穿墙套管安装时,其底座或法兰盘不得埋入()或抹灰层内。
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The core of a network has four routers connected in a square design with Gigabit Ethernet links using /30 subnets. The network is used to carry voice traffic and other applications. Convergence time is taking more than expected. Which three actions would you take to improve OSPF convergence time?()
A. Increase MTU of the interfaces to accommodate larger OSPF packets.
B. Change the network type to point-to-point on those links.
C. Reduce SPF initial timer.
D. Increase hello interval to avoid adjacency flapping.
Enable OSPF
对隧道洞身工程的要求包括:隧道洞内应无渗漏水现象;混凝土表面应密实,任一延米的隧道面积中,蜂窝麻面面积不得超过0.5%,深度不超过10mm;结构轮廓线应顺直美观。
A. 正确
B. 错误
负责国家药品标准的组织制定和修订的机构是()
A. 各级药品检验机构
B. 国家药典委员会
C. 药品审评中心
D. 药品评价中心
E. 药品认证管理中心