Tests 1

Frage 1 von 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?

Wähle eine der folgenden:

LRU
HWM
LWM
MRU

Erklärung

Frage 2 von 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?

Wähle eine der folgenden:

LRU
HWM
LWM
MRU

Erklärung

Frage 3 von 109

1

What does the area ID of the FC address identify?

Wähle eine der folgenden:

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

Erklärung

Frage 4 von 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?

Wähle eine der folgenden:

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

Erklärung

Frage 5 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 6 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 7 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 8 von 109

1

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

Wähle eine der folgenden:

IQN
EUI
WWNN
WWPN

Erklärung

Frage 9 von 109

1

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

Wähle eine der folgenden:

Integrity
Availability
Security
Performance

Erklärung

Frage 10 von 109

1

What describes a landing zone in a disk drive?

Wähle eine der folgenden:

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

Erklärung

Frage 11 von 109

1

What is a characteristic of unified storage?

Wähle eine der folgenden:

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

Erklärung

Frage 12 von 109

1

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

Wähle eine der folgenden:

eek time
Rotational latency
Data transfer time
Service time

Erklärung

Frage 13 von 109

1

What is a benefit of cloud computing over traditional computing?

Wähle eine der folgenden:

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

Erklärung

Frage 14 von 109

1

Which statement describes a denial of service attack?

Wähle eine der folgenden:

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

Erklärung

Frage 15 von 109

1

What is a key benefit of virtualization?

Wähle eine der folgenden:

Improved resource utilization
Improved performance
Enhanced interoperability
Unlimited resource scaling

Erklärung

Frage 16 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 17 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 18 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 19 von 109

1

Which operation is performed while creating a VM snapshot?

Wähle eine der folgenden:

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

Erklärung

Frage 20 von 109

1

Which cloud computing capability enables monitoring and reporting resource usage?

Wähle eine der folgenden:

Metering
Pooling
Self-service requesting
Publishing

Erklärung

Frage 21 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 22 von 109

1

What is true about parity-based RAID?

Wähle eine der folgenden:

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

Erklärung

Frage 23 von 109

1

What is an accurate statement about a gateway NAS solution?

Wähle eine der folgenden:

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

Erklärung

Frage 24 von 109

1

What is prevented using RAID technology?

Wähle eine der folgenden:

Data loss
Host Bus Adapter failures
Security breach
Switch failure

Erklärung

Frage 25 von 109

1

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

Wähle eine der folgenden:

Cache vaulting
Cache mirroring
Low watermarking
Prefetching

Erklärung

Frage 26 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 27 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 28 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 29 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 30 von 109

1

What is a security implementation in NAS environments?

Wähle eine der folgenden:

Kerberos
Port binding
S_ID Lockdown
FC-SP

Erklärung

Frage 31 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 32 von 109

1

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

Wähle eine der folgenden:

1
2
4
6

Erklärung

Frage 33 von 109

1

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

Wähle eine der folgenden:

VMAX
VPLEX
VNX
Vblock

Erklärung

Frage 34 von 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?

Wähle eine der folgenden:

SnapView
RepliStor
SRDF
MirrorView

Erklärung

Frage 35 von 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?

Wähle eine der folgenden:

Incremental
Cumulative
Full
Differential

Erklärung

Frage 36 von 109

1

What is a characteristic of a scale-out NAS?

Wähle eine der folgenden:

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

Erklärung

Frage 37 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 38 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 39 von 109

1

What is an advantage of sub-LUN tiering?

Wähle eine der folgenden:

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

Erklärung

Frage 40 von 109

1

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

Wähle eine der folgenden:

Name server
Fabric controller
Fabric login server
Management server

Erklärung

Frage 41 von 109

1

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

Wähle eine der folgenden:

Persistent Port Disable
Port Binding
Port Lockdown
Persistent Switch Disable

Erklärung

Frage 42 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 43 von 109

1

What describes a full mesh topology?

Wähle eine der folgenden:

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

Erklärung

Frage 44 von 109

1

What is a characteristic of pointer-based virtual replication?

