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Tutor profile: Brian P.

Inactive
Brian P.
IT Instructor: A+, Net+, Sec+, CCNA, MCSA
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Questions

Subject: Information Technology

TutorMe
Question:

A technician is not able to boot to Windows OS. A “no boot device found” message appears on the screen when the computer restarts. What is the MOST likely cause of the error message?

Inactive
Brian P.
Answer:

A bootable HDD is not recognized in the BIOS.

Subject: Computer Networking

TutorMe
Question:

What is the maximum number of valid hosts one will have from the network 192.168.45.0/27 ?

Inactive
Brian P.
Answer:

30

Subject: Computer Certification and Training

TutorMe
Question:

By definition, which security concept uses the ability to prove that a sender sent an encrypted message?

Inactive
Brian P.
Answer:

Non-Repudiation.

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