26349446
Descripción
Test por Julio Cesar, actualizado hace más de 1 año
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Creado por Julio Cesar
hace más de 3 años
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|
Pregunta 1
Pregunta
In which stage of the business continuity planning lifecycle does an organization identify critical
business processes and assign recovery priorities?
Respuesta
-
Analyzing
-
Establishing objectives
-
Designing and developing
-
Implementing
Pregunta 2
Pregunta
What is an example of an active attack on an IT infrastructure?
Respuesta
-
Attempt to modify information for malicious purposes
-
Attempt to copy the data from the storage system
-
Attempt to gain unauthorized access into the system
-
Attempt to gain access to the data in transit
Pregunta 3
Pregunta
A Fibre Channel switch has eight ports and all ports must be operational 24x7. However, a
failure of Port 5 occurs on a particular week as follows:
- Monday = 11 AM to 12 PM
- Thursday = 7 AM to 11 AM
- Saturday = 11 AM to 1 PM
What is the availability of Port 5 in that week?
Respuesta
-
93%
-
94.1%
-
95.8%
-
97%
Pregunta 4
Pregunta
What is a benefit of implementing a virtual machine (VM) storage migration?
Respuesta
-
Balances storage utilization by redistributing VMs across different storage systems
-
Enables VMs to keep functioning even if the source data is lost due to a failure
-
Improves the security of applications running inside VMs on the migrated storage system
-
Reduces the overall storage system capacity requirements for organizations
Pregunta 5
Pregunta
How do VSANs ensure security in an IT infrastructure?
Respuesta
-
By providing isolation over a shared infrastructure
-
By authenticating a new switch that joins a fabric
-
By limiting the number of switches in a fabric
-
By prohibiting an unused switch port from being used
Pregunta 6
Pregunta
An application generates 8400 small random I/Os at peak workloads with a read/write ratio of
2:1.
What is the disk load at peak activity for a RAID 5 configuration?
Respuesta
-
4800
-
11200
-
16800
-
22400
Pregunta 7
Pregunta
An organization plans to deploy a deduplication solution by retaining their legacy backup
application. They are concerned about the application servers' performance and a long backup
window during backups.
Which deduplication solution(s) should be recommended to the organization?
Respuesta
-
Post-process
-
Source-based global deduplication
-
Variable-length segment and source-based
-
Fixed-length block and source-based
Pregunta 8
Pregunta
In a virtualized environment, which method enables a virtual machine to be rolled back in case
of a logical corruption to the virtual machine?
Respuesta
-
Virtual volume replication
-
VM snapshot
-
Storage array volume replication
-
VM clone
Pregunta 9
Pregunta
What is an accurate statement about VLANs and VSANs in an FCoE environment with an
existing FC SAN?
Respuesta
-
A dedicated VLAN must be configured for each VSAN
-
VLANs configured for VSANs must carry regular LAN traffic
-
Default VLAN must map to all VSANs defined in the FCoE switch
-
A minimum of four VLANs must be created to isolate VSAN traffic
Pregunta 10
Pregunta
What is a characteristic of target-based inline deduplication?
Respuesta
-
Deduplication processing occurs on the client before backup data is sent to the backup device
-
Backup data is stored on the backup device and then deduplication is performed
-
Changes must be made in the backup software to implement deduplication
-
Deduplication processing occurs at the backup device before it is stored on the backup device
Pregunta 11
Pregunta
Which Internet of Things (IoT) component is responsible for the automation of operations by
applying a force based on the dynamics of data?
Respuesta
-
Actuator
-
Switch
-
Sensor
-
Gateway
Pregunta 12
Pregunta
What is a benefit of backing up data to a disk library?
Respuesta
-
Provides improved backup and recovery performance
-
Provides built-in portability to meet offsite requirements
-
Supports the shoe shining effect for improved backup performance
-
Pre-configured and dedicated appliance is only used for backups
Pregunta 13
Pregunta
What is an accurate statement about the function of an archiving server?
Respuesta
-
Enables the ability to configure policies for archiving data
-
Installs agentson the archiving storage device
-
Scans the data that can bearchived on application servers
-
Creates stub files on an archiving storage device
Pregunta 14
Pregunta
What determines how far back the recovery points can go in a continuous data protection
(CDP) solution?
Respuesta
-
Amount of space that is configured for the journal
-
Size of the CDP appliance used for replication
-
Size of the source and replica volumes
-
Type of write splitter used for replication
Pregunta 15
Pregunta
Which capability does big data analytics provide?
Respuesta
-
Enabling data-driven decisions from large volumes of data
-
Storing large volumes of data without affecting availability
-
Reducing the data storage capacity requirement
-
Performing analytics using traditional tools
Pregunta 16
Pregunta
Which type of LUN provides full control for precise data placement and allows an
administrator to create LUNs on different RAID sets if there is workload contention?
Respuesta
-
Traditional
-
Thin
-
Journal
-
Bitmap
Pregunta 17
Pregunta
Why is it important for organizations to store, protect, and manage their data?
Respuesta
-
Reduce the amount of data to be replicated, migrated, and backed up.
-
Rapidly develop and deploy modern applications for business improvement
-
Develop new business opportunities by leveraging existing data
-
Reduce the complexity in managing the data center environment.
Pregunta 18
Pregunta
Which EMC product is a VNX array-based local replication software that creates a full volume mirror of the source?
Respuesta
-
SnapView Snapshot
-
SnapView Clone
-
TimeFinder/Snap
-
TimeFinder/Clone
Pregunta 19
Pregunta
What is an advantage of performing cumulative backups compared to incremental backups for the same data?
Respuesta
-
Facilitates faster restores
-
Facilitates faster backups
-
Reduces the storage space required for backups
-
Eliminates the need for full backups
Pregunta 20
Pregunta
When using the erasure coding technique in an object-based storage system, data is divided
into
12 data segments and 4 coding segments.
What is the maximum number of disk drive failures against which data is protected by the
configuration?
