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L2 L3 Protocol Testing Interview Questions PDF: Master the Concepts and Skills of Protocol Testing



Protocol Testing is a method of checking communication protocols in the domains of Switching, Wireless, VoIP, Routing, etc. The primary goal of protocol testing is to check the structure of packets which are sent over a network using protocol testing tools. Routers and switches are used during the test to form parts of devices and products under testing.




L2 L3 Protocol Testing Interview Questions PDF



Based on the type of communication different protocols are used. Companies like CISCO, JUNIPER, ALCATEL produce networking devices like routers, modems, wireless access points, etc. that use different protocols for communication, for example, Cisco uses EIGRP, OSPF, etc. Protocol testing is nothing but checking whether EIGRP (Enhanced Interior Gateway Routing Protocol) or OSPF (Open Shortest Path First) or any other protocol is working as per respective standard.


Tools used for protocol testing- Wireshark. It allows to capture packets in real time and display them in human-readable form. It allows you to dig deep into the network traffic and inspect individual packets by using color coding and filters.


TCCN is a standard testing language for defining Test Scenario and their implementation for protocol testing. A TCCN test suite contains many test cases written in the TTCN programming language and it is used for testing reactive systems or behavioral testing.


ICMP is the Internet Control Message Protocol. It is a network layer protocol used for error handling. It is mainly used by network devices like routers for diagnosing the network connection issues and crucial for error reporting and testing if the data is reaching the preferred destination in time. It uses port 7 by default.


Protocol testing is a method of validating communication protocols infields like switching, wireless, VoIP, routing, and so on. The basic objective of protocol testing is to use protocol testing tools to examine the structure of packets delivered over a network. During the test, routers and switches are employed to create portions of the equipment and goods being tested.


Different protocols are employed depending on the nature of communication. Companies such as CISCO, JUNIPER, and ALCATEL manufacture networking equipment such as routers, modems, wireless access points, and so on that utilize various protocols for communication. For example, Cisco uses EIGRP, OSPF, and so on.Protocol testing consists of determining if EIGRP (Enhanced Interior Gateway Routing Protocol) or OSPF (Open Shortest Path First) or any other protocol is operating in accordance with its relevant standards.


A protocol analyzer provides correct decoding as well as call and sessionanalysis. While the simulator replicates various networking element entities Usually, protocol testing is carried out by connecting the DUT (device under test) to other devices like switches and routers and setting the protocol in it.


Wireshark is a protocol testing tool. It allows you to collect real-timepackets and show them in a human-readable format. It enables you to delve deep into network traffic and analyze individual packets by utilizing color coding and filters.


TCCN is a standard testing language for designing and implementing Test Scenarios for protocol testing. A TCCN test suite is a collection of test cases developed in the TTCN programming language for reactive systems or behavioral testing.


Spanning tree protocol election takes place by exchanging spanning tree BPDU packets. The switch which has the lowest priority value would be elected as the root bridge. For testing, connect 3 switches. Configure one of the switches with priority value lesser than the other switches. Wait for some time and check using appropriate commands on the configured switch to verify if it has been elected as the root bridge.


All questions for different interview are important &, good. I need more Valuables questions for preparation to attend the various interview.Overall All questions are good. Technical support associate questions are very well.


But in order to get your AWS career started, you need to set up some AWS interviews and ace them. In the spirit of doing that, here are some AWS interview questions and answers that will help you with the interview process. There are a number of different AWS-related questions covered in this article, ranging from basic to advanced, and scenario-based questions as well.


In this article, we will examine the top thirty questions that can be asked of an experienced cryptographer, ranging from what it is all about to its commercial applications. These types of questions can be broken into down into Level 1, Level 2 and Level 3 questions. These questions can also be used in an interview situation when a business or a corporation wishes to hire a cryptographer, either on a full-time or contract basis.


Behavioral interview questions focus on past behavior as an indication of future job success, while situational interview questions ask how you would handle any number of hypothetical situations. With these questions, you can also pull from past experiences to answer how you would handle the hypothetical situation today or in the future.


From there, you can break behavioral and situational interview questions down further into competencies, such as leadership and communication. Using the STAR method during an interview is an excellent approach to answering these types of questions.


These Software QA Interview Questions and Answers were prepared with our real-time experience. These QA Job Interview questions are for beginners, intermediate and advanced level. Before going ahead, I would like to mention few unavoidable software testing interview questions such as What Are The Reasons For Choosing Software Testing As Your Career and Explain Your Selenium Test Automation Framework.


The key components of a test case template are Project name, Module name, Created by, Date of creation, reviewed by, date of review, executed by, Date of execution, test scenario, tase case id, test case description, Precondition, Test steps, Test data, expected result, post condition, actual result, status of the bug.Check the below video on how to write effective test cases.15. How do you decide when you have tested enough?This is one of the most important questions in terms of ISTQB. Option will be tricky and you have to choose the right one.As a project manager or project lead, sometimes you might face a situation to call off the testing to release the product early. In those cases, you have to decide whether the testers have tested the product enough or not.There are many factors involved in the real time projects to decide when to stop testing.if we reach Testing deadlines or release deadlinesBy reaching the decided pass percentage of test casesif the risk in the project is under the acceptable limitif All the high priority bugs and blockers are fixedif we met the acceptance criteriaAs per ISTQB, It depends on the risks for the system being tested.


Interviews always create some tensed situation and to make you feel easy about them you have provided some nice and important programming interview questions which will be very useful for people who are preparing for interviews. Going to save this for sure.


Hello,Thank you for this interview questions ..This will be very helpful..You cover each and every thing very clearly..Please provide interview question for AWS..I used to follow you blog since long time.looking forward for some more blogs from you..Thank you once again


If you're planning to attend a .NET Interview, you may also be prepared for ASP.NET MVC interview questions. MVC is the framework used to build Web applications for .NET and C#. In this article, I list the top 50 MVC questions and their answers. The answers are code examples written by authors of C# Corner.


The protocol testing is a cumulative term used by the communication industries or organizations for the testing of different protocols in the domains of VoIP, Wireless, Switching, and Routing, etc. In the protocol testing, we tests the structure of packets which are sent over a network using protocol testing tools. During the test, routers and switches are involved which form the parts of devices or products under test. Routers we can imagine as a bus which is used for the transportation and the routing protocols as the traffic signals on the road.


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  • TTCN: It is awell-knowntesting language that defines test scenario for the implementation of the protocol testing. A TCCN test suite contains the test cases which are written in the TTCN programming language for the behavioral testing of the routing devices

  • Wireshark: It is one of the powerful testing tool which is used for the protocol testing. It permits to capture real time packets and display them in the human readable formats. It permits us to dive deep into the network traffic in order to inspect individual packets by implementing color coding and filters.Download Wireshark



In this article, we discussed about the protocol testing. We covered protocol testing procedures, sample test cases and the testing tools used to conduct protocol testing. This is unique type of testing, share your experience which help our QA friends to understand more insight of protocol testing.


This is one of the tricky Intune Interview questions (again). You need to be careful how you answer these types of questions. The interviewer might want to know your analytical skill or problem-solving skills. My answer would be as follows:


If your answer to these questions is "Yes". Then, you are at the right place. We have a list of the top most asked Cisco Nexus interview questions and answers that are the interviewer's favourite. These questions are selected by some of the geniuses in the networking field in collaboration with recruiters to help all network engineers. Go through these Cisco Nexus interview questions and answers for better interview preparation. 2ff7e9595c


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