CCNA系列认证 题目列表
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?（）Aimplementation ratings determinedBspecific products and technology availableCbenefits to the business decidedDbusiness capabilities enabledEbusiness challenges identified
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
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
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
单选题How are VTP advertisements delivered to switches across the network?（）Aanycast framesBmulticast framesCbroadcast framesDunicast frames
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（）。AThe port is experiencing errorsBThe port is administratively disabledCThe port is blocked by spanning treeDThe port has an active link with normal traffic activity
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
单选题Choose the element that differentiates the Cisco SBCS solution from the competing Avaya IP Office and Nortel BCM 50 solutions.（）ASBCS providesPoE through a modular upgrade.BSBCS supports more analog trunks than the competitors.COnly SBCS provides bundled conference calling.DOnly SBCS provides a wireless option.
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