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List out the layers of the OSI model and briefly explain the function of each layer. List all the three key elements of protocol. Give a brief description of each of these key elements.
What is the function of Mail Access Protocol? Explain briefly the two download modes of POP3. Write down the name of various layers of OSI-7 model.
Explain, with the assist of a diagram, a Star topology of the network of your choice. Elaborate on the employ of a MAN and give an example of one. Describe the functionality of a router.
Explain briefly the differentiation between congestion control and flow control in relation to a connection-oriented protocol such as TCP.
Write down the name of three popular electronic mail access protocols. What do you understand by the term DNS? Why does DNS employ a distributed approach as opposed to a single server?
Demonstrate with the help of a diagram the function or architecture of a Mashup. A Mashup server is more or less comparable to routers with link encryption, therefore raises the risk of man-in-the-mi
Explain Apache architecture using the suitable diagram. Describe the purpose of third-party modules for use with Apache. Describe the different components which can be found inside a configuration fil
Describe what you understand by the term IEEE 802.11? What is the differentiation between client jamming and base station jamming?
Wireless Access points have been recognized to have various security vulnerabilities which can lead to breach of Secured wired networks. IEEE 802.11 standards have identified numerous key points for
Explain the differentiation between WPA and WPA2. What are RTS and CTS frames and hence, describe how it works.
A company intends to install a LAN in its headquarters building. Choose an appropriate network configuration for each of the following situations. In each case:
Explain protocol? Describe the functionality of SMTP, POP3 and MIME in detail. Expalin active server page. Expalin the steps to access a database from active server page.
A multiplexer takes several data communication lines or signals and transforms them into one data communication line or signal at the sending location. Describe the fundamental methods of multiplexi
Distinguish between token passing with CSMA/CD. Also Describe CDMA technique for collision detection.
Compare checksums and CRCs as a means of detecting errors. Describe the tradeoffs between checksums and CRCs.
What is the main difference between HTTP 1.0 and HTTP 1.1? Describe the difference carefully, not just name it. What is the advantage of this difference?
What are the basic services provided by the transport layer? Very briefly, how does TCP implement each of such services?
An application layer protocol usually defines four things. What are such four things?
In 5-layer Internet reference model which layers handle point-to-point functions and which layers handle end-to-end functions?
Define the term Internet? Explain any three IP-based application layer protocols?
What are the components of data communications system? What is the difference between port address, logical address and physical address?
a) Describe SONET Networks. b) Describe ATM Networks. c) Describe about Back bone Networks.
Compare and contrast the OSI reference model and TCP/IP reference model.
Why does network segmentation improve LAN performance?
Describe three trends in communications and networking.