IT What’s SNMP?
If you have to observe system in your work, you may have heard SNMP sometimes. So, I'll explain about SNMP in this post...
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IT Private IP address
There are two types of IP address, called Private IP address and Public IP address. So, what's the differences of these...
IT What’s Segment
When you learn about NW or IP address, you hear "Segment" a lot of time, but what's this? So, I'll explain what's "Segm...
IT What’s DNS?
Systems communicate each other by using IP address(e.g. 1111.1111.1111.1111), but it is hard to understand for we human...
IT What’s MQ?
Yesterday, I heard "MQ" in my work, but I couldn't understand it. So I searched about MQ!
The overview of MQ
MQ is the ...
IT What’s Host name?
There are some words about host name like "FQDN", "IP address", "domain name", etc.
What are the differences between th...
IT What is ARP?
ARP is a Network layer protocol to know MAC address from IP address.
To communicate with computers which are connecte...
IT What’s HDD
HDD is abbreviation of "Hard Disk Drive", and used for not only computer but also TV, etc.
The Role of HDD
What's the...
IT Windows Registry
What's the Windows Registry?
Registry is the setting file of the Windows.
When we use the Windows, Windows always chec...
IT What’s the MAC address?
MAC address is used to distinguish the node on datalink layer.
So what's the differences from IP address?
Number of dig...