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Get an edge on your Microsoft TS: Microsoft .NET Framework 3.5 C Windows Communication Foundation journey with premium 070-503 practice tests from Actual4Labs. We offer 270 questions with comprehensive updates throughout 2026, giving you the exact preparation you need.
| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | TS: Microsoft .NET Framework 3.5, Windows Communication Foundation |
| Exam Number: | 70-503 |
| Passing Score: | 700 (on a scale of 1000) |
| Exam Price: | USD 125 (varies by region) |
| Available Languages: | Simplified Chinese, English, Japanese, German, French |
| Exam Format: | Scenario-based questions, Multiple response, Multiple choice, Case studies |
| Real Exam Qty: | Approximately 40–60 |
| Related Certifications: | MCTS: .NET Framework 3.5 |
| Certificate Validity Period: | Retired (no longer available; certification previously did not expire formally but is now discontinued) |
| Exam Duration: | 120 minutes |
| Recommended Training: | Official .NET Framework 3.5 Documentation |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Computer-based exam delivered via authorized testing centers (Prometric/Vue historically, now retired). |
| Pre Condition: | Recommended: basic understanding of C# and .NET Framework 3.5. Prior experience with distributed applications is helpful. |
| Section | Objectives |
|---|---|
| Configuring and Hosting WCF Services | - Hosting environments
|
| Client Configuration and Consumption | - Service consumption
|
| Security in WCF Services | - Secure communication
|
| Designing and Developing WCF Services | - Service implementation
|
| WCF Bindings and Messaging | - Bindings
|
The 070-503 exam is a core requirement for the Microsoft Certified Technology Specialist (MCTS) certification at the Professional level. Earning this validates your skills for credentials like MCTS: .NET Framework 3.5.
Candidates will face Approximately 40–60 questions and have 120 minutes to complete the exam. This means you need strict time management. We strongly recommend taking timed practice tests to ensure you can maintain a steady pace without rushing when under actual exam time pressure.
The official examination fee is USD 125 (varies by region), and you must achieve a score of 700 (on a scale of 1000) to pass. Since retaking the test requires paying the full fee again, utilizing accurate practice materials for thorough self-assessment beforehand is crucial to protect your investment.
Candidate requirements include: Recommended: basic understanding of C# and .NET Framework 3.5. Prior experience with distributed applications is helpful.. Please verify all eligibility details on the official vendor website before scheduling your appointment.
Registration is handled through official testing partners. The exam is delivered via Computer-based exam delivered via authorized testing centers (Prometric/Vue historically, now retired).. You can sign up here:
The vendor suggests following official learning paths to build a foundational understanding:
Once you complete your training, use the 270 practice questions from Actual4Labs to refine your exam readiness.
Absolutely. A free PDF demo is available for you to evaluate the quality of our questions. Once purchased, you receive 365 days of free updates. If your access expires, you can renew it at a 50% discount to keep your materials current.
Your 070-503 practice materials are delivered instantly. You can download them right away, and a copy will be sent to your email within one minute (contact support if not received in 2 hours). You can install the software on an unlimited number of computers. We also offer a 100% Money Back Guarantee: if you fail the corresponding exam within 60 days of purchase, you can claim a full refund. To apply, submit your enrollment slip and official Score Report PDF within 2 days after taking the test (processing takes up to 7 days). Note: failures within 3 days of purchase, downloaded but unattempted exams, free materials, and expired orders are excluded. The payer's name must match the candidate's name. Alternatively, you can exchange your order for two free exams of equal value and keep the original product's updates.
The syllabus is divided into 5 main domains. Key areas include "Client Configuration and Consumption", "Designing and Developing WCF Services", "Configuring and Hosting WCF Services". For a comprehensive breakdown of all measured skills, please review the complete exam outline table provided above.
Question 1
You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service will contain an enumeration named OrderState.
The OrderState enumeration will contain the following four values:
The client application must be able to set the state of an Order entity to only the following two values:
You need to create the data contract for OrderState. Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Question 2
You create a Windows Communication Foundation (WCF) service by using Microsoft .NET Framework 3.5. The WCF service accepts service requests from different partner applications. One of the partner applications occasionally receives faults.
You need to identify why the service is generating faults. You must accomplish this goal without interrupting the service.
What should you do?
A. Connect remotely to the WCF service by using a debugger. Place breakpoints in the
exception handling code segment.
B. Configure the Service Tracing options in the application configuration file. Analyze the
trace results by using the SvcTraceViewer.exe program.
C. Add the following code segment to the application configuration file.
<system.diagnostics>
<switches>
<add name="WcfFaultTrace" value="Error" />
</ switches>
</system.diagnostics>
D. Run SvcTraceViewer.exe /register on the WCF server.
Question 3
You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. The service will be hosted in a Console application.
You need to configure the service by using a configuration file other than the default app.config file. Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Question 4
You create a Windows Communication Foundation service by using Microsoft .NET Framework 3.5.
You write the following code segment.
You need to ensure that concurrent calls are allowed on the service instance.
Which code segment should you insert at line 07?
A. [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Multiple, ReleaseServiceInstanceOnTransactionComplete=false)]
B. [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Reentrant, ReleaseServiceInstanceOnTransactionComplete=false)]
C. [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Reentrant, ReleaseServiceInstanceOnTransactionComplete=true)]
D. [ServiceBehavior(ConcurrencyMode=ConcurrencyMode.Multiple, ReleaseServiceInstanceOnTransactionComplete=true)]
Question 5
You are creating a Windows Communication Foundation service by using Microsoft .NET Framework 3.5. You have successfully defined a service contract named IManageOrders. You write the following code segment.
You need to create a fault contract for the MarkOrderClosed method on the IManageOrders service contract. Which code segment should you add?
A. [FaultContract(typeof(SqlException))]
B. [FaultContract(typeof(DataFault))]
C. [FaultContract(typeof(Exception))]
D. [FaultContract(typeof(FaultException))]
Solutions:
| Question 1 Answer: C | Question 2 Answer: B | Question 3 Answer: D | Question 4 Answer: A | Question 5 Answer: B |
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