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1. With the emergence of VoIP services do some research and tell us the difference between some of the major VoIP services. There are plenty out there (just do a Google search), but two good ones to start with are Skype and Vonage.
2. Research both legacy and VoIP telecommunications. Determine which one is more secure and why.
3. Research the topic of Presence. Define what it is and how it will be used in the telecommunications model. Provide 3 sources for your ideas.
Assume that no packet or acknowledgement are dropped. Assume that A sends a packet to C and waits for its acknowledgement to come back from C. How long does it take until A gets that acknowledgement?
Take the time to research the various features that were added to the IPv6 protocol (compared to IPv4). Choose one feature and provide a brief explanation of its benefits.
You have been asked to sketch a LAN with operation over a distance of about 100m.
A crypto device encrypts each message into 20 bits of ciphertext.What is the entropy of the plaintext message? What is the entropy of the ciphertext message?
Describe its physical layer standard this access method should rely on. What types of infrastructure upgrades are necessary to implement your suggested network?
Illustrate attacks and defenses to these session key establishment protocols at all levels, including one or both of communicating machines being compromised.
It is significant to know what issues are for encrypting data in the database. Comment on what you think is most significant obstacle to encryption. Describe your position.
Write about SSH or OpenSSH server services discussion questions
Explain in scholarly detail role of telecommunications operations functions in Telecommunications Asset Life Cycle Model concept?
Describe at least three different networks (computer or data communications) which you access or interact with on an average day.
Write program to accept a bit string and generates the unipolar, NRZ and Manchester encodings for the bit string. You can use any programming language/platform and generate the output in any appropriate manner.
Provided that Alice and Bob both suppose that they have the correct public keys for the other party, and supposing that Eve may intercept any messages passed between Alice and Bob, Describe the steps Alice could take in order to ensure that the pub..
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