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Linux Administration
Server Hardware
Networking
Fiber & Cabling
Power & Cooling
Ops & Processes
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Behavioral
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Tell me about a time you had to lead under pressure.
Overdue
easy
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What's the difference between single-mode and multi-mode fiber?
Overdue
easy
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#
What does BMC stand for and what is its role?
Overdue
easy
▼
#
What's the difference between ECC and non-ECC memory?
Overdue
intermediate
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>
What command shows disk usage by directory?
Overdue
easy
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>
How do you check which process is using a specific port?
Overdue
easy
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>
Explain the difference between hard and soft links in Linux.
Overdue
intermediate
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>
A server's root partition is at 95% — how do you triage?
Overdue
scenario
▼
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What is the purpose of ARP?
Overdue
easy
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~
Explain BGP and why it matters for datacenter networking.
Overdue
intermediate
▼
!
What are the 5 stages of ITIL incident management?
Overdue
easy
▼
^
What is PUE and what's a good target?
Overdue
easy
▼
*
What scale of GPU infrastructure are hyperscalers managing?
Overdue
easy
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