关于按产品分类进行的销售分析,以下哪种说法是不正确的?()
A. 当企业在市场上销售的产品不止一个时,就需要按产品进行销售分析与评估
B. 一般而言,企业会有一些产品的销售额占销售总额的比重较大
C. 如果某产品的销售额只占总销售额的一小部分,就表明该产品的销售不正常
D. 产品销售评估可与行业内同种产品销售量比较,如果二者变化同步,则销售正常
In order to configure two routers as anycast RPs, which of these requirements, af a minimum, must besatisfied?()
A. Multicast Source Discovery Protocol mesh-groups must be configured between the two anycast RPs.
B. The RPs must be within the same IGP domain.
C. Multicast Source Discovery Protocol must be configured between the two anycast RPs.
D. The two anycast RPs must be IBGP peers.