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TEST BORRADO, QUIZÁS LE INTERESEDEA-1TT4_1

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Título del test:
DEA-1TT4_1

Descripción:
Information Storage Management v4

Autor:
AVATAR

Fecha de Creación:
18/10/2021

Categoría:
Informática

Número preguntas: 105
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Temario:
Which Dell EMC product is a disk-based backup and recovery solution that provides inherent source-based deduplication? Data Domain SRDF TimeFinder Avamar.
What is an accurate statement about scale-out NAS? Creates a different file system for each node in the cluster Stripes data across nodes with mirror or parity protection Supports only data replication for protecting data Pools node resources in a cluster to work as multiple NAS devices.
What does the "variability" characteristic of big data signify? Importance in obtaining the right information from data at all possible contexts Cost-effectiveness and business value obtained from massive volumes of data Diversity in the formats and types of data generated from various sources Importance in the quality of data gathered from a number of sources.
What is determined by the amount of space configured for the journal in continuous data protection (CDP) replication? Length of time required to recover the data Length of time the recovery points can go back Amount of data that can be restored to a specific point Amount of space the source and replica volumes require.
)In a RAID 6 array with four disks, what is the total usable data storage capacity on the array if the disk size is 200 GB? 200 GB 400 GB 600 GB 800 GB.
What accurately describes an object-based storage device (OSD)? One object can be placed inside another object Objects are created based on the name and location of the file Objects exist at the same level in the address space Numerous objects can be stored in a single namespace.
What is a function of the metadata service in an object-based storage device (OSD)? 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.
Why is it important for organizations to implement a multi-site remote replication solution? Ensure data protection is always available if there are any single site failures Provide consistent near-zero RPO in the event of source and remote site failures Perform synchronous replication with low network bandwidth Recover data to any point-in-time in the event of a remote site failure .
What is an accurate statement about Storage Class Memory (SCM)? SCM is faster than DRAM SCM read and write speeds are slower than flash SCM can be addressed at the bit or word level SCM has volatile memory.
In an SDS environment, which protocol supports the resource-oriented architecture for the development of scalable and lightweight web applications while adhering to a set of constraints? FTP NFS CIFS REST.
Which data deduplication method increases the probability of identifying duplicate data even when there is only a minor difference between two documents? Variable-length segment Single-instance File-level Object-level.
Which Dell EMC product is a software-defined storage platform that abstracts, pools, and automates a data center’s physical storage infrastructure? XtremIO ViPR Controller VxFlex OS PowerMax.
Which VMware product has pre-defined workflows that helps to automate and coordinate the service delivery and operational functions in a storage infrastructure? NSX vSphere ESXi vRealize Orchestrator Horizon.
What is a benefit of using an existing IP-based network infrastructure for storage connectivity? Provide a dedicated network for storage Provide the ability to extend the network over long distances Ensure lossless transmission of FC traffic over Ethernet Ensure security by allowing only localized data movement.
Which security mechanism ensures secure access to internal assets while enabling Internet-based access to selected resources? Virtual local area network Demilitarized zone Virtual private network Discovery domain.
Which product enables employees to enroll their mobile devices in an enterprise environment and ensures secure access from the devices to the enterprise resources? Dell PowerEdge Dell InTrust VMware AirWatch VMware AppDefense.
What happens when the size of a write I/O request exceeds the configured write aside size in a block-based storage system? Cache is bypassed and I/O is written directly to storage Write aside size is automatically reconfigured to the new write I/O size Warning message to reduce the size of write I/O is displayed Write data is lost and a re-write request is sent to the compute system.
What is an impact of a Denial-of-Service attack? Privileges are intentionally misused to compromise data security User’s credentials are eavesdropped by the attacker Computing resources are exhausted and made unavailable to users User’s accounts and data are compromised by malicious insiders.
19)What is the objective of security control? Minimize the attack surfaces and minimize the work factors Maximize the attack surfaces and minimize the attack vector Minimize the attack surfaces and maximize the work factors Maximize the attack surfaces and maximize the attack vector.
