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What is Spam?

Spam is an act of sending messages through electronic devices repeatedly, without the request or will of the recipient.
Spam actions that usually occur are via email ( email ) containing advertisements, SMS from cellphones or also on a website.
In the following, We will explain what spam is, and how this spam can occur. Immediately see the article below Guys!
DEFINITION OF SPAM

Actions like this usually harm the recipient, because he did not ask for it. People who do this spam are also known as Spammers, and their actions are known as Spamming.
This spam is sent by advertisers at a very low cost because it does not require a mailing list to reach the desired customer.
The number of Spammers that appear occurs because barriers to entry are low, so the number of unsolicited messages becomes very high.
Because of this incident, many parties feel disadvantaged. Both the internet users themselves (ISPs) and the general public.
It turns out that this spam includes negative actions that can violate the law in internet laws.
Forms of Spam
There are many forms of spam that you must recognize from various electronic media, so you must be more vigilant and increase security to avoid this spam.
Even though it only contains advertisements or the like, this spam is also detrimental to internet users themselves.
It could be that the advertisement or spam message contains a virus or the like that can harm you.
Get to know some of the most common forms of spam, namely:
1. Email (Electronic Mail)

These spam messages usually go to junk mail or unsolicited commercial electronic mail.
Spam that often occurs in this email has been around since the 1930s.
Until now, the growth of spam in the electronic world is very high, reaching 80% to 85% of all electronic mail in the world.
Spam actions that usually occur in e-mails (e-mails ) are indeed the most common.
2. Instant Messaging

The instant messaging system itself can be used as spam.
According to a report from Ferris Research, 500 million instant message spam was sent in 2003, more than in 2002.
This instant spam is not blocked by the firewall, so many spammers take advantage of it.
3. Usenet Newsgroups and Forums
Spam newsgroups are the type that targets Usenet Newsgroups. This type actually existed before spam in electronic mail.
Uniquely, this type is often entered repeatedly with the same message substance.
If the type of forum spam, usually in the form of advertisements or the like that goes into internet forums. This action is performed by automated spambots that are set up.
This type usually consists of a message containing a link to a site, to increase search engine visibility in competitive areas.
Based on geographic area, this spam already exists around the world and is divided into various countries.
According to Cisco System data collection, in 2009 about the amount of spam in 5 major countries, namely:

That’s the understanding of what spam is and the highest number in several countries according to the Cisco System data collection that you should know Guys!
Hopefully, the above article can be helpful and useful for all of you guys! Thank you.
Wiki
What is eSIM (Electronic SIM Card)?

Have you heard of eSIM lately? If you have one, an eSIM is a replacement for a physical SIM card that connects your phone to the cellular network, but an eSIM is much smaller.
The biggest difference between an eSIM and a regular SIM card is that the eSIM is pre-installed on the motherboard of the phone or other device. You don’t need to insert a physical SIM card anymore, and of course, you can’t remove it.
And indirectly this also means that you also can’t change your number or switch to another operator, because the information on the eSIM can be rewritten. It can all be done instantly and easily.
The similarities between an eSIM card and a SIM card are usually the same technology used and run on the same GSM network.
To use an eSIM, you must use an operator that already has the technology and network that can support it and of course, you must have a mobile phone or device that is compatible with eSIM.
Currently, most operators such as AT&T and T-Mobile in the United States have started using this technology, EE operators in the UK, currently, the operator that supports eSIM Smartfren.
Supported Devices with eSIM
In terms of devices that support eSIM, it seems that it is still limited, currently what is supported are devices that can be categorized as high-end devices, including:

iPhones :
- iPhone 12 and iPhone 13 series
- iPhone 11
- iPhone XS
- iPhone XR
- iPhone SE
iPads
- iPad 7
- iPad Air 3
- iPad Mini 5
- iPad Pros
- iPad Pro 2
- Apple iPad Air 4
- Apple iPad Pro 3
Android:
- Google Pixel 2
- Pixel 5a 5G
- Pixel 6
- Samsung Galaxy S20
- Samsung S21
- Samsung S22
- Samsung Fold
- Samsung Flip
- Samsung Note20 Series.
- Huawei P40 and P40 Pro`
- Surface Duo from Microsoft
- Moto Razr 2019
Wiki
What is a Virtual Private Server

