Ch 14: Session Tracking in Servlets

45 Questions45 MCQs0 Short Questions0 Long Questions
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CS311 - Introduction to Web Services Development Examination Practice

Timed practice exam simulation for CS311 - Introduction to Web Services Development.

๐Ÿ“˜ VU MID TERM EXAMLectures 1 to 22
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Mid Term Examination

Covers syllabus of Lectures 1 to 22 with 30 high-yield MCQs in a timed exam environment.

๐Ÿ“30 MCQs
โฑ๏ธ60 Minutes
๐Ÿ“— VU FINAL TERM EXAMLectures 23 to 45
โฑ๏ธ 90 Mins

Final Term Examination

Comprehensive semester exam preparation with 45 MCQs covering Lectures 23 to 45 with complete course coverage.

๐Ÿ“45 MCQs
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Showing 21 โ€“ 30 of 45 Questions
Page 3 of 5
Q21
โ“ MCQ๐Ÿ“˜ CS311๐Ÿ“‘ Lec 14๐Ÿท๏ธ 14.2. JAXP Key Packages and Classes (org.w3c.dom, javax.xml.parsers)Easy๐Ÿ”โญ๐Ÿ“„๐ŸŽ“VU๐Ÿ›๏ธVU
In Java XML parsing packages, what does the abbreviation SAX stand for?
  1. A.Simple API for XML Parsing
  2. B.Standard Application for XML
  3. C.Simple Architecture for XML
  4. D.System Access for XML
Q22
โ“ MCQ๐Ÿ“˜ CS311๐Ÿ“‘ Lec 14๐Ÿท๏ธ 14.2. JAXP Key Packages and Classes (org.w3c.dom, javax.xml.parsers)Easy๐Ÿ”โญ๐Ÿ’ก๐Ÿ“„๐ŸŽ“VU๐Ÿ›๏ธVU
Which of the following statements is/are true regarding the operational behavior of a SAX (Simple API for XML) parser?
  1. A.The SAX parser reads an XML document from top to bottom, recognizing the tokens that make up a well-formed XML document.
  2. B.The application program provides an 'event' handler that must be registered with the parser.
  3. C.The SAX parser reports to the application program the nature of tokens that the parser has encountered as they occur.
  4. D.All of the given statements are true.
Q23
โ“ MCQ๐Ÿ“˜ CS311๐Ÿ“‘ Lec 14๐Ÿท๏ธ 14.2. JAXP Key Packages and Classes (org.w3c.dom, javax.xml.parsers)Medium๐Ÿ”โญ๐Ÿ’ก๐Ÿ“„๐ŸŽ“VU๐Ÿ›๏ธVU
Which of the following is the most accurate description of the `characters()` method in the SAX parsing API?
๐Ÿ’ป java Snippet
public void characters(char[] ch, int start, int length) throws SAXException
  1. A.A method of the DOM API to insert character data in the XML document.
  2. B.A method of the SAX ContentHandler interface to receive notification of the presence of character data.
  3. C.A method of the DOM interface to replace the entity reference with the character data.
  4. D.None of these.
Q24
โ“ MCQ๐Ÿ“˜ CS311๐Ÿ“‘ Lec 14๐Ÿท๏ธ 14.2. JAXP Key Packages and Classes (org.w3c.dom, javax.xml.parsers)Medium๐Ÿ”โญ๐Ÿ’ก๐Ÿ“„๐ŸŽ“VU๐Ÿ›๏ธVU
Consider an application running in a highly memory- and speed-constrained environment that needs to parse XML documents, sort their elements, and transmit the sorted data to a higher-configuration machine. Which of the following approaches is most appropriate for this context?
  1. A.Use a platform-native language parser without using standard XML APIs.
  2. B.Use a DOM-based parsing approach.
  3. C.Use a SAX-based parsing approach.
  4. D.A combined DOM and SAX parsing pipeline is required.
Q25