An organization wants to use an application for their business communication. However, they do not have the skills or the time to deploy and manage an application in-house. Which recommended cloud service model will meet their requirement? Infrastructure as a Service Database as a Service Software as a Service Platform as a Service.
What is a key benefit for performing local replication? Reduce the time to perform data backups Enable operational recovery of data if there is a data loss Provide disaster recovery as a service offering Enable data recovery in the event of a site-level disaster.
Which functionality is provided by a process login in a Fibre Channel (FC) SAN environment? Exchanges service relevant parameters between an N_port and an N_port Establishes a connection to the fabric between an N_port and an F_port Exchange ULP-related parameters between two N_ports Establishes a session that occurs between two E_ports.
Why is it important for organization to deploy intelligent storage systems in their data centers? Reduce the complexity of managing information by creating silos of storage Effectively migrate data from a data center to the cloud at no cost Reduce the amount of data to be replicated, migrated, and backed up Effectively store and manage information across data centers.
Which compute system component enables dynamic extension of file system capacity and efficient storage management? Logical Unit Number Logical Unit Number Masking Logical Volume Manager Virtual Memory Manager.
In a Fibre Channel (FC) protocol stack, what is the function of the FC-2 layer? Provides transmission words, primitive signals, and link initialization Provides FC addressing, structure, and organization of data Provides standards for the physical interface, media, and transmission of bits Provides application interfaces and maps several protocols to FC layers.
A company has virtualized their data center and wants to deploy a recovery-in-place backup approach. What is the advantage of this type of approach? Acquires backup services through a self-service portal Eliminates the backup impact on the application servers Reduces the recovery point objective to restore the data to any previous point-in-time using backed up VMs Eliminates the need to transfer the image from the backup device to the primary storage before it is restarted.
29)Which state change notifications (SCNs) are issued by an iSNS server to the registered devices? CPU events Output events Input events Network events.
Why is it important to deploy virtual machine (VM) storage migration in a data center environment? Enable efficient management of storage capacity across storage systems Improve the security of applications running inside VMs on the migrated storage system Reduce a company’s overall storage system capacity requirements Enable VMs to continue functioning even if the source data is lost due to a failure.
Which layer contains services that define network behavior through policies and resource requirements in a software-defined networking architecture? Interface Control Application Infrastructure.
Which Converged Network Adapter (CNA) component encapsulates Fibre Channel (FC) frames into Ethernet frames? PCIe Bus Fibre Channel HBA Fibre Channel Forwarder FCoE ASIC.
Which parameters define information availability in an IT environment? Capacity, Availability, and Performance Reliability, Integrity, and Performance Confidentiality, Integrity, and Availability Reliability, Accessibility, and Timeliness.
Which file system uses only UNIX systems for a client-server application protocol and Remote Procedure Call (RPC) for file sharing? New Technology File System (NTFS) Common Internet File System (CIFS) Hadoop Distributed File System (HDFS) Network File System (NFS).
Which management function involves configuring LUN masking to restrict hosts from accessing a specific LUN in a data center environment? Performance Management Change Management Security Management Configuration Management.
What is an accurate statement about a virtual SAN (VSAN)? Events causing traffic disruptions in one VSAN are propagated to other VSANs Nodes that are present in different VSANs should not have the same FC address Every VSAN created on a physical SAN must have the same fabric configuration Each VSAN has its own fabric services, configuration, and set of FC addresses.
Why is it important for organizations to implement a backup solution in a data center environment? Improve the integrity of critical data Ensure the availability of production data Minimize the cost of data protection Reduce redundant data in a production environment.
What is a characteristic of the Orchestration layer in a modern data center architecture? Interacts directly with physical components across layers to begin provisioning tasks Enables automatic updates of offerings listed in the service catalog with pre-defined workflows Allows centralized, automated, and policy-driven management of heterogeneous resources Enables automated arrangement, coordination, and management of resource provisioning tasks.
What is an accurate statement about Governance? Restrict access to certain users Ensure removal of security risks Authorize policy-making decisions Demonstrate adherence to polices.