Respuesta
-
3
-
4
-
8
-
12
Pregunta 21
Pregunta
A company's Finance department needs 200 GB of storage for their business applications.
A LUN is created with 200 GB and RAID 1 is configured to support the applications. If the cost of
storage per GB is $2, what is the chargeback cost to the department for application storage?
Respuesta
-
200
-
400
-
800
-
1500
Pregunta 22
Pregunta
Which solid state drive component performs write coalescing?
Respuesta
-
Controller
-
I/O interface
-
Non-volatile memory
-
Cache
Pregunta 23
Pregunta
In the event of a disk failure, which RAID level enables quick data reconstruction?
Respuesta
-
RAID 3
-
RAID 5
-
RAID 6
-
RAID 10
Pregunta 24
Pregunta
In an archiving environment, how is a content address created in a content addressable
storage (CAS) system to store an object?
Respuesta
-
From the metadata of an object.
-
By using the logical address of the memory space
-
From the binary representation of an object.
-
By using the physical address of the storage device.
Pregunta 25
Pregunta
What is a benefit of a "recovery-in-place" backup approach in a virtualized data center?
Respuesta
-
Provides instant recovery of a failed virtual machine
-
Reduces the recovery point objective
-
Eliminates redundant data during virtual machine backups
-
Eliminates the backup window
Pregunta 26
Pregunta
Which cloud service does VMware vCloud Air provide?
Respuesta
-
Infrastructure as a Service
-
Platform as a Service
-
Database as a Service
-
Software as a Service
Pregunta 27
Pregunta
What is an accurate statement about Software as a Service?
Respuesta
-
Consumer has limited control over user-specific application configuration settings
-
Consumer has control over the operating systems and deployed applications
-
Consumer has control over the configuration settings of the application-hosting environment
-
Consumer has limited control over select networking components, such as host firewalls
Pregunta 28
Pregunta
What is an accurate statement about incremental forever backups?
Respuesta
-
Requires only one initial full back up
-
Requires periodic full back ups
-
Backup is not created directly from the production data
-
Copies the data that has changed since the last full back up
Pregunta 29
Pregunta
Which technology is used in the media and entertainment industry to enable content-based
search activity and to create video subtitles using natural language processing?
Respuesta
-
Machine learning
-
Social networking
-
Cloud computing
-
Internet of Things
Pregunta 30
Pregunta
What accurately describes the scale-out storage architecture?
Respuesta
-
Scales the capacity only within a single storage system
-
Provides a fixed capacity ceiling that limits scalability beyond a storage system.
-
Provides the capability to maximize its capacity by adding nodes to the cluster.
-
Restricts scalability to the limits of the storage controllers.
Pregunta 31
Pregunta
What is an accurate statement about a virtual tape library?
Respuesta
-
Legacy backup software can be used without additional modules or changes
-
Portability of physical tapes tooffsite locations is supported
-
Only sequential data access for both backup and recovery is supported
-
Regular maintenance tasks associated with a physical tape drive are required
Pregunta 32
Pregunta
What is a component of an FCoE switch?
Respuesta
-
Ethernet Bridge
-
Virtual N_Port
-
Converged Network Adapter
-
FCIP Forwarder
Pregunta 33
Pregunta
Which part of the Fibre Channel (FC) frame does the label "X" represent in the exhibit?
https://cdn.goconqr.com/uploads/media/image/31472577/desktop_a2aab2d7-3a0d-484c-b248-f945e266be47.png
Image:
Image (binary/octet-stream)
Respuesta
-
Frame Header
-
CRC
-
SOF
-
Data Field
Pregunta 34
Pregunta
What is an accurate statement about Platform as a Service?
Respuesta
-
Consumer has control over the deployed applications
-
Consumer has control over the operating system and database management system
-
Consumer has control over the programming languages and tools
-
Consumer has control over the operating system and storage
Pregunta 35
Pregunta
A start-up company with a limited budget is planning to adopt a hybrid cloud solution for
their operations. The company has business-critical applications that serve customers and have strict
service levels. In addition, the company has less critical applications such as backup and archive.
Which hybrid cloud strategy should be recommended to the company?
Respuesta
-
Deploy the business-critical applications on an externally-hosted private cloud. Deploy the less critical applications on a public cloud.
-
Deploy the business-critical applications on an on-premise private cloud. Deploy the less critical applications on an externally-hosted private cloud.
-
Deploy the business-critical applications on an on-premise private cloud. Deploy the less critical applications on a public cloud.
-
Deploy the business-critical applications on an externally-hosted private cloud. Deploy the less critical applications on an on-premise private cloud.
Pregunta 36
Pregunta
What is an accurate statement about Governance?
Respuesta
-
Restrict access to certain users
-
Ensure removal of security risks
-
Authorize policy-making decisions
-
Demonstrate adherence to polices
Pregunta 37
Pregunta
Which method does an intrusion detection and prevention system (IDPS) use to identify
intrusions by scanning and analyzing events to detect if they are statistically different from normal
events?
Respuesta
-
Anomaly-based
-
Signature-based
-
Profile-based
-
Device-based
Pregunta 38
Pregunta
Which data center characteristic ensures that adequate resources are provided to efficiently
store and process data?
Respuesta
-
Capacity
-
Availability
-
Scalability
-
Performance
Pregunta 39
Pregunta
An application uses ten, 15 GB devices.
A pointer-based full volume replica of the application is required.
The replica will be kept for 24 hours and the data changes by 10% every 24 hours.
How much storage should be allocated for the replication?
Respuesta
-
15 GB
-
30 GB
-
150 GB
-
300 GB
Pregunta 40
Pregunta
What is an advantage of implementing file-level virtualization in a data center environment?
Respuesta
-
Provides non-disruptive file mobility across NAS devices
-
Allows users the ability to only use a physical path to access files
-
Provides the capability to access files from any device
-
Provides dynamic distribution of files across NAS clients.
