ICT Knowledgebase
ICKTB is team of experience and expert in ICT industry sharing their knowledge.
A VLAN is a group of devices on one or more LANs that are configured to communicate as if they were attached to the same wire, when in fact they are located on a number of different LAN segments. Because VLANs are based on logical instead of...
Switching is process to forward packets coming in from one port to a port leading towards the destination. When data comes on a port it is called ingress, and when data leaves a port or goes out it is called egress. A communication system may...
A DMZ or demilitarized zone is a perimeter network that protects and adds an extra layer of security to an organization’s internal local-area network from untrusted traffic. The purpose of a DMZ is to add an additional layer of security to...
Here we will deals exclusively with the CLI or Command Line Interface, rather than a GUI or Graphical User Interface you may be familiar with. The CLI terminal is a powerful tool that is often the primary method used to administer small low-power...
When you upgrade your computer to a new version of Windows 10, or you install a preview build, the installation process saves a copy of the previous version in the “Windows.old” folder. This is part of the safety mechanism in case the upgrade...
Nowadays protecting IT assets is most important and critical part for anyone. A “Firewall” is one of the most popular computer and network security devices that professionals use to protect their enterprise IT assets and networks. Just like a...
Struggling when you have to work on CIDR, Subnet mask and IP’s for CIDR? Look at below sheet for your convenience. Bookmark this fast. CIDR Subnet Mask No. of IP’s /32 255.255.255.255 1 /31 255.255.255.254 2 /30 255.255.255.252 4 /29...
let’s configure DNS server. Perform this task to configure the device as a DNS server. A Cisco IOS device can provide service to DNS clients, acting as both a caching name server and as an authoritative name server for its own local host...
The internet has become an integral part of our lives, allowing us to access information, connect with others, and conduct business transactions seamlessly. Behind the scenes, numerous systems work together to ensure this smooth operation. One such...
One thing that often gives people confusion is the difference between a Megabyte (MB) and a Megabit (Mb). People often assume that a download speed of 1 Megabit per second (1 Mbps) will allow them to download a 1 Megabyte (MBps) file in one second....
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