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For VOIP, first you need to consider the codec to use. Although there are many voice codecs, MyCo wants the safest bet and suggests that you design with the most known and oldest codec G.711 since they are very concerned about the voice quality with VoIP. Calculate the voice payload from G.711 codecs with 20ms. frames along with the RTP, UDP, IP, and Ethernet overhead to measure the bandwidth per call with G.711.
Define the tasks for which SNS is used SNA can be used for the following types of tasks: - Terminal access to mainframe and midrange computer applications. - File trans
What is one basic requirement for establishing VLANs? A VLAN needs dedicated equipment on each end of the connection that permits messages entering the Internet to be encrypted
Can you describe TCP header in detail?
What does the following sequence of commands accomplish? router igrp 71 network 10.0.0.0 router igrp 109 network 172.68.7.0 Ans) It isolates network 10.0.0.0 and 172.68.7.0 and
What are the Unix-based firewalls The Unix-based firewalls are considered most secured as compared to the Windows NT based ones. The firewalls bind the holes of the operating
Q. Explain Dynamic Domain Name System? DDNS - Dynamic Domain Name System automatically updates the DNS master file - Sent by DHCP to a primary DNS server; secondary se
When a switch is said to be congested? It is possible that a switch receives packets faster than the shared link can accommodate and keeps in its memory, for an extended period
The major problems with multiple networks are as given: A computer attached to a given server can only interact with other computers attached to the similar network.
What is route summarization
Question 1 Write short notes on Reserved IP addresses and Special use IP addresses 2 Explain about the packet switching mechanism based on Virtual Circuit 3 Explain about
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