[Solved] Jack is a network administrator at his organization. Last night he accidentally messed up the connections running to the server. Today all users have been complaining about not having Internet connectivity and IP addresses in the 169.254.xxx.xxx series. What should Jack check first? A)DHCP server B)DNS server C)Client NIC D)Internet Explorer Corporate Entities: Organizations or companies recognized by law as a single entity, separate from its owners, with its own rights, responsibilities, and liabilities. Oligopolies: Giant corporations that control part of an economy. They are few and tend not to compete against one another. Instead, they can set prices at levels that are most profitable for them. Dominate an Industry: To be the most influential or powerful entity within a particular market or sector, often through superior products, market share, or innovative strategies. Multinational Corporations: Large corporations that operate and provide goods or services in multiple countries, often having significant economic, political, and cultural influence.