LPI 201-400 - LPIC-2 Exam 201 Exam

Question #6 (Topic: Topic 1)
In the following output from top, which processes contribute to the percentage of time that
the CPU spends in the state of wa?
Tasks: 193 total, 1 running, 190 sleeping, 2 stopped, 0 zombie
Cpu(s): 0.5%us, 0.3%sy, 0.0%ni, 98.2%id, 1.0%wa, 0.0%hi, 0.0%si, 0.0%st
A. Processes waiting for user interaction. B. Processes that were already closed and are waiting to be launched again. C. Processes that have not been scheduled yet because they haven't been fully loaded into RAM or are in swap. D. Processes waiting for IO operations to complete.
Answer: D
Question #7 (Topic: Topic 1)
Which of the following is a side effect of extensive usage of swap space?
A. The root filesystem may become full because swap space is always located on the system root partition. B. The overall system performance may degrade because of heavy hard disk use and memory reorganization. C. Since processes always exist completely in either RAM or swap, regular RAM may become unused if the kernel does not move processes back from the swap space to memory. D. The memory may become fragmented and slow down the access to memory pages. However, this can be kept to a minimum by the regular use of memfrag -d. E. Applications need to restart because their virtual memory addresses change to reflect memory relocation to the swap address area.
Answer: B
Question #8 (Topic: Topic 1)
What mechanism does collectd use to gather monitoring information on systems?
A. It uses a library of plugins. B. A master server connects to a collectd service on each machine to retrieve the information. C. It collects its own information on each server and sends that to a master server. D. It makes SNMP queries to the clients being monitored.
Answer: A
Question #9 (Topic: Topic 1)
When planning a web server which of the following choices will impact system sizing?
(Choose THREE correct answers.)
A. How many concurrent users are expected. B. Which hardware vendor has better Linux support. C. What type of content will be served. D. What scripting languages will the web server support. E. Will the OS install be CD, DVD or network based.
Answer: A,C,D
Question #10 (Topic: Topic 1)
What option in the collectd configuration file is required in order to define what to start
monitoring?
A. LoadModule B. Module C. Plugin D. LoadPlugin
Answer: D
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