PL-300 Data Connectivity and Gateways 2

Question 1

What is the primary purpose of a gateway cluster in Power BI?

Accepted Answer

To provide high availability and load balancing for gateway connections

Answer

To increase dataset storage capacity beyond 1 GB

Answer

To connect multiple Power BI workspaces to a single dataset

Answer

To enable row-level security across multiple gateways

Question 2

Which Power BI Premium feature partitions a large table by date so that only new or changed data is loaded during each refresh?

Accepted Answer

Incremental refresh

Answer

DirectQuery refresh

Answer

Live refresh

Answer

Differential refresh

Question 3

When connecting Power BI Service to Azure SQL Database, which statement is correct regarding gateway requirements?

Accepted Answer

No gateway is required because both services are cloud-based

Answer

An on-premises gateway is always required

Answer

A personal mode gateway must be used

Answer

A VPN connection must be established instead

Question 4

What is the maximum compressed dataset size allowed in a Power BI Pro workspace when using Import mode?

Accepted Answer

1 GB

Answer

100 MB

Answer

10 GB

Answer

100 GB

Question 5

Which authentication methods can be configured for a data source on an on-premises data gateway?

Accepted Answer

Windows, Basic, or OAuth2 depending on the data source

Answer

OAuth 2.0 only

Answer

Windows authentication only

Answer

API key authentication only

Question 6

In Power BI Service, where are credentials for an on-premises gateway data source configured?

Accepted Answer

In gateway management under Settings > Manage gateways

Answer

In the Power BI Desktop connection dialog before publishing

Answer

In the Azure portal resource group for the gateway

Answer

In the Power BI Admin portal under tenant settings

Question 7

Which Power BI dataset storage mode provides the best compatibility with the Q&A natural language feature?

Accepted Answer

Import mode

Answer

DirectQuery only

Answer

Live Connection to Analysis Services only

Answer

Composite models only