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Linux Foundation Certified System Administrator
LFCS Exam

What is the difference between the commands test -e path and test -f path?

  1. They are equivalent options with the same behaviour.
  2. The -f option tests for a regular file. The -e option tests for an empty file.
  3. Both options check the existence of the path. The -f option also confirms that it is a regular file.
  4. The -f option tests for a regular file. The -e option tests for an executable file.

Answer(s): C



Which of the following commands moves and resumes in the background the last stopped shell job?

  1. run
  2. bg
  3. fg
  4. back

Answer(s): B



What is the effect of the egrep command when the -v option is used?

  1. It enables color to highlight matching parts.
  2. It only outputs non-matching lines.
  3. It shows the command's version information.
  4. It changes theoutput order showing the last matching line first.

Answer(s): B



When running the command
sed -e "s/a/b/" /tmp/file >/tmp/file
While /tmp/file contains data, why is /tmp/file empty afterwards?

  1. The file order is incorrect. The destination file must be mentioned before the command to ensure redirection.
  2. The command sed did not match anything in that file therefore the output is empty.
  3. When the shell establishes the redirection it overwrites the target file before the redirected command starts and opens it for reading.
  4. Redirection for shell commands do not work using the > character. It only works using the | character instead.

Answer(s): C




dnllin
366 Ans Hypervisor-level software patching is wrong, should be B - Customers are responsible for managing their data (including encryption options) Why there are so many wrong answers?
- UNITED STATES
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dnllin
Q342: Which AWS service or feature for technical assistance is available to a user who has the AWS Basic Support plan? - Ans AWS senior support engineers is wrong. Should be D. Basic Support offers support for account and billing questions and service quota increases. The other plans offer a number of technical support cases with pay-by-the-month pricing and no long-term contracts.
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Dnllin
Which AWS services or features enable users to connect on-premises networks to a VPC? (Choose two.) Answer(s): A,D. D (VPC peering) is wrong. C is correct - AWS Direct Connect. Using AWS Direct Connect, you can establish private connectivity between AWS and your datacenter, office,
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Lin Tzu
QUESTION: 154 - answer (D) - Transit gateway is wrong, should be C & E. Below are the components of the site to site VPN: Customer Gateway: A customer gateway is a physical device or software application on your side of the Site-to-Site VPN connection. Virtual Private Gateway: A virtual private gateway is the VPN concentrator on the AWS side of the Site-to-Site VPN connection. You create a virtual private gateway and attach it to the VPC from which you want to create the Site-to-Site VPN connection.
- Anonymous
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saritha
I have passed the exam thankyou
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Tzu Lin
What are the benefits of consolidated billing for AWS Cloud services? (Choose two.) Answer(s): C,E C) One bill for multiple accounts E) Custom cost and usage budget creation E seems incorrect, should be A = Volume discounts (Combined usage – You can combine the usage across all accounts in the organization to share the volume pricing discounts)
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Niraj
Questions are valid. I just passed.
- India
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Sarah
Fantastic effort on the practice exam!
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Marcus
Impressive work on this exam dumps. Love the free version.
- CANADA
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Emily
Great job on these practice exam questions! You guys are the best.
- CANADA
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