ISMv2-part2

1.

1 point

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

I/O is striped across multiple nodes for processing

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

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

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

2.

1 point

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

World Wide Name

Role

Cryptography

Host network address

3.

1 point

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

Write-through cache

Write cache vaulting

Write aside cache

Write-back cache

4.

1 point

Which functionality is offered by user access management software?

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

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

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

5.

1 point

What describes a repudiation attack?

An attempt to compromise accountability goals of the security

A series of repetitive attacks to the physical information infrastructure

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

Unauthorized access to information to compromise confidentiality

6.

1 point

What is an advantage of reporting on storage arrays?

Planning for storage groups

Planning for capacity

Monitoring the number of arrays

Monitoring the number of disks in a RAID group

7.

1 point

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

Availability

Performance

Scalability

Security

8.

1 point

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

Determines how long to retain backup copies

Determines how many transaction logs should be backed up

Determines the type and location of the backup media

Determines how often to take a backup of the system

9.

1 point

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

TCP offload engine

NIC with software-based iSCSI initiator

iSCSI HBA

Converged Network Adapter

10.

1 point

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?

Port binding

Virtual LAN

Virtual SAN

Fabric binding

11.

1 point

What is true about cache dirty page?

Data that has changed and has been written to disk

Data that has changed but is not yet written to disk

Data requested by the host but not yet fetched

Data read from disk but not accessed by the host

12.

1 point

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

Archiving server

Archiving agent

Archiving storage device

Archiving policy server

13.

1 point

Which benefit is provided by EMC PowerPath?

Segmentation of fabric to create VSANs

Dynamic load balancing

Multiplexing host traffic

Deduplication of network traffic

14.

1 point

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

SCSI over FCoE

SCSI over FC

FC over iSCSI

FC over SCSI

15.

1 point

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

64 KB

256 KB

128 KB

320 KB

16.

1 point

What is a characteristic of an FC-AL implementation?

Devices can be added and removed dynamically without any impact

Requires at least one connectivity device

Reserves one address for connecting an FC-SW port

Supports connectivity up to 15 million nodes

17.

1 point

What accurately describes a Vblock?

Block-based storage device

SMI specification

Virtual tape library

Cloud infrastructure package

18.

1 point

What is a characteristic of asynchronous remote replication?

Reads are always serviced from the target replica

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

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

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

19.

1 point

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

Server-based

NDMP three-way

NDMP two-way

Serverless

20.

1 point

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

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

21.

1 point

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?

$1500

$1050

$2100

$2900

22.

1 point

What is a requirement for a native iSCSI implementation?

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

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

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

Host with a NIC and an array with an FCoE port

23.

1 point

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

Backup-to-disk

CDP

Mirroring

Snapshots with CoFW

24.

1 point

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

Determine the RPO of the backup save set

Locate the data to be restored using the backup catalog

Run the restore automatically according to a schedule

Determine the RTO of the backup save set

25.

1 point

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?

Striped metaLUN

Base LUN

Concatenated metaLUN

Component LUN

26.

1 point

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

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

CAS overwrites the original content and generates a new content address

CAS overwrites the original content but the content address is preserved

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

27.

1 point

What are the key components of an intelligent storage system?

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

Host, LUNs, cache, and physical disks

Switch, ports, back-end, and physical disks

Host, connectivity, back-end, and storage array

28.

1 point

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

Information, networking, and storage

Access control, storage, and encryption

Application, management, and backup

Access control, information, and networking

29.

1 point

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

Response time

Rotational delay

Data transfer rate

Seek time

30.

1 point

Which EMC product provides target-based deduplication?

Data Domain

RecoverPoint

NetWorker

Avamar

31.

1 point

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

EUI

IQN

ARP

iSNS

32.

1 point

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

JBOD, networks, and storage arrays

Servers/operating systems, networks, and storage arrays

Servers/operating systems, SAN, and JBOD

Servers/operating systems, DAS, and NAS

33.

1 point

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?

Zoning

VSAN

Role-based access control

Access control lists

34.

1 point

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

Access control to storage objects and auditing

User authentication and user authorization

User authentication and Information Rights Management (IRM)

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

35.

1 point

What describes a hybrid cloud?

Composed of distinct clouds that are bound together by standardized or proprietary technology

Combination of two distinct cloud infrastructures (on-premise and externally-hosted) that are managed together

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

36.

1 point

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

Internet Storage Name Service

iSCSI service location discovery

SendTargets discovery

iSCSI domain name discovery

37.

1 point

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

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

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

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

38.

1 point

What is a characteristic of an enterprise flash drive?

Uses semiconductor-based solid state media

Performs rotational speed at more than 30000 rpm

Writes once and reads many

Performs data search and retrieval sequentially

39.

1 point

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

Does not enable oversubscription

Enables more efficient allocation of storage to hosts

Can be used for applications that require predictable performance

Provides full control for precise data placement

40.

1 point

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?

FC gateway

IP router

FCIP bridge

iSCSI gateway

41.

1 point

What is a characteristic of Big Data?

Structured data generated by a single source

Only unstructured data generated by multiple sources

Structured and unstructured data generated by multiple sources

Structured and unstructured data generated by a single source

42.

1 point

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

0.003 milliseconds

3 milliseconds

5 milliseconds

0.05 milliseconds

43.

1 point

What is a benefit of WWN zoning over port zoning?

A server, after replacement of its HBAs, maintains connectivity to its zone partners without the need to modify the zoning configuration.

A server, after being moved to another fabric, 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 switch port in the fabric, maintains connectivity to its zone partners without the need to modify the zoning configuration.

44.

1 point

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

10 seconds

10 hours

10 minutes

10 days

45.

1 point

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

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

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

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

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

46.

1 point

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

Service Management

Configuration and Asset Management

Capacity Planning

Chargeback

47.

1 point

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

Location of the object

Combination of data and metadata of the object

Object metadata

Binaries of the data

48.

1 point

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?

$10,521

$11,105

$10,417

$12,024

49.

1 point

What is a characteristic of an FC-SW implementation?

Supports up to 126 nodes

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

Provides a dedicated path between nodes

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

50.

1 point

Which remote replication solution has the highest bandwidth requirements?

Host-based asynchronous LVM mirroring

Log shipping over IP networks

Array-based synchronous

Array-based disk buffered