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Question:
(a) Short Message Service (SMS) is a service available on most mobile phones that allows the sending of short messages between mobile phones, other handheld devices and even landline telephones.
Briefly describe why an SMS is limited to 160 characters.
(b) Multimedia Messaging Service (MMS) is a standard for a telephony messaging systems that allow sending messages that includes multimedia objects (images, video, audio, rich text) and not just text messages as in Short message service.
Briefly explain the two modes of delivery in MMS.
(c) Prepare the basic steps that should be taken to secure a WiFi network.
Multicast An identifier for a set of interfaces (typically belonging to dissimilar nodes). A packet sent to a multicast address is delivered to all interfaces identified by tha
Intranet vs Internet vs LAN It is certainly possible that both Intranets and the Internet can coexist. As spelt theoretically, the entire Intranet could be located at a remote
Network Topologies Topology is study of the arrangement or mapping of the elements links nodes etc, of a network especially the physical and logical inter connections bet
Enumerate the concept of IP address The router must have an IP address of the same network (194.62.15.x in this case) for the convenience of the entire network to use the servi
Question: (a) Distinguish between UDP and TCP. (b) You have been asked to design and implement a chat application for a university. Which protocol could you used TCP or UDP
UDP is connectionless, and does not give error checking. But remember, error checking can happen at other layers too.
Which form of PPP error detection on Cisco routers monitors data dropped on a link? Ans) The Quality protocol monitors data dropped on a link. Magic Number avoids frame looping
Tree interconnection network Tree interconnection network(TIN)), processors are organized in a whole binary tree pattern.
whats is ip address
Question: (a) (i) Distinguish between Physical topology and Logical topology. (ii) Explain the following statement with the help of a diagram: "A star topology can have a l
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