Pregunta 41
Pregunta
In an FC SAN environment, an administrator wants to ensure that a particular switch port
cannot function as an E_Port and cannot be used to create an interswitch link. Which security
mechanism should the administrator use?
Respuesta
-
Port type locking
-
Port binding
-
Persistent port disable
-
Fabric binding
Pregunta 42
Pregunta
In continuous data protection (CDP) remote replication, where are the two split write I/Os of
an incoming write I/O directed?
Respuesta
-
One I/O goes to the local CDP appliance and the other I/O goes to the production volume
-
One I/O goes to the compute system and the other I/O goes to the production volume
-
One I/O goes to the remote CDP appliance and the other I/O goes to the replica
-
One I/O goes to the journal volume and the other I/O goes to the replica
Pregunta 43
Pregunta
What accurately describes a shared pool in virtual provisioning?
Respuesta
-
Should contain only homogeneous disk drive types
-
Supports a single RAID protection level.
-
Consists of only a virtual storage volume.
-
Should contain only physical drives with different sizes
Pregunta 44
Pregunta
An organization has several virtual machines (VMs) deployed in their data center. The VM
files are stored on a block-based storage system. The applications on the VMs are impacted during
VM backup because the backup agents on the VMs are consuming a large amount of resources.
Which alternate backup solution is recommended to address this issue?
Respuesta
-
Image-based back
-
Three-way NDMP backup
-
Two-way NDMP backup
-
Target-based deduplication backup
Pregunta 45
Pregunta
What enables an administrator to create device groups in an IP-SAN for restricting device
communications to a group?
Respuesta
-
iSNS discovery domain
-
NIC teaming
-
Demilitarized zone
-
Security identifier
Pregunta 46
Pregunta
Which technology combines NAND flash memory into a hard disk drive and is a single,
integrated device incorporating both types of storage?
Respuesta
-
Solid-state drive
-
Dual drive
-
Fibre Channel drive
-
Solid-state hybrid drive
Pregunta 47
Pregunta
An application generates 8400 small random I/Os at peak workloads with a read/write ratio
of 2:1.
What is the disk load at peak activity for a RAID 1/0 configuration?
Respuesta
-
5600
-
11200
-
16800
-
22400
Pregunta 48
Pregunta
Which type of digital data consists of textual data with inconsistent formats but can be
formatted with the use of software tools?
Respuesta
-
Quasi-structured data
-
Semi-structured data
-
Metadata
-
Unstructured data
Pregunta 49
Pregunta
What is an accurate statement about a software RAID implementation?
Respuesta
-
Uses CPU cycles of a compute system to perform RAID calculations
-
Supports the upgrade of RAID software on incompatible O/S
-
Uses a specialized hardware controller to perform RAID calculations
-
Supports all RAID levels
Pregunta 50
Pregunta
What is an advantage of the changed block tracking backup technique?
Respuesta
-
Reduces the backup window
-
Enables restoration to any point-in-time
-
Eliminates the need for data deduplication
-
Increases backup device performance
Pregunta 51
Pregunta
When implementing a full mesh topology in a Fibre Channel (FC) SAN environment, what is
the effect when there is an increase in the number of switches?
Respuesta
-
Reduces the available node ports for ISL connectivity.
-
Increases the load on the ISLs due to traffic aggregation.
-
Increases the hop count for compute to storage traffic
-
Reduces the available switch ports for node connectivity.
Pregunta 52
Pregunta
What is an accurate statement about OAuth security control?
Respuesta
-
Allows a client to access protected resources from a resource server on behalf of a resource owner
-
Provides strong authentication for client-server applications by using secret-key cryptography
-
Enables initiators and targets to authenticate each other by using a shared secret code
-
Enables an organization to use authentication services from an identity provider
Pregunta 53
Pregunta
If a company has experienced a passive attack on its IT infrastructure, how is the company's
security impacted?
Respuesta
-
Access to services is denied
-
Availability of data is affected.
-
Information privacy is compromised.
-
Data is altered by an unauthorized user.
Pregunta 54
Pregunta
An organization plans to deploy a new backup device in their data center. The organization
wants the new backup device to support their legacy backup software without requiring any changes
to the software. In addition, the organization wants the backup device to provide random data access
for better performance.
Which backup device should be recommended?
Respuesta
-
Virtual tape library
-
Tape-based backup appliance
-
Tape library
-
Optical juke box
Pregunta 55
Pregunta
What is an accurate statement about stretched VLANs?
Respuesta
-
Reduces network bandwidth requirements during VM migration across sites.
-
Requires a change in the VMs' IP addresses to match the addressing scheme at the other sites.
-
Enables automatic modification of VLAN addresses during VM migration across sites.
-
Supports migration of VMs across sites without the need to change their network configurations.
Pregunta 56
Pregunta
Which cloud deployment model allows provisioning of a cloud infrastructure only for use by a
single organization having multiple consumers?
Respuesta
-
Public cloud
-
Multi-cloud
-
Hybrid cloud
-
Private cloud
Pregunta 57
Pregunta
What is the goal of a business continuity solution?
Respuesta
-
Reduce the amount of investment in protecting an organization's business-related data
-
Avoid a disaster in a data protection environment to control the loss of data.
-
Ensure information availability that is required to conduct vital business operations.
-
Eliminate security threats in a data protection environment for continuous access to data.
Pregunta 58
Pregunta
Which layer of the OSI model provides the functional and procedural methods to transfer
data between network entities?
Respuesta
-
Data link
-
Presentation
-
Session
-
Application
Pregunta 59
Pregunta
What is an example of an availability management task in storage infrastructure
management?
Respuesta
-
Designing a new replication solution for data redundancy
-
Performing trend analysis of storage space consumption
-
Tracking configuration changes to storage components
-
Specifying storage space quotas for users
Pregunta 60
Pregunta
Which type of storage system is built specifically for storing fixed content?
