(a) Distinguish between LANs and WANs. (b) Why do companies use carriers for WAN transmission? (c) What...
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(b) Why do companies use carriers for WAN transmission?
(c) What two WAN technologies are illustrated in the figure (Figure A-4)?
(d) Why is carrier WAN traffic generally considered safe?
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a LANs operate within a companys premises WANs connect dif...View the full answer
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