A Fibre Channel switch has eight ports, and all ports must be operational from 8 AM to 8 PM, Monday through Friday. However, a failure of Port 2 occurs on a particular week as follows: Monday = 10 AM to 12 PM --2 Wednesday = 4 PM to 9 PM—4 (8PM to 9PM is not calculated) Thursday = 4 PM to 7 PM -- 3 Friday = 3 PM to 6 PM--3 Saturday = 9 AM to 1 PM—not calculated What is the availability of Port 2 in that week? 70% 71.6% 78.3% 80%.
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? 2 hours 3 hours 28 hours 38 hours.
An Ethernet switch has eight ports and all ports must be operational for 24 hours; from Monday through Friday. However, a failure of Port 5 occurs as follows: ✑ Tuesday = 6 AM to 7 AM ✑ Thursday = 5 PM to 9 PM ✑ Friday = 8 AM to 9 AM What is the MTBF of Port 5? 30 hours 32 hours 40 hours 38 hours.
What accurately describes an iSCSI HBA? 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.
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? 3 4 8 12.
What is a key advantage of cloning a virtual machine (VM)? 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.
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? Role-based Profile-based Signature-based Anomaly-based.
In an archiving environment, how is a content address created in a content addressable storage (CAS) system to store an object? 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. .
What is a benefit of link aggregation? 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.
In a compute-based storage area network (SAN), what is a function of the metadata manager? 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.
Why is it important for organizations to store, protect, and manage their data? 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.
A Fibre Channel switch has eight ports and all ports must be operational 24×7. 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? 93% 94.1% 95.8% 97%.
Which layer of the OSI model provides the functional and procedural methods to transfer data between network entities? Data link Presentation Session Application.
What is an accurate statement about variable prefetching? 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.
Which Dell EMC product is a hyper-scale storage infrastructure that provides universal accessibility with support for object and HDFS? ViPR Controller PowerMax Isilon Elastic Cloud Storage.
Which cloud deployment model allows provisioning of a cloud infrastructure only for use by a single organization having multiple consumers? Public cloud Multi-cloud Hybrid cloud Private cloud.
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? 8 40 50 70.
A company plans to deploy a new application in their environment. The new application requires 5 TB of storage space. During peak workloads, the application is expected to generate 3000 IOPS with a typical I/O size of 3 KB. The capacity of each available disk drive is 750 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? 7 34 50 40.
Which technology decouples the OS, applications, and user state from a physical compute system? Application virtualization Storage virtualization Thin client virtualization Desktop virtualization.
What is the goal of a business continuity solution? 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.
What accurately describes virtual SAN (VSAN) trunking? 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.
What does an area ID represent in Fibre Channel (FC) addressing? Group of switch ports Switch within a group Port within a group Group of switches.
Which functionality does a Control layer provide in a software-defined networking architecture? 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.
What accurately describes an Incident in a storage infrastructure? 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.
What accurately describes the scale-out storage architecture? 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.
Which technology combines NAND flash memory into a hard disk drive and is a single, integrated device incorporating both types of storage? Solid-state drive Dual drive Fibre Channel drive Solid-state hybrid drive.
Which 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? PowerMax VxFlex OS ViPR Controller XtremIO.
Which Internet of Things (IoT) component is responsible for the automation of operations by applying a force based on the dynamics of data? Actuator Switch Sensor Gateway.
In an FCoE switch, which function is provided by the Fibre Channel Forwarder (FCF)? 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.
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? Machine learning Social networking Cloud computing Internet of Things.
Why are organizations moving towards a modern data center implementation? 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.
What is a key objective to performing continuous replication? Avoid performing data archiving. Reduce the RPO to near-zero. Reduce the deduplication ratio. Avoid performing data backups.
What accurately describes a shared pool in virtual provisioning? 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.
Which data archiving component scans primary storage to find the files that meet the archiving policy? Archive storage Archive database server Archive agent Archive stub file.
In the event of a disk failure, which RAID level enables quick data reconstruction? RAID 3 RAID 5 RAID 6 RAID 10.
What is an advantage of implementing file-level virtualization in a data center environment? Provides non-disruptive file mobility across file servers or NAS devices. Provides automated scaling of file systems across NAS servers. Provides the capability to access files from any device. Provides dynamic distribution of files across NAS clients.
