Which two statements about MPLS label-switched paths (LSPs) are true? （）
ALSPs are bidirectional.
BLSPs are unidirectional.
CLSPs must follow the IGP's shortest path.
DLSPs can follow paths other than the IGP's shortest path.
Which three statements are true about terms in a policy?（）
AThe order of the terms in a policy is irrelevant.
BThe action is specified in a then statement.
CTerms are optional in a policy.
DThe match condition can be identified with a from statement.
EA from statement is mandatory in a term.
You have two IP addresses configured on the ge-0/0/6 interface, as shown in the exhibit. You want to select the 172.16.10.101 address as the source address for packets sent from this interface to hosts on a remote subnet. Which parameter would you add to the 172.16.10.101 address to complete this task?（）
A、 preferred
B、 broadcast
C、 primary
D、 arp 172.16.10.101
软件是指计算机为实现某种特定目地的所运行哦的（）的集合。
A、程序
B、数据
C、文档资料
D、信息
某项研究欲证明音乐疗法是否有效减轻癌症患者疼痛时，随机抽取了两组研究对象，分为实验组和对照组，实验组给予音乐疗法，对照组常规护理。该研究方法属于（）
A、描述性研究
B、历史性研究
C、实验研究
D、分析性研究
E、调查性研究
Aero晃动功能需要满足什么条件才可以正常工作？（）
A、安装的显卡兼容WDDM
B、从Microsoft下载Aero功能
C、Windows体验索引至少2分
D、Windows体验索引3分或更高