EMC DEA-1TT5 Practice Exam – 307 Unique Questions [Q170-Q187]

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EMC DEA-1TT5 Practice Exam – 307 Unique Questions

Latest Questions DEA-1TT5 Guide to Prepare Free Practice Tests

QUESTION 170
Based on the exhibit, what does the “X” represent?

NACK SYN

ACK SYN

SYN NACK

SYN ACK

QUESTION 171
Which performance feature does an intelligent storage system provide?

Automated storage tiering

RAID 4 data protection

End-to-end NVMe/IB storage connectivity

End-to-end SAS storage connectivity

Explanation
Automated storage tiering is a feature of an intelligent storage system that allows data to be moved between tiers of storage based on usage patterns. This can provide better performance and cost savings by ensuring that data is stored in the most appropriate storage tier for its access patterns. For example, data that is frequently accessed can be stored in higher-performing storage tiers, while data that is infrequently accessed can be moved to lower-performing, lower-cost storage tiers.

QUESTION 172
Refer to the exhibit.

What type of NAS system(s) processes file write and read operations as described in the example?

Scale-up and integrated NAS systems

Scale-up NAS system only

Scale -out NAS system

Integrated NAS system only

QUESTION 173
What is a benefit of source-based deduplication over target-based deduplication?
Response:

Backup data can be retained longer

Only unique data is sent over the network to be backed up

Backup processing is offloaded from the backup client

Less backup data is stored on the backup server

QUESTION 174
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)

QUESTION 175
What is a benefit of using content addressed storage (CAS) as an archival solution?
Response:

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

QUESTION 176
What accurately describes the flow control mechanism in an FC SAN?
Response:

Both transmitting and receiving ports agree on the number of buffers available during port login

Negotiation occurs between an E_Port and an F_Port, and between two N_Ports

Credit value is incremented when a frame is transmitted and decremented upon receiving a response

Receiver Ready (R_RDY) is sent from the receiving port if available credits reach zero

QUESTION 177
What is an advantage of performing incremental backups compared to cumulative backups for the same data?

Requires more time to perform data backup

Storage capacity needed for backups is significantly reduced

Requires more storage capacity for backup

Reduces restore time but requires a maximum of two copies

QUESTION 178
What is the stripe size of a 5-disk RAID 5 group with a strip size of 32 KB?
Response:

96 KB

120 KB

128 KB

160 KB

QUESTION 179
What does the “variability” characteristic of big data signify?
Response:

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

mportance in the quality of data gathered from a number of sources

QUESTION 180
What is a function of VM hardening?

Isolate VM storage media to ensure data validity

Isolate VM storage media to prevent data leaks

Change the default configuration of the VM to enhance security

Implement access control list across the VMs to enhance security

QUESTION 181
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?

4500iops/90iops = 50 disks
50*250GB = 12500 gb
(12500gb * 0.7)/1000 = 8.75 TB which is > 2 TB , utilization is 2/12.5 * 100(%) = 16% os is < 70%

QUESTION 182
What is a benefit of using converged infrastructure for building a data center?
Response:

Reduces the time to acquire and deploy the infrastructure

Provides the flexibility to purchase individual IT components

Integrates existing IT components into the infrastructure

Offers the flexibility to change vendors and prevent vendor lock-in

QUESTION 183
Refer to the exhibit. What type of NAS system(s) processes file write and read operations as described in the example?

Scale-up and integrated NAS systems

Scale-up NAS system only

Scale-out NAS system

Integrated NAS system only

QUESTION 184
Why should organizations use Fibre Channel over IP?
Response:

To provide a dedicated network for transmission of backup traffic within a data center

To support replication of data across data centers for disaster recovery

To enable migration of VMs across data centers by using existing FCoE networks

To enable migration of storage between cloud by using existing FC networks

QUESTION 185
What contains the information about backup configuration and backup metadata?

Backup catalog

Proxy server

Tracking database

Backup image

QUESTION 186
What is a benefit of differential backup over incremental backup?

Differential backups have longer restore times than incremental backup.

Incremental backup can expand to contain more data than differential backup.

Incremental backups determine the backup copy used to restore the data.

Differential backup can expand to contain more data than an incremental backup.

QUESTION 187
Which LUN expansion technique provides both capacity expansion and performance improvement?

Striped metaLUN

Partitioned metaLUN

Virtual metaLUN

Concatenated metaLUN

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