Question: which of the following WAN technology uses variable length packets called frame Frame Relay ISDN ATM Ethernet In essence, a ------- is a general-purpose computer
In essence, a ------- is a general-purpose computer running specialized software that turns it into a smart phone switch. These switches cost significantly less than traditional circuit switches and can provide more functionality. In particular, in addition to handling the traditional circuit-switching functions, this switch can convert a stream of digitized voice bits into packets. This opens up a number of options for transmission, including the increasingly popular voice over IP (Internet Protocol) approach. | ||||||||||||||
A line has a signal-to noise ratio of 1000 and a bandwidth of 4000 KHz. What is the maximum data rate supported by this line? 60 Kbps 20 Kbps 40 Kbps 80 KBps A TCP segment consisting of 1500 bits of data and 160 bits of header is sent to the IP layer, which appends another 160 bits of header. This is then transmitted through two networks, each of which uses a 24-bit packet header. The destination network has a maximum packet size of 800 bits. How many bits, including headers, are delivered to the network layer protocol at the destination? 2560 | ||||||||||||||
| 1760 | ||||||||||||||
| 1892 1784 |
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