Respuesta
-
Content addressed storage
-
Block-based storage
-
File-based storage
-
Unified storage
Pregunta 61
Pregunta
What is an example of a Performance Management task?
Respuesta
-
Selecting an appropriate RAID type for a storage pool.
-
Removing unused resources from a service and reassigning them to another.
-
Scanning applications and databases to identify vulnerabilities.
-
Planning and architecting data backup and replication solutions.
Pregunta 62
Pregunta
Which method is used to establish a VPN connection between a primary and remote data
center to perform secure remote replication?
Respuesta
-
Site-to-site VPN connection
-
Remote access VPN connection
-
Intra-site VPN connection
-
Long distance VPN connection
Pregunta 63
Pregunta
What is a characteristic of an FC-AL implementation?
Respuesta
-
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
Pregunta 64
Pregunta
An organization performs a full back up every Sunday and incremental back ups on the
remaining days at 9:00 AM. However, at 10 PM on Friday, a data corruption occurs that requires a
data restoration from the backup copies.
How many backup copies are required to perform this restoration?
Respuesta
-
2
-
4
-
5
-
6
Pregunta 65
Pregunta
An organization plans to deploy a new application in their environment. The new application
requires 2 TB of storage space. During peak workloads, the application is expected to generate
9800 IOPS with a typical I/O size of 4 KB. The capacity of each available disk drive is 250 GB.
The maximum number of IOPS a drive can perform at with 70 percent utilization is 90 IOPS. What is the minimum number of disk drives needed to meet the application's capacity and
performance requirements given a RAID 0 configuration?
Respuesta
-
8
-
70
-
110
-
140
Pregunta 66
Pregunta
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?
Respuesta
-
Incremental
-
Cumulative
-
Full
-
Differential
Pregunta 67
Pregunta
Which product provides an organization with the power to search and analyze vast amounts
of data in one place and helps administrators to discover suspicious event trends?
Respuesta
-
Dell InTrust
-
Dell Change Auditor
-
VMware AppDefense
-
VMware AirWatch
Pregunta 68
Pregunta
What is a function of the NDMP server in an NDMP-based backup approach?
Respuesta
-
Reads the data from the storage device and sends the data to the backup device
-
Reads the data from the backup server and sends the data to the backup device
-
Instructs the NAS head to startthe backup operation
-
Instructs the backup agent on the client to send the data to the backup device
Pregunta 69
Pregunta
Which file system uses a MapReduce framework to run applications and a NameNode for
managing the file system?
Respuesta
-
New Technology File System (NTFS)
-
Hadoop Distributed File System (HDFS)
-
Network File System (NFS)
-
Common Internet File System (CIFS)
Pregunta 70
Pregunta
What contains the information about backup configuration and backup metadata?
Respuesta
-
Backup catalog
-
Proxy server
-
Tracking database
-
Backup image
Pregunta 71
Pregunta
In an FCoE switch, which function is provided by the Fibre Channel Forwarder (FCF)?
Respuesta
-
Communication bridge between CEE and IP networks
-
Communication bridge between FC and FCIP networks
-
Communication bridge between CEE and FCIP networks
-
Communication bridge between CEE and FC networks
Pregunta 72
Pregunta
What is a benefit when a node is added to a scale-out NAS cluster?
Respuesta
-
Increased cluster performance
-
Reduced capital expenditure
-
Simplified cluster management
-
Decreased data duplication
Pregunta 73
Pregunta
An administrator has defined a backup policy. Full backups will be performed at 8 PM every
Monday and incremental backups performed at 8 PM the remaining days. How many backup copies
are required to restore the files if they were accidentally deleted on Friday morning?
Respuesta
-
1
-
2
-
3
-
4
Pregunta 74
Pregunta
What refers to an IT infrastructure's ability to function based on business expectations during
its specified time of operations?
Respuesta
-
Information availability
-
Disaster recovery
-
Compliance adherence
-
Business agility
Pregunta 75
Pregunta
Which functionality does a Control layer provide in a software-defined networking
architecture?
Respuesta
-
Defining the network behavior through various policies.
-
Making decisions on how the packets should be forwarded.
-
Establishing communications between the Infrastructure and Interface layers.
-
Forwarding data packets based on the requirements from the Application layer.
Pregunta 76
Pregunta
What is an accurate statement about a virtual machine (VM) snapshot?
Respuesta
-
Captures the state and data of a running VM at a specific point-in-time
-
Provides the capability to delete the parent VM once the snapshot is created
-
Runs as an independent copy from the parent VM
-
Provides the capability to restore VM data to any point-in-time
Pregunta 77
Pregunta
An Ethernet switch has eight ports and all ports must be operational for 24 hours, from
Monday through Friday. However, a failure of Port4 occurs as follows:
- Monday = 8 PM to 9 PM
- Wednesday 7 PM to 9 PM
- Thursday = 6 AM to 9 AM
- Saturday = 4 PM to 7 PM
What is the MTTR of Port 4?
Respuesta
-
2 hours
-
3 hours
-
28 hours
-
38 hours
Pregunta 78
Pregunta
What is a benefit of using content addressed storage (CAS) as an archival solution?
Respuesta
-
Ensures content authenticity and integrity
-
Supports location independence using different content IDs for an object
-
Provides the ability to perform production operations on the CAS
-
Enables modification of archived data
Pregunta 79
Pregunta
A customer wants 24x7 availability for a business application that uses a file system.
Which operation ensures a consistent replica of the file system?
Respuesta
-
Unmount the file system prior to the creation of the replica
-
Stop the application prior to the creation of the replica
-
Flush the file system buffers after creation of the replica
-
Flush the file system buffers before creation of the replica
Pregunta 80
Pregunta
Which EMC product provides a remote replication solution for EMC VMAX3 storage systems?
Respuesta
-
SRDF
-
SnapSure
-
MirrorView
-
ProtectPoint
Pregunta 81
Pregunta
What is determined by the recovery point objective in a business continuity solution?
