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【单选题】
某公司局域网防火墙由包过滤路由器R和应用网关F组成，如图3-3所示，下面描述错误的是(34)。A.
计算机C能够与计算机X直接地建立端口23的TCP连接
B.
可以限制计算机B只能访问Internet上在TCP端口80上开放的服务
C.
可以使计算机B无法使用FTP协议从Internet上下载数据
D.
可以限制计算机A仅能访问以“202”为前缀的IP地址
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【简答题】肺的构造(见图 C)(1) ___________ (2)___________(3)___________
【多选题】患者，男性，28岁，咳嗽咳痰1年余，CT检查如图所示。 影像学表现正确的是（）
A.
左肺下叶后底端紧贴膈面呈团块状阴影
B.
边界一般较清晰，其长轴指向内后方，则指示与胸主动脉有联系
C.
支气管造影可见同叶的正常支气管围绕病变的移位现象
D.
主动脉造影有助于确诊该疾病
E.
CT增强扫描呈不均质强化，合并感染时可见气液平
F.
MR多轴位扫描可现病灶内血管结构及静脉引流情况
【单选题】Your network contains an Exchange Server 2010 Mailbox server.The server has one mailbox database.A user named User1 reports that he has multiple corrupted e-mail messages in his mailbox.You need to re...
A.
Create a new Mailbox Recovery Database， restore a backup of the database file， and then run the Export-Mailbox cmdlet.
B.
Create a new Mailbox Recovery Database， restore a backup of the database file， and then run the Restore-Mailbox cmdlet.
C.
Create a database availability group （DAG）， restore a backup of the mailbox database file， and then run the Restore-Mailbox cmdlet.
D.
Create a database availability group （DAG）， restore a backup of the mailbox database file， and then run the Export-Mailbox cmdlet.
【单选题】You have an Exchange Server 2010 organization that contains 20 Mailbox servers. You plan to create 10 mailbox databases on each Mailbox server.You need to create a naming convention for all mailbox da...
A.
For each mailbox database， provide a database name that is unique within the organization.
B.
For each mailbox database， provide a database name that is unique within the Mailbox server.
C.
For each mailbox database file， provide a file name that is unique within the organization.
D.
For each mailbox database file， provide a file name that is unique within the Mailbox server.
【简答题】完成书上37-39页剖面符号的画法
【简答题】The red metal flag on the mailbox is raised______.
【单选题】You have an Exchange Server 2010 Mailbox server that contains multiple mailbox databases.You need to ensure that you receive an e-mail alert if the volume that contains the mailbox database files has ...
A.
Create a new Data Collector Set.
B.
Create a new Event Viewer Subscription.
C.
Attach a new task to the Application event log.
D.
Modify the properties of the mailbox database objects.
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