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45. Compare the differences between WAN connection types: dedicated, asynchronous dial-in, dial-on-demand, and packet switched services.

1. Which WAN connection is fit for 1 to 2 hours connection per day?

2. Which WAN connection is fit for 5 to 6 hours of bursty traffic per day?

3. Which WAN connection is fit for making connection when email traffic is needed?
   A. Async
   B. DDR
   C. ISDN
   D. Modem
   E. PSN
   F. Sync

Find the answers below!

1-ISDN; 2-PSN; 3-DDR.