4276: What is "Virtual Private Network" ?
(a) It is a computer network across a public internet that provides users access to their organization's network while maintaining the security of the information transmitted
(b) It is a private computer network of an organization where the remote users can transmit encrypted information through the server of the organization
(c) It is a computer network in which users can access a shared pool of computing resources through a service provider
(d) None of the statements (a), (b) and (c) given above is a correct description of Virtual Private Network
4277: Which one of the following soil types of India is rendered infertile by the presence of excess iron ?
(a) Desert sand
(b) Alluvial
(c) Podzolic
(d) Lateritic
4278: Consider the following statements about the Roaring Forties
I. They blow uninterrupted in the Northern and Southern Hemispheres.
II. They blow with great strength and constancy.
III. Their direction is generally from North-West to East in the Southern Hemisphere.
IV. Overcast skies, rain and raw weather are generally associated with them.
Which of these statements are correct ?
(a) I, II and III
(b) II, III and IV
(c) I, III and IV
(d) I, II and IV
4279: Which one of the following countries occupies the first place in the Global Competitive ReportĀ of World Economic Forum ?
(a) USA
(b) Singapore
(c) Hong Kong
(d) France
4280: Consider the following statements:
1. The Islamic Calendar is twelve days shorter than the Gregorian Calendar.
2. The Islamic Calendar began in AD 632.
3. The Gregorian Calendar is a solar calendar.
Which of the statements given above is/are correct?
(a) 1 only
(b) 1 and 2
(c) 1 and 3
(d) 3 only