Respuesta
-
Frequency of the backup
-
Type of backup devices
-
Type of disaster recovery site
-
Distance between the primary and disaster recovery sites
Pregunta 82
Pregunta
Why is it important for organizations to maintain a copy of data at a remote site?
Respuesta
-
Ensure disaster recovery
-
Provide operational recovery
-
Ensure data archiving to meet regulatory requirements
-
Provide flexibility to use stub files for production operations
Pregunta 83
Pregunta
What is a function of the metadata service in an object-based storage device (OSD)?
Respuesta
-
Generates the file system namespace from the file contents.
-
Manages both physical and logical disks on which the user data is stored
-
Manages the storage space for all remote clients.
-
Maintains the object IDs and file system namespace mappings.
Pregunta 84
Pregunta
In an FC SAN environment, which security mechanism prevents a switch port from being
enabled even after a switch reboot?
Respuesta
-
Port locking
-
Port type locking
-
Port binding
-
Fabric binding
Pregunta 85
Pregunta
An organization plans to deploy a new application in their environment. The new application
requires 3 TB of storage space. During peak workloads, the application is expected to generate
2450 IOPS with a typical I/O size of 2 KB. The capacity of each available disk drive is 500 GB.
The maximum number of IOPS a drive can perform at with 70 percent utilization is 90 IOPS.
What is the minimum number of disk drives needed to meet the application's capacity and
performance requirements given a RAID 0 configuration?
Respuesta
-
6
-
16
-
25
-
28
Pregunta 86
Pregunta
A consumer is interested in a service that provides multiple operating systems and
programming frameworks for application development and deployment. Which recommended cloud
service model will meet these requirements?
Respuesta
-
Storage as a Service
-
Platform as a Service
-
Infrastructure as a Service
-
Software as a Service
Pregunta 87
Pregunta
What accurately describes hypervisor-based continuous data protection?
Respuesta
-
Virtual appliance is running on a hypervisor.
-
Journal is stored in a virtual machine.
-
Virtual appliance runs on a storage system.
-
Replica volumes are created in the hypervisor.
Pregunta 88
Pregunta
Which LUN expansion technique provides both capacity expansion and performance
improvement?
Respuesta
-
Striped metaLUN
-
Partitioned metaLUN
-
Virtual metaLUN
-
Concatenated metaLUN
Pregunta 89
Pregunta
In a compute-based storage area network (SAN), what is a function of the metadata
manager?
Respuesta
-
Holds cluster-wide mapping information and load balancing in a compute-based SAN.
-
Performs the I/O operations on the local storage of a compute system as requested by a client
-
Provides an interface to the software-defined storage controller.
-
Controls all data read and write operations in a compute-based SAN.
Pregunta 90
Pregunta
What accurately describes virtual SAN (VSAN) trunking?
Respuesta
-
Reduces the utilization of ISLs by removing all the ISLs configured between the FC switches.
-
Increases the number of E_ports used for the ISLs to transfer multiple VSAN traffic
-
Increases the complexity of managing the FC SAN with an increase in the number of ISLs.
-
Reduces the number of ISLs between switches that are configured with multiple VSANs.
Pregunta 91
Pregunta
What is an accurate statement about a fabric-provided MAC address (FPMA) used in an
FCoE SAN?
Respuesta
-
FCoE switches provide MAC addresses to VN_Ports during node login
-
FC switches provide MAC addresses to VE_Ports dynamically during discovery
-
Compute systems provide MAC addresses to the VF_Ports on FCoE switches
-
Both VF_Ports and VE_Ports obtain MAC addresses from FC switches
Pregunta 92
Pregunta
What is compromised by a passive attack on an IT infrastructure?
Respuesta
-
Confidentiality
-
Integrity
-
Availability
-
Repudiation
Pregunta 93
Pregunta
What is a key advantage of cloning a virtual machine (VM)?
Respuesta
-
Ability to run new VMs simultaneously with the same IP address
-
Reduces the time required to create multiple copies of a VM.
-
Improves the performance of an existing VM and new VMs.
-
Eliminates the need to create multiple snapshots for a VM
Pregunta 94
Pregunta
What is an accurate statement about a hardware RAID implementation?
Respuesta
-
Uses a specialized hardware controller installed on a storage array
-
Uses CPU cycles of a compute system to perform RAID calculations
-
Requires a RAID controller and operating system to be compatible
-
Offers a low-cost solution for providing disk protection
Pregunta 95
Pregunta
Which product delivers virtualized or hosted desktops and applications through a single
platform?
Respuesta
-
VMware Horizon
-
Dell EMC VxRail Appliance
-
VMware NSX
-
Dell PowerEdge servers
Pregunta 96
Pregunta
Which Dell EMC product enables continuous protection for any PIT recovery and offers
multi-site support?
Respuesta
-
RecoverPoint
-
Avamar
-
SourceOne
-
SRDF
Pregunta 97
Pregunta
Which attack is carried out by sending a spoofing e-mail and redirecting a user to a false
website?
Respuesta
-
Phishing
-
Man-in-the-middle
-
Denial-of-service
-
Repudiation
Pregunta 98
Pregunta
What accurately describes an iSCSI HBA?
Respuesta
-
Performs both iSCSI and TCP/IP processing
-
Requires CPU cycles for TCP/IP processing
-
Requires a software adapter with built-in functionality
-
Enables transmission of data through iSCSI tunneling
Pregunta 99
Pregunta
In a copy on first access (CoFA) technique, when is data copied from the source to the
target?
Respuesta
-
All writes are issued to a location on the source
-
All writes are issued to a location on the target
-
A read or write is issued for the first time to a location on the target
-
A read is issued for the first time from a location on the source
Pregunta 100
Pregunta
An application generates 4200 small random I/Os at peak workloads with a read/write ratio
of 2:1.
What is the disk load at peak activity for a RAID 6 configuration?
Respuesta
-
2800
-
5600
-
8400
-
11200
Pregunta 101
Pregunta
Which action takes place during the login phase in an FCoE SAN?
