讲授比较适合班级规模大一些、教学人员相对不足的场合。
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INVITE超时无响应是无应答前转和不可及前转共同的触发条件。
A. 正确
B. 错误
A system administrator has been instructed to attach storage in their client LPARs, in a Power 770, with fibre channel adapters using N_port ID virtualization (NPIV). Which of the following partitions has the minimum requirements to utilize virtual fibre channel?()
A. LPAR-A with 1Gb FC HBA and SAN connection
B. LPAR-B with 2Gb FC HBA and SAN connection
C. LPAR-C with 4Gb FC HBA and SAN connection
D. LPAR-D with 8Gb FC HBA and SAN connectio
患者,男性,45岁,车祸导致高位截瘫合并尿潴留。留置导尿的护理不正确的是()。
A. 倾倒尿液时,引流管不可高于耻骨联合
B. 每周更换集尿袋1次
C. 每周更换导尿管1次
D. 消毒尿道口自上而下,由内向外
E. 极度虚弱的患者,第1次导尿量<1000mL
风机挡板的开度和角度指示应一致,开关要灵活,各片挡板之间应留有()mm的间隙。
A. 1--2;
B. 2--3;
C. 2.5—3.5;
D. 3—3.5.