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Dell EMC DEA-1TT5 Exam
- Topic 1: Explain the cloud characteristics, cloud service models, and cloud deployment models/ Describe storage provisioning and tiering
- Topic 2: Describe the storage infrastructure management functions and processes/ Explain the NVMe over Fabrics, Software-defined storage and networking
- Topic 3: Describe replication uses, and replication and migration techniques/ Describe a compute system, storage, connectivity in a data center, and application center
- Topic 4: Describe the information availability measurements and key fault tolerance techniques/ Explain the components of an intelligent storage system, and RAID
- Topic 5: Describe software-defined data center, modern data center architecture, and options to build a modern data center/ Explain the components and connectivity of iSCSI, FCIP, and FCoE
- Topic 6: Explain backup granularity, architecture, backup targets, operations, and backup methods/ Explain the features and components of block, file, object, and unified storage system
- Topic 7: Explain key security controls to protect the storage infrastructure/ Explain the FC SAN components, FC ports, topologies, link aggregation, and SAN virtualization
- Topic 8: Describe the information security goals, terminologies, various security domains/ Explain the key characteristics of big data, big data analytics, AI/ML, Internet of Things (IoT) architecture
- Topic 9: Describe data deduplication and data archiving solutions architecture/ Describe the data classification, elements of a data center, key characteristics of a data center
Free Dell EMC DEA-1TT5 Exam Actual Questions
The questions for DEA-1TT5 were last updated On Apr. 13, 2024
A backup administrator has defined a backup policy The policy requires full backups to be performed at 9 PM every Sunday and incremental backups performed at 9 PM the remaining days If files were accidentally deleted Thursday morning, how many backup copies are required to restore the files?
In your scenario, a full backup was performed on Sunday and incremental backups were performed on Monday, Tuesday and Wednesday. If files were accidentally deleted Thursday morning, you would needtwobackup copies to restore the files:the full backup from Sunday and the incremental backup from Wednesday. This is because the incremental backup from Wednesday would contain all the changes made since Sunday's full backup.
A customer uses FCIP to connect local and remote FC SANs. The remote SAN is continuously replicated to, and used to store
daily backup dat
a. Latency over the IP WAN increases to unacceptable levels during peak replication periods. No other data
transfer services using the WAN experience the same latency problem.
What is the likely cause of the data replication performance issue?
When an Ethernet frame is larger than the maximum transmission unit (MTU) of a link, it must be fragmented into smaller pieces, which are sent separately and reassembled at the receiver. This is known as IP packet segmentation. Fragmentation and reassembly of the IP packets can add significant latency and can cause performance issues for FCIP. In this scenario, the issue is specific to data replication, indicating that the issue is with the FCIP configuration or the replication application. The other options, B, C, and D, are unrelated to the issue.
What set of components are part of a block-based storage array controller?
Front-end ports connect the storage array controller to the host servers, while back-end ports connect it to the disk drives. The cache provides temporary storage for frequently accessed data to speed up I/O operations. Link control cards manage communication between the front-end and back-end ports.
What is a benefit of differential backup over incremental backup?
Differential backups are more efficient than incremental backups because, instead of backing up only the changes made since the last backup, they back up all of the data that has changed since the last full backup. This means that, unlike incremental backups, the size of the differential backup is not limited and can expand to contain more data than an incremental backup. Additionally, differential backups are faster to restore since they only need to read the differential backup and last full backup, rather than all of the incremental backups.
Which performance feature does an intelligent storage system provide?
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.
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