Which user authenticaton method

第1题：

第2题：

Which information is contained in a AAA authentication method list?（）

• A、A pointer to the address where a RADIUS server can be located
• B、A sequential list of user authentication methods
• C、A description of what a user can execute on a router
• D、The setup for the authentication phase on a router

第3题：

第4题：

Which statements concerning the methods notify（） and notifyAll（） are true？  

• A、Instances of class Thread have a method called notify（）.
• B、A call to the method notify（） will wake the thread that currently owns the monitor of the object.
• C、The method notify（） is synchronized.
• D、The method notifyAll（） is defined in class Thread.
• E、When there is more than one thread waiting to obtain the monitor of an object， there is no way to be     sure which thread will be notified by the notify（） method.

第5题：

Which DSL encapsulation method requires client software running on the end - user PC that is directly connected to a DSL modem?（）

• A、PPPoA
• B、PPPoE
• C、PPP
• D、L2TP
• E、ATM

第6题：

What are the elements with which a method is concerned?
There are six elements：
1.the nature of language；
2.the nature of language learning；
3.goals and objectives inteaching；
4.the type of syllabus to use；
5.the role of teachers，and instructional materials；
6.the techniques and procedures to use.
略

第7题：

Which two statements are correct about the aaa authentication login default grouptacacs+ localglobal configuration command？ （）

• A、 this login authenticationmethod list is automaticallyapplied to all lines except those that have a named method list explicitly defined
• B、 If the user fails the TACACS+ authentication then the local database on the router will be used to authenticatethe user
• C、 if the tacacs+ server fails to respond then the local database on the router will be used to authenticate the user 
• D、 "login" is the name of the method list being configured
• E、 if the tacacs+ server is unavailable， authentication will succeed automaticallyby default

第8题：

第9题：

A web application uses the HttpSession mechanism to determine if a user is “logged in”. When a user supplies a valid user name and password， an HttpSession is created for that user.  The user has access to the application for only 15 minutes after logging in. The code must determine how long the user has been logged in， and if this time is greater than 15 minutes， must destroy the HttpSession.  Which method in HttpSession is used to accomplish this？（）

• A、 getCreationTime
• B、 invalidateAfter
• C、 getLastAccessedTime
• D、 getMaxInactiveInterval

第10题：

Upon a user’s first visit to the website， which two operations are always performed when the getSession method is called with no arguments in a servlet？（）

• A、 All URLs returned by the server are rewritten.
• B、 An HttpSession object is created if necessary.
• C、 The user name and password of the user are checked.
• D、 The session ID is stored in the HTTP response as a cookie.