Free XK0-004 Questions for CompTIA Linux+ Certification XK0-004 Exam as PDF & Practice Test Engine
A Linux administrator is optimizing a system in which an application needs to change the priority to one for the running process: 9014. Which of the following commands will achieve this task?
Correct Answer: C
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A newly installed desktop is unable to connect to networked resources. The systems administrator executes various commands and reviews the following output snippets:
Which of the following should the systems administrator try NEXT to restore connectivity?
Which of the following should the systems administrator try NEXT to restore connectivity?
Correct Answer: E
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A systems administrator is receiving errors while trying to install a popular virtualization software. The software specifications state the processor needs to support virtualization with Intel instructions. Additional requirements state the processor must accelerate encryption/decryption and use hyperthreading. Given the following output about the processor:
fpu ume depse tsu msr pae mce cx8 apic sep mtrr pae mca cmov pat pse36 cflusm mmx fxsr sse sse2 ht syscall nx rdtscp lm constant_tsc rep_good nopl xtopology nonstop_tsc pni pclmulqdq ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt aes xsave avx rdrand hypervisor lahf_lm fsgsbase Which of the following is the MOST likely reason for the errors?
fpu ume depse tsu msr pae mce cx8 apic sep mtrr pae mca cmov pat pse36 cflusm mmx fxsr sse sse2 ht syscall nx rdtscp lm constant_tsc rep_good nopl xtopology nonstop_tsc pni pclmulqdq ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt aes xsave avx rdrand hypervisor lahf_lm fsgsbase Which of the following is the MOST likely reason for the errors?
Correct Answer: C
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Which of the following techniques would BEST allow a client computer to connect to a server that is not normally accessible because the server's application port is blocked by a firewall?
Correct Answer: D
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A server administrator notices that one of the servers cannot connect to its gateway, which has the IP
10.10.10.1.
Which of the following commands should the administrator execute to determine the default gateway of the server?
10.10.10.1.
Which of the following commands should the administrator execute to determine the default gateway of the server?
Correct Answer: B
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A systems administrator suspects a process with a PID of 2864 is consuming resources at an alarming rate.
The administrator uses the command renice -n -5 -p2864, but it does not solve the issue. Which of the following commands should the administrator execute to correct the issue?
The administrator uses the command renice -n -5 -p2864, but it does not solve the issue. Which of the following commands should the administrator execute to correct the issue?
Correct Answer: C
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An end user is trying to execute a file within a different directory The end user executes the following command:
Which of the following commands should the Linux administrator use to run the shell scnpt within that folder?
Which of the following commands should the Linux administrator use to run the shell scnpt within that folder?
Correct Answer: A
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A Linux administrator wants to configure log messages of critical or higher severity levels from the cron utility to be logged to the console. Which of the following will accomplish this objective?
Correct Answer: D
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When requesting SSH access to a remote system, a user accidentally emailed the id_rsa key to the administrator. Which of the following should the user do NEXT?
Correct Answer: A
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