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Elena L [17]
3 years ago
5

How does a hard drive work?

Computers and Technology
1 answer:
BigorU [14]3 years ago
8 0

a hard drive is a metal disk constantly spinning  while powered on.

The data is written with a  metal scratching the data onto the wheel.

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What is the maximum number of VLANs that can be configured on a switch supporting the 802.1Q protocol? Why?
KATRIN_1 [288]

Answer:

Under IEEE 802.1Q, the maximum number of VLANs on a given Ethernet network is 4,094 (4,096 values provided by the 12-bit VID field minus reserved values at each end of the range, 0 and 4,095).

Explanation: found it from google

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How many frequencies does a full-duplex qam-64 modem use?
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The answer is 2 frequencies.

A Full-Duplex QAM 64 K Modem uses two frequencies. One frequency is used for upstream and the other for downstream. A variety of common QAM forms are available and include, 16 QAM, 32 QAM, 64 QAM, and 256 QAM. For example, for domestic broadcast use, 64 and 256 QAM are used for cable modem and digital cable TV. The modulation scheme for this modem uses both amplitude and phase.

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Match the element of a presentation program to its description
lana [24]

Answer:

A) Array of buttons for<u> quick access </u>to commonly used <u>commands and tools</u>: Tool bar

That's what most people will use most of the time, to quickly perform the most common tasks.

B) <u>List of commands</u> to create, format and edit presentations: Menu Bar.

When the features listed in the tool bar aren't enough, we go to the Menu system, which lists all the features of the program.

C) <u>Provides info</u> about current slide<u> at the bottom</u> of the slide: Status Bar.

The status bar is always located at the <u>bottom of the screen</u>.

D) <u>Provides navigation</u> through the slides: Scroll bar.

Where you can scroll down and up your slides.

4 0
3 years ago
Each web site contains a(n) ____ page, which is the first document users see when they access the site.
katrin2010 [14]
Home is the answer. Hope this helps. :)
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What OC level is primarily used as a regional isp backbone, and occasionally by very large hospitals, universities, or other maj
Neporo4naja [7]

The OC level is primarily used as a regional ISP backbone, and occasionally by very large hospitals, universities, or other major enterprises is <u>OC-48.</u>

<u></u>

<h3>What is the greatest amount of throughput provided by an OC 12?</h3>

OC-12 is a network line with communication speeds of up to 622.08 Mbit/s (payload: 601.344 Mbit/s; overhead: 20.736 Mbit/s). OC-12 lines are generally used by ISPs as wide area network (WAN) connections.

<h3>When using frame relay What is the appellation of the identifier?</h3>

A data-link connection identifier (DLCI) determines the Frame Relay PVC. Frames are routed through one or more virtual circuits determined by DLCIs.

Each DLCI has a permanently configured switching path to a particular destination

To learn more about OC level , refer

brainly.com/question/25899244

#SPJ4

<u></u>

5 0
2 years ago
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