a private key to decrypt the data-in-transit

  • Unauthorized access to information to compromise confidentiality

  • A series of repetitive attacks to the physical information infrastructure

Explanation

Question 68 of 109

1

A department within an organization requires 200 GB of storage for their business application. The production LUN is RAID 1+0 protected and has a local and remote replica. The local replica is on a RAID 1 LUN and the remote replica is on a five-disk RAID 5 LUN.
If the cost per GB of storage is $2.00, what is the chargeback cost to the department for application storage?

Select one of the following:

  • $1050

  • $1500

  • $2100

  • $2900

Explanation

Question 69 of 109

1

A department within an organization requires 200 GB of storage for their business application. The production LUN is RAID 1+0 protected and has a local and remote replica. The local replica is on a RAID 1 LUN and the remote replica is on a five-disk RAID 5 LUN.
If the cost per GB of storage is $2.00, what is the chargeback cost to the department for application storage?

Select one of the following:

  • $1050

  • $1500

  • $2100

  • $2900

Explanation

Question 70 of 109

1

What is a characteristic of an FC-AL implementation?

Select one of the following:

  • Reserves one address for connecting an FC-SW port

  • Supports connectivity up to 15 million nodes

  • Devices can be added and removed dynamically without any impact

  • Requires at least one connectivity device

Explanation

Question 71 of 109

1

Which iSCSI host connectivity option is recommended in a CPU-intensive application environment?

Select one of the following:

  • NIC with software-based iSCSI initiator

  • TCP offload engine

  • iSCSI HBA

  • Converged Network Adapter

Explanation

Question 72 of 109

1

What is a characteristic of an enterprise flash drive?

Select one of the following:

  • Uses semiconductor-based solid state media

  • Performs data search and retrieval sequentially

  • Performs rotational speed at more than 30000 rpm

  • Writes once and reads many

Explanation

Question 73 of 109

1

What defines the time taken to position the sector on the platter under the read/write head?

Select one of the following:

  • Seek time

  • Rotational delay

  • Response time

  • Data transfer rate

Explanation

Question 74 of 109

1

What is true about cache dirty page?

Select one of the following:

  • Data that has changed but is not yet written to disk

  • Data read from disk but not accessed by the host

  • Data that has changed and has been written to disk

  • Data requested by the host but not yet fetched

Explanation

Question 75 of 109

1

As 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?

Select one of the following:

  • Role-based access control

  • Access control lists

  • VSAN

  • Zoning

Explanation

Question 76 of 109

1

Which operation is performed by a scale-out NAS when it receives a large write I/O from its clients?

Select one of the following:

  • I/O is striped across multiple nodes for processing

  • I/O is sent to the high performance node in the cluster for processing

  • A new node is dynamically added to the cluster to process the I/O

  • I/O is sent to the high storage capacity node in the cluster for processing

Explanation

Question 77 of 109

1

When developing a disaster recovery plan, what is the result of choosing a particular recovery time objective for a system?

Select one of the following:

  • Determines the type and location of the backup media

  • Determines how often to take a backup of the system

  • Determines how long to retain backup copies

  • Determines how many transaction logs should be backed up

Explanation

Question 78 of 109

1

Which operation writes data in cache, and immediately to disk, before sending an acknowledgement to the host?

Select one of the following:

  • Write-through cache

  • Write-back cache

  • Write aside cache

  • Write cache vaulting

Explanation

Question 79 of 109

1

What is a benefit of WWN zoning over port zoning?

Select one of the following:

  • 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 replacement of its HBAs, maintains connectivity to its zone partners without the need to 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 fabric, maintains connectivity to its zone partners without the need to modify the zoning configuration.

Explanation

Question 80 of 109

1

A department conducts business, Monday through Saturday from 9 A.M. to 5 P.M. each day. The department takes in revenue on an average of $500,000 per week. Employee salaries are approximately $5,000 per week. The department requires the use of a computer system with an RPO of 2 hours and an RTO of 4 hours.
To determine the business impact of downtime, what is the average cost of downtime per hour of the business

Select one of the following:

  • $10,417

  • $10,521

  • $11,105

  • $12,024

Explanation

Question 81 of 109

1

In Kerberos authentication, what is a role of the Active Directory?

Select one of the following:

  • Verifies the user’s login information

  • Implements the Authentication service and Ticket Granting service

  • Verifies the session ID when the client-server session is established

  • Maintains the access control list in a keytab file

Explanation

Question 82 of 109

1

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?

Select one of the following:

  • Virtual LAN

  • Virtual SAN

  • Fabric binding

  • Port binding

Explanation

Question 83 of 109

1

Which data center characteristic refers to the capability to grow resources without impacting business operations?

Select one of the following:

  • Scalability

  • Security

  • Availability

  • Performance

Explanation

Question 84 of 109

1

What is an advantage of reporting on storage arrays?

Select one of the following:

  • Planning for capacity

  • Monitoring the number of arrays

  • Monitoring the number of disks in a RAID group

  • Planning for storage groups

Explanation

Question 85 of 109

1

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?

Select one of the following:

  • iSCSI gateway

  • FCIP bridge

  • FC gateway

  • IP router

Explanation

Question 86 of 109

1

What is a benefit of virtual storage provisioning over traditional provisioning?

Select one of the following:

  • Enables more efficient allocation of storage to hosts

  • Can be used for applications that require predictable performance

  • Provides full control for precise data placement

  • Does not enable oversubscription

Explanation

Question 87 of 109

1

Can be used for applications that require predictable performance

Select one of the following:

  • Cloud infrastructure package

  • Block-based storage device

  • SMI specification

  • Virtual tape library

Explanation

Question 88 of 109

1

Which report provides information about the allocation and utilization of storage infrastructure components by various departments or user groups?