Respuesta
-
VN_Ports obtain FC addresses
-
Nodes locate the Fibre Channel Forwarder
-
Initialization protocol starts transporting FC data
-
VN_Port to N_Port pairing is established
Pregunta 102
Pregunta
Which iSCSI host connectivity option is recommended in a CPU-intensive application
environment?
Respuesta
-
iSCSI HBA
-
NIC with software-based iSCSI initiator
-
TCP offload eng
-
Converged Network Adapter
Pregunta 103
Pregunta
A system has three components and all three components need to be operational for 24
hours; Monday through Friday. During a particular week, failure of component 3 occurred as follows:
-Tuesday = 8 AM to 1 PM -Thursday = 5 PM to 10 PM -Friday = 5 AM to 10 AM What is the mean time
between failures on component 3 for that week?
Respuesta
-
5 hours
-
35 hours
-
40 hours
-
51 hours
Pregunta 104
Pregunta
An organization performs a full back up every Sunday and cumulative back ups on the
remaining days. On Thursday, a data corruption occurs that requires a data restoration from the
backup copies. How many backup copies are required to perform this restoration?
Respuesta
-
1
-
2
-
3
-
4
Pregunta 105
Pregunta
What is signified by the "variability" characteristic of big data?
Respuesta
-
Meaning of the data changes constantly
-
Data is generated in different formats by numerous sources
-
Data change rate affects its timely analysis
-
Varying data quality affects its reliability and accuracy
Pregunta 106
Pregunta
Which technique is used in Kerberos to authenticate a client-server application across an
insecure network?
Respuesta
-
Secret-key cryptography
-
One-way hash function
-
Shared secret
-
OpenID control
Pregunta 107
Pregunta
When using a bridged iSCSI connection, which components facilitate communication
between gateways?
Respuesta
-
Compute system with iSCSI ports and the storage system with Ethernet ports.
-
Compute system with iSCSI ports and the storage system with only FC ports
-
Compute system with FC HBA ports and the storage system with only FC ports.
-
Compute system with FCoE ports and the storage system with iSCSI ports.
Pregunta 108
Pregunta
Which EMC product provides automated monitoring and reporting of a software-defined
storage infrastructure?
Respuesta
-
ViPR SRM
-
SnapSure
-
Avamar
-
FAST VP
Pregunta 109
Pregunta
What is a benefit of link aggregation?
Respuesta
-
Optimizes fabric performance by distributing network traffic across ISLs.
-
Improves ISL utilization by increasing the network traffic on a specific ISL
-
Yields a higher throughput by combining two parallel ISLs into a single physical ISL.
-
Saves bandwidth by restricting traffic to a specific potentially congested ISL
Pregunta 110
Pregunta
Winch Dell EMC product creates a server and IP-based SAN from direct-attached server
storage to deliver flexible and scalable performance and capacity on demand?
Respuesta
-
PowerMax
-
VxFlex OS
-
ViPR Controller
-
XtremIO
Pregunta 111
Pregunta
What accurately describes a software-defined architecture?
Respuesta
-
Supports only central management of private cloud resources using a pre-defined policy.
-
Provides a unified management platform for centralized monitoring and administration.
-
Uses only converged and hyperconverged infrastructures to offer services to companies
-
Provides decentralized, manual, and policy-driven IT resource management.
Pregunta 112
Pregunta
Which cloud computing characteristic enables multi-tenancy and abstracts the location of
provided resources?
Respuesta
-
Resource pooling
-
Measured service
-
Rapid elasticity
-
Broad network access
Pregunta 113
Pregunta
What is an activity in the risk assessment step of risk management?
Respuesta
-
Determine the likelihood of a risk
-
Plan and deploy security controls
-
Continuously observe the existing
-
Identify the sources of threats that increase the risks
Pregunta 114
Pregunta
What is an advantage of deploying a purpose-built, disk-based backup appliance in a datacenter environment?
Respuesta
-
Eliminate the need for performing source-based deduplication.
-
Convert the capital expenditure to an operational expenditure.
-
Lower the recovery time objective of an organization
-
Retain the fixed content for longer periods in the data center.
Pregunta 115
Pregunta
Which component is required for a "recovery-in-place" backup approach?
Respuesta
-
Disk-based backup target
-
Agent-based backupclient
-
NDMP server
-
Data deduplication server
Pregunta 116
Pregunta
What is signified by the "variety" characteristic of big data?
Respuesta
-
Data is generated in different formats by numerous sources
-
Meaning of the data changes constantly
-
Varying data quality affects its reliability and accuracy
-
Data change rate affects its timely analysis
Pregunta 117
Pregunta
Which data center management process involves collating and presenting the utilization of
resources?
Respuesta
-
Reporting
-
Provisioning
-
Planning
-
Maintenance
Pregunta 118
Pregunta
What is an accurate statement about full volume replication?
Respuesta
-
Target device is at least as large as the source device
-
Target device requires only a fraction of the space used by the source device
-
Target device is accessible only after the replication session starts
-
Target and source devices should be on different storage arrays
Pregunta 119
Pregunta
What is a characteristic of a scale-out NAS?
Respuesta
-
File system grows dynamically as nodes are added in the cluster
-
Up to four file systems can be created across 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
Pregunta 120
Pregunta
What is an example of a security management task in a storage infrastructure?
Respuesta
-
Configuring LUN masking to restrict hosts from accessing a specific LUN
-
Enforcing storage space quotas to restrict users from overprovisioning resources
-
Restricting the number of simultaneous client access to application servers
-
Enabling sending messages to a support center in the event of resource failure
Pregunta 121
Pregunta
What accurately describes an attack vector in an IT infrastructure?
Respuesta
-
Series of steps that must be followed in order to complete an attack
-
Various entry points that can be used to launch an attack
-
Amount of effort required to exploit vulnerabilities in the infrastructure
-
Process of identifying the system components under attack
Pregunta 122
Pregunta
Why are organizations moving towards a modern data center implementation?
