John works for internal computer specialists, which focuses on small business owners resolve mis infrastructure issues. john's tasks include cleaning and replacing motherboards, cables, and internal components such as dvds and hard drives. what does john's role at internal compute specialists focus on fixing?

a. hardware
b. clients
c. backup
d. recovery

You are new to microsoft certification and want to start out by getting a certification geared around windows 8. what microsoft certification should you pursue?

In which job role will you be creating e-papers, newsletters and preiodicals

1. which of the following statements are true about routers and routing on the internet. choose two answers. a. protocols ensure that a single path between two computers is established before sending packets over it. b. routers are hierarchical and the "root" router is responsible for communicating to sub-routers the best paths for them to route internet traffic. c. a packet traveling between two computers on the internet may be rerouted many times along the way or even lost or "dropped". d. routers act independently and route packets as they see fit.