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【多选题】
关于请求转发和请求重定向之间的区别有哪些？（）A.
RequestDispatcher对象指定的URL是相对于当前WEB应用程序的根目录，而sendRedirect方法中的URL是相对于整个WEB站点的根目录。
B.
调用sendRedirect方法重定向的访问过程结束后，浏览器地址栏中显示的URL会改变；而调用forward方法就不会改变
C.
sendRedirect方法响应的结果就是告诉浏览器去重新发出对另外一个URL的访问请求。Forward方法在服务器端内部将请求转发给另外一个资源。
D.
forward方法的request对象和response对象属于同一个访问请求和响应过程；而sendRedirect方法的request对象和response对象属于两个独立的访问请求和响应过程
E.
无论是forward方法，还是sendRedirect方法，在调用它们之前，都不能有内容已经被实际输出到了客户端
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【简答题】爆炸现象可以分为物理爆炸、化学爆炸和核爆炸等类型。对于化学爆炸来说，其下列属于此类的是（ ）。
【单选题】You need to design access to Microsoft Outlook Web Access for remote users. What should you do？（）
A.
Place all user mailboxes on back-end servers. Deploy Outlook Web Access on three front-end servers that are members of the Network Load Balancing cluster
B.
Place all user mailboxes on back-end servers that are members of a Network Load Balancing cluster. Deploy Outlook Web Access on the back-end servers
C.
Place mailboxes for remote users on one back-end server and place all mailboxes for main office users on another back-end server. Deploy Outlook Web Access on the back-end server that contains the mailboxes for remote users
D.
Place all user mailboxes on two back-end servers that are members of a Network Load Balancing cluster. Place mailboxes for remote users and mailboxes for main office users into separate storage groups. Deploy Outlook Web Access on three front-end servers. Configure the front-end servers to access only the back-end Network Load Balancing cluster
【单选题】What is NOT mentioned as a major concern about Internet access in schools?
A.
Internet access is considered more of a distraction than a learning tool.
B.
Kids' attention spans and ability to focus are being affected.
C.
Internet access might occupy too much learning time.
D.
Likely to be affected by the stimulating Internet, kids' math and pelling may fail.
【单选题】下列爆炸现象中，属于化学爆炸的是( )。
A.
高压蒸汽锅炉当过热蒸汽压力超过锅炉能承受的程度时，锅炉破裂，高压蒸汽骤然释放出来，形成爆炸
B.
悬浮于空气中的粉尘(煤粉、面粉等)以一定的比例与空气混合时，在一定的条件下所产生的爆炸
C.
陨石落地对目标的撞击等物体高速碰撞时，物体高速运动产生的动能，在碰撞点的局部区域内迅速转化为热能，形成爆炸现象
D.
自然界中的雷电
【单选题】What is the correct procedure for adding an access point in WCS？（）
A.
Choose Configure >Access_Point， then enter the AP MAC address
B.
Choose Configure >Access_Point， then enter the IP address of the AP
C.
Wait until the WLC downloads its code from the WCS and choose the access point from the list under the WLC option of the Configure menu
D.
Wait until the AP downloads its code from the WCS and choose the access point from the list under the Access_Point option of the Configure menu
【单选题】What refers to the protocols used to determine who goes next on a multi-access channel?(74)
A.
MAC(medium access control)
B.
ARP(address resolution protocol)
C.
NAT(network address translation)
D.
CIDR(classless interdomain routing)
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