Respan Dataset Explorer

нет такого ответа!

Прошу прощения за путаницу. В таком случае, исходя из предложенных вами вариантов ответа, следует расположить источники энергии в порядке возрастания их использования на мировом уровне:

биотопливо, уголь, нефть, газ

Поскольку на момент последних данных, обычно газ используется чаще, чем нефть в качестве источника энергии, а уголь и биотопливо занимают более низкие позиции, с биотопливом как наименее широко используемым источником в данном списке.

ыберите верное определение

Вопрос 5Выберите один ответ:

ТЭС- это предприятия, которые вырабатывают энергию из альтернативного топлива


ТЭС – это предприятия, вырабатывающие электроэнергию на базе химического топлива (уголь, нефть, природный газ)


ТЭС- это предприятия, которые вырабатывают энергию, используя солнечную энергию

ТЭС – это предприятия, вырабатывающие электроэнергию на базе химического топлива (уголь, нефть, природный газ)

Возобновляемую энергию получают из природных ресурсов - таких как...

Вопрос 1Выберите один ответ:

природный газ, торф


дождь, снег


солнечный свет, ветер


уголь, нефть

солнечный свет, ветер

Отрасль энергетики, специализирующаяся на преобразовании кинетической энергии воздушных масс в атмосфере в электрическую, механическую, тепловую или в любую другую форму энергии, удобную для использования в народном хозяйстве.

Вопрос 4Выберите один ответ:

Ветроэнергетика


Альтернативная энергетика


Гидроэнергетика


Биотопливо


Солнечная энергетика

Ветроэнергетика

Недостаток ВЭС

Вопрос 5Выберите один ответ:

сила ветра непостоянна, ветроустановки вызывают радиопомехи, влияют климат


шум, опасность отходов


вибрации, опасность отходов

сила ветра непостоянна, ветроустановки вызывают радиопомехи, влияют на климат

Отрасль энергетики, в которой используется водород в качестве средства для аккумулирования, транспортировки и потребления энергии людьми.

Вопрос 3Выберите один ответ:

Распределённое производство энергии


Геотермальная энергетика


Управляемый термоядерный синтез


Водородная энергетика


Грозовая энергетика

Водородная энергетика

Используется ли энергия приливов для получения электричества

Вопрос 4Выберите один ответ:

нет


не используется, только для получения тепла


да

да

Is it possible that browser's extensions can provide vpn? Or they just provide proxy instead? 

Browser extensions can indeed offer VPN services, but many of them actually provide proxy functionality rather than full VPN services. It's important to understand the distinction between the two:

- **VPN (Virtual Private Network):** A VPN creates a secure, encrypted connection between your device and a server run by the VPN service. This means all of your internet traffic (not just traffic from your browser) is routed through the VPN, hiding your IP address and encrypting all data that is sent and received. A true VPN extension should impact all traffic from your browser, not just your browsing activity.

- **Proxy:** A proxy server is an intermediary server through which your traffic is routed before it reaches its final destination. Proxy services in browser extensions often only affect traffic within that specific browser, not all internet traffic from the device. Proxies may not offer the same level of security as VPNs, because they do not necessarily encrypt traffic; they primarily serve to mask your IP address.

Many browser "VPN" extensions are technically proxy services because they only secure the browser's traffic rather than all the data leaving your device. This can still be useful for certain activities like bypassing geo-restrictions on web content or hiding your browsing activity from your local network, but it won't offer the extensive protection that a full VPN service would provide.

When choosing an extension, always be sure to read the service's description and privacy policy carefully to understand what level of service you're getting—whether it's a true VPN or just a proxy service—and what data may be collected in the process. If you require a VPN for all internet traffic, you may need to install a dedicated VPN application on your device rather than relying on a browser extension.

If there are two browser extension, one provides proxy, another accesses internet. If a proxy extension is switched on, does it route the interest traffic of anither extension through the proxy or this routing is for site's traffic only?

When a browser extension that provides proxy functionality is switched on, it typically intercepts and routes only web requests made by the browser through the proxy server. This includes web page requests, media content, and other resources that the browser attempts to load as part of your browsing activity.

Other browser extensions that access the internet may or may not be affected by the proxy settings, depending primarily on how each extension is designed to handle network requests. There are a couple of typical scenarios:

1. **Extensions Using the Browser's Network Settings:** If an extension uses the browser's standard network APIs for its internet requests, then turning on a proxy extension will generally cause the traffic from that extension to be routed through the proxy as well. This is because it relies on the browser's network stack, which has been configured to use the proxy.

2. **Extensions with Independent Network Configuration:** Some extensions might use their own separate network settings or might be designed to communicate directly with a server without respecting the browser's configured proxy settings. In such cases, even if you have a proxy extension enabled, it might not affect the traffic of these other extensions.

It's worth noting that the behavior can vary significantly depending on the design and implementation of both the proxy extension and other extensions. If exact behavior is crucial for your use case (for privacy, security, or functional reasons), you should review the documentation for each extension or contact the developers to understand how they will interact.

For web traffic that occurs within the same extension ecosystem and is routed through the browser's standard network processes, the proxy extension can generally be expected to route that traffic through the provided proxy server. However, remember that this does not provide the same level of privacy and security as a system-wide VPN, which would encrypt and route all traffic from the device.

If some extensions are designed to communicate directly with a server without respecting the browser’s configured proxy settings, do they need a to be granted a specific permission to do so?

Yes, to communicate with servers directly without respecting the browser’s configured proxy settings, extensions typically require certain permissions, which must be granted upon installation or at runtime. These permissions are defined in the extension's manifest file, and they dictate what the extension can and cannot do within the user's browser.

For an extension to send network requests to specific servers or domains, it often requires permissions such as:

- `*://*/*` (or similar patterns) to have access to send requests to any server.
- `http://*/*`, `https://*/*` for sending requests to any server using HTTP or HTTPS.
- Specific domains or patterns to limit requests to certain websites, e.g., `*://*.example.com/*`.

For more advanced use cases, an extension might require permissions to use webRequest APIs to intercept, observe, or modify network traffic, or to use the `sockets` API for lower-level network access (where available, for example, in Chrome Apps, but not typical browser extensions).

Furthermore, specific to the context of bypassing proxy settings, an extension might use some other technique not reliant on the browser's network stack, such as WebSockets or WebRTC, which can have their own connectivity logic and may not adhere to proxy configurations set within the browser.

The important thing to note is that when you install a browser extension, you are prompted to accept the permissions it requests. It is crucial to pay attention to these permissions, as they can impact your privacy and security while browsing. You should always verify that you trust the developer and understand why an extension needs the permissions it is requesting. If an extension requires broad network access but doesn’t have a clear need for it, that can be a red flag.

Modern browsers like Chrome, Firefox, and Edge usually provide detailed information about the permissions requested by an extension on their respective web stores. Users should review these permissions carefully before installation. If an extension tries to request new permissions through an update, the browser typically disables the extension and notifies the user, who must then approve the new permissions for the extension to be re-enabled.