最新的EMC E20-385免費考試真題

問題1

While implementing an EMC Data Domain system, the system is unable to join the Microsoft Active Directory domain. What is preventing the system from joining the domain?

A. Backup user does not have operator privileges

B. System time varies from AD server time by 310 seconds

C. Unstable Fibre Channel connectivity to the AD server

D. Kerberos tickets are 210 seconds old and stale

正確答案: B

問題2

Which method of deduplication yields better deduplication results for multiple data types?

A. Variable segment size due to its ability to add data to a variable segment and move the data stream

B. Variable segment size due to its ability to split the data stream into segments

C. Fixed segment size due to its ability to add data to a fixed segment and move the data stream

D. Fixed segment-based due to its ability to allow sub-file chunking of data

正確答案: B

問題3

A customer has configured an MTree (/data/col1/departments) on an EMC Data Domain system with two subdirectories configured as Sales and HR. They want to configure replication to replicate only the Sales subdirectory to another Data Domain system. In addition, they do not want to replicate the HR subdirectory.
How can this be accomplished?

A. Perform a fast copy of the subdirectory /data/col1/departments/Sales and replicate the copy

B. Move the Sales subdirectory to its own MTree

C. Take a snapshot of the Sales subdirectory and replicate the snapshot

D. Configure directory replication for the subdirectory /data/col1/departments/Sales

正確答案: B

問題4

You are responsible for capacity planning in an EMC Data Domain environment. While monitoring space usage over a series of weeks, you notice a sudden increase in space consumption. The new rate of consumption will require additional capacity.
What is the most likely cause?

A. Retention period was decreased from 16 weeks to 12 weeks

B. A new project on the client systems involve high volume of pre-compressed file types

C. Rate of change in incoming data is resulting in fewer incremental backups

D. Rate of full backups was changed from twice a week to once a week

正確答案: B

問題5

If cleaning is already in progress, when does data movement to the retention tier on a Dell EMC Data Domain system start?

A. During the next scheduled data movement

B. Already started; it occurs during cleaning

C. After suspending the cleaning process

D. Immediately after the cleaning completes

正確答案: A

問題6

An EMC Data Domain customer notices that backups are exceeding the backup window every Tuesday morning. What should be done to help the backup complete within the desired window without introducing locality or space reclamation issues?

A. Disable file system cleaning

B. Increase the file system cleaning frequency to twice per week

C. Reduce the file system cleaning throttle percentage

D. Perform manual file system cleaning daily

正確答案: C

問題7

In which path location are Autosupport logs stored on an EMC Data Domain system?

A. /data/col1/support

B. /data/col1/debug

C. /ddvar/support

D. /ddvar/log/debug

正確答案: C

問題8

An administrator wants to decrease the time needed to back up data to a locally connected EMC Data Domain system. In addition, the administrator wants to reduce the amount of network traffic generated by the backup software.
Which DD Boost capability will achieve this requirement?

A. Low Bandwidth Optimization

B. Advanced Load Balancing and Failover

C. Managed File Replication

D. Distributed Segment Processing

正確答案: D

問題9

If cleaning is already in progress, when does data movement to the Extended Retention Tier start on an EMC Data Domain system?

A. During the next scheduled data movement

B. In parallel to the cleaning

C. Immediately after the cleaning completes

D. During the next scheduled data balancing

正確答案: C

問題10

Refer to the Exhibit.

On the EMC Data Domain system, what is the approximate amount of disk space consumed on November 11?

A. 9 GiB

B. 10 GiB

C. 24 GiB

D. 20 GiB

正確答案: C

問題11

A customer notices an improved deduplication rate and write time into their EMC Data Domain system while multiplexing is turned off. What is the reason?

A. Multiplexed streams negatively impact the deduplication process

B. Data flow is reduced with multiplexing

C. Data rates increase on the backup server with multiplexing

D. Multiplexed streams increase backup server disk usage

正確答案: A

問題12

A customer is implementing an EMC Data Domain system integrating Symantec NetBackup using CIFS.
Which device type should be configured on the backup server to use the Data Domain system?

A. Backup-to-disk folder

B. Jukebox

C. Disk storage unit

D. adv_file type device

正確答案: C

問題13

A customer is deploying an EMC Data Domain system for virtual tape library emulation and uses barcode labeling of AAA000LB. How many tapes can be created with this specification?

A. 999

B. 9,999

C. 1,000

D. 100

正確答案: C

問題14

What is a characteristic of EMC Data Domain collection replication?

A. Unique user accounts and passwords need to be configured on the replication destination

B. Replication destination must be at least twice the size of the source

C. Replication destination is dedicated to receiving data only from the source

D. Replication destination directory can also be used as a target for backups

正確答案: C

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