HubSpot Digital Marketing Certification Practice Exam Prep & Study Guide

The broad match modifier is essential for ensuring that specific terms are included in a search query while still allowing for a range of variations. The plus sign is used to indicate that the keyword following it must appear in the search, giving finer control compared to standard broad match. By applying this modifier, advertisers can attract more relevant traffic because it helps to ensure that certain key terms are always considered part of the query, which can increase the effectiveness of the ad campaigns.

The other symbols do not serve the same function in search advertising. For instance, the forward slash is typically used in URL structures, the caret symbol is used for indicating with regular expressions, and the hyphen signifies a negative match, which excludes certain terms from the search. Therefore, using the plus sign as a broad match modifier is the correct approach in digital marketing strategies when trying to achieve a targeted reach in search queries.