PPT Slide
? ???A layer-2 switch performs better than a bridge because it does forwarding at both layer-2 and layer-3.
No. Because it provides multiple parallel paths through a switch fabric. Vanilla bridges do not have such switch fabrics.
?????Transport protocols must minimally provide error recovery capabilities.
No. Transport protocols must minimally provide error detection and port addressing.
?????Subnet masking is used to solve the internetworking problem of heterogeneity.
No. Subnet masking is used to improve efficiency of address allocation.
?? ??Statistical multiplexing is useful when traffic is bursty.
Yes. Statistical multiplexing is useful when the peak rate significantly exceeds average rate (eg: for bursty traffic)