单项选择题
A.the Dynamically update DNS A and PTR records only if requested by the DHCP clients check box
B.the Always dynamically update DNS A and PTR records check box
C.the Discard A and PTR records when lease is deleted check box
D.the Dynamically update DNS A and PTR records for DHCP clients that do not request dynamic updates （for example， clients running Windows NT 4.0） check box
单项选择题 You are a network administrator for Alpine Ski House. The network consists of a single Active Directory domain named alpineskihouse.com.Your company acquires a company named Adventure Works. The Adventure Works network consists of a single Active Directory domain named adventure-works.com. A server named Server32 is a network-management application server in the adventure-works.com domain. Server32 accesses all of the desktop client computers to perform automated software upgrades and hardware inventory. The network-management software on Server32 references desktop computers by unqualified host names， which are resolved to clientname.adventure-works.com by using a DNS server. You join Server32 to your domain to become server32.alpineskihouse.com. The Server32 IP address is 10.10.10.90.You are gradually migrating all adventure-works.com desktop client computers to your domain to become clientname.alpineskihouse.com. You do not have access to the adventure-works.com DNS server. When Server32 attempts to apply an update to the client computers， the network-management software returns many alerts that say that desktop computers cannot be found. You want to allow the network-management software on Server32 to resolve unqualified client computer host names in adventure-works.com or alpineskihouse.com， and you want to use the minimum amount of administrative effort. What should you do？（）
单项选择题 You are the network administrator for your company. The network consists of a single Active Directory domain. All servers run Windows Server 2003. You need to update six high-visibility servers with critical updates by using Windows Server Update Services （WSUS）. You approve all of the updates. You need to ensure that the updates are applied within one hour. What should you do？（）
多项选择题 You are the network administrator for your company. The network consists of a single Active Directory domain. All servers run Windows Server 2003. All client computers run Windows XP Professional.You install and configure a single server to run Windows Server Update Services （WSUS）. You configure the appropriate Group Policy settings to specify separate WSUS target groups for client and server computers. You need to ensure that computers automatically assign themselves to the correct computer group. What should you do？（）