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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 Multiplexing? Multiplexing is the set of techniques that permits the simultaneous transmission of multiple signals across a single data link.
Question 1 Explain the basic communication model with its block diagram Question 2 List and explain the functions of network monitoring Question 3 Explain the get and se
Which NetWare protocol works on layer 3--network layer-of the OSI model? Ans)IPX
The term signaling is used to define communication about the network, as opposed to interaction that just uses the network. A computer uses signaling with reserved VCI/VPI numbe
How many dissimilar types of subnet classful networks are present?
You are the Senior Project Manager in a software company and have, as part of your team, a student on a three month internship. The student has proudly told you that they have stu
Mesh : This is two dimensional networks. In this all processing elements are organised in a two dimensional grid. The processor in the row i and column j are indicated by PE i .
What is the difference between CSMA/CD and CSMA/CA? CSMA/CD, or Collision Detect, retransmits data frames when a collision occurred. CSMA/CA, or Collision Avoidance, will first
Address Resolution Protocol resolves the MAC address if the IP address is known. It is a layer 3 protocol.
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