< H2 > question requirements: < H2 > set ACL, on the router to prevent other PC from accessing the academic Affairs Subnet. That is, vlan229 can access vlan129, while vlan129 forbids access to vlan229. ...
here is a description of the sentence: https: gss0.baidu.com 94o3dS. it says above that all ports of HUB and SWITCH are in a broadcast domain, and each port on the router forms its own broadcast domain. I can understand the description of HUB and r...
in the yii2 framework, you can see that when php communicates with redis through socket, the 8bit encoding is used to calculate the length of the string and intercept the returned information in the framework: mb_strlen($arg, 8bit ) there is no des...
after logging in, I store token in cookie but there is a validity period for token. The validity period set by me in cookie is not consistent with that set at the backend. As a result, sometimes the cookie does not expire and token expires. all t...
function student () { var name = xxx ; var getName = function () { return name } var setName = function (newName) { name = newName; } return { getName: getName, setName: setName, name: na...
large text should be better to use text, after all, text can be selected, so small text such as only a few words, view or text is better? ...
directly above: : ...