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QUESTION
a) National regulations require the availability of the following services for all IP to PSTN, PSTN to IP, and IP to IP calls. Name any three types of these features
b) It is often heard that IP Telephony is not secure if media streams are not encrypted. Do you agree with this statement, give valid reasons to support your views
c) Compare UDP and TCP
d) Differentiate between the Transport layer and the Network Layer of the OSI Model
details of delta routing??
confiriguration,capabilities,implementation
Describe the term - Certification Authority The certification is most easily implemented with a custom solution combined with a server, called the Certification Authority (CA).
What is Proxy ARP? Is using a router to give answer ARP requests. This will be completed when the originating host believes that a destination is local, when in fact is lies be
Q. What is Transmission Media? - Actually situated below the physical layer - Directly controlled through the physical layer - Data should be converted into electromagnet
Discuss an example of threats in computer software Assume only one attack out of the above list i.e., the virus attack. Though the present anti-virus software solutions can det
What is subnet mask? A subnet mask is combined with an IP address in order to recognize two parts: the extended network address and the host address. Such as an IP address, a s
telecommunication processors
Question: a) Explain briefly three typical network topologies giving one advantage and one disadvantage of each topology. Explain the three topologies with appropriate diagrams
Can you tell how actually NAT works?
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