You are developing an application that performs file backups in the background. The background application will host a Windows Communication Foundation (WCF) service and must be active as soon as the machine is running. The background application will not

题目

You are developing an application that performs file backups in the background. The background application will host a Windows Communication Foundation (WCF) service and must be active as soon as the machine is running. The background application will not have a user interface. A front-end application will consume the WCF service and will provide the user interface.You need to choose a host environment for the WCF service.Which hosting environment should you choose? （）

A. Microsoft Internet Information Services (IIS) 6.0

B. Windows Process Activation Services (WAS)

C. A Windows Forms application

D. A Windows Service

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1.YouaremanaginganOracleDatabase11gdatabase.Thedatabaseisopen,andyouplantoperformRecoveryManager(RMAN)backups.Whichthreestatementsaretrueaboutthesebackups()A.Thebackupswouldbeconsistent.B.Thebackupswouldbeinconsistent.C.ThebackupswouldbepossibleonlyifthedatabaseisrunninginARCHIVELOGmode.D.ThebackupswouldbepossibleonlyifthedatabaseisrunninginNOARCHIVELOGmode.E.Thebackupsneedtoberestoredandthedatabasehastoberecoveredincaseofamediafailure

2.下列那一个命令用于指定物理接口做备份接口？（ ） A、 Quidway(config)#backup intertace s0 B、 Quidway(config-s1)#backup s0 C、 Quidway(config)#backup s0 D、 Quidway(config-if-s1)#hackup intertace s0

3.The server host1 has been set up as a backup system with the following ／etc／exports.／backups －rw.How can a second server regularly use this disk space?()A./usr/sbin/mkfs -s 8G -o nbpi=2048,frag=512 /dev/lv00 -b -l host1B./usr/sbin/crnfsmnt -d /backups -l /backups host1 -R -X -v -S -b bgC./usr/sbin/mknfsmnt -f /backups -d /backups -h host1 -a -S -t rw -w bg -gD./usr/sbin/crfs -v nfs -g vg1 -A yes -p rw -m /backups -a logname=/dev/lv00

4.假设现在已经利用Application对象把变量a赋值为456，那么下列语句中能显示出“456”的是______。A．＜%=Application"a"%＞B．＜%=Application("a")%＞C．＜%=Application(a)%＞D．＜%=Application:a%＞

更多“You are developing an application that performs file backups in the background. The backgr ”相关问题

  • 第1题：

    Which command should an administrator use to view files and volume group backup information from a mksysb called server1.mksysb that is found in ／backups?()

    A.lsmksysb -l /backups/server1.mksysb

    B.showmksysb -f /backups/server1.mksysb

    C.listvgbackup -f /backups/server1.mksysb

    D.showvgbackup -l /backups/server1.mksysb


    参考答案：C

  • 第2题：

    He's spent years cultivating a knowledge of art.

    A:sharing
    B:using
    C:denying
    D:developing

    答案：D
    解析：
    他花费多年培养对艺术的学识。cultivate：培养；share：分享；use：使用；deny:否定； develop：发展，最符合题意。

  • 第3题：

    He's spent years cultivating a knowledge of art.

    A:using
    B:denying
    C:sharing
    D:developing

    答案：D
    解析：
    这句话的意思是：他用了数年的时间学习艺术知识。句中“cultivate”意为“培养”。四个 选项中A项意为“使用”;B项意为“否认”;C项意为“分享”;D项意为“发展，培养”。因此只有 D项最为合适。

  • 第4题：

    The server host1 has been set up as a backup system with the following ／etc／exports: How can a second server regularly use this disk space?()

    A./usr/sbin/mkfs -s 8G -o nbpi=2048,frag=512 /dev/lv00 -b -l host1

    B./usr/sbin/crnfsmnt -d /backups -l /backups host1 -R -X -v -S -b bg

    C./usr/sbin/mknfsmnt -f /backups -d /backups -h host1 -a -S -t rw -w bg -g

    D./usr/sbin/crfs -v nfs -g vg1 -A yes -p rw -m /backups -a logname=/dev/lv00


    参考答案：C

  • 第5题：

    Vitamins are similar because they are made of the same elements—usually carbon,hydrogen,oxygen,and sometimes nitrogen.They are different in that their elements are arranged differently,and each vitamin been（ ）one or more specific functions in the body.

    A.holds
    B.plays
    C.performs

    答案：A
    解析：
    根据句意，所选项要有“起作用”的含义。四个选项中，只有D.perform“执行，履行”与function相搭配，意为“起作用”。A.undertake“着手，承担”；B.hold“抓住，掌握”；C.play常和part或role搭配，也可表达“起作用”之意。

  • 第6题：

    He's spent years cultivating a knowledge of art.

    A:denying
    B:using
    C:sharing
    D:developing

    答案：D
    解析：
    本句意思：他已花费多年培养对艺术的学识。Cultivate“培养”和develop“发展”意思相 近。spend(time)doing sth./in doing sth.“花（时间）做某事”。第2部分：阅读判断

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