Discuss how mobile database support the mobile worker.
What will be an ideal response?
We are currently witnessing increasing demands on mobile computing to provide the types of
support required by a growing number of mobile workers. Such individuals require to work as if in
the office but in reality they are working from remote locations including homes, clients’
premises, or simply while en route to remote locations. The ‘office’ may accompany a remote
worker in the form of a laptop, smartphone, tablet, or other Internet access device. With the rapid
expansion of cellular, wireless, and satellite communications, it will soon be possible for mobile
users to access any data, anywhere, at any time. However, business etiquette, practicalities,
security, and costs may still limit communication such that it is not possible to establish online connections for as long as users want, whenever they want. Mobile databases offer a solution for
some of these restrictions.
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Compare and contrast the while and for iteration statements.
What will be an ideal response?
What wildcard is used to represent multiple characters?
What will be an ideal response?
You are the network manager for a computer training center that allows students to bring their own laptops to class for learning and taking notes. Students need access to the Internet, so you have configured your network's DHCP server to issue IP addresses automatically. Which DHCP option should you modify to make sure you are not wasting addresses used by students who have left for the day?
What will be an ideal response?
Two different signaling technologies can be used with a bus network: baseband signaling and ____signaling.?
A. ?multiband B. ?broadband C. ?uniband D. ?singleband