A Router.
No, even though the two PCs are physically connected they need an IP address to communicate. The switch uses the MAC physical address to determine the switching but the network software requires an IP address and a subnet mask attached to the adaptor.
There are different components of an information system, there are routers/firewalls, servers, PCs. The best way to manage them it to ensure they communicate with each other, and keep them up to date on patches, IOS, OS, virus defs, etc.
Unless the 'other' PCs are networked (connected) to the PC where you downloaded the CA AntiSpyware, you will need to also download it to the other PCs. Or, you can copy that newly downloaded Spyware to a diskette (or burn it to a CD or DVD), then use that to copy it to the additional PCs. Please remember to 'register' that application on EACH machine you use it on!
I have a PC, laptop and xbox running and i have a modem and router downstairs with a wire leading upstairs then a netgear high speed hub splitting my connection 3 ways to my PC etc , but i don't think u need a hub if your router has multiple ethernet slots.
router
Whenever 2 pcs. of metal come together at an angle to each other. Butt welds are 2 pcs of metal that meet edge to edge.
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If you don't have at least two wireless adapters for your pcs, yes you have to have a network cable in order to connect two pcs.
No, because without a default gateway configured the packet will never get to the router, and thus never get to the other network.
None. You need to have a either an unlocked phone or an actual Metro PCS phone.
make 60 EQUAL pcs and give 12 pcs to each of the 5 children