The answer is firewall. It is a network security device that observes inbound and outbound network traffic and chooses whether to allow or block specific traffic based on a well-defined set of security rules. Firewalls have been a first line of protection in network security for over 25 years. The firewall present a barrier between measured and secured internal networks that can be trusted and untrusted outside networks, for example the Internet. A firewall can be software, hardware, or even both.
Irene created a LAN , which generally uses Ethernet cables for communication.
<h3>What is LAN about?</h3>
The LAN ports are known to be employed to link computers that do not have Wi-Fi access and it is one that make use of an Ethernet cable.
Note that Irene created a LAN , which generally uses Ethernet cables for communication to access the internet.
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Answer: b)It helps to engage workers in continuous improvement activities.
Explanation: Poke-yoke method was the technique to eliminate the mistakes that happen in a manufacturing process. It helps in avoiding the issues in the product and correcting those errors.
Mistake proofing is the mechanism of this methods that ensures about the product manufactured is safe from any failure and defects.It alerts the workers to improve the product through their working.
Other options are incorrect because it was developed by Shigeo Shingo , they had easy mechanism and feedback system did not told the workers about defects.Thus, the correct option is option(b).
D. A database is software which is designed to store massive amounts of data and organize them in such a way that information can easily be worked on (added, deleted, moved, etc...).