Which product delivers virtualized or hosted desktops and applications through a single platform? VMware Horizon Dell EMC VxRail Appliance VMware NSX Dell PowerEdge servers.
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? Dell InTrust Dell Change Auditor VMware AppDefense VMware AirWatch.
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? $ 200 $ 400 $ 800 $ 1500.
What is an example of a Performance Management task? 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.
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? 2 3 4 5.
Which file system uses a MapReduce framework to run applications and a NameNode for managing the file system? New Technology File System (NTFS) Hadoop Distributed File System (HDFS) Network File System (NFS) Common Internet File System (CIFS).
When using a bridged iSCSI connection, which components facilitate communication between gateways? 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.
What accurately describes hypervisor-based continuous data protection? 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.
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? 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.
What is an accurate statement about stretched VLANs? 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.
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? Storage as a Service Platform as a Service Infrastructure as a Service Software as a Service.
Which Dell EMC product enables continuous protection for any PIT recovery and offers multi-site support? RecoverPoint Avamar SourceOne SRDF.
What accurately describes a software-defined architecture? 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.
What is an advantage of deploying a purpose-built, disk-based backup appliance in a data center environment? 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.
What is a key advantage of implementing FCIP? 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.
If a company has experienced a passive attack on its IT infrastructure, how is the company's security impacted? Access to services is denied. Availability of data is affected. Information privacy is compromised. Data is altered by an unauthorized user.
Passive attacks attempt to gain unauthorized access into the system 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? Multi-factor authentication Demilitarized zone Data shredding Encryption.
A company wants to implement a Fibre Channel (FC) SAN topology. The implementation will involve deploying four switches for localized compute and storage system connectivity. In addition, to meet their applications' performance requirements, they need a maximum of one ISL and redundant connections for their compute to storage traffic. Which topology should be recommended? Full mesh topology Bus topology Partial mesh topology Single-switch topology .
Which technology uses the concept that real-life objects can independently share and process information with minimal human interaction? Deep Learning Cloud computing Internet of Things Artificial Intelligence.
Which Dell EMC product provides a software-defined platform that supports both block and file storage services? XtremIO PowerMax FAST VP VPLEX.
Why is it important for organizations to implement a backup solution in a data center environment? Improve the integrity of critical data Ensure the availability of production data Minimize the cost of data protection Reduce redundant data in a production environment.
What is a characteristic of the Orchestration layer in a modern data center architecture? Interacts directly with physical components across layers to begin provisioning tasks Enables automatic updates of offerings listed in the service catalog with pre-defined workflows Allows centralized, automated, and policy-driven management of heterogeneous resources Enables automated arrangement, coordination, and management of resource provisioning tasks.
What is the primary advantage of RAID 6 compared to RAID 5? High available storage capacity Low write penalty High resiliency Low rebuild time for data.
What creates a large-scale SAN without storage systems and uses local storage of existing compute systems? Compute-based SAN Software-defined compute Storage-based SAN Software-defined network.
Based on the exhibit, which type of storage does the “X” represent? File-based Block-based Object-based Unified-based.
Based on the exhibit, what does the “X” represent? NACK SYN ACK SYN SYN NACK SYN ACK.
Which operation is represented in the exhibit? Write-back Cache Read Cache Miss Write-through Cache Read Cache Hit.
Based on the exhibit, what does the "X", "Y", and "Z" represent in a NAS environment? X = FC SAN, Y = IP Network, and Z = NAS Gateway X = IP Network, Y = FC SAN, and Z = NAS Gateway X = FC SAN, Y = NAS Gateway, and Z= IP Network X = IP Network, Y = NAS Gateway, and Z = FC SAN.
Which type of zoning does the "X" represent? Fabric zoning WWN zoning Mixed zoning Port zoning.
Which type of zoning does the "X" represent? Fabric zoning WWN zoning Mixed zoning Port zoning.
What does the "X" represent in the exhibit? E_port F_port N_port NL_port.
Based on the exhibit, what does the "X" represent in the FCIP tunnel configuration? VX_port EX_port F_port VE_port.
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