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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.
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IEEE 8021.d Spanning Tree Protocol (STP) was developed to stop routing loops in a network. If a router, switch, or hub has more than one path to the similar destination, a routing
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In this question, you will compare delays in packet switching (i.e. in IP networks), in circuit switching (i.e. in PSTN telephony) and in virtual circuit packet switching (i.e. in
No Retransmission This protocols will not through the correctly received packets but buffers than and send acknowledgment for those packets. Thus retransmission of th
Recognize the command that will show the RIP routes entering and leaving the router? Ans) Route# debug ip rip
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