Disaster recovery planning in SCADA systems - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to specify the primary backup location in the disaster recovery plan.

SCADA systems

backup_location = "[1]"

Drag options to blanks, or click blank then click option'

A/etc/scada

B/var/data

C/mnt/backup_primary

D/tmp

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing temporary or system directories for backup location.

The primary backup location should be a dedicated and secure path like /mnt/backup_primary to ensure data safety.

2fill in blank

medium

Complete the command to create a snapshot of the SCADA system configuration for disaster recovery.

SCADA systems

scada_backup --create-snapshot [1]

Drag options to blanks, or click blank then click option'

A--full

B--incremental

C--dry-run

D--verbose

Attempts:

3 left

💡 Hint

Common Mistakes

Using incremental or dry-run options instead of full snapshot.

Using --full creates a complete snapshot, essential for disaster recovery.

3fill in blank

hard

Fix the error in the disaster recovery script to restore the SCADA system from backup.

SCADA systems

restore_scada --source [1] --force

Drag options to blanks, or click blank then click option'

A/home/user

B/backup/latest

C/var/log

D/etc/scada

Attempts:

3 left

💡 Hint

Common Mistakes

Using system config or log directories as restore source.

The restore source must point to the latest backup directory, such as /backup/latest.

4fill in blank

hard

Fill both blanks to configure the disaster recovery test schedule and notification email.

SCADA systems

test_schedule = "[1]"
notification_email = "[2]"

Drag options to blanks, or click blank then click option'

Aweekly

Bdaily

[e-mail]

[e-mail]

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing daily tests which may be too frequent.

Using support email instead of admin email.

Disaster recovery tests are often scheduled weekly and notifications sent to the [e-mail] email.

5fill in blank

hard

Fill all three blanks to define the recovery point objective, recovery time objective, and backup retention period.

SCADA systems

rpo = [1]
rto = [2]
retention_days = [3]

Drag options to blanks, or click blank then click option'

A15

B60

C7

D30

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing retention days with RPO or RTO values.

The recovery point objective (RPO) is often 15 minutes, recovery time objective (RTO) 60 minutes, and backup retention period 30 days.