Refraction represents a change in the direction of propagation when beams of light encounter a medium with a different density.
Reflection is the return of light to the medium it came from when it encounters a mirror.
A device, usually external to a computer that is plugged into a computer's communication port or is connected wirelessly. Common peripherals are keyboards, mice, monitors, speakers, and printers
<span>If a attachment is not reliable to open, terrible effects can happen, peradventure it may have a virus or even malware that can destroy a computers software.
To avoid this and stay on the safe side, try the following:-
- Open it in protected view
- Do not save the attachment on your computer
- Look at the author and read the message carefully to make sure it is not biased.
- Open it on a flash-drive </span>
All parts of a statement must be true for it to be true
Answer:
The question is incomplete.The full question with options is rewritten below:
"While investigating an email issue, a support technician discovers no users can access their email accounts on the company’s email server connected to the private LAN. Pinging the email server from several workstations on the LAN results in 0% packet loss.
Which of the following is the next step the technician should take in troubleshooting this issue?
A. Contact the ISP, inform the provider of the issue, and ask the provider to check the server.
B. Verify the server has a valid assigned IP address on the LAN subnet.
C. Escalate the problem to a server administrator to check for issues with the server.
D. Check the workstations on the LAN for APIPA configuration."
The answer is option (C): <em>Escalate the problem to a server administrator to check for issues with the server</em>
Explanation:
Being a Support Technician, you may not be able to determine the main issue with the mail server but may need to escalate further to the next category of individual that will confirm the issue with the mail server, in this case the server administrator as he may have higher access into the server at the back end or may directly liaise with the Private ISP.
