<prompt> Translate the following text to EnglishKanuni na mazoea yaliyopatikana kutoka kwa masomo ya kesi yaliyowasilishwa katika mwongozo wetu hutoa mapendekezo halisi juu ya kile watendaji wa shirika wanaweza kufanya ili kuhakikisha ufanisi wa mashirika yao ya CIO.  <response>: Principles and practices gleaned from the case studies presented in our guide offer concrete suggestions on what agency executives can do to ensure the effectiveness of their CIO organizations. 