$1.$ Question: What does the KPI 'Customer Acquisition Cost $($CAC$)\text{'}$ measure?

$$ a$)$ The total value a customer brings over their lifetime.

$$ b$)$ The cost of acquiring a new customer.

$$ c$)$ The monthly revenue from subscriptions.

$$ d$)$ The cost of a marketing campaign.

$2.$ Question: Which tool is commonly used for web analytics?

$$ a$)$ Microsoft Word

$$ b$)$ Google Analytics

$$ c$)$ Adobe Photoshop

$$ d$)$ QuickBooks

$3.$ Question: What is the purpose of A$/$B testing in e$-$business?

$$ a$)$ To test the functionality of the website's back$-$end.

$$ b$)$ To compare two versions of content to see which performs better.

$$ c$)$ To assess two different customer service protocols.

$$ d$)$ To determine the best pricing strategy.

$4.$ Question: Which KPI would be most relevant for measuring user engagement on a website?

$$ a$)$ Bounce rate

$$ b$)$ Equity share

$$ c$)$ Inventory turnover

$$ d$)$ Fixed asset ratio

$5.$ Question: Continuous improvement in KPI performance is best achieved through:

$$ a$)$ Once$-$a$-$year assessments.

$$ b$)$ Weekly team$-$building exercises.

$$ c$)$ Regular analysis and incremental changes.

$$ d$)$ Daily financial audits.