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Q.1) Answer the following questions.
(a) Tara Nathani wants to upload and download files from/to a remote internet server. Write the name of the relevant communication protocol, which will let her do the same.
(b) Two doctors in the same room have connected their Palm Tops using Bluetooth for working on a Group presentation. Out of the following, what kind of Network have they formed?
LAN, MAN, PAN, WAN
(c) Arrange the following communication channels in ascending order of their data transmission rates. Ethernet Cable, Optical Fiber, Telephone Cable, Co-axial Cable.
(d) Which of the following is not a characteristic of Open Source Software?
• Its source code is available for modification
• It is owned by a company or an individual
It can be downloaded from internet
(e) Jai Khanna is confused between the terms Domain Name and URL. Explain the difference with the help of appropriate examples of each.
(f) Define any two threats to Network Security.
(g) Differentiate between Star and Bus Topology of networks.
Q.2) Answer the following questions:
(a) While working in Netbeans, Rajmeeta included a Listbox in the form. Now she wants the list of her friends' names to be displayed in it. Which property of Listbox control should she use to do this?
(b) What is the purpose of default clause in a switch statement?
(c) Which HTML tag inserts a horizontal straight line on a web page?
(d) How is <P> tag different from <BR> tag in HTML?
Please refer to attached file for CBSE Class 12 Informatics Practices Sample Papers 2014 (2).