• Update within Campaign Manager
• Navigate to optimization within line item view
• Naviagat to Insertion Order < Line Item level < Select Line Item < Action
• Use Structured Data Files (SDF)

The correct answers are: Navigate to Insertion Order < Line Item level < Select Line Item < Action and Use Structured Data Files (SDF)

Explanation: Now you can upload changes to your Bid Manager campaigns using a Structured Data File (SDF). SDF spreadsheets are .csv files that make it easy to create and edit line items, insertion orders, ads, and ad groups across your video, display, and TrueView programmatic media buys.