Respuesta
-
Develop modern applications in the public cloud without having the right skill set in-house.
-
Ability to be agile, operate in real time, and develop intelligent products.
-
Deploy only unified and converged IT resources to reduce the management complexity.
-
Reduce the cost of managing data center components by using a self-service catalog.
Pregunta 123
Pregunta
What is an accurate statement about variable prefetching?
Respuesta
-
Many blocks that have recently been written to storage by the compute system are retrieved and placed in cache.
-
Many non-contiguous blocks that are not currently required can be retrieved from cache in advance
-
Storage system prefetches data in multiples of the original I/O request size from the compute system.
-
Storage system prefetches many non-contiguous blocks of data, with varied sizes, from cache.
Pregunta 124
Pregunta
A backup administrator has defined a backup policy. The policy requires full backups to be
performed at 10 PM every Sunday and incremental backups performed at 10 PM the remaining days.
If files were accidentally deleted Wednesday morning, how many backup copies are required to
restore the files?
Respuesta
-
2
-
3
-
4
-
5
Pregunta 125
Pregunta
Which Dell EMC product is a hyper-scale storage infrastructure that provides universal
accessibility with support for object and HDFS?
Respuesta
-
ViPR Controller
-
PowerMax
-
Isilon
-
Elastic Cloud Storage
Pregunta 126
Pregunta
What is a benefit of deploying a multi-site storage system-based remote replication
solution?
Respuesta
-
Ensures disaster recovery protection remains available in the event of source or remote site failures
-
Provides the capability to recover data to any point-in-time
-
Requires low network bandwidth to perform synchronous replication
-
Enables a consistent near-zero RPO in the event of source and remote site failures
Pregunta 127
Pregunta
In an FCoE environment, which functionality provides a framework for the allocation of
bandwidth to different network traffic classes?
Respuesta
-
Enhanced transmission selection
-
Priority-based flow control
-
Congestion notification
-
Data center bridging exchange protocol
Pregunta 128
Pregunta
A company is using an intrusion detection and prevention system (IDPS) to scan and analyze intrusion events.
Which IDPS technique uses a database that contains known attack patterns?
Respuesta
-
Role-based
-
Profile-based
-
Signature-based
-
Anomaly-based
Pregunta 129
Pregunta
What is determined based on the recovery point objective in an asynchronous remote
replication?
Respuesta
-
Size of the buffer
-
Size of the replica
-
Response time
-
Location of the source
Pregunta 130
Pregunta
A system has three components and all three components need to be operational for 24
hours; Monday through Friday. During a particular week, failure of component 1 occurred as follows:
-Tuesday = 8 AM to 11 AM -Thursday = 8 PM to 10 PM -Friday = 5 AM to 9 AM What is the mean time
between failures on component 1 for that week?
Respuesta
-
3 hours
-
37 hours
-
40 hours
-
53 hours
Pregunta 131
Pregunta
What is an accurate statement about Challenge Handshake Authentication Protocol (CHAP)
control?
Respuesta
-
Enables initiators and targets to authenticate each other by using a shared secret code
-
Provides strong authentication for client-server applications by using secret-key cryptography
-
Allows a client to access protected resources from a resource server on behalf of a resource owner
-
Enables an organization to use authentication services from an identity provider
Pregunta 132
Pregunta
What is an accurate statement about three-way NDMP backup in a NAS environment?
Respuesta
-
Backup data is sent directly from NAS to the backup device
-
Backup data is sent to the backup device through the application servers
-
A dedicated backup device is required for each NAS
-
All NAS systems should have the same operating environment
Pregunta 133
Pregunta
A company is planning to perform a cloud-based backup. They want to send their data over
a public network to a cloud backup device. Which security control mechanism helps to protect the data from an attacker?
Respuesta
-
Multi-factor authentication
-
Demilitarized zone
-
Data shredding
-
Encryption
Pregunta 134
Pregunta
What is an accurate statement about Infrastructure as a Service?
Respuesta
-
Consumer has control over the operating systems and the deployed applications
-
Consumer only has control over user-specific application configuration settings
-
Consumer has control over network devices, compute systems, and storage systems
-
. Consumer only has control over the configuration settings of the application-hosting environment
Pregunta 135
Pregunta
What is the purpose of monitoring capacity in a storage infrastructure?
Respuesta
-
Tracking the amount of storage infrastructure resources used and available
-
Evaluating utilization of components and identifying bottlenecks
-
Tracking configuration changes to the storage infrastructure elements
-
Identifying component failures that may lead to service unavailability
Pregunta 136
Pregunta
What is an accurate statement about a denial-of-service attack?
Respuesta
-
Prevents legitimate users fromaccessing resources or services
-
Intentional misuse of privileges to compromise data security
-
Gaining unauthorized access to a user's accounts and data
-
Captures a user's credentials and then sends to the attacker
Pregunta 137
Pregunta
Which data archiving component scans primary storage to find the files that meet the
archiving policy?
Respuesta
-
Archive storage
-
Archive database server
-
Archive agent
-
Archive stub file
Pregunta 138
Pregunta
What accurately describes an Incident in a storage infrastructure?
Respuesta
-
Unknown root cause of one or more disruptions to service.
-
Any event that may lead to the disruption of a service.
-
Support request to help access an IT resource
-
Any event that may create a change in correcting a known error.
Pregunta 139
Pregunta
What accurately describes the seek time of a disk drive?
Respuesta
-
Time taken to position the read/write head over the correct track
-
Time taken by the platter to position the data under the read/write head
-
Time taken to read a block of data from the platter
-
Time taken by the controller to service an I/O from the application
Pregunta 140
Pregunta
A company plans to deploy a new application in their environment. The new application
requires
2 TB of storage space. During peak workloads, the application is expected to generate 4500 IOPS with
a typical I/O size of 4 KB. The capacity of each available disk drive is 250 GB. In addition, the
maximum number of IOPS a drive can perform at with a 70% utilization is 90 IOPS.
