Ch 12: Servlet Lifecycle & Request Dispatching

Technical analysis of container thread allocation, lifecycle stages, client-side redirection (HTTP 302) vs server-side request forwarding, and request scoping.

51 Questions51 MCQs0 Short Questions0 Long Questions

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CS311 - Introduction to Web Services Development Examination Practice

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Q21

❓ MCQ📘 CS311📑 Lec 12🏷️ 12.1. XML Validation (Well-formed vs Valid XML)Medium🔁⭐💡📄🎓VU🏛️VU

Determine whether the following XML document is well-formed: ```xml Students Teacher ```

💻 xml Snippet

<!-- Incorrect XML -->
<to age=19>Students</to>
<!-- Correct XML -->
<to age="19">Students</to>

A.Yes, the document is well-formed.
B.No, because the attribute value '19' is not enclosed in quotation marks.

Q22

❓ MCQ📘 CS311📑 Lec 12🏷️ 12.5. DTD Element Category Declarations (EMPTY, ANY, PCDATA)Medium🔁⭐💡🌟📄🎓VU🏛️VU

Which of the following Document Type Definition (DTD) element declarations indicates that the declared element can contain any combination of parsable character data and nested child elements?

💻 xml Snippet

<!ELEMENT note ANY>

A.``
B.``
C.``
D.``

Q23

❓ MCQ📘 CS311📑 Lec 12🏷️ 12.4. CDATA vs PCDATA Parsing RulesMedium🔁⭐💡📄🎓VU🏛️VU

The term CDATA is used in XML to describe which specific category of data that should not be analyzed or parsed by the XML parser?

💻 xml Snippet

<script>
<![CDATA[
function matchwo(a,b) {
  if (a < b && a < 0) { return 1; }
  else { return 0; }
}
]]>
</script>

A.Binary audio stream data
B.Plain text character data containing literal markup and reserved symbols
C.Embedded compressed video frames
D.Null object references inside DOM

Q24

❓ MCQ📘 CS311📑 Lec 12🏷️ 12.5. DTD Element Category Declarations (EMPTY, ANY, PCDATA)Easy🔁⭐💡📄🎓VU🏛️VU

In a Document Type Definition (DTD), elements that contain only parsed character data are declared using which category specification inside parentheses?

💻 xml Snippet

<!ELEMENT from (#PCDATA)>

A.`ANY`
B.`#PCDATA`
C.`CDATA`
D.`#DATA`

Q25

❓ MCQ📘 CS311📑 Lec 12🏷️ 12.9. DTD Attribute Value Types (#REQUIRED, #IMPLIED, #FIXED, Enumerated)Easy🔁⭐💡📄🎓VU🏛️VU

In a Document Type Definition (DTD) attribute list declaration, which keyword must be used if you do not want to define a default value but still want to force the author to include the attribute on the XML element?

💻 xml Snippet

<!ATTLIST person number CDATA #REQUIRED>

A.`#IMPLIED`
B.`#IMPLICIT`
C.`#INFERRED`
D.`#REQUIRED`

Q26

❓ MCQ📘 CS311📑 Lec 12🏷️ 12.5. DTD Element Category Declarations (EMPTY, ANY, PCDATA)Easy🔁⭐💡📄🎓VU🏛️VU

In a Document Type Definition (DTD), empty elements (such as `
` or ``) must be declared using which category keyword?

💻 xml Snippet

DTD declaration:
<!ELEMENT br EMPTY>

XML example:
<br />

A.NULL
B.IDLE
C.EMPTY
D.VOID

Q27

❓ MCQ📘 CS311📑 Lec 12🏷️ 12.1. XML Validation (Well-formed vs Valid XML)Easy🔁⭐💡📄🎓VU🏛️VU

Under standard W3C XML specifications, an XML document is classified as a well-formed document if it meets which of the following rules?

A.It contains at least one root element, but elements can overlap or remain unclosed.
B.It contains exactly one root element, all element tags are correctly nested, and all tags are properly closed.
C.It uses custom tags that match a predefined schema file or external DTD.
D.It is written entirely in lowercase characters with single quotation marks around all attributes.

Q28

❓ MCQ📘 CS311📑 Lec 12🏷️ 12.1. XML Validation (Well-formed vs Valid XML)Hard🔁⭐💡🌟📄🎓VU🏛️VU

When receiving XML documents from an untrusted external agent, which of the following represents the safest and most robust parsing practice?

A.Use a SAX parser only.
B.Use a DOM parser only.
C.Both SAX and DOM parsers can be used without any additional validation checks.
D.Both parsers can be used, but validity is a critical issue that requires validation against a DTD or XML Schema to verify data integrity.

Q29

❓ MCQ📘 CS311📑 Lec 12🏷️ 12.1. XML Validation (Well-formed vs Valid XML)Medium🔁⭐💡📄🎓VU🏛️VU

Determine whether the following XML document is well-formed according to syntax rules: ```xml Tove Jani ```

A.Yes, the document is well-formed.
B.No, because of whitespace and capitalization errors in the XML declaration, and case-sensitivity mismatches between element tags.

Q30

❓ MCQ📘 CS311📑 Lec 12🏷️ 12.3. DTD Building Blocks (PCDATA, CDATA, Elements, Attributes, Entities)Easy🔁⭐💡📄🎓VU🏛️VU

In XML Document Type Definitions (DTDs), what does the term PCDATA stand for?

💻 xml Snippet

<!ELEMENT to (#PCDATA)>

A.Predefined Character Data
B.Parsed Character Data
C.Pure Character Data
D.None of the given options

Ch 12: Servlet Lifecycle & Request Dispatching

CS311 - Introduction to Web Services Development Examination Practice

Mid Term Examination

Final Term Examination

CS311 - Introduction to Web Services Development Examination Practice

Mid Term Examination

Final Term Examination

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