Password schemes provide so-called weak authentication. some systems impose “password rules” to discourage or prevent users from using “weak” passwords. Give brief description of typical password rules. (5 p)

公告：维护QQ群：833371870，欢迎加入！
公告：维护QQ群：833371870，欢迎加入！
公告：维护QQ群：833371870，欢迎加入！

2022-06-06

Password schemes provide so-called weak authentication. some systems impose “password rules” to discourage or prevent users from using “weak” passwords. Give brief description of typical password rules. (5 p)

答案：

Password rules. Goal: high-entropy passwords Usually, using syntactic and procedural rules 1) Password at least 8 characters, or use passphrase. 2) Password must include digits and special characters 3) Password should not have a meaning 4) Must change password every 30 days 5) Cannot repeat same password in multiple systems

举一反三

内容

0
_________ are not phonological rules. ( ) A: Deletion rules B: Assimilation rules C: Transformational rules D: Sequential rules
1
连接MySQL服务器的指令是？() A: mysqladmin -u root password test B: mysql -u root password test C: mysql -u root -p test D: mysql -u root -password test
2
system-view [Huawei] user-interface console 0 [Huawei-ui-consoleO] user privilege level 15 [Huawei-ui-consoleO] authentication-mode password [Huawei-ui-consoleO] set authentication password cipher huawei2012 [Huawei-ui-consoleO] quit 关于上述配置命令说法错误的是（）
3
protected void Page_Load(object sender, EventArgs e) { if (Request.Cookies["password"] != __________) this.TextBox2.Attributes.Add("value", Request["password"]); } protected void Button1_Click(object sender, EventArgs e) { if (CheckBox1.__________) { Response.Cookies["password"]. __________= TextBox2.Text; Response.Cookies["password"]. __________= DateTime.Now.AddSeconds(20); } }
4
使用mysql扩展连接 MySql 数据库的正确语法是？ A: mysql_connect($username, $password) B: connect_mysql($username, $password) C: mysql_connect($servername, $username, $password) D: mysql::connect($servername, $username, $password)