Tests 1

Questão 1 de 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?

Selecione uma das seguintes:

LRU
HWM
LWM
MRU

Explicação

Questão 2 de 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?

Selecione uma das seguintes:

LRU
HWM
LWM
MRU

Explicação

Questão 3 de 109

1

What does the area ID of the FC address identify?

Selecione uma das seguintes:

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

Explicação

Questão 4 de 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?

Selecione uma das seguintes:

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

Explicação

Questão 5 de 109

1

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

Selecione uma das seguintes:

Converged network adapter
TCP Offload Engine NIC
FCIP bridging adapter
iSCSI host bus adapter

Explicação

Questão 6 de 109

1

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

Selecione uma das seguintes:

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

Explicação

Questão 7 de 109

1

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

Selecione uma das seguintes:

Converged network adapter
TCP Offload Engine NIC
FCIP bridging adapter
iSCSI host bus adapter

Explicação

Questão 8 de 109

1

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

Selecione uma das seguintes:

IQN
EUI
WWNN
WWPN

Explicação

Questão 9 de 109

1

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

Selecione uma das seguintes:

Integrity
Availability
Security
Performance

Explicação

Questão 10 de 109

1

What describes a landing zone in a disk drive?

Selecione uma das seguintes:

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

Explicação

Questão 11 de 109

1

What is a characteristic of unified storage?

Selecione uma das seguintes:

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

Explicação

Questão 12 de 109

1

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

Selecione uma das seguintes:

eek time
Rotational latency
Data transfer time
Service time

Explicação

Questão 13 de 109

1

What is a benefit of cloud computing over traditional computing?

Selecione uma das seguintes:

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

Explicação

Questão 14 de 109

1

Which statement describes a denial of service attack?

Selecione uma das seguintes:

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

Explicação

Questão 15 de 109

1

What is a key benefit of virtualization?

Selecione uma das seguintes:

Improved resource utilization
Improved performance
Enhanced interoperability
Unlimited resource scaling

Explicação

Questão 16 de 109

1

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

Selecione uma das seguintes:

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

Explicação

Questão 17 de 109

1

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

Selecione uma das seguintes:

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

Explicação

Questão 18 de 109

1

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

Selecione uma das seguintes:

Rapid elasticity
Resource pooling
Measured service
On-demand self-service

Explicação

Questão 19 de 109

1

Which operation is performed while creating a VM snapshot?

Selecione uma das seguintes:

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

Explicação

Questão 20 de 109

1

Which cloud computing capability enables monitoring and reporting resource usage?

Selecione uma das seguintes:

Metering
Pooling
Self-service requesting
Publishing

Explicação

Questão 21 de 109

1

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

Selecione uma das seguintes:

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

Explicação

Questão 22 de 109

1

What is true about parity-based RAID?

Selecione uma das seguintes:

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

Explicação

Questão 23 de 109

1

What is an accurate statement about a gateway NAS solution?

Selecione uma das seguintes:

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

Explicação

Questão 24 de 109

1

What is prevented using RAID technology?

Selecione uma das seguintes:

Data loss
Host Bus Adapter failures
Security breach
Switch failure

Explicação

Questão 25 de 109

1

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

Selecione uma das seguintes:

Cache vaulting
Cache mirroring
Low watermarking
Prefetching

Explicação

Questão 26 de 109

1

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

Selecione uma das seguintes:

Assets, threats, and vulnerabilities
Actions, threats, and vulnerabilities
Assets, threats, and countermeasures
Assets, countermeasures, and vulnerabilities

Explicação

Questão 27 de 109

1

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

Selecione uma das seguintes:

On-demand self-service
Broad network access
Metered services
Catalog management

Explicação

Questão 28 de 109

1

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

Selecione uma das seguintes:

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

Explicação

Questão 29 de 109

1

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

Selecione uma das seguintes:

Encoding and decoding
Routing and flow control
Interface mapping and flow control
Transmission of raw bits and encoding

Explicação

Questão 30 de 109

1

What is a security implementation in NAS environments?

