﻿<?xml version="1.0" encoding="UTF-8"?>
<quiz>
<question type="category">
<category>
<text>$course$/Cryptography, cybercriminality/Cryptography, cybercriminality</text>
</category>
</question>
<question type="multichoice">
<name>
<text><![CDATA[Which of the following sentences is true?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Which of the following sentences is true?]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="100">
<text><![CDATA[In symmetric key algorithms the same key is used both for encryption and decryption]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[In asymmetric key algorithms the same key is used both for encryption and decryption]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[The primary benefit of symmetric cryptography is that it allows people who have no pre-existing security arrangement to exchange messages securely]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[In symmetric cryptography every user has a pair of keys: a public key, which encrypts data, and a corresponding private, or secret, key for decryption]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Which of the following sentences is true?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Which of the following sentences is true?]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="0">
<text><![CDATA[In asymmetric key algorithms the same key is used both for encryption and decryption]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[AES (Advanced Encryption Standard) is an example of asymmetric key algorithms]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="100">
<text><![CDATA[The primary benefit of asymmetric cryptography is that it allows people who have no pre-existing security arrangement to exchange messages securely]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[The private and public keys are mathematically unlinked, so it is infeasible to derive the private key from the public key]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[When public key cryptography is used to provide confidentiality]]></text>
</name>
<questiontext format="html">
<text><![CDATA[When public key cryptography is used to provide confidentiality]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="100">
<text><![CDATA[The public key of the receiver is used for ciphering the plaintext]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[The private key of the receiver is used for ciphering the plaintext]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[The public key of the sender is used for ciphering the plaintext]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[The private key of the sender is used for ciphering the plaintext]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[When public key cryptography is used to provide authentication]]></text>
</name>
<questiontext format="html">
<text><![CDATA[When public key cryptography is used to provide authentication]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="0">
<text><![CDATA[The public key of the receiver is used for ciphering the plaintext]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[The private key of the receiver is used for ciphering the plaintext]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[The public key of the sender is used for ciphering the plaintext]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="100">
<text><![CDATA[The private key of the sender is used for ciphering the plaintext]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Regarding the modes of operation of block cipher algorithms, which of the following sentences is false?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Regarding the modes of operation of block cipher algorithms, which of the following sentences is false?]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="100">
<text><![CDATA[Parallel encryption is possible in CBC mode]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[In ECB mode blocks can be reordered and the reordering or repetition of blocks can change the message]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[There is limited error-propagation in CBC mode]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[In ECB mode, the plaintext structural information is exposed]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Which of the following sentences is true regarding modes of operation in block cipher algorithms]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Which of the following sentences is true regarding modes of operation in block cipher algorithms]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="0">
<text><![CDATA[CTR decryption mode is not parallelizable, but preprocessing is possible]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="100">
<text><![CDATA[Errors are not propagated when OFB is applied]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[CTR encryption mode is parallelizable, but preprocessing is not possible]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[Errors are not propagated when CFB is applied]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[The state update mechanism]]></text>
</name>
<questiontext format="html">
<text><![CDATA[The state update mechanism]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="100">
<text><![CDATA[is independent of the plaintext in synchronous stream ciphers]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[is independent of the ciphertext in self-synchronising stream ciphers]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[depends of the ciphertext in synchronous stream ciphers]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[depends of the ciphertext in synchronous block ciphers]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Which of the following sentences is false regarding hybrid encryption:]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Which of the following sentences is false regarding hybrid encryption:]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="0">
<text><![CDATA[The random key is needed for symmetric encryption of the plaintext]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[The length of the ciphertext can be smaller than the length of the plaintext]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="100">
<text><![CDATA[The random key is ciphered with the public key of the receiver]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[The advantage respect ciphering the data with public key encryption is the speed of symmetric encryption]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Regarding hash functions, is it false that:]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Regarding hash functions, is it false that:]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="0">
<text><![CDATA[The output has a fixed length]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="100">
<text><![CDATA[Two different messages always have different hashes]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[Hash functions are one-way]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[It is computationally infeasible to modify a message without changing the hash]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[The digital signature must fulfil:]]></text>
</name>
<questiontext format="html">
