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Technical Interview Questions

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Technical Interview Questions

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Hard drive and ram difference Email protocols Pop and imap difference And many more i dont remember few.

39 Answers

Do you have any updates? I got an intent to offer a week ago and scheduled the job review for tomorrow but still waiting...

Yes i have also got the letter of intent last week ans scheduled for job preview session this friday. Let see after that.

Let me know once your session done . Would be help that what is this all about .. I think after this session we would be getting our offer.

Explain what happens when you open a web browser and type in "google.com"

6 Answers

personal, work experience, work duties, troubleshooting ,technical queries. They discussed pay rate and flexibility working hours

4 Answers

How to add a counter to www.google.com to track the billionth user.

4 Answers

Please note the process may vary for your case- 1. Initial phone interview: non technical. 2. On site group interview: Need to provide presentation in front of groups to share what you can offer the company, why do you choose this company to join, describe one of your previous project experience. You need to complete this presentation within 3 minutes. They will judge how you can communicate with the clients/team-mates by this interview step. 3. Online technical test: You will be provided an online technical test link via email which will contain several technical questions to be completed within a given time. Questions will check your basics in .NET/C#/OOP/SQL/MVC etc. 4. Technical interview: I cannot tell the details of this test as I haven't faced this step.

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The interview was with two managers from the relevant business team in Finance and Strategy. The “relevant business team” is the team you nominate to Telstra’s recruiters as your preferred business team. The interview was structured in three parts: 1. a 5 minute presentation on a finance-related case study; 2. behavioural interview; and 3. some time for questions for the interviewers. The case study presentation is relatively straight forward if you have prepared, but be ready to answer the interviewers’ questions about the content of the presentation. The interviewers asked standard questions during the behavioural interview such as: “1. Why have you applied to Telstra and why would you be a good fit for a role in the Finance and Strategy team? 2. Describe a time when you had to work in a team. What role did you play? What were some of the challenges you faced and what was the outcome? 3. Describe a time when you demonstrated leadership. What difficulties did you face and how did you overcome them?” Prior to the interview we were advised by Telstra’s recruitment team to answer the behavioural questions using the “CARE” method: 1. “Context” where you give a brief outline of the situation and the challenges you faced; 2. “Actions” where you talk through the key steps you took to resolve / manage the situation; 3. “Results” where you summarise the outcome of your actions; and 4. “Evidence” where you provide examples to support / back up the results you just described. It's a good idea to have prepared some questions for the interviewers about Telstra, the role, the relevant business unit, career paths etc. because there will probably be some time left at the end for these questions.

3 Answers

Technical interview questions: Part 1: Write a program that sorts the following shapes: triangle, square, circle. Part 2: Extend your solution so that it supports subtypes of shapes such as right-angled triangles, ovals etc. Was asked how I'd test the program, and if I felt it was an optimal solution. Follow up questions for technical interview: Which language do you use? Why? How do you keep up to date with technology?

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Phone Interview: 1. What is a beacon frame? It is a management frame sent out by an AP that is used to keep the devices on a wireless network associated with it, in sync. This is essential for CSMA/CA 2. What is the difference between 2.4 GHz and 5 Ghz frequencies on a wireless network? Higher Frequencies have more attenuation through Free space. 2.4 GHz can travel further. 5 GHz is a less crowded frequency band. Therefore less prone to interference 3. What are the non-overlapping channels in the 2.4 GHz frequency band? Channels 1, 6 and 11 4. How do packets travel across a network? ( Explain using an ICMP example, use all the protocols. that are involved. DHCP, ARP etc. Keep in mind the OSI model) 5. What is the difference between STP and RSTP? Technical Interview: 1. If you were to take an RF Wireless survey, would you do it when there were people in the room or when the room was empty? Always when people are in the room, humans are 60-70% water and that means more attenuation. This will be an efficient survey, only if people are in the room. 2. What happens when you type www.google.com into your computer? 3. What does the 's' in https signify? SSL communication between host and server 4.(Scenario Based) A host is trying to connect to a computer across a VPN tunnel but unfortunately it cannot access the resource. What could be the problem,assuming that the VPN tunnel is setup correctly? The correct answer is the hosts file on the computer has an incorrect mapping of the name to ip. You will know this when you ping the name of host and it resolves to a different ip. 5. (Scenario Based) A firewall in a corporate environment was one day replaced with a Meraki firewall. Now clients are no longer able to access the web server, The configuration on the different firewalls are identical. What could be the problem? The ARP cache on the modem still points to an old mapping of the Firewall. The MAC address had now changed, Therefore in order to rectify the problem, power off and power on the modem. 6. What is gratuitous ARP? 7. What are the different modes with IPSec? What is IKE Phase 1 and IKE Phase 2? main mode and quick mode 8. (Scenario-Based ), three switches are connected together in a triangle design, A, B and C, Who becomes the Root bridge? What is the default priority on Cisco switches? Can a switch have a priority of 0? When the speed of the links are changed, does the root port also change? 9. What is the difference between PVST and PVST+? 10. Name one channel in a 5 GHz band? 11. Explain to me how DNS works? Cultural interview: 1. (Scenario-based) There is a set of core and distribution switches, there are three VLANs spanned across all switches, RSTP is functioning correctly, a user connected to VLAN 2 cannot access the internet, what could be the problem? Ans: you must deduce that if everything is configured correctly and there are no physical issues with the network, the correct answer is that there is a rogue DHCP server in VLAN 2. You need to shutdown the port connected to the rogue DHCP server. First, find out the MAC address of the rogue DHCP server from the arp cache of the host computer. arp -a. Secondly, from the CAM address table of the switch, see which port is associated with the MAC address. Thirdly, block the port.Fourthly, ipconfig /release and ipconfig /renew on the host computer to get a legitimate IP address from the real DHCP server in VLAN 2. Alternative solution would be to enable DHCP Snooping. 2. if the logs on a linux apache server are suddenly not being written to ? what could be the problem? a. permissions issue b. disk space requirements c. is apache service running? d. has the location of the log file been changed on the apache configuration file? e. Check the logrotate feature.

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What is DHCP, BGP, ARP, VPN, IPSEC and DNS. Describe what happen in browser when you hit www.amazon.com, describe what happen when you run trace. differences between UDP and TCP, .

2 Answers

* Some Technical Questions to gauge my capabilities in PHP and Ruby * Some questions to dig into how I like to work, my hobbies, values etc

2 Answers
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