PAC Brand Safety and Ad Fraud Prevention 2

Question 1

What distinguishes General Invalid Traffic (GIVT) from Sophisticated Invalid Traffic (SIVT)?

Accepted Answer

GIVT includes known data center traffic and bots identifiable by basic filtering, while SIVT uses advanced techniques to mimic human behavior

Answer

GIVT refers to mobile ad fraud while SIVT refers to desktop ad fraud

Answer

GIVT is undetectable by standard tools while SIVT can be filtered with basic bot lists

Answer

GIVT involves click fraud and SIVT involves impression fraud exclusively

Question 2

What is ad stacking in programmatic advertising fraud?

Accepted Answer

Placing multiple ads on top of each other so only the top ad is visible while all ads record impressions

Answer

Running the same creative across multiple ad sizes simultaneously to maximize reach

Answer

Layering first-party and third-party audience data to improve targeting precision

Answer

Combining display and video ad formats within a single placement unit

Question 3

What is pixel stuffing in the context of ad fraud?

Accepted Answer

Hiding an ad in a 1x1 pixel frame so it is technically served but never seen by users

Answer

Adding tracking pixels to ads to improve attribution accuracy

Answer

Compressing creative assets to reduce load time and improve viewability scores

Answer

Embedding audience segmentation data within ad pixel tags

Question 4

Which IAB Tech Lab standard provides supply chain transparency by listing all entities involved in a programmatic transaction?

Accepted Answer

SupplyChain Object (schain)

Answer

ads.txt

Answer

sellers.json

Answer

DigiTrust

Question 5

What is a bot farm in programmatic advertising?

Accepted Answer

A network of devices or computers running automated scripts to generate fraudulent ad impressions and clicks

Answer

A premium publisher network that uses automation to optimize ad fill rates

Answer

A group of DSP algorithms that automatically bid on behalf of multiple advertisers

Answer

A data center used by ad verification vendors to test brand safety tools

Question 6

What does sellers.json enable in the programmatic supply chain?

Accepted Answer

It allows buyers to verify the identity and type of all entities authorized to sell inventory through an SSP or exchange

Answer

It publishes a list of approved advertisers that can purchase inventory on a publisher's site

Answer

It certifies that a publisher's ad slots meet MRC viewability standards

Answer

It specifies which DSPs are authorized to bid on a particular publisher's inventory

Question 7

Which third-party verification vendor metric measures the percentage of served impressions that had the opportunity to be seen by a human?

Accepted Answer

Viewability rate

Answer

Brand safety rate

Answer

Invalid traffic (IVT) rate

Answer

Completion rate