Your Application Takes an Input from a User and Publishes

question 2

Multiple Choice

Your application takes an input from a user and publishes it to the user's contacts. This input is stored in a table in Cloud Spanner. Your application is more sensitive to latency and less sensitive to consistency. How should you perform reads from Cloud Spanner for this application?

• A) Perform Read-Only transactions.
• B) Perform stale reads using single-read methods.
• C) Perform strong reads using single-read methods.
• D) Perform stale reads using read-write transactions.

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Definitions:

Expected Utility

A theory in economics that calculates the utility expected from an investment or action, considering all possible outcomes weighted by their likelihood.

Less Risk-averse Investors

Individuals who are willing to take on greater levels of investment risk in pursuit of higher returns.

Efficient Portfolios

Portfolios that offer the best possible expected return for their level of risk, based on modern portfolio theory.

Rates of Return

Rates of return measure the net gain or loss of an investment over a specified period, expressed as a percentage of the investment’s initial cost.