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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.
What is OSI and what role does it play in computer networks? OSI (Open Systems Interconnect) serves as a reference model for data communication. It is made up of 7 layers, with
Internet Backbone Internet backbone is the physical networks ( usually relying on fiber optic cable ) that carries internet traffic between different networks and i
For VOIP, first you need to consider the codec to use. Although there are many voice codecs, MyCo wants the safest bet and suggests that you design with the most known and oldest c
Can you describe screened host architecture?
Virtual private network The virtual private networks takes the user data encrypts them and sends them to their destination over the internet. the sender and the receiv
State about the Bus Topology Comments 1 - Requires less cabling than a star network 2 - If there is a central cable problem entire netwo. rk goes down 3 - Less e
What are the functions of the typical server program? Ans) It waits for client-initiated requests. Implements many requests at the similar time. Takes care of VIP clients first.
When a P is returned when a Trace is run, it means the Protocol is unreachable.
Question 1: a) How is the four-way exchange employed for mutual authentication in WPA/RSN? b) Elaborate on how inquiry attacks and traffic monitoring attacks can be u
Q. Show the Importance of Security? The Internet presents enormous business opportunities. The Internet is open to public, vulnerable to various attacks. One of the major
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