Unix Admin: Difference between revisions

Unix Admin (view source)

825 bytes removed , 8 March 2006

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 * What is IRQ balancing, how would you do it?  What does 64-bit computing really mean?
-===Network administration:===
-* Can you explain how to work out how many addresses are usable in a standard subnet?
-* If you had to write some code to see if an IP address was in a particular subnet, how would you do it?
-* What is a VLAN? How do they work?
-* Can you explain some differences between, and give examples of when you would use HSRP, VRRP and BGP for resilience?
-* Give an example of when you might use, or have used, tcpdump/ethtool/sniffer ?
-* Updating ACLs safely, how would you go about it?
-* Can you describe the three-way handshake, roughly?
-* What's a link-state protocol?
-* Do you know what an administrative distance is? Any examples?
-* PKI: Can you describe, roughly how Public Key Cyrpto works? If a protocol is encrypted, how can it be proxied?