Data Compression and Data Retrieval MCQs with answers Page - 5

Here, you will find a collection of MCQ questions on Data Compression and Data Retrieval. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. Attribute standalone="no" should be included in xml declaration if a document

  • (A) Is linked to an external xsl stylesheet
  • (B) Has external general references
  • (C) Has processing instructions
  • (D) Has an external dtd

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Q. The xml dom object is

  • (A) Entity
  • (B) Entity Reference
  • (C) Comment Reference
  • (D) Comment Data

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Q. Whats so great about xml?

  • (A) Easy data exchange
  • (B) High speed on network
  • (C) Only b.is correct
  • (D) Both A. & B.

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Q. The Attribute Used To Define A New Namespace Is

  • (A) XMLNS
  • (B) Xmlnamespace
  • (C) Xmlns
  • (D) Xmlns

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Q. With XML:

  • (A) Views are not limited to one multi-valued path only.
  • (B) Documents can automatically be generated from database data only.
  • (C) Database data can automatically be extracted from xml documents only.
  • (D) With xml, all of the above are true.

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Q. An xml component that defines the structure of a document is known as a(n):

  • (A) DOCTYPE.
  • (B) DTD
  • (C) #PCDATA.
  • (D) HTML Stylesheet.

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Q. What is not true about xml?

  • (A) Web Page Display Is The Most Important Application Of XML.
  • (B) With XML, There Is A Clear Separation Between Document Structure, Content And Materialization.
  • (C) XML Is More Powerful Than HTML.
  • (D) XML Documents Have Two Sections.

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Q. Data compression consists of taking a stream of symbols and transforming them into_______.

  • (A) Bits
  • (B) Codes
  • (C) Error
  • (D) Image

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Q. In Huffman coding, the actual output of the encoder is determined by a set of

  • (A) Probabilities
  • (B) Function
  • (C) Codes
  • (D) Model

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Q. A compression technique consists of two basic components such as

  • (A) Coding, Decoding
  • (B) Encoding , Coding
  • (C) Encoding , Decoding
  • (D) None of Above.

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