Aggregation is an address allocation goal for any network requiring high availability. Aggregation, or supernetting as it is described in Cisco and Microsoft textbooks, is a less specific way to refer to a collection of more specific routes. What is … Continue reading →

What is the subnetwork number of a host with an IP address of 172.16. 66.0/21? Explanation: A /21 is 255.255.Exercise :: Subnetting – Subnetting. A. 172.16.112.0 C. 172.16.96.0 D. 172.16.255.0 What is the subnetwork of the host IP address of … Continue reading →

From the security point of view it is safe, dns is unencrypted so it can be monitored by the ISP and it can of course be monitored by Google, so there may be a privacy concern. Is using 8.8 8.8 … Continue reading →

Three ways to hide your IP Use a VPN. A VPN is an intermediary server that encrypts your connection to the internet — and it also hides your IP address. Use Tor. Comprising thousands of volunteer-run server nodes, Tor is … Continue reading →

Do more with Hubitat by connecting it to Wyze, and hundreds of other apps and devices, with IFTTT. Does WYZE use Zwave? No, Wyze Sense does not use Zigbee or Z-Wave. There were a number of limiting factors to both … Continue reading →

Node-RED is built on Node. js, taking full advantage of its event-driven, non-blocking model. This makes it ideal to run at the edge of the network on low-cost hardware such as the Raspberry Pi as well as in the cloud. … Continue reading →

range is a function that basically takes in a starting index and ending index then return a list of all integers from start to end. The most obvious way would be using a for loop. What is the range for … Continue reading →

Like many of the offerings from Amazon Web Services, Amazon Kinesis software is modeled after an existing Open Source system. In this case, Kinesis is modeled after Apache Kafka.Amazon Kinesis has a built-in cross replication while Kafka requires configuration to … Continue reading →

MQTT is used for data exchange between constrained devices and server applications. It keeps bandwidth requirements to an absolute minimum, handles unreliable networks, requires little implementation effort for developers, and is, therefore, ideal for machine-to-machine (M2M) communication. What is MQTT … Continue reading →

The Function node allows JavaScript code to be run against the messages that are passed through it. The message is passed in as an object called msg .payload property containing the body of the message. Other nodes may attach their … Continue reading →

With those concepts in mind, you are well on your road to become a proficient JavaScript developer, in both the browser and in Node. js. The following concepts are also key to understand asynchronous programming, which is one of the … Continue reading →

The node interface defines common attributes that refer from a parent node to its child nodes from a node to its next sibling and from child nodes back to their parent.These five core attributes allow your code to navigate from … Continue reading →

(Pocket-lint) – Samsung’s Android phones come with their own voice assistant called Bixby, in addition to supporting Google Assistant. Bixby is Samsung’s attempt to take on the likes of Siri, Google Assistant and Amazon Alexa. What is Android’s Siri called? … Continue reading →

Just say “Hey Celia” or hold the power button for one second to launch. Celia will be ready to help. How do I enable Celia on my Huawei? You might have to manually activate Celia to get it to work. … Continue reading →

TruePeopleSearch: One of the best and fastest people search tools you can use for free, this site lets you find people by name, number, and address, and includes those details plus email addresses, associated names, possible relatives and associates, and … Continue reading →