Which beer is known as a strong, malt-accentuated German lager?

The known beer that is a strong, malt-accentuated German lager is Bière de Garde. This style, however, is traditionally a French farmhouse ale that is brewed in a manner that emphasizes maltiness and has a strong character. It is typically richer and more robust than standard lagers, often with a slightly sweet finish, making it notable for its malt-forward profile.

In contrast, Pale Ales, Belgian Dubbels, and Belgian Dark Strongs are not classified as German lagers, nor do they fit the criteria of being strong and malt-accentuated in the same way that a traditional German lager would. Pale Ales are generally hop-forward and lighter in body, while Belgian Dubbels and Dark Strongs are known for their fruity and spicy yeast character, along with complex flavors from dark malts. Therefore, the unique characteristics of Bière de Garde place it more closely in line with the strong, malt-accentuated profile described in the question, despite its origins being outside of Germany.

While the other options represent distinct styles from different brewing traditions, none align with the specific characteristics of a strong, malt-accentuated German lager, which helps clarify the context of the correct answer.