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Systems administrator ii Interview Questions


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When does DNS use TCP instead of UDP

4 Answers

DNS use TCP for zone transfer.

Agreed....used for zone transfer....

Maximum UDP packet size is 512 bytes (or 4096, with the extension of DNS protocol). When the request is larger then a max. UDP size, DNS will switch to TCP.

User has lost root password, how do you reset?

10 Answers

A customer calls in saying that they're having problems sending email. They're using IIS SMTP and a web-based application to send the messages. What are 3 things which you would look for first, in the order you find most probable, in troubleshooting this issue?

2 Answers

How would you handle a computer problem that you couldn't resolve?

3 Answers

Define the difference between a hub and a switch

3 Answers

Know what the lsof command does.

2 Answers

What are the port number for smtp, ftp and http

2 Answers

Diagnose failing PHP script

1 Answer

2. How To negate rogue DHCP servers from running with a domain, what is required for your DHCP server to function?

1 Answer

Tell us about a time when you overcame a difficult situation in the workplace. Blah blah blah.

1 Answer
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