LPI LPIC-1:Linux Administrator (101-500)
Domain 9Objective 3
109.3 Basic Network Troubleshooting LPIC-1 Practice Questions (Page 1)
Part of the Topic 109: Networking Fundamentals domain, which makes up ~11% of our current practice bank. Linux Professional Institute does not publish an official question count, but from its 90-minute exam (~35–60 total, ~4–7 in this domain), expect 1–2 from this objective — we provide 43 practice questions to prepare you well beyond it. (estimate)
43questions here
9free pages
14concepts
Questions 1–5
- 1
A server on the 192.168.1.0/24 network cannot communicate with another server at 192.168.1.50, but it can communicate with other hosts on the same subnet. You ping 192.168.1.50 and get 100% packet loss. Which command would you run to check the layer 2 mapping for the unreachable host?
Select an answer first - 2
A network administrator is troubleshooting a slow connection to a remote server. They want to see the round-trip time to the destination and check for packet loss. Which command provides this information in a single output?
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Which ip subcommand is used to display the routing table?
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Which directory contains network configuration files on Red Hat-based systems?
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A web server is listening on port 443, but external clients cannot connect. You have verified that the service is running and listening on 0.0.0.0:443. You check `iptables -L -n` and see the following rules in the INPUT chain: `DROP all -- 0.0.0.0/0 0.0.0.0/0` and `ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:443`. What is the MOST likely reason clients cannot connect?
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