NO.1 An application developer is using JSONStore in a mobile application to store purchase orders.
The application allows sellers to modify the status of an order. The JSONStore collection for the
orders is defined in a global variable as follows: var ordCollection = { orders: {
searchFields: {ord_number: 'integer', status: 'string' }
}
};
Which of the following JavaScript functions can the application developer use to change the status of
an order in the local JSONStore?
A. var updateOrder = function(orderDoc, newStatus){ orderDoc.json.status = newStatus;
WL.JSONStore.get('orders').replace(orderDoc) .then(function
(numberOfDocumentsReplaced) { // Handle success. })fail(function (errorObject) { // Handle
failure.
});
};
B. var updateOrder = function(orderDoc, newStatus){ orderDoc.json.status = newStatus;
var ordColInstance = WL.JSONStore.get(ordCollection);
var numberOfDocumentsUpdated = ordColInsnance.update(orderDoc); if(
numberOfDocumentsUpdated >= 0 ){
// Handle Success
} else {
// Handle Failure
}
};
C. var updateOrder = function(orderDoc, newStatus){ orderDoc.json.status = newStatus;
var ordColInstance = WL.JSONStore.get('orders');
var numberOfDocumentsReplaced = ordColInsnance.replace(orderDoc); if(
numberOfDocumentsReplaced >= 0 ){
// Handle Success
} else {
// Handle Failure
}
};
D. var updateOrder = function(orderDoc, newStatus){ orderDoc.json.status = newStatus;
WL.JSONStore.update(ordCollection, orderDoc) .then(function
(numberOfDocumentsUpdated) { // Handle success. })fail(function (errorObject) { // Handle
failure.
});
};
Answer: B
C5050-408 過去
Explanation:
WL.JSONStore.get(collectionName)
Provides an accessor to the collection if the collection exists, otherwise it returns
undefined.
Must reference OrdCOllection in the Get statement.
References:
https://www.ibm.com/support/knowledgecenter/SSHS8R_6.3.0/com.ibm.worklight.apiref.do
c/html/refjavascriptclient/html/WL.JSONStore.html
NO.2 The following is part of a HTTP adapter invocation result.
{
"college":{
"class":{
"description": "Class object"
"student": {
"description": "Students marks details",
"title":Top Stories"
},
"studentmarks": [
{
"name": "Mirjana Lucic-Baroni.",
"marks": "90",
"level": "Level one"
}
{
"name": "Rose Way.",
"marks": "87",
"level": "null"
}
]
}
} }
An application developer needs to send only the 'name' and 'marks' information to a mobile
application using the adapter xsl file.
Which xsl file code snippet will enable the application developer to achieve this?
A. {
'Items': [
<xsl:for-each select="//student">
{
'name': '<xsl:value-of select="student.name"/>',
'marks': '<xsl:value-of select="student.marks"/>',
},
</xsl:for-each>
]
}
B. {
'Items': [
<xsl:for-each select="//studentmarks">
{
'name': '<xsl:value-of select="name"/>',
'marks': '<xsl:value-of select="marks"/>',
},
</xsl:for-each>
]
}
C. {
'Items': [
<xsl:for-each select="//item">
{
'name': '<xsl:value-of select="name"/>',
'marks': '<xsl:value-of select="marks"/>',
},
</xsl:for-each>
]
}
D. {
'Items': [
<xsl:for-each select="//college">
{
'name: '<xsl:value-of select="college.name"/>',
'marks': '<xsl:value-of select="college.marks"/>',
},
</xsl:for-each>
]
}
Answer: B
C5050-408 関連 C5050-408 ブロンズ
Explanation:
For each studentmarks select the the name and marks.
NO.3 An application developer has developed a mobile web application that uses a large number of
resources. The application developer intends to improve the startup time of the application.
To do so, which technique should the application developer use?
A. Concatenation
B. Compression
C. Minification
D. Encryption
Answer: A
C5050-408 変更
Explanation:
Concatenation of the web resources can be used to improve the start time of the
application.
Incorrect:
Not B: By using minification on specific web resources, it is possible to reduce the size of
JavaScript and CSS files in the application.
References:
https://www.ibm.com/support/knowledgecenter/SSZH4A_6.1.0/com.ibm.worklight.dev.doc/
devref/ c_optimizing_apps_concatenation.html
NO.4 An application developer is developing an Android based Hybrid application but the application
is returning an error on the startup process.
What are two valid initialization failure statuses that the application developer can identify on the
startup process?
FAILURE_NOT_ENOUGH_SPACE
A. FAILURE_COMMUNICATIONFAILURE_ENCRYPT
B. FAILURE_COMMUNICATIONFAILURE_INTERNAL
C. FAILURE_UNZIP
D. FAILURE_CHECKSUMFAILURE_EXTERNAL
Answer: C
C5050-408 予想
Explanation:
The initialization status can be: FAILURE_INTERNAL FAILURE_UNZIP FAILURE_CHECKSUM
FAILURE_NOT_ENOUGH_SPACE References:
http://www.ibm.com/support/knowledgecenter/SSZH4A_6.2.0/com.ibm.worklight.dev.doc/d ev/
c_start_hybrid_app_android_in_webview.html
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試験番号：C5050-408 受験料試験科目：「IBM Worklight Foundation V6.2, Mobile Application Development」
最近更新時間：2017-05-19
問題と解答：75
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