22PRN222
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PRN222 Exam Questions with Correct
Answers
SignalR provides two models for communicate between clients and severs: Persistent Connections,
Hubs. Choose the correct information about Persistent Connections.
A. Persistent Connections provide direct access to a low-level communication protocol that signalR
provides. Each client connection to a server is identified by a connectionID.
B. Persistent Connections provide a High-level API for the client and server to call each other's method.
It will be.COM very familiar to those developers who have worked on remote invocation APIs.
C. If you have multiple types of messages that you want to send between a server and a client then it is
recommended to use Persistent Connections so you do not need to do your own dispatching.
D. None of the others.
A
To enable the MessagePack Hub Protocol on the server, install the Microsoft.AspNetCore. SignalR.
Protocols.MessagePack package in your app. Choose the correct code to enable MessagePack for
SignalR in Startup.ConfigureServices method.
A. services.AddSignalR().AddMessagePackProtocol();
B. services.AddMessage PackProtocol().AddSignalR();
C. services.AddSignalR(). EnableMessage Pack Protocol();
D. services. Enable Message PackProtocol().AddSignalR();
A
ASP.NET Core SignalR supports two protocols for encoding messages. Each protocol has serialization
configuration options. Please choose the correct protocols.
A. JSON and MessagePack
B. BSON and MessagePack
22PRN222
ExamPRN222
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C. JSON and BSON
D. JSON and XML
A
What is "real-time web" functionality?
A. It is the ability to have your server-side code push content to the connected clients as it happens, in
real-time.B. It is the ability to have your client-side code push content to the connected clients as it
happens, in real-time.
C. It is the ability to have your both server-side and client code push content to the connected clients as
it happens,
in real-time.
D. It is the ability to have your both server-side and client code pull content from the connected clients,
in real-time.
A
Choose the option is not a feature of SignalR for ASP.NET Core.
A. Handles connection management automatically.
B. Sends messages to all connected clients simultaneously.
C. Do not send messages to specific clients or groups of clients.
D. Scales to handle increasing traffic.
C
In the case working ASP.NET SignalR with JavaScript client library, which the following code to create
and start a connection?
A. var connection = new signalR.HubConnectionBuilder().withUrl("/chatHub").build();
B. var connection = new signalR.Builder().withUrl("/chatHub").build();
C. var connection = new signalR.HubConnection Builder().withUrl("/chatHub").create();
22PRN222
ExamPRN222
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Exam Questions
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,22PRN222
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D. var connection = new signalR. HubBuilder().withUrl("/chatHub").build();
A
Which of the following commands can be used to create a WPF application named MyApp by.NET CLI
tool?
A. dotnet new wpf -n MyApp
B. dotnet create wpf -n MyApp
C. dotnet new wpf MyApp
D. dotnet create wpf -I MyApp
A
Which of the following statements related to System.Xaml.dll is True?
A. This assembly provides namespaces that allow us to program against a XAML document at runtime.
By and large, this library is useful only if we are authoring WPF support tools or need absolute control
over XAML at Runtime B. This assembly defines types that constitute the infrastructure of the WPF API,
including those representing WPF threading types, security types, various type converters, and support
for dependency properties and routed Events C. This assembly contains a majority of the WPF controls,
the Application and Window classes, support for interactive 2D graphics, and numerous types used in
data binding
D. All of the others
A
Choose the correct statement about WPF Types
A. All of the others
B. DependencyObject: provide features like change notification, support data bindings, attached
properties, etc
C. Visual: The Visual class defines all the properties required for rendering, clipping, transforming,
bounding, and hit test GOM
22PRN222
ExamPRN222
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,22PRN222
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D. DispatcherObject: WPF application uses Single-Thread Affinity (STA) model and therefore every UI
element is owned by
a single thread
A
Choose the correct statement about System.Windows. Data in the WPF Namespaces
A. This is namespace contains types to work with the WPF data-binding engine, as well as support for
data-binding
templates
B. This is namespace defines classes that allow us to render interactive 2D graphics that automatically
respond to mouse
input C. This is namespace defines a number of types that allow XAML markup to be parsed and
processed programmatically
D. None of the others
A
Choose the correct statement about Windows Presentation Foundation (WPF)
A. The WPF supports a broad set of application development features, including an application model,
resources,
controls, graphics, layout, data binding, documents, and security
B. The WPF is only supported by the.NET Core
C. WPF uses the Extensible Markup Language (XML) to provide a declarative model for application
programming GOM
D. All of the others
A
Choose the correct statement about PresentationFramework.dll assembly in the WPF Architecture
22PRN222
ExamPRN222
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Exam Questions
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PRN222 Exam Questions with Correct
Answers
SignalR provides two models for communicate between clients and severs: Persistent Connections,
Hubs. Choose the correct information about Persistent Connections.
