__________ firewalls are designed to operate at the media access control sublayer of the data link layer of the osi network model.
What is the windows server 2012 feature that enables you to maintain previous versions of files on a server, so that if users accidentally delete or overwrite a file, they can access a copy?
Improper electrical terminations lead to high ? connections, which in turn lead to electrical system failures.
Improper electrical terminations lead to high resistance connections, which in turn lead to electrical system failures. Incorrect electrical connections can cause fire or other damage to property and can cause damage and traffic.
EXPLANATION:
There are six common errors of wire connection and its solution:
1. Loose Wire Connections at Switches and Outlets
To overcome this problem, it is first necessary to turn off the power to the wall switch, lamp, or suspected outlet. With the power off, you can detach the cover plate and use a torch to carefully inspect the screw terminals inside where the cables are connected. If you find something loose, tighten the screw terminals carefully to the cable; most likely, this will solve the problem.
2. Wire Connections Made with Electrical Tape
To solve the problem, turn off first the power to the circuit. Afterward, detach the electrical tape from the cables and clean them. Check if there is an exact number of open wires showing (for most connectors, it means about 3/4 inches), then join the cables together with a cable nut or other official connectors (now there are push-in connectors that some aces like use).
3. Two or More Wires Under One Screw Terminal
To fix this problem, once again, this maintenance involves first switching off the power. Then, the two offending cables are detached from their screw terminal. Cut a six-inch pigtail cable of the same color as the two cables (use a green pigtail to join two bare copper grounding cables).
4. Exposed Wires
To solve this problem, switch off the power to the device, then remove the cable and remove the excess cable or remove the additional insulation so that the correct number of cables is exposed. Then, reconnect the cable to the wire nut or screw terminal. Pull the cable a little to make sure they are steadily connected.
5. Loose Connections on Circuit Breaker Terminals
To solve a problem, maintenances on the major service panel must be carried out by a professional electrician. Amateurs should only try this improvement if they are experienced and have knowledge of the electrical system.
6. Faulty Neutral Wire Connections at Circuit Breaker Panels
To solve this problem, the electrician will inspect to validate the neutral cable is sufficiently stripped and properly installed to the neutral bus.
LEARN MORE
If you’re interested in learning more about this topic, we recommend you to also take a look at the following questions:
• An electric cell is a source of electric current because of a ________ between the terminals https://brainly.com/question/3583759
• Which of the following is maintained across the terminals of a battery? https://brainly.com/question/5564824
Keywords : Improper electrical terminations, electrical system failures.
Subject : Computers & Technology
Class : College
Sub-Chapter : Electrics
The protocol that resides at the ____ layer in the tcp/ip protocol suite is called internet protocol (ip).
A(n) ____ has a central security database that is used by all computers that are members of it. ou wsu domain dns
Gps receivers are commonly used by individuals to determine their geographic location while hiking and to obtain driving directions while traveling.
a. True
b. False
Every node (except of the last node) in a singly linked list contains ____
If a protocol is routable which tcp/ip layer does it operate at\
Write a program that reads in two integers and determines if the first is a multiple of the second. [hint: use the modulus operator.]
On the Picture Tools Layout tab, you can preview results of the numerous styles, borders, effects, and layouts by _______ commands.
By single-clicking commands, you can preview results of the borders, numerous style, layouts, and effects, on the Picture Tools Layout tab.
You may observe that when you select a picture as you work, a new tab will display above the Format tab – which is the Picture Tools tab. A special set of commands that are exclusive for pictures will be available on the Ribbon once this tab displays.
A lot of Microsoft Office applications contain this option, such as the popular
document editing application, Microsoft Word. Today, the most recent version of
the Microsoft Office suite is the Office 2016 for Windows and MacOS.
What port does rdp use by default and from what range of numbers should you select a private port number?
By default, RDP (Remote Desktop Protocol) uses port 3389. For selecting private port numbers, you should use the range from 49152 to 65535.
Remote Desktop Protocol (RDP) is a network protocol used to remotely connect to another computer. By default, RDP uses port 3389. This port number acts like an apartment number in a building, making sure that traffic is directed to the correct application on a server.
When selecting a private port number, it's crucial to choose from the range of 49152 to 65535, which is known as the dynamic or private port range. These port numbers are not assigned to any specific services and are available for any application to use.
Ports play a significant role in how applications communicate over networks, with different ports designated for different services like HTTP (port 80) and FTP (port 21), although these can sometimes be customized by administrators as needed.
Excel is an electronic version of a(n) ____
If you were optimizing for performance and wanted to support potentially adding many new elements to an adt, then:
If you were optimizing for performance and wanted to support potentially adding many new elements to an adt, then a list would allow faster addition of elements than an array. The object that contains the data of similar type is called an array. When the array is created, its length of array is established.
The term _____ best describes the level of technology skills needed in today’s business world.
Magnetic ram (mram) uses ____ rather than an electrical charge to store data.
