FITSO Interview Questions and Answers

IMS architecture is a client-server model with multiple interfaces and protocols for communication.

• IMS architecture consists of multiple components such as IMS clients, IMS servers, and IMS proxies.

• The interfaces used in IMS architecture include ISC (IMS Service Control), Cx (IMS Subscription), Dx (IMS Service Data), and Sh (IMS User Profile).

• The protocols used in IMS architecture include SIP (Session Initiation Protocol), Diameter, and HTTP.

• IMS architecture enables the deliv...read more

I have learnt to adapt my strategy based on project requirements and team dynamics.

• I prioritize tasks based on their impact on project goals

• I communicate effectively with team members to ensure everyone is on the same page

• I am flexible and open to feedback, making adjustments as needed

• I have learned to balance short-term goals with long-term objectives

• For example, on a recent project, I had to adjust my strategy when a key team member left unexpectedly. I reassigned tasks and...read more

Test cases should be written in a structured and organized manner to ensure comprehensive testing.

• Identify the objective of the test case

• Define the input and expected output

• Include preconditions and post-conditions

• Ensure test cases cover all possible scenarios

• Use clear and concise language

• Include relevant screenshots or attachments

• Review and validate test cases before execution

Software test life cycle involves planning, designing, executing, and reporting of tests to ensure software quality.

• The cycle starts with test planning, where test objectives and strategies are defined.

• Next, test design involves creating test cases and test scenarios.

• Test execution involves running the tests and recording the results.

• Finally, test reporting involves analyzing the results and reporting any defects found.

• The cycle may repeat until the software meets the desired...read more

Failure codes for SIP are used to indicate the reason for a call failure.

• SIP response codes range from 100 to 699

• 1xx codes indicate provisional responses

• 2xx codes indicate successful responses

• 3xx codes indicate redirection

• 4xx codes indicate client errors

• 5xx codes indicate server errors

• 6xx codes indicate global failures

Conference scenarios refer to different situations that can occur during a conference.

• A speaker not showing up

• Technical difficulties with audio/visual equipment

• A participant disrupting the conference

• A successful networking session

• A keynote speech that inspires attendees