Select one of the following:

  • Capacity Planning

  • Chargeback

  • Configuration and Asset Management

  • Service Management

Explanation

Question 89 of 109

1

Which component of an archiving solution is responsible for scanning data that can be archived based on a policy?

Select one of the following:

  • Archiving agent

  • Archiving server

  • Archiving policy server

  • Archiving storage device

Explanation

Question 90 of 109

1

What describes a hybrid cloud?

Select one of the following:

  • 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

Explanation

Question 91 of 109

1

What is a requirement for a native iSCSI implementation?

Select one of the following:

  • Host with an iSCSI HBA and an array with an iSCSI port

  • Host with a NIC and an array with an FCoE port

  • Host with iSCSI initiator software and an array with an FCIP port

  • Host with an iSCSI HBA and an array with an FC port

Explanation

Question 92 of 109

1

In addition to applications and databases, what are the other core elements of a data center infrastructure?

Select one of the following:

  • JBOD, networks, and storage arrays

  • Servers/operating systems, DAS, and NAS

  • Servers/operating systems, networks, and storage arrays

  • Servers/operating systems, SAN, and JBOD

Explanation

Question 93 of 109

1

Why does a restore operation need to communicate with the backup server?

Select one of the following:

  • Locate the data to be restored using the backup catalog

  • Determine the RTO of the backup save set

  • Run the restore automatically according to a schedule

  • Determine the RPO of the backup save set

Explanation

Question 94 of 109

1

Which data protection technology provides the highest degree of protection against logical corruption and a near-zero RPO?

Select one of the following:

  • CDP

  • Mirroring

  • Backup-to-disk

  • Snapshots with CoFW

Explanation

Question 95 of 109

1

Which remote replication solution has the highest bandwidth requirements?

Select one of the following:

  • Array-based disk buffered

  • Array-based synchronous

  • Host-based asynchronous LVM mirroring

  • Log shipping over IP networks

Explanation

Question 96 of 109

1

In a Fibre Channel (FC) SAN, which protocol implementation is used?

Select one of the following:

  • SCSI over FC

  • SCSI over FCoE

  • FC over iSCSI

  • FC over SCSI

Explanation

Question 97 of 109

1

Which NAS backup environment transfers data to be backed up over a private backup network?

Select one of the following:

  • NDMP three-way

  • NDMP two-way

  • Server-based

  • Serverless

Explanation

Question 98 of 109

1

Which three subject areas, taken together, define storage security?

Select one of the following:

  • Information, networking, and storage

  • Access control, storage, and encryption

  • Access control, information, and networking

  • Application, management, and backup

Explanation

Question 99 of 109

1

If a disk drive’s rotational speed is 10000 revolutions per minute, what is its average rotational latency?

Select one of the following:

  • 0.003 milliseconds

  • 0.05 milliseconds

  • 3 milliseconds

  • 5 milliseconds

Explanation

Question 100 of 109

1

In the context of information security, which attribute other than individual identity and group membership can be used to restrict unauthorized access?

Select one of the following:

  • Role

  • Cryptography

  • World Wide Name

  • Host network address

Explanation

Question 101 of 109

1

What is a characteristic of an active/passive storage array configuration?

Select one of the following:

  • Host can perform I/Os to its LUNs through any of the available controllers

  • Read and write I/Os are performed only through the controller that manages the LUN

  • Read and write I/Os are performed only through active cache

  • Passive array is used for backup; active array is used for production data

Explanation

Question 102 of 109

1

An eight-disk RAID 6 set has a stripe size of 192 KB. What is the stripe depth?

Select one of the following:

  • 24 KB

  • 32 KB

  • 48 KB

  • 64 KB

Explanation

Question 103 of 109

1

What is a key benefit of RAID 5 compared to RAID 1+0 for small, random I/Os?

Select one of the following:

  • Improved storage space utilization

  • Improved write performance

  • Higher availability

  • Faster rebuild times after failure

Explanation

Question 104 of 109

1

What is a characteristic of asynchronous remote replication?

Select one of the following:

  • A near-zero RPO disaster recovery solution

  • Write must be committed at the target before being acknowledged as complete

  • Deployed only for distances within 200 km between two sites

  • Replica will be behind the source by at least the size of the buffer

Explanation

Question 105 of 109

1

What is a characteristic of triangle/multitarget replication?

Select one of the following:

  • Failover can occur to either of the two remote sites

  • Distance between all sites must be less than 125 km

  • Bunker site must be in sync with the remote site at all times

  • Only the production site is available during normal operations

Explanation

Question 106 of 109

1

What is a characteristic of cloud-optimized storage?

Select one of the following:

  • Single access mechanism

  • Secure multitenancy

Explanation

Question 107 of 109

1

What is the name of the drive sub-assembly which contains the platters and read/write heads?

Select one of the following:

  • ATA

  • SATA

  • HDA

  • IDE

Explanation

Question 108 of 109

1

Which two mechanisms address threats of elevating user privileges in the application access domain?

Select one of the following:

  • Access control to storage objects and Access Control Lists (ACLs)

  • Authentication and authorization

  • Access control to storage objects and auditing

  • User authentication and Information Rights Management (IRM)

Explanation

Question 109 of 109

1

A customer has an existing SAN environment. The customer wants to add NAS to share the storage space. Which solution is most appropriate?

Select one of the following:

  • Scale-out NAS

  • Gateway NAS

  • FCoE SAN

  • IP SAN

Explanation

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