Tomoko
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Recent activity by Tomoko-
PPPoE
PPPoE PPP over Ethernet PPPoE is a connection method that applies PPP connection to Ethernet (networks used in offices and ordinary households). When connecting to the Internet, the authentication ...
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NAT
NAT Network Address Translator NAT is a mechanism that solves a shortage of global IP addresses by converting private and global IP addresses mutually on a one-to-one basis. On the Internet, each t...
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Router
Router Router A router is a relay device with the function for sorting destinations, by referring to the destination information (IP addresses) of data received on a network. What is routing? Rou...
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Gateway
Gateway Gateway A gateway is a device or software with the function to relay networks when those with different communication protocols communicate with one another. Difference between Gateway an...
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Bridge
Bridge Bridge A bridge is a relay device with the function to sort destinations by referring to the destination information (information of data link layers such as MAC addresses) received on a net...
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eSIM
eSIM Embedded SIM eSIM means an embedded SIM. Unlike conventional SIM cards, the SIM function of an eSIM card is directly embedded into a terminal itself, which saves time to attach/detach it to/fr...
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IPv6
IPv6 IPv6 is the version 6 of IP (Internet Protocol). It is a new Internet Protocol defined for addressing problems such as a shortage of IPv4 addresses. While the length of an IPv4 address is 3...
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IPv4
IPv4 IPv4 is the version 4 of IP (Internet Protocol). This is the protocol used the most widely on the Internet today. On the contrary, the version 6 is called IPv6. To identify each computer con...
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IMEI
IMEI International Mobile Equipment Identifier IMEI is an international mobile equipment identification number. IMEI is also called a production number, an identification number and a serial numb...
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SIM
SIM Subscriber Identity Module SIM is an IC chip that records the information required for connecting to a network of a mobile phone carrier. SIM records 3 kinds of identification numbers. IMSI ...