A Fibre Channel fabric (or Fibre Channel switched fabric, FC-SW) is a switched fabric of Fibre Channel devices enabled by a Fibre Channel switch. Fabrics are normally subdivided by Fibre Channel zoning.Each fabric has a name server and provides other services. Higher redundancy over FC-AL, P2P.Which path selection protocol is used by Fibre Channel fabrics?（） ["OSPF","RIP","FSPF","VSAN"]
What is one of the reasons that custom QoS ACLs are recommended over automatic QoS when configuring ports on a Catalyst 6500 for use with IP phones？（） [" 79xx IP phones do not automatically mark voice packets with non-zero DSCP values."," 79xx IP phones do not mark protocol packets such as DHCP， DNS， or TFTP with non-zero DSCP values."," 79xx IP phones do not mark voice packets with optimal DSCP values."," 79xx IP phones use a custom protocol to communicate CDP information to the switch."]
混凝土冬期养护的方法主要有（）。 ["蓄热法","蒸汽加热法","冻结法","暖棚法","掺外加剂法"]
认识论信息
科学技术素养是科学素养的核心，它直接决定人们的科学活动能否顺利进行。（）
什么是商品的标准化，其包括哪些形式？
