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senior system administrator Interview Questions

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Google
Senior Systems Administrator was asked...July 29, 2010

Which one is the bit of the Sticky Bit?

4 Answers

The octal value is 1. i.e. chmod 1644. The "1" is for sticky

2 is for sticky bit 2644 for files; 2755 for directory.

I answered 10.. the recruiter said... are you sure? yes... it was the 1st... remember the permissions are a 12 bit structure divided into 4 sections of three bits. Less

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How long have you been working with Linux and windows platform

3 Answers

approximately 8 years

For the past two years

2 years

Google

How to see the inodes of a file?

3 Answers

ls -i will show you the parent inode in the furthest left column of the output of a file or directory. Less

Stat e.g "stat file.txt" shows the inode of file.txt

No idea... Now I know you can use ls -i or stat

D.R. Horton

How would you resolve an IP address to a computer name from a cmd prompt (seriously)?

3 Answers

nslookup

Nbstat-a or nslookup (Derp)

Not in my job description

NewYork-Presbyterian Hospital

name 5 steps you take to troubleshoot network?

3 Answers

To troubleshoot a network, OSI reference model should be utilised. First step is to verify the physical layer is well established. Cables, NIC, lights on switches/routers can pinpoint if the physical layer is working fine. Second step is data link layer; issues such as port security error disabled , STP loops can affect the whole network from layer 2 standpoint. Third step is to troubleshoot the network; this can be verified by using ping, traceroute(or tracert in Windows), route print, Cisco troubleshoot steps,in network layer, is much more complex but if asked to expatriate, explain how you can troubleshoot various layer 3 routing protocols and routing table. Layer 4 has to do with open ports, netstat with appropriate switches can reveal these. Layer 7 is the final step(omit the session and presentation has it has little or no effect except when troubleshooting VPN). Layer 7 has to do with firewall or the service (ssh, telnet, DNS, ftp, etc) itself. If application is blocked by firewall, it may not be reached. DNS cache issues can be troubleshot by issuing ipconfig /flushdns on the client workstation. Host records, srv records, and name records on DNS servers are other notable parts that can be explained. Less

Spelling mistake: Expatiate replaces expatriate.

Answer following IT standards no good for them, because they have their home made troubleshooting techniques. Less

Live Nation Entertainment

is ping tcp or udp type traffic

3 Answers

neither

Neither, it is a ICMP message

IP traffic

Schuff Steel

What are the Active Directory FSMO roles?

2 Answers

schema master domain naming master RID master PDC emulator Infrastructure master Less

NO response.

ClearStructure Financial Technology

"If an employee of the company is downloading and installing software not allowed by company policy to their laptop how do you handle this situation?" Keep in mind, that in this hypothetical the manager has given no previous guidance on how to deal with this situation. You do not know if your response is what the manager would want or doesn't want. Things like this are handled differently at different companies and you have not been informed of any process to handle it.

2 Answers

"If VPN is down between as site in the Americas and a site in the UK how will you address that problem?" In this hypothetical they do not tell you anything about the network infrastructure of the company or what brand equipment they use. You just have to assume that your answer is technically accurate based on general knowledge of VPN. Less

It's basically a scenario based question which are often asked in IT interviews. The company probably wasn't looking for an answer per say, but was trying to gauge the candidate's thought process on how he or she would tackle the problem. Candidates typically ask for additional clarification when presented such questions. Companies want to see this type of engagement from candidates as it reveals a lot about their troubleshooting skills. Less

Springbrook Software

Mostly asked about previous experience at past jobs. Not many technical questions.

2 Answers

Consider that you may have received one side of the story :).

Explained previous experiences, projects and challenges.

Rotor Studios

Why was I leaving my current company? (a large organisation)

2 Answers

I wanted to go back to a small business as it's more intimate and less red tape.

I was not looking farward to grow of my future of life

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