Information Technology

Which of the following statements about DHRUV64 is/are correct?

Which of the following statements regarding the features of blockchain technology are correct?

Which one of the following words/phrases is most appropriately used to denote "an interoperable network of 3D virtual worlds that can be accessed simultaneously by millions of users, who can exert property rights over virtual items"?

With reference to Web 3.0, consider the following statements: 1. Web 3-0 technology enables people to control their own data. 2. In Web 3.0 world, there can be blockchain based social networks. 3. Web 3-0 is operated by users collectively rather than a corporation. Which of the statements given above are correct?

With reference to "Software as a Service (SaaS)", consider the following statements: 1. SaaS buyers can customise the user interface and can change data fields. 2. SaaS users can access their data through their mobile devices. 3. Outlook, Hotmail and Yahoo! Mail are forms of SaaS. Which of the statements given above are correct?

Consider the following communication technologies: 1. Closed-circuit Television 2. Radio Frequency Identification 3. Wireless Local Area Network Which of the above are considered communication Short-Range devices/technologies?

With reference to Non-Fungible Tokens (NFTs), consider the following statements: 1. They enable the digital representation of physical assets. 2. They are unique cryptographic tokens that exist on a blockchain. 3. They can be traded or exchanged at equivalency and therefore can be used as a medium of commercial transactions. Which of the statements given above are correct?

In India, the term “Public Key Infrastructure” is used in the context of

With reference to Visible Light Communication (VLC) technology, which of the following statements are correct? 1. VLC uses electromagnetic spectrum wavelengths 375 to 780 nm 2. VLC is known as long-range optical wireless communication. 3. VLC can transmit large amounts of data faster than Bluetooth. 4. VLC has no electromagnetic interference. Select the correct answer using the code given below:

With reference to “Blockchain Technology”, consider the following statements: 1. It is a public ledger that everyone can inspect, but which no single user controls. 2. The structure and design of blockchain is such that all the data in it are about cryptocurrency only. 3. Applications that depend on basic features of blockchain can be developed without anybody’s permission. Which of the statements given above is/are correct?

With Reference to communication technologies, what is/are the difference/differences between LTE (Long-Term Evolution) and VOLTE (Voice over Long-Term Evolution)? 1. LTE is commonly marketed as 3G and VOLTE is Commonly marketed as advanced 3G. 2. LTE is Data-only Technology and VOLTE is voice-only technology. Selected the Corrected answer using the code given below.

Consider the following statements: A digital signature is 1. An electronic record that identifies the certifying authority issuing it 2. Used to serve as a proof of identity of an individual to access information or server on Internet 3. An electronic method of signing an electronic document and ensuring that the original contenet is unchanged Which of the statements given above is/are correct?

In which of the following areas can GPS technology be used? 1. Mobile phone operations 2. Banking operations 3. Controlling the power grids Select the correct answer using the code given below:

When the alarm of your smartphone rings in the morning, you wake up and tap it to stop the alarm which causes your geyser to be switched on automatically. The smart mirror in your bathroom shows the day’s weather and also indicates the level of water in your overhead tank. After you take some groceries from your refrigerator for making breakfast, it recognises the shortage of stock in it and places an order for the supply of fresh grocery items. When you step out of your house and lock the door, all lights, fans, geysers and AC machines get switched off automatically. On your way to office, your car warns you about traffic congestion ahead and suggests an alternative route, and if you are late for a meeting, it sends a- message to your office accordingly. In the context of emerging communication technologies, which one of the following term” best applies to the above scenario?

Which of the following statements is/are correct regarding Smart India Hackathon 2017? 1. It is centrally sponsored scheme for developing every city of our country into Smart Cities in a decade 2. It is an initiative to identify new digital technology innovation for solving the many problems faced by our country. 3. It is a programme aimed at making all the financial transactions in our country complete digital in a decade. Select the correct answer using the codes given below.

In India, it is legally mandatory for which of the following to report on cyber security incidents? 1. Service providers 2. Data Centres 3. Body corporate Select the correct answer using the code given below:

1. It uses light as the medium for high-speed data transmission. 2. It is a wireless technology and is several times faster than ‘Wi-Fi’.

With reference to ‘Near Field Communication (NFC) Technology’, which of the following statements is/are correct?

In addition to fingerprint scanning, which of the following can be used in the biometric identification of a person? 1. Iris scanning 2. Retinal scanning 3. Voice recognition

What is the difference between Bluetooth and Wi-Fi devices?

What is “Virtual Private Network”?

A new optical disc format know as the Blu-ray Disc (BD) is becoming popular. In What way is it different form the traditional DVD? 1. DVD supports standard Definition video while BD supports High definition Video. 2. Compared to a DVD, the BD format has several times more storage capacity. 3. Thickness of BD is 2.4 mm while that of DVD is 1.2 mm. Which of the statements given above is/are correct?