Operations engineer Interview Questions

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Mobinil
IN Operations Engineer was asked...10 January 2014

Can you work with a team member who you dislike?

4 Answers

This a talent to work with someone u dislike and require some qualifications and if succeeded will difinetly add a new value Less

Yes , We have to make difference between the people who we dislike and the job and we should be a team work . Less

I answered yes, and that's it. I'm not gonna marry him and I don't have to like all of those who work with me. Less

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Google

How would you modify a file as another user besides using su/sudo?

4 Answers

runuser -l userNameHere -c 'command'

Dont you have to be logged in as root to run the runuser command? That would mean you would have to su to root from your user account. Less

su - user -c 'command'

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Google

How do you assist a user having trouble getting on the internet?

4 Answers

I may use ICMP protocol to troubleshoot error

This was one of the questions asked in my interview. You need to scope the situation and check if he is using Static IP or DHCP. If DHCP, do you have a valid lease. Try checking if DNS name resolution is working. My interview took it towards DNS. Pretty simple question. Less

How are you supposed to get to joinme.com if the user can not get on the internet? Less

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Shell

What are your strengths and weaknesses?

3 Answers

Hire felony

One of my greatest strength is my work ethic. When I'm committed to a deadline I do whatever it takes to deliver. While my greatest weakness is that sometimes I will be too honest to my coworkers and my team members when I provide feedback from work. I'm naturally very straightforward, but I have learned that there are times on the job when more diplomacy is required. Less

Maintenance manager

PNI Digital Media

write a c# method to bring pairs of integers that sum up to 10 from an array of integers.

3 Answers

using System; using System.Collections.Generic; namespace pairsSum { class Program { public static Dictionary myPairs(int [] myArr, int sumUp){ Dictionary returnPair = new Dictionary (); int len = myArr.Length; Console.WriteLine("Array Size -> "+len); for (int i=0;i myDictionary = myPairs(myArray,10); foreach (var item in myDictionary) { Console.WriteLine("key {0} and value {0}",item.Key,item.Value); } } } } Less

They said the solution should have to sorted the integer array, put two pointers at the end and front compare the sum of a and b, if it was more than 10 then bring the last pointer forward until end of array ... They best solution was (On), and I gave them( lgn)... The other solution was to build a dictionary with pairs and each time adding new element check to see if it already exited ... #include #include #include static std::map findPairsOfSum(int array[], int sum){ std::map myPair; int len = sizeof(array); if (array == NULL) return myPair; for (int i=0; i pairs; int myArray[] = {0,10,3,7,3,5,7,3}; pairs = findPairsOfSum(myArray,10); // printing map std::map :: iterator it; for (it = pairs.begin(); it != pairs.end(); ++it){ std::coutfirstsecond myPairs(int [] myArr, int sumUp){ Dictionary returnPair = new Dictionary (); int len = myArr.Length; Console.WriteLine("Array Size -> "+len); for (int i=0;i myDictionary = myPairs(myArray,10); foreach (var item in myDictionary) { Console.WriteLine("key {0} and value {0}",item.Key,item.Value); } } } } Less

#include #include #include static std::map findPairsOfSum(int array[], int sum){ std::map myPair; int len = sizeof(array); if (array == NULL) return myPair; for (int i=0; i pairs; int myArray[] = {0,10,3,7,3,5,7,3}; pairs = findPairsOfSum(myArray,10); // printing map std::map :: iterator it; for (it = pairs.begin(); it != pairs.end(); ++it){ std::coutfirstsecond <<'\n'; } return 0; } Less

NTT Global Data Centers Americas

I was asked about FSMO roles and wanted me to explain RAID configurations. Asked me to explain how long a security change would take to replicate across a domain. Also asked me to explain how DHCP functions. Define "Netstat".

3 Answers

Sounds like you didn't do that great. Just take it and do better on the next interview. Less

I was a bit rattled and could not think clearly and did not expect to be grilled from a recruiter within the first 2 minutes of the conversation, so I blew it about giving him the information which I knew but mostly dribbled a response. Less

It happens to virtually everyone. Just take a deep breath. If possible, write down the question and answers. Then explain it from the top of your head using the answers as reference. FSMO Roles: Infrastructure master, RID master, PDC Emulator master. RAID(0,1,5,10). 0 is mirroring, requires minimum of 2 disks; 1-striping(2 disk), 5-striping with parity bit(3 disk minimum). 10-Mirroring with striping(I think this is 3 not sure though). Configuring RAID is easy using dynamic volume in disk management on windows OS; or using mdadm in Linux OS. Security change replicated throughout domain depends on how fast the link is( with 10GE Ethernet, it is incredibly fast). DHCP allows dynamic assignment of IP addresses to computers in an Enterprise. Remember DORA when explaining DHCP. Less

Micron Technology

Discuss how you would approach a brand new problem that you haven't handled in the past from the start?

3 Answers

I will face it with my knowledge....

first I will try to understand the backgound information of the problem, essentially why we need to solve this problem and futher understand what is critical for answering this problem Less

This is an interesting read: bit.ly/faang100

Wärtsilä

What is turbocharging

2 Answers

Supplying charge air at a higher density than the atmospheric pressure to the engine Less

Its compress air for intec valve and air prihiting

Index Exchange

Given 2 SQL tables: users with (name,userid), blacklist with (userid), create a sql query that will only allow non-blacklisted users to login.

2 Answers

Try to avoid language specific syntax; they use MySQL, so that would be a good place to start. Less

using a left join and where blacklist.user is null

Index Exchange

A textbox on a webpage takes an integer order for water bottles from a customer. Minimum order of 5, over 100 water bottles and you get a discount. What unit tests would you perform to ensure the validity of this textbox?

2 Answers

3 tests immediately: 1) Check if it only accepts integers 2) Check if it only accepts integers > 5 3) Check if integer above 100 is entered, discount appears Less

Very open ended question, I think they're mostly interested to see your approach. You're not told/constrained to anything else other than this, so be very specific about the tests you'd perform. Less

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