(PDF) EMC Specialist DES-1B21 Exam and Certification Test Engine
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How much Specialist - Implementation Engineer, ECS DES-1B21 costs
- Examination Name: Specialist - Implementation Engineer, ECS DES-1B21
- Length of Exam: 90 min
- Types of questions: Performance Based Questions
- No of Questions: 60 Questions
- Examination Fees: $180 USD
- Passing Score: 63 or higher
NEW QUESTION 28
In an environment with two or more VDCs, which operation is unavailable when network connectivity is
interrupted between the VDCs?
- A. Write object
- B. Create bucket
- C. Update object
- D. Read object
Answer: D
Explanation:
Explanation/Reference:
Reference: https://storageconsortium.de/content/sites/default/files/downloads/EMC%20ECS%
20WP_h14071-ecs-architectural-guide-wp.pdf (30)
NEW QUESTION 29
Which two licenses are required on Dell EMC Isilon to write to ECS?
- A. SyncIQ and SmartQuotas
- B. CloudPools and SmartPools
- C. SmartPools and SnapshotIQ
- D. CloudPools and SnapshotIQ
Answer: B
NEW QUESTION 30
The ECS is not PXE-booting nodes 2 through 8. Which command should be run to check PXE boot status?
- A. viprexec 'cat /proc/httpd'
- B. getrackinfo -p RackInstallServer
- C. cat /var/log/httpd
- D. getrackinfo -a
Answer: B
NEW QUESTION 31
Which ECS Advanced Retention Management (ARM) feature enables applications to specify a retention period that will trigger when the CAS application receives a specified condition?
- A. Litigation Hold
- B. Extended Retention Period
- C. Min/Max Governor
- D. Event Based Retention
Answer: D
NEW QUESTION 32
In the Storage Service Layer, which distributed shard service runs on each ECS node to mange transactions and ensure data is committed?
- A. Unstructured Storage Engine
- B. Erasure coding
- C. Server-side encryption
- D. ECS meta-data management
Answer: A
NEW QUESTION 33
How should a federation be configured when a primary ECS VDC already exists?
- A. First get the VDC access key from the primary ECS of the federation and then add it to the secondary VDC
- B. First create the storage pool on the secondary ECS and then configure it on the primary ECS of the federation.
- C. First configure the secondary ECS as standalone and then add the VDC to the federation.
- D. Add the secondary VDC to the federation during fabric and HAL installation.
Answer: C
NEW QUESTION 34
An implementation engineer is installing ECS and sees that node names are not resolving to the public IP address. Which command should they use to validate the ECS DNS configuration?
- A. cat /etc/resolv.conf
- B. nslookup
- C. getrackinfo -r
- D. ifconfig
Answer: C
NEW QUESTION 35
Which configuration task is optional in ECS when enabling Dell EMC Isilon CloudPools and ECS integration?
- A. Generate a S3 secret key to add to the CloudPools configuration
- B. Install the CloudPools license in ECS
- C. Create an object user account for CloudPools access
- D. Create a dedicated storage pool CloudPools storage
Answer: A
NEW QUESTION 36
When updating the ECS topology file for installation, which IP set should be used for installation of HAL and fabric?
- A. Private
- B. Public
- C. Data
- D. Management
Answer: A
NEW QUESTION 37
The ECS network solution for an organization is designed to have 4x10GbE uplinks connected to both Cisco switches. The organization will create the needed port channels.
What additional configuration on the Cisco switches is recommended for high availability and redundancy?
- A. Ring topology
- B. Dedicated VLANs
- C. Virtual port channel
- D. Spanning tree protocol
Answer: B
NEW QUESTION 38
An ECS storage administrator creates a bucket to be used by the NFS clients. The development team tries to write some objects using the S3 browser on the bucket. They call the storage administrator to inform them that they are experiencing write operation errors.
What is a possible reason for the errors?
- A. Base URL was not configured
- B. Object user needs write credentials
- C. Secret key used is not correct
- D. Bucket is Read only
Answer: D
NEW QUESTION 39
An implementation engineer is installing ECS and sees that node names are not resolving to the public IP addresses. Which command should they use to validate the ECS DNS configuration?
- A. get rackingfo -r
- B. nslookup
- C. cat /etc/resolve.conf
- D. infconfig
Answer: D
NEW QUESTION 40
ECS has old data on the disks. What command should be used to prepare the disks for a new install of the ECS software?
- A. b1kid
- B. dcmulti cs_hal list disks
- C. viprexec "parted rm *"
- D. viprexex -i "clean_disks -all-dae-internal-nonsystem-disks"
Answer: C
NEW QUESTION 41
An organization wants to use network separation to eliminate exposure of the separated traffic to the entire ECS public network. Which network separation method should they use?
- A. Multi
- B. Dual
- C. VIP
- D. VLAN
Answer: B
NEW QUESTION 42
What is the correct order of steps used to create a VDC federation?
Answer:
Explanation:
NEW QUESTION 43
A company has removed the VDC from the replication group and is no longer able to add it back. What is the cause of this issue?
- A. The same VDC cannot be added back to the replication group, it must be given another name
- B. Removing the VDC from the replication group initiates failover processing for permanent failures
- C. The same VDC can be added back to the replication group, but only before failover processing is completed successfully
- D. The VDC cannot be added back to the existing replication group, a new replication group must be created for the VDC
Answer: A
NEW QUESTION 44
Which tool is used for Application Cliplist generation?
- A. JCenteraVerify
- B. JCASScript
- C. CenteraExerciser
- D. CUA
Answer: A
NEW QUESTION 45
During pre-ECS software installation, which system check should be manually performed?
- A. Platform data
- B. Rack networking
- C. Network separation
- D. Disk configuration
Answer: C
NEW QUESTION 46
How would you check the current color of an ECS rack?
- A. cat /etc/HOSTNAME
- B. getrackinfo
- C. rpm -ivh --color=red ecs-os-base
- D. cat /var/tmp/installer/provisioning.txt
Answer: B
NEW QUESTION 47
When updating the ECS topology file for installation, which IP set should be used for installation of HAL, and fabric?
- A. Public
- B. Management
- C. Private.4
- D. Data
Answer: B
NEW QUESTION 48
A storage administrator is trying to create a new bucket using s3curl.pl. They use a URL, pointing to their load balancer. The SSL connection is terminated on the load balancer.
What port number should be used all the command line?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 49
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