<text><![CDATA[The digital signature must fulfil:]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="0">
<text><![CDATA[Signature can be transferable]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[Signature can be deniable]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="100">
<text><![CDATA[Signature must use some information unique to the sender]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[Signature digital provides authentication but not data integrity]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[A digital certificate]]></text>
</name>
<questiontext format="html">
<text><![CDATA[A digital certificate]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="100">
<text><![CDATA[bind together a public key with an identity by using a digital signature]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[bind together a private key with an identity by using a digital signature]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[It does not contain any digital signature]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[It is digitally signed by the owner of this certificate]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[A digital certificate must be revoked when]]></text>
</name>
<questiontext format="html">
<text><![CDATA[A digital certificate must be revoked when]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="0">
<text><![CDATA[The certificate has been distributed without owner permission]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[The validity period has expired]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="100">
<text><![CDATA[The owner entity is no longer in sole possession of the private key]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[The owner is 18 years old]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[The certification authority]]></text>
</name>
<questiontext format="html">
<text><![CDATA[The certification authority]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="0">
<text><![CDATA[verifies the validity of the digital certificate]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="100">
<text><![CDATA[signs the digital certificate]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[has not any private key]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[has a public key only known by other certification authorities]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Which of the following sentences is false regarding the certificate revocation list (CRL)]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Which of the following sentences is false regarding the certificate revocation list (CRL)]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="0">
<text><![CDATA[It is a list of revoked certificates]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="100">
<text><![CDATA[It is a list of expired certificates]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[It is periodically published]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[It is digitally signed]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[The use of digital certificates]]></text>
</name>
<questiontext format="html">
<text><![CDATA[The use of digital certificates]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="0">
<text><![CDATA[enables the distribution of any kind of cryptographic key]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[enables private key distribution]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[enables symmetric key distribution]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="100">
<text><![CDATA[enables public key distribution]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[In order to verify a digital signature, it is required]]></text>
</name>
<questiontext format="html">
<text><![CDATA[In order to verify a digital signature, it is required]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="100">
<text><![CDATA[The knowledge of the public key of the sender]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[The knowledge of the private key of the sender]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[The knowledge of the symmetric key of the sender]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[The knowledge of the public key of the receiver]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Regarding cybercrime, which of the following sentences is false?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Regarding cybercrime, which of the following sentences is false?]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="100">
<text><![CDATA[The deployment of viruses can not be considered cybercrime]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[Cybercrime requires the use of modern telecommunication networks]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[An effective incident response procedure includes forensic investigation]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[An effective incident response procedure includes containment of the threat]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Examples of active attacks are:]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Examples of active attacks are:]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="0">
<text><![CDATA[Masquerade, replay, eavesdropping, DoS]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[Modification of messages, replay, eavesdropping, DoS]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[Modification of messages, masquerade, eavesdropping, DoS]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="100">
<text><![CDATA[Modification of messages, masquerade, replay, DoS]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Examples of passive attacks are:]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Examples of passive attacks are:]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="0">
<text><![CDATA[Masquerade, traffic analysis]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[DoS, masquerade]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="100">
<text><![CDATA[Traffic analysis, eavesdropping]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[Eavesdropping, masquerade]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Which of the following sentences is a bad prevention tip?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Which of the following sentences is a bad prevention tip?]]></text>
</questiontext>
<image></image>
<generalfeedback>
<text></text>
</generalfeedback>
<defaultgrade>1</defaultgrade>
<penalty>0.1</penalty>
<hidden>0</hidden>
<shuffleanswers>1</shuffleanswers>
<single>true</single>
<shuffleanswers>true</shuffleanswers>
<correctfeedback>
<text></text>
</correctfeedback>
<partiallycorrectfeedback>
<text></text>
</partiallycorrectfeedback>
<incorrectfeedback>
<text></text>
</incorrectfeedback>
<answernumbering>none</answernumbering>
<answer fraction="0">
<text><![CDATA[Keep the computer system up with the latest patches and updates]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[Choose strong passwords and keep them safe]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[Protect the personal information]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="100">
<text><![CDATA[Keep the original passwords in your routers]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>


</quiz>

