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EMC DES-1B21 Exam
Specialist - Implementation Engineers, Elastic Cloud Storage
(ECS) Exam
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1. The ECS network solution for an organization is designed to have 4x10bE uplinks
connected to both Cisco switches. The organization will create the needed port channels.
What additional configuration on Cisco switches is recommended for high availability and
redundancy?
A.Ring topology
B.Dedicated VLANs
C.Spanning tree protocol
D.Virtual port channel
Answer: B
2. When a disk state is suspect, what are the allowable options?
A.Read
B.Write
C.Read and write
D.No operations allows
Answer: A
3. Which ECS array license file enables data services for storage management?
A.ViPR Commodity
B.ViPR HDFS
C.ViPR Unstructured
D.ViPR ECS
Answer: C
4. An organization needs to isolate each business unit form the other such that each unit
has its own user management, replication configuration and encryption policy.
What should the organization create on the ECS?
A.Multiple object users
B.Different buckets
C.Multiple replication groups
D.Different namespaces
Answer: C
5. 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.cat /etc/resolve.conf
B.get rackingfo -r
C.infconfig
D.nslookup
Answer: C
6. What does ECS S3 authentication with signature version 2 use to sign requests?
A.Access key ID
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B.Secret key
C.Credential scope
D.Namespace name
Answer: A
7. Which type of data service is provided by ECS?
A.NFSv2
B.CIFS
C.Block
D.Object
Answer: C
8. In an environment with two or more VDCs, which operation is unavailable when
network connectivity is interrupted between the VDCs?
A.Read object
B.Update object
C.Write object
D.Create bucket
Answer: A
9. What is a prerequisite for an end user to obtain the license file?
A.License Authorization Code (LIC)
B.ECS access to ELMs website
C.Software ID (SWID)
D.Number of ECS nodes
Answer: A
10. Which data encryption mode is supported by ECS?
A.RSA BSAFE FIPS 140-2
B.Standard CBC
C.GCM
D.SEC 17-A4
Answer: B
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CCNP 300-101,300-115,300-135
CompTIA A+ 220-1001,220-1002
Storage C1000-016, C1000-020, C1000-021, C1000-022
Azure Architect AZ-300, AZ-301
Coating Inspector NACE-CIP1-001, NACE-CIP2-001
HCIP-R&S H12-322-ENU, H12-322-ENU, H12-322-ENU
HCIP-Storage H13-621-ENU, H13-622-ENU, H13-623-ENU
365 Certified: Enterprise Administrator Expert MS-100, MS-101
365 Certified: Teamwork Administrator Associate H12-322, H12-322
365 Certified: Modern Desktop Administrator Associate H12-322, H12-322
NSE 5 Network Security Analyst NSE5_FMG-6.0, NSE5_FAZ-6.0
Certified: Azure Data Engineer Associate H12-322, H12-322
MCSA: Windows Server 2016 H12-322,70-741,70-742
CCNA Data Center 200-150,200-155
CCNA Cyber Ops 210-250,210-255
HCIP-Security H12-721-ENU, H12-722-ENU, H12-723-ENU
HCIP-Cloud Computing H13-522-ENU, H13-523-ENU, H13-524-ENU
CCNP Data Center 300-160,300-165,300-170,300-175
CCNA 200-105,100-105
CCNP Security 300-206,300-208,300-209,300-210
CCNA Collaboration 210-060,210-065
TOGAF 9 Certified OG0-091, OG0-092
CompTIA A+ New 220-901,220-902
LX0-103, LX0-104
EMCC-1 101-400,102-400
EMCC-2 201-450,202-450
HCIP-WLAN H12-321-ENU, H12-322-ENU
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