Bring A Large Pot Of Lightly Salted Water To Boil. Add Pasta, And Cook Until Al Dente, About 8 To 10 Minutes. Drain, And Set Aside. Meanwhile, In A Skillet Over Medium Heat, Brown Steak Strips, About 5 Minutes. Pour Chicken Broth Into A Sauce Pan And Warm Over Medium Heat. Divide Cooked Spaghetti Into Large Bowls, Top With Cucumber And Steak. Then Pour Chicken Broth Over The Top To Create A Soup. Season To Taste With Red Wine Vinegar, Salt, And Pepper.