自动私有IP寻址技术考题分析(1)
添加时间: 2007-4-1 6:55:52 作者: 微软认证参考 阅读次数:102 来源: http://www.d9soft.com
问题：
When a client cannot connect to a DHCP server,what information does an Automatic Private IP Addressing provide?
A.Default Gateway
B.Subnet Mask
C.IP address
D.DNS server
Select the 2 best answers(选择两个最佳答案)
当客户端不能够连接到DHCP服务器时，自动专有IP地址分配将提供什么信息？
解答：
如果未能找到某个DHCP服务器，客户计算机将自动配置它们的IP 地址和子网掩码，其间要利用从Microsoft保留的B类 网络 169.254.0.0选择的地址，子网掩 码为255.255.0.0。
正确答案：BC
参考资料：
MCSE Training Kit -- Microsoft Windows 2000 Server 2nd Ed .eBook ---Chapter 9 Network Protocols and Services -- Lesson 2 Transmission Control Protocol/Internet Protocol
Using Automatic Private IP Addressing
The Windows 2000 implementation of TCP/IP supports a new mechanism for automatic address assignment of IP addresses for simple LAN-based network configurations. This addressing mechanism is an extension of dynamic IP address assignment for LAN adapters, enabling configuration of IP addresses without using static IP address assignment or installing the DHCP Service.
For the Automatic Private IP Addressing (APIPA) feature to function properly on a computer running Windows 2000, you must configure a network LAN adapter for TCP/IP and click Obtain An IP Address Automatically in the Internet Protocol (TCP/IP) Properties dialog box.
The following steps outline how APIPA assigns an IP address:
Windows 2000 TCP/IP attempts to find a DHCP server on the attached network to obtain a dynamically assigned IP address.
In the absence of a DHCP server during startup (for example, if the server is down for maintenance or repairs), the client cannot obtain an IP address.
APIPA generates an IP address in the form of 169.254.x.y (where x.y is the client's unique identifier) and a subnet mask of 255.255.0.0. If the address is in use, APIPA selects another IP address and, if necessary, reselects addresses up to 10 times.
NOTE
The Internet Assigned Numbers Authority (IANA) has reserved 169.254.0.0 through 169.254.255.255 for Automatic Private IP Addressing. As a result, APIPA provides an address that is guaranteed not to conflict with routable addresses.
提防IT认证试题中的文字游戏
问题：
What is the recommended minimum amount of memory for Windows 2000 Server?
A.128MB
B.256MB
C.96MB
D.64MB
Select the 1 best answer(选择一个最佳答案)
Windows 2000 Server 推荐的最小内存数量为多少？
解答：
这是一道非常容易让人出错的题目，容易出错的地方就在于不是问你系统支持的最小内存的数量，而是问推荐的最小内存数量，所以，很多人往往会选择128，而这就正中了考题的圈套了，所以说，国外的职业 资格 认证考试表面看起来似乎很板，不会玩什么花样，实际上却一直都在跟你斗心眼，千万要注意呀！
正确答案：B
参考资料：
MCSE Training Kit -- Microsoft Windows 2000 Server - Mspress - Chapter 2 -Installing and Configuring Microsoft Windows 2000 Server
Lesson 1: Preparing to Install Windows 2000 Server
在这里有一个迷惑人的地方，Training Kit 写的是推荐 网络 中最低128MB内存， 微软 官方公布的是：Windows 2000 Server 的需求条件，内存，推荐为最低256MB(也支持128MB)，对于这点，经过确认，确实应该以官方公布为准，考生需要特别注意此点。
问题：
You are planning to upgrade to Windows 2000.You would like to take advantage of Windows clustering and load balancing.Which operationg system should you use?
A.Windows 2000 Datacenter Server.
B.Windows 2000 Advanced Server.
C.Windows 2000 Server.
