DEA-1TT5 Storage Management and Monitoring 2

Question 1

What is 'SLA' (Service Level Agreement) in the context of storage services?

Accepted Answer

A formal agreement defining the performance, availability, and support levels that a storage service must deliver to its consumers

Answer

A technical specification for storage hardware purchased from a vendor

Answer

A storage licensing agreement between software vendors

Answer

A security audit checklist for storage systems

Question 2

What is the purpose of 'alerting thresholds' in storage monitoring?

Accepted Answer

To define performance or capacity levels that trigger notifications, enabling proactive action before problems impact production

Answer

To limit the number of alerts generated per day to reduce noise

Answer

To set the maximum IOPS allowed before throttling kicks in

Answer

To configure the sensitivity of disk error detection

Question 3

What does 'MTBF' (Mean Time Between Failures) indicate for storage hardware?

Accepted Answer

The statistical average time a component operates before experiencing a failure, used to estimate reliability

Answer

The average time to repair a failed disk drive

Answer

The maximum time allowed before performing preventative maintenance

Answer

The time between scheduled firmware updates on storage controllers

Question 4

What is a 'storage audit' and what does it typically examine?

Accepted Answer

A systematic review of storage utilization, configuration, security settings, data placement, and compliance with policies

Answer

A financial audit of storage hardware purchasing costs

Answer

A physical inspection of the storage hardware for damage

Answer

An automated scan for viruses on storage arrays

Question 5

What is 'chargeback' in IT storage management?

Accepted Answer

The practice of billing individual business units or departments for the storage resources they consume

Answer

Charging customers when data is retrieved from archive storage

Answer

A billing process for returning unused storage capacity to a vendor

Answer

A fee charged when storage capacity is provisioned above the agreed allocation

Question 6

What is a 'firmware update' for a storage array and why should it be carefully managed?

Accepted Answer

A software update for the storage controller's embedded operating code, which can fix bugs and add features but requires careful planning to avoid disrupting production

Answer

An operating system upgrade for the management server

Answer

A BIOS update for the servers connected to the storage array

Answer

A driver update installed on each host connected to the array