2 Management calls a meeting to explain to all employees the new benefits package for the rank and file. This is an example of:
A. Upward communication
B. Downward communication
C. One-way communication
D. Two-way communication
E. None of the above
第1题:
Yourcompanypurchases15new64-bitserversasfollows:
èFiveoftheservershaveasingleprocessor.
èFiveoftheservershaveasingledualcoreprocessor.
èFiveoftheservershavetwoquadcoreprocessors.
YouplantodeployWindowsServer2008R2onthenewserversbyusingWindowsDeploymentServices(WDS).
YouneedtorecommendaWDSinstallimagestrategythatmeetsthefollowingrequirements:
Minimizesthenumberofinstallimages
SupportsthedeploymentofWindowsServer2008R2
Whatshouldyourecommend?()
第2题:
在.xml文件中使用图片资源的方法是
A.@[<package>:]drawable/文件名
B.[<package>.]R.drawable.文件名
C.图片文件名
D.src=图片文件名
第3题:
用vi打开一个文件,如何用字母”new”来代替文件中所有的字母”old”
A.:r/old/new
B.:s/old/new
C.:1,$s/old/new/g
D.:%s/old/new/g
第4题:
Routers R1, R2, R3, and R4 connect to the same 10.10.10.0/24 LAN- based subnet. OSPF is fully working in the subnet. Later, R5, whose OSPF priority is higher than the other four routers, joins the subnet.Which of the following are true about the OSPF database exchange process over this subnet at this point?()
A. R5 will send its DD, LSR, and LSU packets to the 224.0.0.5 all - DR - routers multicast address.
B. R5 will send its DD, LSR, and LSU pack ets to the 224.0.0.6 all - DR - routers multicast address.
C. The DR will inform R5 about LSAs by sending its DD, LSR, and LSU packets to the 224.0.0.6 all- SPF - routers multicast address.
D. The DR will inform R5 about LSAs by sending its DD, LSR, and LSU pa ckets to the 224.0.0.5 all- SPF - routers multicast address.
第5题:
请解释R函数getwd()、setw()的作用,以及system.file(package = "base")的含义。
第6题:
在R语言中,安装名为“dplyr”的软件包,所需的命令为()。
A.install.packages(“dplyr”)
B.install.package(“dplyr”)
C.install.package(dplyr)
D.install.packages(dplyr)