What is the Maximum Tolerable Downtime (MTD)?

The correct answer is D. It is maximum delay businesses can tolerate and still remain viable. Maximum Tolerable Downtime (MTD), sometimes called Maximum Tolerable Period of Disruption (MTPD), defines the absolute longest time a business function or process can be unavailable before the organization suffers irreversible harm - loss of customers, regulatory penalties, finan

Submitted by fatima_kr· Apr 18, 2026Incident Response and Recovery

Question

Options

AMaximum elapsed time required to complete recovery of application data
BMinimum elapsed time required to complete recovery of application data
CMaximum elapsed time required to move back to primary site after a major disruption
DIt is maximum delay businesses can tolerate and still remain viable

How the community answered

(65 responses)

A
6% (4)
B
5% (3)
C
2% (1)
D
88% (57)

Explanation

Maximum Tolerable Downtime (MTD), sometimes called Maximum Tolerable Period of Disruption (MTPD), defines the absolute longest time a business function or process can be unavailable before the organization suffers irreversible harm - loss of customers, regulatory penalties, financial collapse, or reputational damage beyond recovery. It sets the upper boundary for all recovery objectives: the Recovery Time Objective (RTO) must always be less than the MTD. Options A and B describe Recovery Point Objective (RPO) or RTO concepts, and Option C describes relocation timing, not downtime tolerance.

Topics

#Maximum Tolerable Downtime (MTD)#Business Continuity Planning (BCP)#Disaster Recovery Planning (DRP)#Business Impact Analysis (BIA)

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