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devlian [24]
3 years ago
8

A network interface port has collision detection and carrier sensing enabled on a shared twisted-pair network. From this stateme

nt, what is known about the network interface port
Computers and Technology
2 answers:
kiruha [24]3 years ago
8 0

Answer:

This is an Ethernet port operating at half duplex.

Explanation:

  • This port can just send data in uni direction which means it cannot send and receive data packets at the same time.
  • The nodes in the network communicates with the switch and not with each other directly.
  • The network interface port has collision detection and carrier sensing enables which helps in detecting the collisions.
  • These network interface ports utilize twisted pair network cables
  • However Ethernet ports at half duplex are not being used anymore.
hram777 [196]3 years ago
7 0

Answer:

This is an Ethernet port operating at half duplex.

Explanation:

Modern Ethernet networks built with switches and full-duplex connections no longer utilize CSMA/CD. CSMA/CD is only used in obsolete shared media Ethernet (which uses repeater or hub).

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A queueing system has four crews with three members each. The number of "servers" is:
pentagon [3]

Answer:

The answer is 4.

The number of active servers is four for this four crew queuing system.

Explanation:

 Now what is a queue management system?

As from the name it has some link with queue which means it’s not something used once or twice.

It is a continuous process. In simple words, the number of processes increases and the severs get short and congested on this type of problem this management occurs.

It is always there to solve the problem of congestion the system.

Queuing management is concerned with queuing areas. Where there will a queue this system will be applied. And this queuing system is based on queuing theory.

<u>Now what means by queuing areas? </u>

It’s a place where queues happen.

<u> But what exactly is a queue? </u>

You could say it’s a line of something waiting for services or you can also say it as an application of “demands exceed the supply” problem.

Now consider queuing system where the number of active servers depends upon the the length of the queue.

As the length of the queue increases the number of active servers will increase and if the length of the queue decreases the number of active servers decreases.

On traditional scale the queuing theory, the theory on which this queuing system is based, there are fixed number of servers for each model as 10,25 or 19 servers.  

Now if we see there is a queuing system has four crews with 3 members each.

Each crew will have its own one single active server so, there will be 4 active servers in this queuing system.

6 0
3 years ago
Read 2 more answers
What is a expansion card for computer?
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Most computers have expansion slots on the motherboard that allow you to add various types of expansion cards. These are sometimes called PCI<span> (</span>peripheral component interconnect<span>) cards. You may never have to add any </span>PCI<span> cards because most motherboards have built-in video, sound, network, and other capabilities</span>
5 0
3 years ago
Jason works as an accountant in a department store. He needs to keep a daily record of all the invoices issued by the store. Whi
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Are there any options

3 0
3 years ago
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What is aperture priority mode? When might you use this mode on a camera? What is depth of field? How can you adjust the depth o
raketka [301]

Answer:

Please check explanation

Explanation:

We abbreviate aperture priority by A or Av( which is used for aperture value) on the camera mode call up, which is an adjustment on some of the cameras which leverage the user to adjust the certain value of the aperture or the f-number as meanwhile the camera adjust the speed of the shutter ensuring it matches it, and which results in a good exposure depending on the condition of the light  as being measured via the light meter. And this is not the same as the manual mode, in which the user is compelled to make the decision for both the values, the priority of the shutter, the location the user selects the shutter speed while the camera picks up the correct aperture, as well as the program state, where camera picks each of them.

So the first two questions are answered. Let's see the third, the depth of the field.  It is the distance from the nearest to the furthest objects which provides an image being selected for being at the focus in a camera.

Hence the depth of the field means the range of the sharp focus in a certain photograph. And while you shoot with the help of the larger camera like the DSLR, you will be able to adjust the depth through the adjustment of the aperture of the lens. The aperture is nothing else but the opening within the lens which manages the amount of the light that is permitted via the lens.

Now come to the fifth question. The shutter speed and the aperture are being related directly. It improves the aperture (by a stop). And each of them comes up with the very best exposure through the permitted weight of light.

And both of them are related to each other in an inverse proportion. And both of them must be balanced for ensuring that the image is not being exposed or less exposed to the permitted light. And when the aperture is increased the shutter speed increased for balancing it as well as vice versa.

Landscape mode:

It is the kind of page orientation that prints out the picture in a horizontal manner rather than in a vertical manner. And it is being commonly used for printing the charts or various other types of pictures as well as the text which might not adjust properly with the page that is aligned vertically.

Consider the High Nikon DSLR. You need to hold down the "MODE" as meanwhile the rear control (dial)  is turned unless you view "A" over the LCD top. And your FCD then sets the aperture. And in almost all Canon SLRs as an example: You need to turn to "Av" your mode dial.

The results of these adjustments are certainly good.

And the shutter speed is being measured by the unit of time and ranges in less than fractions of one second. And as we say that the shutter speed is "5000", it means its 1/30000 th of a  minute. And the shutter speed which is of one second or more in length is being marked as a'. One example is 16'.

How we measure aperture. And what it means:

It is being measured with the help of the f-stop scale. And on the digital camera, you will find 'f/' which is being followed by an integer. And this f-number indicates the wideness of the aperture. As well as the size does affect the exposure as well as the field depth of the resultant image.

Now come to why we should learn to control the shutter speed and the aperture.

You should know that by selecting the shutter speed you permit yourself to freeze or otherwise blur motion, and sometimes you would like to do the first one or the second one. And the aperture permits you to select the field depth to either blur the background or make it sharper.

Thus, now you have an idea of each of the modes, and their merits. And if you will ask the best one, he will be up with the aperture priority or with auto ISO and full manual. If you are up with some specific requirements, then you should have a full manual mode in automatic mode, and that will be quite handy. You certainly need to learn by heart how to make use of the full manual, as it will improve your understanding of the photography, however, the semi-automatic mode is certainly your best friend.

And yes, as well as its a very great feeling. Its certainly quite hard to take the photographs of still objects while you are riding.

Some of the things that make it hard to take the action photographs are like the object, or the animal can move as well as you need to set the shutter speed as well as the aperture speed quite swiftly. Also, you need to focus your camera for ensuring a very good picture and ensure its not blurry or like the picture is out of the focus.

In night photography, the camera might shake because of the very low ambient brightness, the camera might move for very slow shutter speed. Various other challenges are the improper focus, white balances, less exposure, etc,

That solves all the questions asked.

3 0
3 years ago
You work as the IT administrator for a small corporate network. To accommodate specific network communication needs for an upcom
Andreas93 [3]

Answer:

The right answer is option A

Explanation:

To upgrade a network communication to accommodate for specific network needs, what is required is to select and install the network interface with the highest speed to connect to the local network.

Network communications are what we use to connect to the internet. There are different network providers and the provided networks do not have the same network speed due to different reasons. A network interface is what is used to connect our computer to the network provider. It is only logical to get the best network interface card in that region and connect to the fastest speed available.

5 0
3 years ago
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