A. Persistent Connections provide direct access to a low-level communication protocol that signalR
provides. Each client connection to a server is identified by a connectionID.
B. Persistent Connections provide a High-level API for the client and server to call each other's method.
It will be.COM very familiar to those developers who have worked on remote invocation APIs.
C. If you have multiple types of messages that you want to send between a server and a client then it is
recommended to use Persistent Connections so you do not need to do your own dispatching.
D. None of the others.
A
To enable the MessagePack Hub Protocol on the server, install the Microsoft.AspNetCore. SignalR.
Protocols.MessagePack package in your app. Choose the correct code to enable MessagePack for
SignalR in Startup.ConfigureServices method.
A. services.AddSignalR().AddMessagePackProtocol();
B. services.AddMessage PackProtocol().AddSignalR();
C. services.AddSignalR(). EnableMessage Pack Protocol();
D. services. Enable Message PackProtocol().AddSignalR();
A
ASP.NET Core SignalR supports two protocols for encoding messages. Each protocol has serialization
configuration options. Please choose the correct protocols.
A. JSON and MessagePack
B. BSON and MessagePack
22PRN222
ExamPRN222
Questions
Exam Questions
Exam
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,22PRN222
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C. JSON and BSON
D. JSON and XML
A
What is "real-time web" functionality?
A. It is the ability to have your server-side code push content to the connected clients as it happens, in
real-time.B. It is the ability to have your client-side code push content to the connected clients as it
happens, in real-time.
C. It is the ability to have your both server-side and client code push content to the connected clients as
it happens,
in real-time.
D. It is the ability to have your both server-side and client code pull content from the connected clients,
in real-time.
A
Choose the option is not a feature of SignalR for ASP.NET Core.
A. Handles connection management automatically.
B. Sends messages to all connected clients simultaneously.
C. Do not send messages to specific clients or groups of clients.
D. Scales to handle increasing traffic.
C
In the case working ASP.NET SignalR with JavaScript client library, which the following code to create
and start a connection?
A. var connection = new signalR.HubConnectionBuilder().withUrl("/chatHub").build();
B. var connection = new signalR.Builder().withUrl("/chatHub").build();
C. var connection = new signalR.HubConnection Builder().withUrl("/chatHub").create();
22PRN222
ExamPRN222
Questions
Exam Questions
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,22PRN222
ExamPRN222
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D. var connection = new signalR. HubBuilder().withUrl("/chatHub").build();
A
Which of the following commands can be used to create a WPF application named MyApp by.NET CLI
tool?
A. dotnet new wpf -n MyApp
B. dotnet create wpf -n MyApp
C. dotnet new wpf MyApp
D. dotnet create wpf -I MyApp
A
Which of the following statements related to System.Xaml.dll is True?
A. This assembly provides namespaces that allow us to program against a XAML document at runtime.
By and large, this library is useful only if we are authoring WPF support tools or need absolute control
over XAML at Runtime B. This assembly defines types that constitute the infrastructure of the WPF API,
including those representing WPF threading types, security types, various type converters, and support
for dependency properties and routed Events C. This assembly contains a majority of the WPF controls,
the Application and Window classes, support for interactive 2D graphics, and numerous types used in
data binding
D. All of the others
A
Choose the correct statement about WPF Types
A. All of the others
B. DependencyObject: provide features like change notification, support data bindings, attached
properties, etc
C. Visual: The Visual class defines all the properties required for rendering, clipping, transforming,
bounding, and hit test GOM
22PRN222
ExamPRN222
Questions
Exam Questions
Exam
with Questions
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with Correct
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,22PRN222
ExamPRN222
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D. DispatcherObject: WPF application uses Single-Thread Affinity (STA) model and therefore every UI
element is owned by
a single thread
A
Choose the correct statement about System.Windows. Data in the WPF Namespaces
A. This is namespace contains types to work with the WPF data-binding engine, as well as support for
data-binding
templates
B. This is namespace defines classes that allow us to render interactive 2D graphics that automatically
respond to mouse
input C. This is namespace defines a number of types that allow XAML markup to be parsed and
processed programmatically
D. None of the others
A
Choose the correct statement about Windows Presentation Foundation (WPF)
A. The WPF supports a broad set of application development features, including an application model,
resources,
controls, graphics, layout, data binding, documents, and security
B. The WPF is only supported by the.NET Core
C. WPF uses the Extensible Markup Language (XML) to provide a declarative model for application
programming GOM
D. All of the others
A
Choose the correct statement about PresentationFramework.dll assembly in the WPF Architecture
22PRN222
ExamPRN222
Questions
Exam Questions
Exam
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