Selecione uma das seguintes:

Kerberos
Port binding
S_ID Lockdown
FC-SP

Explicação

Questão 31 de 109

1

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

Selecione uma das seguintes:

Restricts RSCN traffic
Isolates fabric services
Enables online volume expansion
Provides non-disruptive data migration

Explicação

Questão 32 de 109

1

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

Selecione uma das seguintes:

1
2
4
6

Explicação

Questão 33 de 109

1

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

Selecione uma das seguintes:

VMAX
VPLEX
VNX
Vblock

Explicação

Questão 34 de 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?

Selecione uma das seguintes:

SnapView
RepliStor
SRDF
MirrorView

Explicação

Questão 35 de 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?

Selecione uma das seguintes:

Incremental
Cumulative
Full
Differential

Explicação

Questão 36 de 109

1

What is a characteristic of a scale-out NAS?

Selecione uma das seguintes:

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

Explicação

Questão 37 de 109

1

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

Selecione uma das seguintes:

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

Explicação

Questão 38 de 109

1

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

Selecione uma das seguintes:

Near zero RTO
Near zero RPO
No distance limitation
Faster response time

Explicação

Questão 39 de 109

1

What is an advantage of sub-LUN tiering?

Selecione uma das seguintes:

Improved performance
Enhanced reliability and availability
Dynamic expansion of storage capacity
Faster provisioning of thin LUNs

Explicação

Questão 40 de 109

1

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

Selecione uma das seguintes:

Name server
Fabric controller
Fabric login server
Management server

Explicação

Questão 41 de 109

1

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

Selecione uma das seguintes:

Persistent Port Disable
Port Binding
Port Lockdown
Persistent Switch Disable

Explicação

Questão 42 de 109

1

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

Selecione uma das seguintes:

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

Explicação

Questão 43 de 109

1

What describes a full mesh topology?

Selecione uma das seguintes:

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

Explicação

Questão 44 de 109

1

What is a characteristic of pointer-based virtual replication?

Selecione uma das seguintes:

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

Explicação

Questão 45 de 109

1

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

Selecione uma das seguintes:

Proxy server
Hypervisor
Virtual machine
Backup device

Explicação

Questão 46 de 109

1

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

Selecione uma das seguintes:

Unified
Scale-out
Gateway
Integrated

Explicação

Questão 47 de 109

1

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

Selecione uma das seguintes:

Variable-length segment
Single-instance
File level
Fixed-block

Explicação

Questão 48 de 109

1

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

Selecione uma das seguintes:

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

Explicação

Questão 49 de 109

1

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

Selecione uma das seguintes:

Performance
Space utilization
Protection
Capacity

Explicação

Questão 50 de 109

1

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

Selecione uma das seguintes:

Avamar
Data Domain
NetWorker
SourceOne

Explicação

Questão 51 de 109

1

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

Selecione uma das seguintes:

10 seconds
10 minutes
10 Day
10 Hrs

Explicação

Questão 52 de 109

1

What is a characteristic of an FC-SW implementation?

Selecione uma das seguintes:

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

Explicação

Questão 53 de 109

1

Which functionality is offered by user access management software?

Selecione uma das seguintes:

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

Explicação

Questão 54 de 109

1

What are the key components of an intelligent storage system?

Selecione uma das seguintes:

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

Explicação

Questão 55 de 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?

Selecione uma das seguintes:

Concatenated metaLUN
Striped metaLUN
Base LUN
Component LUN

Explicação

Questão 56 de 109

1

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

Selecione uma das seguintes:

SendTargets discovery
iSCSI service location discovery
Internet Storage Name Service
iSCSI domain name discovery

Explicação

Questão 57 de 109

1

What is a characteristic of asynchronous remote replication?

Selecione uma das seguintes:

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

Explicação

Questão 58 de 109

1

What is a characteristic of Big Data?

Selecione uma das seguintes:

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

Explicação

Questão 59 de 109

1

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

Selecione uma das seguintes:

64 KB
128 KB
256 KB
320 KB

Explicação

Questão 60 de 109

1

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

Selecione uma das seguintes:

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

Explicação

Questão 61 de 109

1

Which EMC product provides target-based deduplication?

Selecione uma das seguintes:

Data Domain
Avamar
NetWorker
RecoverPoint

Explicação

Questão 62 de 109

1

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

Selecione uma das seguintes:

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)

Explicação

Questão 63 de 109

1

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

Selecione uma das seguintes:

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

Explicação

Questão 64 de 109

1

Which benefit is provided by EMC PowerPath?