โ“ MCQ๐Ÿ“˜ CS311๐Ÿ“‘ Lec 14๐Ÿท๏ธ 14.3. JDOM Parser: Overview and OptimizationsEasy๐Ÿ”โญ๐Ÿ’ก๐Ÿ“„๐ŸŽ“VU๐Ÿ›๏ธVU
Which of the following statements is/are true regarding the design and target developer experience of JDOM?
  1. A.JDOM is an open-source, Java-based library to parse and manipulate XML documents.
  2. B.JDOM is a Java developer-friendly API optimized specifically for the Java programmer.
  3. C.Both of the above are true.
  4. D.None of the above are true.
Q26
โ“ MCQ๐Ÿ“˜ CS311๐Ÿ“‘ Lec 14๐Ÿท๏ธ 14.2. JAXP Key Packages and Classes (org.w3c.dom, javax.xml.parsers)Medium๐Ÿ”โญ๐Ÿ’ก๐ŸŒŸ๐Ÿ“„๐ŸŽ“VU๐Ÿ›๏ธVU
In which of the following scenarios is a developer most likely to choose a SAX-based parsing approach over a DOM-based parsing approach?
  1. A.You want to process a very large XML document sequentially from top to bottom, without loading the entire document tree into memory.
  2. B.You need to navigate randomly across sibling and parent relationships throughout the XML structure.
  3. C.You require the ability to dynamically modify the XML elements and write those changes back to the file.
  4. D.The application must build a persistent, visual tree structure of the parsed XML elements.
Q27
โ“ MCQ๐Ÿ“˜ CS311๐Ÿ“‘ Lec 14๐Ÿท๏ธ 14.2. JAXP Key Packages and Classes (org.w3c.dom, javax.xml.parsers)Medium๐Ÿ”โญ๐Ÿ’ก๐Ÿ“„๐ŸŽ“VU๐Ÿ›๏ธVU
During JAXP SAX parsing, which callback method of the registered `ContentHandler` is invoked by the parser when it encounters character data (text content) inside an XML element?
๐Ÿ’ป java Snippet
public void characters(char[] ch, int start, int length) throws SAXException
  1. A.`startDocument()`
  2. B.`characters()`
  3. C.`startElement()`
  4. D.`endElement()`
Q28
โ“ MCQ๐Ÿ“˜ CS311๐Ÿ“‘ Lec 14๐Ÿท๏ธ 14.2. JAXP Key Packages and Classes (org.w3c.dom, javax.xml.parsers)Easy๐Ÿ”โญ๐Ÿ’ก๐Ÿ“„๐ŸŽ“VU๐Ÿ›๏ธVU
Under the JAXP SAX specification, which of the following event callback methods is automatically invoked at the very beginning of parsing an XML document?
๐Ÿ’ป java Snippet
public void startDocument() throws SAXException {
    System.out.println("Parsing has started!");
}
  1. A.startDocument()
  2. B.initDocument()
  3. C.documentStart()
  4. D.None of the given options
Q29
โ“ MCQ๐Ÿ“˜ CS311๐Ÿ“‘ Lec 14๐Ÿท๏ธ 14.2. JAXP Key Packages and Classes (org.w3c.dom, javax.xml.parsers)Medium๐Ÿ”โญ๐Ÿ’ก๐ŸŒŸ๐Ÿ“„๐ŸŽ“VU๐Ÿ›๏ธVU
An XML document to be processed is exceptionally large, and the application only needs to extract a small, targeted portion of the information. Memory and execution speed are major constraints. Which of the following approaches is most appropriate for this situation?
  1. A.Use SAX
  2. B.Use DOM
  3. C.Extract the necessary information and process using XSLT.
  4. D.Use a schema-based approach.
Q30
โ“ MCQ๐Ÿ“˜ CS311๐Ÿ“‘ Lec 14๐Ÿท๏ธ 14.2. JAXP Key Packages and Classes (org.w3c.dom, javax.xml.parsers)Easy๐Ÿ”โญ๐Ÿ’ก๐Ÿ“„๐ŸŽ“VU๐Ÿ›๏ธVU
Which processing approach or model does SAX (Simple API for XML) utilize to process XML documents sequentially?
  1. A.Tree-based parsing
  2. B.Event-based parsing
  3. C.Document-based parsing
  4. D.Query-based parsing