Wähle eine der folgenden:

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

Erklärung

Frage 45 von 109

1

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

Wähle eine der folgenden:

Proxy server
Hypervisor
Virtual machine
Backup device

Erklärung

Frage 46 von 109

1

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

Wähle eine der folgenden:

Unified
Scale-out
Gateway
Integrated

Erklärung

Frage 47 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 48 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 49 von 109

1

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

Wähle eine der folgenden:

Performance
Space utilization
Protection
Capacity

Erklärung

Frage 50 von 109

1

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

Wähle eine der folgenden:

Avamar
Data Domain
NetWorker
SourceOne

Erklärung

Frage 51 von 109

1

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

Wähle eine der folgenden:

10 seconds
10 minutes
10 Day
10 Hrs

Erklärung

Frage 52 von 109

1

What is a characteristic of an FC-SW implementation?

Wähle eine der folgenden:

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

Erklärung

Frage 53 von 109

1

Which functionality is offered by user access management software?

Wähle eine der folgenden:

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

Erklärung

Frage 54 von 109

1

What are the key components of an intelligent storage system?

Wähle eine der folgenden:

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

Erklärung

Frage 55 von 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?

Wähle eine der folgenden:

Concatenated metaLUN
Striped metaLUN
Base LUN
Component LUN

Erklärung

Frage 56 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 57 von 109

1

What is a characteristic of asynchronous remote replication?

Wähle eine der folgenden:

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

Erklärung

Frage 58 von 109

1

What is a characteristic of Big Data?

Wähle eine der folgenden:

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

Erklärung

Frage 59 von 109

1

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

Wähle eine der folgenden:

64 KB
128 KB
256 KB
320 KB

Erklärung

Frage 60 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 61 von 109

1

Which EMC product provides target-based deduplication?

Wähle eine der folgenden:

Data Domain
Avamar
NetWorker
RecoverPoint

Erklärung

Frage 62 von 109

1

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

Wähle eine der folgenden:

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)

Erklärung

Frage 63 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 64 von 109

1

Which benefit is provided by EMC PowerPath?

Wähle eine der folgenden:

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

Erklärung

Frage 65 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 66 von 109

1

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

Wähle eine der folgenden:

EUI
IQN
iSNS
ARP

Erklärung

Frage 67 von 109

1

What describes a repudiation attack?

Wähle eine der folgenden:

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

Erklärung

Frage 68 von 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?

Wähle eine der folgenden:

$1050
$1500
$2100
$2900

Erklärung

Frage 69 von 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?

Wähle eine der folgenden:

$1050
$1500
$2100
$2900

Erklärung

Frage 70 von 109

1

What is a characteristic of an FC-AL implementation?

Wähle eine der folgenden:

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

Erklärung

Frage 71 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 72 von 109

1

What is a characteristic of an enterprise flash drive?

Wähle eine der folgenden:

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

Erklärung

Frage 73 von 109

1

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

Wähle eine der folgenden:

Seek time
Rotational delay
Response time
Data transfer rate

Erklärung

Frage 74 von 109

1

What is true about cache dirty page?

Wähle eine der folgenden:

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

Erklärung

Frage 75 von 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?

Wähle eine der folgenden:

Role-based access control
Access control lists
VSAN
Zoning

Erklärung

Frage 76 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 77 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 78 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 79 von 109

1

What is a benefit of WWN zoning over port zoning?

Wähle eine der folgenden:

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.

Erklärung

Frage 80 von 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

Wähle eine der folgenden:

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

Erklärung

Frage 81 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 82 von 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?

Wähle eine der folgenden:

Virtual LAN
Virtual SAN
Fabric binding
Port binding

Erklärung

Frage 83 von 109

1

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

Wähle eine der folgenden:

Scalability
Security
Availability
Performance

Erklärung

Frage 84 von 109

1

What is an advantage of reporting on storage arrays?

Wähle eine der folgenden:

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

Erklärung

Frage 85 von 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?

