In a recursive module, the part of the problem that can be solved with recursion is known as the __________ case.

A technician replaces a customer's router, and is now unable to ping the ISP's gateway. Which of the following should the technician check?

A. The arp table of the new customer's router. B. The route table of the next-hop router. C. The route table of the new customer's router. D. The arp table of a network user.

____________________ are navigational menus that let users go quickly to different pages in your site or to different sites on the Internet.

Fill in the blank(s) with the appropriate word(s).