DEA-1TT5 Storage Management and Monitoring

Question 1

What is 'capacity planning' in storage management?

Accepted Answer

The process of forecasting future storage needs based on growth trends and ensuring sufficient capacity is available before storage runs out

Answer

Measuring the physical dimensions of a data center for equipment placement

Answer

Planning backup schedules based on data capacity

Answer

Calculating the number of RAID sets needed for a new array

Question 2

What does a storage management console typically provide?

Accepted Answer

A centralized interface for provisioning volumes, monitoring performance and capacity, configuring replication, and managing alerts across storage systems

Answer

Only backup scheduling and restore functions

Answer

A tool only for configuring RAID sets on a single array

Answer

A network management tool for monitoring SAN switches

Question 3

What is a 'storage performance baseline' and why is it important?

Accepted Answer

A documented record of normal storage performance metrics used to identify anomalies and diagnose performance degradation

Answer

The minimum performance level required in an SLA

Answer

The out-of-box performance rating from the storage vendor

Answer

The maximum IOPS a storage system can sustain before failing

Question 4

What is 'QoS' (Quality of Service) in storage management?

Accepted Answer

Policies that control the maximum or minimum IOPS or bandwidth allocated to specific volumes or workloads to prevent resource contention

Answer

A measure of the quality of data stored on disk

Answer

A compliance rating for storage systems meeting industry standards

Answer

The quality tier assigned to different storage media types

Question 5

What does SNMP (Simple Network Management Protocol) provide in storage monitoring?

Accepted Answer

A standard protocol for monitoring and managing network and storage devices, enabling centralized collection of alerts and status information

Answer

Block-level data transfer between storage systems

Answer

A security protocol for encrypting storage management traffic

Answer

A protocol for synchronizing time between storage management servers

Question 6

What is 'storage utilization' and what is a typical acceptable utilization threshold?

Accepted Answer

The ratio of used storage to total available capacity; typically 70-80% is considered the practical maximum before performance and management risk increases

Answer

The number of I/O operations the storage handles per second at peak load

Answer

The percentage of storage capacity allocated to backup operations

Answer

The total number of drives installed versus maximum drive slots