A network administrator notices that some newly installed Ethernet cabling is carrying corrupt and distorted data signals. The new cabling was installed in the ceiling close to fluorescent lights and electrical equipment
Two factors may interfere with the copper cabling and result in signal distortion and data corruption are :
EMI
RFI
Explanation:
- EMI (electromagnetic interference) is the disruption of operation of an electronic device when it is in the vicinity of an electromagnetic field (EM field) in the radio frequency (RF) spectrum that is caused by another electronic device.
- During EMC testing, radiated emissions measurements are made using a spectrum analyzer and or an EMI receiver and a suitable measuring antenna.
- EMI (Electromagnetic Interference) is also called RFI (Radio Frequency Interference).
- Conducted RFI is unwanted high frequencies that ride on the AC wave form. Radiated RFI is emitted through the air. There are many pieces of equipment that can generate RFI, variable frequency drives included.
- The internal circuits of personal computers generate EM fields in the RF range.
Answer: dependent
Explanation:
A Cells containing formulas which refer to other cells are known as dependents.
These are cells that depend on values in the selected cell.
A dependents cell can either contain a formula or a constant value.
(Ctrl + ] ) Is used as a shortcut when selecting dependents cells in an active cell.
Another option is to make use of you (Tools > Formula Auditing > Trace Precedents).
Answer:
The correct answer is letter "A": Engage.
Explanation:
Social media has gained importance not only as an informative medium but as a means for marketing. The 4E framework states the four basic characteristics social media advertisement should fulfill. Those components are:
- Excite.<em> Provide customers attractive offers.</em>
- Educate.<em> Give consumers information about the product and the offering.</em>
- Experience.<em> Allow direct or indirect interaction with the good.</em>
- <u>Engage</u>.<em> Involve customers in activities related to the product that transcend the simple buying of the good.</em>
Answer : computer
Explanation:
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