What is the minimum number of disk drives needed to meet the application's capacity and
performance requirements for a RAID 0 configuration?
Respuesta
-
8
-
40
-
50
-
70
Pregunta 141
Pregunta
What is an accurate statement about three-way NDMP backup in a NAS environment?
Respuesta
-
Backup device can be shared among multiple NAS heads
-
Each NAS head should have a dedicated backup device
-
Backup data traverses at least three NAS heads before reaching the backup device
-
Backup is performed only when three or more NAS heads are present
Pregunta 142
Pregunta
Which type of digital data has no defined format but has a self-describing structure that
enables its analysis?
Respuesta
-
Semi-structured data
-
Structured data
-
Metadata
-
Quasi-structured data
Pregunta 143
Pregunta
Which data center characteristic ensures that data is stored and retrieved exactly as it was
received?
Respuesta
-
Data integrity
-
Security
-
Scalability
-
Manageability
Pregunta 144
Pregunta
Which EMC product enables management for Vblock systems?
Respuesta
-
Unified Infrastructure Manager
-
MirrorView
-
Service Assurance Suite
-
ViPR SRM
Pregunta 145
Pregunta
Which technology decouples the OS, applications, and user state from a physical compute
system?
Respuesta
-
Application virtualization
-
Storage virtualization
-
Thin client virtualization
-
Desktop virtualization
Pregunta 146
Pregunta
What provides the ability to automatically relocate extents across physical storage drives
over the entire pool when new drives are added to the pool?
Respuesta
-
Storage pool rebalancing
-
Extent relocation
-
Storage pool tiering
-
Automated extent tiering
Pregunta 147
Pregunta
What is a key advantage of implementing FCIP?
Respuesta
-
Provides a disaster recovery solution by replicating data across data centers.
-
Enables migration of VMs across data centers by using existing FC networks.
-
Ensures lossless transmission of FC traffic across data centers over Ethernet.
-
Provides a dedicated network for transmission of storage traffic within a data center.
Pregunta 148
Pregunta
Why should a replica be consistent with its source?
Respuesta
-
Ensure the usability of the replica
-
Reduce the need to create multiple replicas
-
Ensure the security of the replica
-
Reduce the size of the replica
Pregunta 149
Pregunta
What is a benefit of deploying a Defense in Depth strategy?
Respuesta
-
Provides additional time for organizations to detect and respond to an attack
-
Eliminates the attack vector from the IT infrastructure
-
Eliminates the attack surface from the IT infrastructure
-
Enables organizations to deploy a unified security solution
Pregunta 150
Pregunta
What is an accurate statement about OpenID control?
Respuesta
-
Enables an organization to use authentication services from an identity provider
-
Enables initiators and targets to authenticate each other by using a shared secret code
-
Provides strong authentication for client-server applications by using secret-key cryptography
-
Allows a client to access protected resources from a resource server on behalf of a resource owner
Pregunta 151
Pregunta
What does an area ID represent in Fibre Channel (FC) addressing?
Respuesta
-
Group of switch ports
-
Switch within a group
-
Port within a group
-
Group of switches
Pregunta 152
Pregunta
An organization plans to deploy a new application in their environment. The new application
requires 4 TB of storage space. During peak workloads, the application is expected to generate
4900 IOPS with a typical I/O size of 8 KB. The capacity of each available disk drive is 500 GB.
The maximum number of IOPS a drive can perform at with a 70 percent utilization is 110 IOPS.
What is the minimum number of disk drives needed to meet the application's capacity and performance requirements given a RAID 0 configuration?
Respuesta
-
8
-
20
-
30
-
45
Pregunta 153
Pregunta
What is an accurate statement about a hybrid cloud?
Respuesta
-
Supports data and application portability for load balancing between clouds
-
Allows organizations with common concerns to share the cost of deploying the cloud
-
Enables the entire cloud infrastructure to be controlled by the consumer's IT staff
-
Allows an organization to outsource the implementation of a private cloud to a cloud provider
Pregunta 154
Pregunta
What is a benefit of source-based deduplication over target-based deduplication?
Respuesta
-
Backup processing is offloaded from the backup client
-
Less backup data is stored on the backup server
-
Backup data can be retained longer
-
Only unique data is sent over the network to be backed up
Pregunta 155
Pregunta
What is an accurate statement about hypervisor-based continuous data protection (CDP)?
Respuesta
-
Write splitter is embedded in the hypervisor
-
Journal is stored in a virtual machine
-
Journal and replica use the same storage volume
-
Virtual appliance runs on a storage system
Pregunta 156
Pregunta
Which benefit does the measured service characteristic provide to a cloud service provider?
Respuesta
-
Enables control and optimization of resource use
-
Enables cloud services to communicate with each other
-
Enables availability of specific resources depending on policy
-
Enables the reduction and/or elimination of upfront IT expenditure
Pregunta 157
Pregunta
What is a function of a Fibre Channel Forwarder in an FCoE SAN?
Respuesta
-
Applies zoning configurations and provides fabric services
-
Transfers FCoE traffic over an FC SAN
-
Encapsulates IP packets into FC frames
-
Provides both NIC and FC HBA functionality
Pregunta 158
Pregunta
What is a key objective to performing continuous replication?
Respuesta
-
Avoid performing data archiving.
-
Reduce the RPO to near-zero.
-
Reduce the deduplication ratio
-
Avoid performing data backups.
Pregunta 159
Pregunta
What is an accurate statement about infrastructure discovery?
Respuesta
-
Creates an inventory of infrastructure components and provides information about the components
-
Standardizes on-going infrastructure management activities andassesses potential risks of the activities
-
Classifies, organizes, and analyzes all infrastructure management bestpractices stored in data lakes
-
Detects potential security attacks on a storage infrastructure and deploys specialized tools to eliminate the attacks
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