You have a trunk link operating between two switches and you’re experiencing problems withframes leaking between the two VLANs. Each switch has identical modules， software revisionsand VLAN configuration information. Spanning tree protocol is disabled on all VLANs. What isprobably causing this problem？（） ["The link is using IEEE 802.1Q protocol","The link is using IEEE 802.1E protocol","Spanning tree is disabled","Not enough information to determine","The native VLAN information is identical at each end of the link","The native VLAN information is different at each end of the link"]
正确处理（）是经济效益与费用识别的关键。 ["分析对象","时间跨度","有无对比","转移支付"]
赠与婚
门斗应按照其围护结构外围水平面积计算建筑面积，当其结构层高为2.10米时，应计算（）面积。 ["四分之一","零","一半","全"]
Your company has an Active Directory domain named ad.contoso.com. The domain has two domain controllers named DC1 and DC2. Both domain controllers have the DNS server role installed. You install a new DNS server named DNS1.contoso.com on the perimeter network. You configure DC1 to forward all unresorved name requests to DNS1.contoso.com. You discover that the DNS forwarding option is unavailable on DC2. You need to configure DNS forwarding on the DC2 server to point to the DNS1.contoso.com server. Which two actions should you perform（） ["Clear the DNS cache on DC2.","Delete the Root zone on DC2.","Configure conditional forwarding on DC2.","Configure the Listen On address on DC2."]
全世界的赤潮生物约有（）种左右，隶属于10个门类。我国海域存在的赤潮生约有127种，隶属于（）个门类。我国沿海已发生赤潮的赤潮生物有30多种，主要是甲藻类（）种，其次是硅藻类7种和蓝藻类（）种。
