1) Yes, servers will recommend wines.
2) However, most REALLY don't know their wines - they are food servers.
3) Make sure you ask for a knowledgeable wine person.
NOTE: Almost anyone can recommend a wine for dinner. However a knowledgeable person can make the meal really be set-off by the wine selection. Example: It is easy to recommend the White Zin, but even Zin's differ enough that one is a good dinner accompaniment and the other really adds to the meal experience.