Answer:
A: used by ISP's to filter out email SPAM
C: a way to help an individual focus on best choices when deciding what to watch or buy.
Explanation:
Collaborative filtering uses a community-based approach to filter spam. It works by collecting numerous email users from around the world. By doing this, it becomes possible for users to flag emails that are spam and those that are legitimate.
Also Collaborative Filtering is one of the most efficient techniques for building a system that can help a user when it comes to recommending best choices based on information from a large number of users.
There are various kinds of network media and each one of them has different features and benefits. Some have different characteristics and not all of them are meant to perform the same purpose. While choosing network media, a number of criteria must be met. These criteria include:
The distance the selected medium can successfully carry a signal.
The environment where the selected medium is to be installed
Explanation:
The distance the selected medium can successfully carry a signal – The type of network media you choose depends on the distance it can cover before you install signal boosters or repeaters. Repeaters are used to regenerate signals that are required to cover greater distances. A UTP cable as compared to fiber is more prone to interference like noise and the distance it covers before a signal repeater is installed is shorter. Fiber cable is considered the best for distances as it can cover longer distances.
Environment should also be considered when choosing network media - If your network is setup in a place where there is too much electromagnetic field being generated, then you may be required to purchase fiber optic cables. Fiber optics are immune to such interference.
Learn about network media
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Answer:
ATM card and the pin number, the status of the bank account and the total of the purchase and the account and method of payment.
Explanation:
The POS or point of service is a device that allows the purchase of product from a commercial store to be done wirelessly and cashless.
It promotes The cashless policy to reduce the circulating physical currency. The POS electromagnetic wave to wirelessly access bank database to retrieve bank account information.
It takes in the smart card, and with the command, retrieves the bank account information addressed on the card. The cashier types the total price of purchased product and it is automatically minus and updated on the account database. Then the invoice of the transaction is issued to the customer.
ISO it is an organzation for agreement on internationational of network communication worldwide
OSI is the model for understanding and designing a network architecture
Answer:
Node.js
Explanation:
since you're using react native(javascript), then working with node.js is more suitable. I prefer sticking around in the same language.
