An administrator needs to implement a security patch policy on the network that adheres to aninternal SLA. Which of the following actions BEST achieves this task?()
A、 Define a test server group, install the patches and if successful schedule installation on production servers.
B、 Define a test server group, schedule installation on production servers and then install all updates and patches.
C、 Install the patches during a non-working hour.
D、 Send an email to all company users and request the best time for installation.
GB/T16680-1996《软件文档管理指南》中将项目文档分为开发文档、产品文档和管理文档三类,()属于产品文档.
A、可行性研究报告
B、开发计划
C、需求规格说明书
D、参考手册和用户指南
在任何时候,工作表中()单元格是激活的(即当前单元格)。
A、有两个
B、有且仅有一个
C、可以有一个以上
D、至少有一个
Which three are well-known mandatory BGP attributes? ()
AOrigin
BAS path
CNext hop
DCommunity
EMultiple exit discriminator
According to JUNOS software route selection algorithm, which IS-IS route type is most preferred?()
A、Level 1 internal routes
B、Level 1 external routes
C、Level 2 internal routes
D、Level 2 external routes
RIP有几个版本?它是基于什么路由算法,最大跳数为几跳.()
A、2链路状态16
B、1链路状态15
C、2距离向量15
D、1距离向量16