D.Windows Professional.
select the 2 bests answer(选择两个最佳答案)
你计划升级系统为Windows 2000，希望它可以使用群集和负载均衡功能，哪个版本可以满足你的要求？
解答：
这道题目非常简单，只需要搞清楚各个版本的差别就可以，找到哪些版本不支持群集和负载均衡服务，而Windows 2000版本中，只有Windows 2000 Datacenter Server和Windows 2000 Advanced Server支持这两个服务。
正确答案：AB
参考资料：
MCSE Training Kit - Microsoft Windows 2000 Server - Mspress - Chapter1
Lesson 1 ------ Overview of Windows 2000
Editions of Windows 2000
Windows 2000 is a multipurpose operating system with integrated support for client/server and peer-to-peer networks. The Windows 2000 family of products has been designed to increase reliability, deliver higher levels of system availability, and provide for scalability from a small network to a large enterprise network. Windows 2000 incorporates technologies that reduce the total cost of ownership by allowing organizations to increase the value of their existing investments while lowering overall computing costs. In addition, Windows 2000 incorporates comprehensive Internet and applications support, building on the success of Windows NT Server 4.0 as an Internet-aware, application-enabled server operating system.
Microsoft is releasing four editions of Windows 2000: Windows 2000 Professional, Windows 2000 Server, Windows 2000 Advanced Server, and Windows 2000 Datacenter Server. These products support an advanced PC-based, client/server infrastructure that lowers costs and allows an organization to adapt quickly to change. The Windows 2000 platform provides administrators with more control over their networks and client/server infrastructure, maximizing flexibility while supporting the kind of centralized control typically associated with a mainframe/terminal model.
Windows 2000 Professional
Windows 2000 Professional is the main Microsoft desktop operating system for businesses of all sizes. It is a high-performance, secure-network client computer and corporate desktop operating system that incorporates the best business features of Windows 98 and builds in the traditional strengths of Windows NT Workstation. Windows 2000 Professional includes a simplified user interface, plug and play capabilities, enhanced power management, and support for a broad range of hardware devices. In addition, Windows 2000 Professional significantly extends the manageability, reliability, and security of Windows NT because of its new file encryption system and application management tools.
Windows 2000 Server
Windows 2000 Server is a file, print, and application server, as well as a Web-server platform, and contains all the features of Windows 2000 Professional plus many new server-specific functions. At the core of Windows 2000 is a complete set of infrastructure services based on Active Directory services. Active Directory services centralizes the management of users, groups, security services, and network resources. Windows 2000 Server supports uniprocessor systems to four-way symmetric multiprocessing (SMP) systems with up to 4 gigabytes (GB) of physical memory. It includes the multipurpose capabilities required for workgroups and branch offices as well as for departmental deployments of file and print servers, application servers, Web servers, and communication servers. Windows 2000 Server is ideal for small-to-medium sized enterprise application deployments.
Windows 2000 Advanced Server
Windows 2000 Advanced Server is a more powerful departmental and application server operating system that includes the full feature set of Windows 2000 Server and adds the advanced high availability and improved scalability required for enterprise and larger departmental solutions. Windows 2000 Advanced Server supports eight-way SMP and integrates high-availability two-way clustering, and it is ideal for database-intensive work. Hardware that is designed around the Intel Physical Address Extensions (PAEs) allows Windows 2000 Advanced Server to take advantage of more physical memory.
Windows 2000 Datacenter Server
Windows 2000 Datacenter Server is a specialized high-end version of Windows 2000 Server designed for large-scale enterprise solutions. Windows 2000 Datacenter Server is optimized for large data warehouses, econometric analysis, large-scale simulations in science and engineering, online transaction processing (OLTP), and server consolidation projects. It is also ideal for large-scale Internet Service Providers (ISPs) and Web site hosting. Windows 2000 Datacenter Server includes the full feature set of Windows 2000 Advanced Server, providing load balancing services and enhancing clustering services by supporting four-way clustering. It is a specialized high-end version of Windows 2000 Server that supports up to 16-way SMP and up to 32-way SMP through original equipment manufacturer (OEM) operating system enhancements.
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