﻿<?xml version="1.0" encoding="UTF-8"?>
<quiz>
<question type="category">
<category>
<text>$course$/Modern data interfaces/Modern data interfaces</text>
</category>
</question>
<question type="multichoice">
<name>
<text><![CDATA[USB interface is ranked among:]]></text>
</name>
<questiontext format="html">
<text><![CDATA[USB interface is ranked among:]]></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[metallic interfaces]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[wireless interfaces]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[optical interfaces]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[hybrid interfaces]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Which interface is now the most serious competitor to USB interface?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Which interface is now the most serious competitor to USB interface?]]></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[Thundebolt]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[PCI Express]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[HDMI]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[Wi-Fi]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[FireWire]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[eSATA]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Bluetooth interface is ranked among:]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Bluetooth interface is ranked among:]]></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[wireless interfaces]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[metallic interfaces]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[optical interfaces]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[hybrid interfaces]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[What is the maximum cable length between two USB 3.x devices?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[What is the maximum cable length between two USB 3.x devices?]]></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[3 meters]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[10 meters]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[1 meter]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[5 meters]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[What kind of format is used for data transfer on USB interface?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[What kind of format is used for data transfer on USB interface?]]></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[serial]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[parallel]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[cyclic]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[synchronous]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[What type of architecture is typical for USB interface in version 3.x?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[What type of architecture is typical for USB interface in version 3.x?]]></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[dual bus]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[single bus]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[combined bus]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[external bus]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Data transfers on the USB bus consist of:]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Data transfers on the USB bus consist of:]]></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[one or more transactions]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[only one transaction]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[always more transactions]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[exactly two transactions]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Which type of connector is new for the USB version 3.x?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Which type of connector is new for the USB version 3.x?]]></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[type C]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[type A]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[type B]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[type AB]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[For what purpose is used a process called &quot;bus inventory&quot;?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[For what purpose is used a process called &quot;bus inventory&quot;?]]></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[to identify and manage the state of the terminal device]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[only  for identification of the state of the terminal device]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[for the connection of the terminal device on the bus]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[for the disconnection of the terminal device from the bus]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[How the USB terminal equipments notify their properties?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[How the USB terminal equipments notify their properties?]]></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[by the help of descriptors]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[by the help of status packets]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[by the help of pointers]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[by the help of data transactions]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[What type of encoding is used on the USB bus in version 3.x?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[What type of encoding is used on the USB bus in version 3.x?]]></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[8B/10B]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[4B/5B]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[2B1Q]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[4B3T]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[What is the theoretical transfer rate on a USB 3.0?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[What is the theoretical transfer rate on a USB 3.0?]]></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[5 Gbps]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[480 Mbps]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[10 Gbps]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[1 Gbps]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Which two interfaces are used by Thunderbolt interface in its architecture?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Which two interfaces are used by Thunderbolt interface in its architecture?]]></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[PCI-Express and Display Port]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[eSATA and Display Port]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[PCI bus and Display Port]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[PCI-Express and HDMI]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Which medium is used for the  transmission of data and power on Thunderbolt  interface?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Which medium is used for the  transmission of data and power on Thunderbolt  interface?]]></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[metallic wires]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[optical fibres]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[combination of metallic wires and optical fibres]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[coaxial pairs]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[What kind of frequency band is utilized by Bluetooth technology?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[What kind of frequency band is utilized by Bluetooth technology?]]></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[2,4 GHz]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[5 GHz]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[900 MHz]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[1800 MHz]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[How is called a network in Bluetooth technology?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[How is called a network in Bluetooth technology?]]></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[piconet]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[micronet]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[femtonet]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[picocell]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[What type of encryption is used for data protection in Bluetooth technology?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[What type of encryption is used for data protection in Bluetooth technology?]]></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[symmetric]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[unsymmetric]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[asymmetric]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[polymetric]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[Such term is referred for piconets that overlap each other?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[Such term is referred for piconets that overlap each other?]]></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[scatternet]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[mesh]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[ad-hoc]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[ring]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[How many active slave devices can be at the most managed by a master device?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[How many active slave devices can be at the most managed by a master device?]]></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[7]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[1]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[10]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[5]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>

<question type="multichoice">
<name>
<text><![CDATA[The processing of user data bits consists of up to 4 steps. Which one is mandatory?]]></text>
</name>
<questiontext format="html">
<text><![CDATA[The processing of user data bits consists of up to 4 steps. Which one is mandatory?]]></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[scrambling]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[protection CRC]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[coding FEC]]></text>
<feedback>
<text></text>
</feedback>
</answer>
<answer fraction="0">
<text><![CDATA[encryption]]></text>
<feedback>
<text></text>
</feedback>
</answer>
</question>


</quiz>

