The 201.145.32.0 network is subnetted using a /26 mask. How many networks and IP hosts per network exists using this subnet mask?（） 4 networks with 64 hosts。 64 networks and 4 hosts。 2 networks and 62 hosts。 62 networks and 2 hosts。 6 network and 30 host。
扫描过程中最容易丢失层次的是：（） 亮调。 中间调。 暗调。 以上都不对。
下列哪些方式可对蒙板虚化的程度进行数字化控制？（） 使蒙板成为当前选中的通道，然后用高斯模糊滤镜对通道进行虚化。 将快速蒙板转化为选区，通过“选择>羽化”命令对选区进行羽化后再转化为蒙版，从而实现对蒙版的虚化处理。 使用模糊或涂抹工具对蒙版进行手工涂抹。 蒙板不能进行虚化处理。
You have an Exchange Server 2010 organization that contains 1，500 mailboxes.The Average size of each mailbox is a 750 MB.All users run either Microsoft Office Outlook 2010 or Outlook Web App to access their e-mail.All users who run Outlook 2010 are configured to use Cached Exchange Mode.You need to configure a mailbox solution for the organization to meet the following requirements： （1）Ensure that administrators can search and find any message （2）Reduce the size of the offline store （OST） for each user （3）Provide access to all e-mail messages by using either Outlook 2010 or Outlook Web App What should you do？（） Create a Personal Archive for each user and then create a retention policy.Instruct users to compact the OST file.。 Create a personal folder （PST） file for each user.Store all PST files on a network share. Instruct users to compact the OST file.。 Create a second disabled user account and a second mailbox for each user.Configure Journal rules to journal all the messages for each user to the users second mailbox。 Create a new disabled user account and a new mailbox named Journaling Mailbox. Configure journal rules to journal all the messages for each user to Journaling Mailbox.。
权力
You have a class B network with a 255.255.255.0 mask. Which of the statements below are true of this network?（）