A source of DC voltage that converts light to voltage is a A. photovoltaic cell. B. generator. C. primary cell. D. lithium battery.
What is the new file system available in windows server 2012?
A mental model to help a computer troubleshooter understand and explain a problem situation is based on ____.
E-mail is ________ communication, which means users do not have to communicate at the same time.
Answer: Asynchronous
Explanation:
Asynchronous communication is not based on clock signal rather the communication takes place in non -regular manner by specific synchronized clock.Texting, blogging, vlogging,emailing etc are the examples of asynchronous communication.This can take place from different place at any time.Therefore, E-mail is example of asynchronous communication which permits user to communicate through mails at any point of time
Which of the following types of tool should be used only on round work, such as rigid or IMC conduit?
A. A diagonal pliers
B. A pipe wrench
C. A tugger
D. An adjustable wrench
Answer:
The correct answer is letter "C": A pipe wrench.
Explanation:
A pipe wrench, piping tool, faucet key or Stillson wrench is an adjustable key used to tight, loosen or adjust pieces. It is useful when big and typically rigid pieces must be tightened overall when the torque needed is higher because its handle is larger which gives extra leverage.
Productivity software that provides you with the ability to create, spell-check, edit, and format is considered ____ software.
What is the ratio between total bits required for such a cache implementation over the data storage bits?
When you modify or delete data present in a database, you are ________?
In Microsoft Windows, which of the following typically happens by default when a file is "double-clicked"?
"because data in a computer can be easily accessed and modified, that presents a challange for the investigators of a computer crime. what method is used to make sure the files the investigator have have not been changed from their original state found in the crime computer
The ampacity of a No. 12 aluminum wire with RHW insulation installed in a raceway that has 19 other wires is
A. 7 A.
B. 5 A.
C. 10 A.
D. 15 A.
The ampacity of a No. 12 aluminum wire with RHW insulation installed in a raceway with 19 other wires is most accurately 7 A, as the NEC dictates derating to 50% for more than 9 conductors, which is 7.5 A. We typically select the nearest standard size of overcurrent protection device below this value, giving us 7 A in this case.
Explanation:The student is asking about the ampacity of a No. 12 aluminum wire with RHW insulation when installed in a raceway with 19 other wires. The term ampacity refers to the maximum current an electrical conductor can handle before deteriorating under the heat caused by electrical resistance, which is an important consideration in electrical wiring installations. According to the National Electrical Code (NEC), the base ampacity of No. 12 aluminum wire is generally 15 amps. However, when multiple wires are bundled together, as in a raceway, the ampacity must be derated due to the reduced ability to dissipate heat.
For 4-6 current-carrying conductors, the NEC suggests derating to 80%, 7-9 to 70%, and more than 9 to 50%. Therefore, with 20 conductors, the ampacity would be derated to 50% of 15 A, which is 7.5 A. But in practice, we use the nearest standard size of overcurrent protection device below the ampacity after derating, which usually brings us to either 7 or 5 amperes. Options 10 A and 15 A would be too high and disregard the need for derating. Thus, the most accurate answer, based on NEC guidelines, would likely be 7 A. Still, official guidelines and local regulations should be consulted to determine the exact ampacity as it may vary based on specific conditions.
Based on the NEC guidelines, the ampacity for No. 12 aluminum wire with RHW insulation must be derated when in a raceway with multiple wires. Normally, it is 15 A, but with 20 wires, it would typically be derated to 80%, which closest matches option A, 7 A.
The ampacity of a No. 12 aluminum wire with RHW insulation installed in a raceway with other wires will be de-rated according to the National Electrical Code (NEC). The NEC provides a table for the allowable ampacities of conductors, but they must be adjusted when multiple conductors are bundled together, as they generate more heat and can handle less current.
For No. 12 aluminum wire with RHW insulation, the typical ampacity is 15 A when not in a bundle. However, the NEC states that for more than 3 wires in a conduit, the ampacity must be derated to 80% of this value. Since there are a total of 20 wires in this case, the ampacity would have to be derated further.
Unfortunately, the question does not provide the exact de-rating factor needed for a bundle of 20 wires; the NEC must be consulted directly for specific de-rating factors. Nevertheless, the closest answer from the provided options, based on the typical 80% de-rate, would be 7 A (Answer A).
The file stream data type is for out put files, input files,or files that perform both input and output
What are the four generic architectural components of a public communications network? define each term?
What is a series of instruction or commands that a computer follows; used to create software
A program is an established set of instructions that a computer tracks to perform a task. The program is put into a storage area manageable to the computer and memory can also comprise the information that the instruction operates on. The computer program changes to one instruction and accomplishes it and then gets the following instruction. Programs can be considered as interactive or batch in relations of what drives them and how constantly they run. An interactive program obtains data from an interactive user or perhaps from another program that put on an interactive user. A batch program tracks and does it work and then stops and can be in progress by interactive users who appeal their interactive program to run the batch program.
When a file is double clicked what happens