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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.
IGP= Interior gateway routing protocol and EIGRP= Enhanced Interior Gateway routing protocol IGP = use in one Autonomous and EIGRP = use with many autonomous
TOP Level Domain (TLD) Servers These servers are responsible for top level domains such as com org net edu, and going and all the country top level domains such a
- The ISO (International Organisation for Standardisation) is an International standards organisation responsible for a wide range of standards including many that are relevant to
Shortest path The dijkstra algorithms four steps to discover what it called the shortest path tree . a.The algorithm beings to build the tree identifying its root.
Can you define IKE phases?
How does a Token-Passing Protocol works? The token-passing protocol relies on a control signal known as the token. A token is a 24-bit packet that circulates throughout the net
Q. Show the Security Policy as well Integrated Security ? Security policy is on paper statement describing what assets are to be protected and why who is responsible and which
Path Layer The path layer maps services such as DS3, FDDI, and ATM into the SONET payload formal. This layer provides end to end communications signals labelling path m
The Physical layer deals with the definite physical medium and the method of transporting 1s and 0s.
Other than performance issues, there could be security reasons for using something like xinetd. Make simple design in which a new version of xinetd gives a layer of security.
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