Wähle eine der folgenden:

iSCSI gateway
FCIP bridge
FC gateway
IP router

Erklärung

Frage 86 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 87 von 109

1

Can be used for applications that require predictable performance

Wähle eine der folgenden:

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

Erklärung

Frage 88 von 109

1

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

Wähle eine der folgenden:

Capacity Planning
Chargeback
Configuration and Asset Management
Service Management

Erklärung

Frage 89 von 109

1

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

Wähle eine der folgenden:

Archiving agent
Archiving server
Archiving policy server
Archiving storage device

Erklärung

Frage 90 von 109

1

What describes a hybrid cloud?

Wähle eine der folgenden:

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

Erklärung

Frage 91 von 109

1

What is a requirement for a native iSCSI implementation?

Wähle eine der folgenden:

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

Erklärung

Frage 92 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 93 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 94 von 109

1

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

Wähle eine der folgenden:

CDP
Mirroring
Backup-to-disk
Snapshots with CoFW

Erklärung

Frage 95 von 109

1

Which remote replication solution has the highest bandwidth requirements?

Wähle eine der folgenden:

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

Erklärung

Frage 96 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 97 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 98 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 99 von 109

1

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

Wähle eine der folgenden:

0.003 milliseconds
0.05 milliseconds
3 milliseconds
5 milliseconds

Erklärung

Frage 100 von 109

1

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

Wähle eine der folgenden:

Role
Cryptography
World Wide Name
Host network address

Erklärung

Frage 101 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 102 von 109

1

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

Wähle eine der folgenden:

24 KB
32 KB
48 KB
64 KB

Erklärung

Frage 103 von 109

1

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

Wähle eine der folgenden:

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

Erklärung

Frage 104 von 109

1

What is a characteristic of asynchronous remote replication?

Wähle eine der folgenden:

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

Erklärung

Frage 105 von 109

1

What is a characteristic of triangle/multitarget replication?

Wähle eine der folgenden:

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

Erklärung

Frage 106 von 109

1

What is a characteristic of cloud-optimized storage?

Wähle eine der folgenden:

Single access mechanism
Secure multitenancy

Erklärung

Frage 107 von 109

1

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

Wähle eine der folgenden:

ATA
SATA
HDA
IDE

Erklärung

Frage 108 von 109

1

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

Wähle eine der folgenden:

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)

Erklärung

Frage 109 von 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?

Wähle eine der folgenden:

Scale-out NAS
Gateway NAS
FCoE SAN
IP SAN

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Frage 1 von 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?

Wähle eine der folgenden:

Erklärung

Frage 2 von 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?

Wähle eine der folgenden:

Erklärung

Frage 3 von 109

What does the area ID of the FC address identify?

Wähle eine der folgenden:

Erklärung

Frage 4 von 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?

Wähle eine der folgenden:

Erklärung

Frage 5 von 109

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

Wähle eine der folgenden:

Erklärung

Frage 6 von 109

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

Wähle eine der folgenden:

Erklärung

Frage 7 von 109

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

Wähle eine der folgenden:

Erklärung

Frage 8 von 109

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

Wähle eine der folgenden:

Erklärung

Frage 9 von 109

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

Wähle eine der folgenden:

Erklärung

Frage 10 von 109

What describes a landing zone in a disk drive?

Wähle eine der folgenden:

Erklärung

Frage 11 von 109

What is a characteristic of unified storage?

Wähle eine der folgenden:

Erklärung

Frage 12 von 109

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

Wähle eine der folgenden:

Erklärung

Frage 13 von 109

What is a benefit of cloud computing over traditional computing?

Wähle eine der folgenden:

Erklärung

Frage 14 von 109

Which statement describes a denial of service attack?

Wähle eine der folgenden:

Erklärung

Frage 15 von 109

What is a key benefit of virtualization?

Wähle eine der folgenden:

Erklärung

Frage 16 von 109

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

Wähle eine der folgenden:

Erklärung

Frage 17 von 109

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

Wähle eine der folgenden:

Erklärung

Frage 18 von 109

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

Wähle eine der folgenden:

Erklärung

Frage 19 von 109

Which operation is performed while creating a VM snapshot?

Wähle eine der folgenden:

Erklärung

Frage 20 von 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?