2.1.31. 获取用键盘输入常用的两种方法 方法 1：通过 Scanner Scanner input = new Scanner(System.in); String s...
发简信
IP属地：北京
-
2021-05-24 Java学习
-
2021-05-23 SQL 练习
--Use the NOT keyword to select all records where City is NOT "Berlin" SELECT * FROM Cu...
-
2021-05-11 NAT
NAT: network address translation -motivation: local network uses just one IP address as...
-
2021-05-11 MAC ARP
two types of links: 1. point to point 2.broadcast(shared wire or medium) -Multiple acce...
-
2021-05-11 Error Detection
-Parity Checking ( odd/even parity ) single bit parity two-dimensional bit parity -Chec...
-
2021-05-11 ARP
ARP: address resolution protocol地址解析协议，用于实现从 IP 地址到 MAC 地址的映射，即询问目标IP对应的MAC地址。 一般情况下，上层...