Selecione uma das seguintes:

Dynamic load balancing
Deduplication of network traffic
Multiplexing host traffic
Segmentation of fabric to create VSANs

Explicação

Questão 65 de 109

1

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

Selecione uma das seguintes:

Binaries of the data
Combination of data and metadata of the object
Location of the object
Object metadata

Explicação

Questão 66 de 109

1

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

Selecione uma das seguintes:

EUI
IQN
iSNS
ARP

Explicação

Questão 67 de 109

1

What describes a repudiation attack?

Selecione uma das seguintes:

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

Explicação

Questão 68 de 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?

Selecione uma das seguintes:

$1050
$1500
$2100
$2900

Explicação

Questão 69 de 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?

Selecione uma das seguintes:

$1050
$1500
$2100
$2900

Explicação

Questão 70 de 109

1

What is a characteristic of an FC-AL implementation?

Selecione uma das seguintes:

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

Explicação

Questão 71 de 109

1

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

Selecione uma das seguintes:

NIC with software-based iSCSI initiator
TCP offload engine
iSCSI HBA
Converged Network Adapter

Explicação

Questão 72 de 109

1

What is a characteristic of an enterprise flash drive?

Selecione uma das seguintes:

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

Explicação

Questão 73 de 109

1

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

Selecione uma das seguintes:

Seek time
Rotational delay
Response time
Data transfer rate

Explicação

Questão 74 de 109

1

What is true about cache dirty page?

Selecione uma das seguintes:

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

Explicação

Questão 75 de 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?

Selecione uma das seguintes:

Role-based access control
Access control lists
VSAN
Zoning

Explicação

Questão 76 de 109

1

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

Selecione uma das seguintes:

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

Explicação

Questão 77 de 109

1

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

Selecione uma das seguintes:

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

Explicação

Questão 78 de 109

1

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

Selecione uma das seguintes:

Write-through cache
Write-back cache
Write aside cache
Write cache vaulting

Explicação

Questão 79 de 109

1

What is a benefit of WWN zoning over port zoning?

Selecione uma das seguintes:

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.

Explicação

Questão 80 de 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

Selecione uma das seguintes:

$10,417
$10,521
$11,105
$12,024

Explicação

Questão 81 de 109

1

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

Selecione uma das seguintes:

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

Explicação

Questão 82 de 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?

Selecione uma das seguintes:

Virtual LAN
Virtual SAN
Fabric binding
Port binding

Explicação

Questão 83 de 109

1

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

Selecione uma das seguintes:

Scalability
Security
Availability
Performance

Explicação

Questão 84 de 109

1

What is an advantage of reporting on storage arrays?

Selecione uma das seguintes:

Planning for capacity
Monitoring the number of arrays
Monitoring the number of disks in a RAID group
Planning for storage groups

Explicação

Questão 85 de 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?

Selecione uma das seguintes:

iSCSI gateway
FCIP bridge
FC gateway
IP router

Explicação

Questão 86 de 109

1

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

Selecione uma das seguintes:

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

Explicação

Questão 87 de 109

1

Can be used for applications that require predictable performance

Selecione uma das seguintes:

Cloud infrastructure package
Block-based storage device
SMI specification
Virtual tape library

Explicação

Questão 88 de 109

1

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

Selecione uma das seguintes:

Capacity Planning
Chargeback
Configuration and Asset Management
Service Management

Explicação

Questão 89 de 109

1

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

Selecione uma das seguintes:

Archiving agent
Archiving server
Archiving policy server
Archiving storage device

Explicação

Questão 90 de 109

1

What describes a hybrid cloud?

Selecione uma das seguintes:

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

Explicação

Questão 91 de 109

1

What is a requirement for a native iSCSI implementation?

Selecione uma das seguintes:

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

Explicação

Questão 92 de 109

1

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

Selecione uma das seguintes:

JBOD, networks, and storage arrays
Servers/operating systems, DAS, and NAS
Servers/operating systems, networks, and storage arrays
Servers/operating systems, SAN, and JBOD

Explicação

Questão 93 de 109

1

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

Selecione uma das seguintes:

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

Explicação

Questão 94 de 109

1

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

Selecione uma das seguintes:

CDP
Mirroring
Backup-to-disk
Snapshots with CoFW

Explicação

Questão 95 de 109

1

Which remote replication solution has the highest bandwidth requirements?

