A Network Administrator Wants to Plan a Major OS Upgrade

Multiple Choice

A network administrator wants to plan a major OS upgrade of the router, which acts as a default gateway in an organization. The administrator has documented the purpose of the change, scoped the change, and completed a comprehensive risk analysis. Which of the following is an important part of the change request process for which the administrator still must plan?

A) Inform management regarding the anticipated amount of downtime
B) Document a backout plan to roll back changes to the router  
C) Configure a redundant data path to eliminate downtime
D) Make the downtime window larger than actually anticipated