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CCNA系列认证 问题列表
问题
单选题The Solutions Recommendation Guide is a framework for creating a customized SMB solution. Inorder to create a customized solution, which two components are needed?()A
implementation ratings determinedB
specific products and technology availableC
benefits to the business decidedD
business capabilities enabledE
business challenges identified
问题
单选题患儿,女,10岁。以急性白血病入院治疗2个月。今患儿皮肤出血点、瘀斑增多,静脉注射部位出血不止。实验室检查:血小板30×10/L,凝血酶原时间延长,纤维蛋白原1.0g/L,FDP增多,3P试验阳性。次日,患儿突然出现脉搏细速,呼吸急促,口唇发绀,四肢湿冷,意识模糊,血压60/45mmHg。根据临床表现应警惕该患儿可能出现()A
溶血B
贫血C
颅内高压D
脑栓塞E
休克
问题
单选题患儿,男,11个月。发热、咳嗽2天,以肺炎收入院。入院第2天,突然烦躁不安、呼吸急促,发绀。查体:体温38℃,呼吸70次/分,心率186次/分,心音低钝,两肺细湿啰音增多,肝肋下3.5cm。该患儿此时治疗措施最关键的是()A
大剂量使用镇静剂B
间断吸氧C
使用利尿剂D
使用快速洋地黄制剂E
吸痰清理呼吸道
问题
单选题患儿,女,3岁。因败血症入院治疗。出现寒战,发绀,四肢皮肤湿冷,精神萎靡等感染性休克症状。应最先实施的急救是()A
扩充血容量B
保证呼吸道通畅C
纠正代谢紊乱D
给予扩张血管的药物E
控制感染
问题
单选题How are VTP advertisements delivered to switches across the network?()A
anycast framesB
multicast framesC
broadcast framesD
unicast frames
问题
单选题While troubleshooting a connectivity problem, a network administrator notices that a port status LED on a Cisco Catalyst series switch is alternating green and amber. Which condition could this indicate()。A
The port is experiencing errorsB
The port is administratively disabledC
The port is blocked by spanning treeD
The port has an active link with normal traffic activity
问题
单选题患儿男,1岁。腹泻3月余。患儿发病以来食欲差。查体:烦躁不安、明显消瘦、肌肉松弛,体重7.2kg,诊断为营养不良。该患儿属于()A
正常体重B
轻度营养不良C
中度营养不良D
重度营养不良E
极重度营养不良
问题
单选题Choose the element that differentiates the Cisco SBCS solution from the competing Avaya IP Office and Nortel BCM 50 solutions.()A
SBCS providesPoE through a modular upgrade.B
SBCS supports more analog trunks than the competitors.C
Only SBCS provides bundled conference calling.D
Only SBCS provides a wireless option.
问题
单选题逆向地址解析协议(Inverse ARP)的主要功能是()。A
通过网络设备的网络地址查找到设备的硬件地址B
查找连接的DLCI编号C
在帧中继网络中查找虚电路连接的对端设备的协议地址D
在帧中继网络中生成对端协议地址与DLCI的映射