XML MCQ Banner

XML Multiple Choice Questions (MCQs) and Answers

Master XML with Practice MCQs. Explore our curated collection of Multiple Choice Questions. Ideal for placement and interview preparation, our questions range from basic to advanced, ensuring comprehensive coverage of Extensible Markup Language (XML) concepts. Begin your placement preparation journey now!

Q121

Q121 A NoSQL database fails to store an XML document. What could be the cause?

A

The XML document is too short

B

The NoSQL database does not support hierarchical data

C

The XML is not converted to JSON or BSON

D

XML is not encrypted

Q122

Q122 What is the primary purpose of XML Encryption?

A

To store XML securely

B

To transform XML into binary format

C

To ensure confidentiality of XML data

D

To prevent XML parsing errors

Q123

Q123 Which XML standard is used for digitally signing XML documents?

A

XML-Signature

B

XML-Encrypt

C

XML-Auth

D

XML-Cipher

Q124

Q124 How does XML Signature help in security?

A

It encrypts the XML document

B

It verifies the integrity and authenticity of XML data

C

It compresses the XML file

D

It transforms XML into JSON

Q125

Q125 What is the difference between XML Encryption and XML Signature?

A

XML Encryption protects confidentiality, XML Signature ensures integrity

B

Both provide authentication

C

XML Signature encrypts XML elements

D

XML Encryption provides access control

Q126

Q126 What is the correct XML structure for encrypted data using XML Encryption?

A

<EncryptedData><CipherData><CipherValue>...</CipherValue></CipherData></EncryptedData>

B

<EncryptedXML><SecureData>...</SecureData></EncryptedXML>

C

<CipherText><EncryptedContent>...</EncryptedContent></CipherText>

D

<SecurityData><EncryptedBlock>...</EncryptedBlock></SecurityData>

Q127

Q127 How is an XML Digital Signature applied?

A

By hashing the XML content and encrypting it with a private key

B

By converting XML to binary format

C

By adding an attribute to the XML root element

D

By compressing XML into an encoded format

Q128

Q128 A digitally signed XML document fails verification. What could be the cause?

A

The signature algorithm is outdated

B

The XML structure has been modified

C

The XML file is too large

D

The XML has extra white spaces

Q129

Q129 Why does an XML document fail to decrypt after encryption?

A

The encryption algorithm is not compatible

B

The XML file is too large

C

The XML tags are incorrect

D

The XML data is stored in an unsupported database

Q130

Q130 What is one way to improve XML processing performance?

A

Use JSON instead of XML

B

Minimize the use of attributes

C

Increase XML file size

D

Avoid closing tags

Q131

Q131 How does streaming XML processing (e.g., SAX) improve performance?

A

It loads the entire XML file into memory

B

It processes XML sequentially without loading the entire file

C

It compresses XML data

D

It stores XML in a database

Q132

Q132 Why is binary XML considered better for performance than text-based XML?

A

It reduces file size and parsing time

B

It makes XML files more readable

C

It converts XML into JSON

D

It increases the number of attributes

Q133

Q133 Which of the following XML parsing methods is most memory-efficient for large files?

A

DOM

B

SAX

C

XSLT

D

DTD

Q134

Q134 How can XSLT transformations be optimized for performance?

A

Use smaller XML files

B

Reduce template matching operations

C

Use JSON instead of XML

D

Remove all attributes

Q135

Q135 An XML document takes too long to process. What could be the cause?

A

Too many nested elements and attributes

B

The XML file is too small

C

The XML structure is invalid

D

The XML file uses JSON syntax

Q136

Q136 An XML query takes too long to execute in an SQL database. What is the likely cause?

A

The XML data is too small

B

The XML column lacks proper indexing

C

The XML is not well-formed

D

The XML uses too many namespaces

Q137

Q137 What is a common cause of XML parsing errors?

A

Missing closing tags

B

Using uppercase element names

C

Too many attributes

D

Excessive white spaces

Q138

Q138 What is a well-formed XML document?

A

It follows syntax rules and has a single root element

B

It is readable in all web browsers

C

It contains a DTD

D

It is stored in a database

Q139

Q139 How does a validating parser differ from a non-validating parser?

A

A validating parser checks against a schema or DTD

B

A validating parser only reads XML files

C

A validating parser ignores attributes

D

A validating parser does not support namespaces

Q140

Q140 What error will the following XML snippet produce?
<person><name>John</name><age>30</person>

A

No error

B

Mismatched tags

C

Invalid attribute

D

Invalid namespace

Q141

Q141 Why does the following XML document fail to parse?
<?xml version="1.0" encoding="UTF-8"?><note><to>Tina</to><from>Sam<from></note>

A

The to element is invalid

B

The from element is not closed

C

The XML header is incorrect

D

The encoding is wrong

Q142

Q142 A browser fails to display an XML file. What could be the issue?

A

The XML has syntax errors

B

The browser does not support XML

C

The XML uses JSON syntax

D

The XML is too short

Q143

Q143 A database rejects an XML file due to an "Invalid Encoding" error. What is the likely cause?

A

The XML file is too large

B

The XML is using an unsupported encoding

C

The XML contains too many elements

D

The XML lacks attributes

Q144

Q144 How is XML commonly used in financial data exchange?

A

To store images

B

To structure and transmit transaction data

C

To replace SQL queries

D

To execute JavaScript

Q145

Q145 What advantage does XML provide in healthcare data exchange?

A

It ensures data integrity and standardization

B

It speeds up database transactions

C

It encrypts medical records

D

It prevents data duplication

Q146

Q146 How does XML benefit content management systems (CMS)?

A

It makes web pages load faster

B

It structures and stores content in a reusable format

C

It replaces CSS styles

D

It is used to design website layouts

Q147

Q147 How is XML used in e-commerce applications?

A

To store pricing rules

B

To execute JavaScript functions

C

To create animations

D

To send user credentials

Q148

Q148 Which XML standard is commonly used in configuration files?

A

RSS

B

XSLT

C

XSD

D

Spring XML

Q149

Q149 A news website's RSS feed is not updating. What is the likely cause?

A

The XML file is too small

B

The RSS XML structure is incorrect

C

The website does not support RSS

D

The XML is missing comments

Q150

Q150 An airline reservation system fails to parse an XML itinerary file. What could be the issue?

A

The XML file is encrypted

B

The XML data structure does not match the expected schema

C

The XML file is too large

D

The XML is missing a stylesheet

ad verticalad vertical
ad