单项选择题
关于PDSCHDMRS以下说法错误的是()
- A、PDSCHDMRS有两种资源映射类型：type1和type2。
B、对于1个symbol，type1最多容纳4个DMRS端口，type2最多容纳6个DMRS端口。
C、对于2个symbol，type1与type2最多容纳的DMRS端口数分别为8和12。
D、DMRS会和CSI-RS(除了用于Mobility的)发生碰撞。
点击查看答案
相关考题
- 未知题型 在用户登录成功后，UNIX系统运行的第一个程序是(62)。
- 未知题型 You are the administrator of a SQL Server 2000 computer. The server contains confidential information about contracts on which your company has placed bids.Company policy requires that bid information be removed permanently from the database one year after the bid closes. You need to comply with this policy and minimize server overhead.What should you do?
- 未知题型 You are the administrator of two Microsoft Windows 2000 computers. One computer is running Internet Information Services (IIS), and the other is running SQL Server 2000. Company partners need to connect by means of the Internet and query data stored on the SQL Server computer. Some of these partners have computers that do not use Microsoft operating systems or Web browsers.You need to configure the IIS and SQL Server 2000 computers to allow access to data by means of the IIS virtual directory. IIS uses Basic Authentication to allow access to the virtual directory.Only company partners should have access to the SQL Server computer by means of the Internet. The partners should not be allowed to make ad hoc queries. You want to be able to audit successful and failed logins to the SQL Server computer.You want to allow the partners access to the SQL Server computer while keeping your security scheme as simple as possible. Which two actions should you take? (Each correct answer represents part of the solution. Choose two.)
- 单项选择题 下列选项中，用于定义执行动画效果之前延迟时间的属性是（）。
- 未知题型 UML(统一建模语言)支持的建模方式中不包括(53)，UML中不包括的事件有(54)。其中表示对象相互行为的模型是(55)模型。
- 未知题型 设有下列二叉树：对此二叉树中序遍历的结果为______。
- 未知题型 You are the administrator for your company's network. The network is configured as shown in the exhibit.You want to install Windows 2000 Professional on 20 new PXE-compliant computers on the marketing segment of your network. The new computers do not have operating systems installed.You create a RIS image. You load the image onto the RIS server. You then start the new computers.You find that the new computers cannot connect to the RIS server. You verify that the new computers cannot connect to the RIS server. You verify that the existing client computers in the network can connect to the network servers, including the RIS server. You want to enable the new computers to connect to the RIS server.What should you do?
- 单项选择题 centOS6中yum安装Nginx的启动方式是什么？（）
- 未知题型 DMAC与其他部件的关系如下图所示。其中，DMAC的4条信号线(按①、②、③、④顺序)的名称分别是
- 未知题型 表达式10 ＞ 5 &&6%3的值是
- 未知题型 按行优先顺序存储下三角矩阵的非零元素，则计算非零元素aij(1≤j≤i≤n)的地址的公式为
- 单项选择题 为First类的一个无形式参数无返回值的方法method书写方法头，其调用形式为First.method()，则该方法头的形式为( )
- 未知题型 品牌聚效－图片推广无线通栏投放的特点是什么?()
- 未知题型 有下列二叉树，对此二叉树前序遍历的结果为( )。
- 问答题 什么是相对定位和绝对定位？并举例说明。
- 未知题型 有以下程序:#include ＜stdio.h＞main( ) { ehar c1,c2,c3,c4,c5,c6; scanf( '% c% c% c% c', &
- 未知题型 You are the administrator of a SQL Server 2000 computer. The server contains a database that is heavily indexed and that company users query extensively. The database has grown and query response time has slowed. The database is stored in a single data file.You want to accelerate query response time. What should you do?
- 未知题型 下述哪些项是信息系统逻辑模型中应该包括的内容?Ⅰ．系统总体结构Ⅱ．数据流程图Ⅲ．数据字典Ⅳ．E-R图Ⅴ．过程说明 模块结构图
- 单项选择题 HTML代码表示（）
- 未知题型 若对大小为N的有序顺序表进行顺序查找，当查找不成功时，平均查找长度为(59)；当查找成功且表中仅有一个关键字等于欲查找的元素时，平均查找长度为(60)。