In the world of web hosting, Virtual Private Server (VPS) has become a popular choice for website owners who are looking for a flexible and cost-effective solution. A VPS is a virtual machine that is hosted on a physical server, which allows the user to have full control over their server environment, similar to a dedicated server. In this article, we will explain what a Virtual Private Server is, how it works, and its benefits.
What is a Virtual Private Server?
A Virtual Private Server is a virtual machine that is created on a physical server, which is partitioned into multiple smaller virtual servers. Each virtual server is isolated from one another, and the user is provided with complete root access to the operating system, which means the user can install any software or application they want, as long as it is compatible with the operating system.
A VPS is a combination of shared hosting and dedicated hosting. It provides the user with a dedicated operating system, which means that the user can install their applications and software without affecting other virtual servers hosted on the same physical server.
How does a Virtual Private Server work?
A VPS works by virtualizing the physical server, which means that it creates a virtual environment on top of the existing hardware. The virtualization software creates multiple virtual servers that are independent of one another, and the user is given full access to the operating system.
The virtualization software used in VPS hosting is called hypervisor. The hypervisor is responsible for creating and managing the virtual servers. It creates a virtual machine for each user, which is isolated from other virtual machines. This ensures that the user has complete control over their environment and that they are not affected by other users on the same physical server.

Benefits of a Virtual Private Server
There are several benefits of using a VPS, including:
Cost-effective
A VPS is a cost-effective solution compared to a dedicated server. The user can get the benefits of a dedicated server at a lower cost.
Scalability
A VPS is scalable, which means that the user can increase or decrease their resources as per their requirements. The user can upgrade their resources as their website grows, which ensures that they do not have to pay for resources they do not need.
Control
A VPS provides the user with complete control over their environment, which means that they can install any software or application they want.
Security
A VPS is more secure than shared hosting as the user has complete control over their environment. They can install security software and customize the server settings to enhance security.
Reliability
A VPS is more reliable than shared hosting as the user is not affected by other users on the same physical server. The user can customize their server settings to ensure maximum uptime.
Steps to set up a Virtual Private Server
Setting up a VPS is a straightforward process. Here are the steps to set up a VPS:
Step 1: Choose a VPS provider
The first step is to choose a VPS provider. There are many VPS providers in the market, and the user should choose the one that best fits their requirements.
Step 2: Choose the operating system
The user should choose the operating system they want to use. The most popular operating systems used in VPS hosting are Linux and Windows.
Step 3: Choose the resources
The user should choose the resources they want to allocate to their virtual machine. The resources include CPU, RAM, and storage.
Step 4: Configure the VPS
Once the user has chosen their resources, they should configure their VPS. The user should customize their server settings to ensure maximum uptime and security.
Step 5: Install applications
The user can now install any application or software they want on their virtual machine.
Wiki
What are the Different Types of Network Cables

Network cables are the physical medium that connects computing devices to form a local area network (LAN) or a wide area network (WAN). There are several types of network cables that serve different purposes and have varying capabilities in terms of speed and data transfer rate.
Coaxial Cable
Coaxial cable is a type of network cable that is widely used in cable television systems, broadband internet, and other applications where high-frequency signals are transmitted. It is characterized by its characteristic cylindrical shape and an insulating layer that surrounds the core. Coaxial cable is made up of a central conductor surrounded by insulation, a metal shield, and a protective outer jacket.
Twisted Pair Cable
Twisted pair cable is a type of network cable that is widely used for voice and data transmission. It is made up of two or more insulated wires that are twisted together to reduce electrical noise and interference. The most common types of twisted pair cables are Category 5 (CAT5), Category 5e (CAT5e), and Category 6 (CAT6).
Fiber Optic Cable
Fiber optic cable is a type of network cable that uses light to transmit data over long distances. It is made up of a glass or plastic core surrounded by a cladding material and protective jackets. Fiber optic cable is known for its high bandwidth and high-speed data transfer rate, making it ideal for use in large-scale networks and high-speed data transmission applications.
Ethernet Cable
Ethernet cable is a type of network cable that is widely used for local area networks (LANs) and is the most common type of network cable used in homes and small businesses. Ethernet cables come in different speeds and categories, including Category 5 (CAT5), Category 5e (CAT5e), and Category 6 (CAT6).
Serial Cable
Serial cable is a type of network cable that is used to connect two devices together in a point-to-point configuration. It is commonly used to connect printers, modems, and other peripherals to a computer or network.
FireWire Cable
FireWire cable is a type of network cable that is used to connect high-speed devices such as digital cameras, camcorders, and external hard drives. It is known for its high speed and low latency, making it ideal for real-time data transmission.

In conclusion
There are several types of network cables each with its own unique features and capabilities. The type of network cable used depends on the specific requirements of the network, such as speed, data transfer rate, and distance. When choosing a network cable, it is important to consider the specific needs of your network and choose a cable that can meet those needs.
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