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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.
Round Trip Time (RTT) and Time Out The size and the complexity of computer networks have grown in past years. To achieve an efficient and reliable transmission some
Determine the term - Experimental neuropsychology This is an approach which uses methods from experimental psychology to uncover the relationship among the nervous system and c
The grouped SQL statements are known as Transactions (or) A transaction is a collection of actions embused with ACID properties.
Q. What is Two Types of Errors? Single-Bit Errors: Merely one bit in the data unit has changed Burst Errors of length 'n': 2 or more bits in the data unit have changed (
Explain IBM's SNA Architecture SNA is a computer networking architecture that was formed by IBM to give a network structure for IBM mainframe, midrange, and personal computer s
The auxiliary port is used to link a modem to for dial backups.
ARP is used to search a devices MAC address given an IP address.
Q. Electrical Characteristics of 9-Pin RS232 Connector? Electrical Characteristics - Single-ended One wire per signal and voltage levels are with respect to s
Can you describe the concept of TTL?
briefly explain how firewalls protect networks
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