Selecione uma das seguintes:

Array-based disk buffered
Array-based synchronous
Host-based asynchronous LVM mirroring
Log shipping over IP networks

Explicação

Questão 96 de 109

1

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

Selecione uma das seguintes:

SCSI over FC
SCSI over FCoE
FC over iSCSI
FC over SCSI

Explicação

Questão 97 de 109

1

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

Selecione uma das seguintes:

NDMP three-way
NDMP two-way
Server-based
Serverless

Explicação

Questão 98 de 109

1

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

Selecione uma das seguintes:

Information, networking, and storage
Access control, storage, and encryption
Access control, information, and networking
Application, management, and backup

Explicação

Questão 99 de 109

1

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

Selecione uma das seguintes:

0.003 milliseconds
0.05 milliseconds
3 milliseconds
5 milliseconds

Explicação

Questão 100 de 109

1

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

Selecione uma das seguintes:

Role
Cryptography
World Wide Name
Host network address

Explicação

Questão 101 de 109

1

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

Selecione uma das seguintes:

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

Explicação

Questão 102 de 109

1

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

Selecione uma das seguintes:

24 KB
32 KB
48 KB
64 KB

Explicação

Questão 103 de 109

1

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

Selecione uma das seguintes:

Improved storage space utilization
Improved write performance
Higher availability
Faster rebuild times after failure

Explicação

Questão 104 de 109

1

What is a characteristic of asynchronous remote replication?

Selecione uma das seguintes:

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

Explicação

Questão 105 de 109

1

What is a characteristic of triangle/multitarget replication?

Selecione uma das seguintes:

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

Explicação

Questão 106 de 109

1

What is a characteristic of cloud-optimized storage?

Selecione uma das seguintes:

Single access mechanism
Secure multitenancy

Explicação

Questão 107 de 109

1

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

Selecione uma das seguintes:

ATA
SATA
HDA
IDE

Explicação

Questão 108 de 109

1

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

Selecione uma das seguintes:

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)

Explicação

Questão 109 de 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?

Selecione uma das seguintes:

Scale-out NAS
Gateway NAS
FCoE SAN
IP SAN

	Criado por Rigoberto Franco quase 10 anos atrás

Una buena practica para la certificación 1

Questão 1 de 109

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?

Selecione uma das seguintes:

Explicação

Questão 2 de 109

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?

Selecione uma das seguintes:

Explicação

Questão 3 de 109

What does the area ID of the FC address identify?

Selecione uma das seguintes:

Explicação

Questão 4 de 109

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?

Selecione uma das seguintes:

Explicação

Questão 5 de 109

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

Selecione uma das seguintes:

Explicação

Questão 6 de 109

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

Selecione uma das seguintes:

Explicação

Questão 7 de 109

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

Selecione uma das seguintes:

Explicação

Questão 8 de 109

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

Selecione uma das seguintes:

Explicação

Questão 9 de 109

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

Selecione uma das seguintes:

Explicação

Questão 10 de 109

What describes a landing zone in a disk drive?

Selecione uma das seguintes:

Explicação

Questão 11 de 109

What is a characteristic of unified storage?

Selecione uma das seguintes:

Explicação

Questão 12 de 109

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

Selecione uma das seguintes:

Explicação

Questão 13 de 109

What is a benefit of cloud computing over traditional computing?

Selecione uma das seguintes:

Explicação

Questão 14 de 109

Which statement describes a denial of service attack?

Selecione uma das seguintes:

Explicação

Questão 15 de 109

What is a key benefit of virtualization?

Selecione uma das seguintes:

Explicação

Questão 16 de 109

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

Selecione uma das seguintes:

Explicação

Questão 17 de 109

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

Selecione uma das seguintes:

Explicação

Questão 18 de 109

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

Selecione uma das seguintes:

Explicação

Questão 19 de 109

Which operation is performed while creating a VM snapshot?

Selecione uma das seguintes:

Explicação

Questão 20 de 109

Which cloud computing capability enables monitoring and reporting resource usage?

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?