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1. Explain, in one paragraph, the origin of the SIP protocol and the H.323 protocol suite, respectively. How are they different from each other? Which protocol is becoming more popular than the other?
2. The IT department of ABC Inc. configured its voice equipment to use the G. 711 codec on the local VoIP network. What's the payload bit rate of G. 711? Why is it not sufficient to carry a complete VoIP call?
3. When capturing and observing voice packets of a VoIP call using Wireshark, what is the protocol header between the layer 4 UDP header and the payload of a voice packet? Justify, in one paragraph, why at layer 4 the UDP protocol instead of TCP is chosen to carry voice traffic in VoIP.
Explain the benefits and drawbacks of using software development tools provided by cloud vendors to develop cloud-based solutions for an organization.
What are instance variables
In the Logicworks/Designworks Simulation Logic library, there is a module called Counter-4 UP w/o EN which counts the sequence 0000, 0001, 0010, ... , 1110, 1111, 0000, 0001, ... . Create a continuous mod 10 counter using the 'Counter-4' module..
ISUZU company is currently reviewing its security configuration to enhance information dissemination among its branches in Japan. Explain how the security configuration should be undertaken by the IT department.
Design and develop the below queries using professional principles and standards: A set of SQL Statements that returns all rows and all data for each table in your database. Two SQL Statements that return a subset of columns and a subset of rows ..
Give an example of an Array and how it could be used
Need help to write problem displaying ISBN(international standard book numbers). Question as follows:
What two pieces of information is contained within an IP address? How does the computer tell the difference between these two parts?
You have also learned that you can upgrade your CPU to make it 1.4 times as fast for $5,000. Which would you choose to yield the best performance improvemen tfor the least amount of money?
What is the speed difference between the two programs?
Using Visual Logic: Design the logic for a program that allows a user to entry 15 numbers, then displays each number and its difference from the numeric average of the numbers entered.
Perform the execution of such tasks without the benefit of shell scripts.
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