问题：单选题患儿，男，18个月，出生后即出现喂养困难，吸吮时气急，苍白，1年来已5次肺部感染，查体：生长发育落后，胸骨左缘第3～4肋间可闻及Ⅲ～Ⅳ级粗糙的全收缩期杂音，肺动脉第二音增强。心电图示左右心室均肥大。可能的诊断是（ ）。A 房间隔缺损B 室间隔缺损C 动脉导管未闭D 法洛四联症E 肺动脉狭窄
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问题：多选题OSPF routing uses the concept of areas. What are the characteristics of OSPF areas?（）AEach OSPF area requires a loopback interface to be configured. BAreas may be assigned any number from 0 to 65535.CArea 0 is called the backbone area.DHierarchical OSPF networks do not require multiple areas.EMultiple OSPF areas must connect to area 0.FSingle area OSPF networks must be configured in area 1.
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：单选题胎儿通过羊水感染导致感染性肺炎的主要致病菌是（）A 葡萄球菌B 铜绿假单胞菌C 大肠埃希菌D 破伤风杆菌E B族链球菌
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：单选题护士在观察肺炎患儿的病情时发现患儿发热持续不退，中毒症状加重，呼吸困难，频繁咳嗽，咳出大量脓痰，多提示可能并发了（）A 心力衰竭B 呼吸衰竭C 肺大疱D 肺脓肿E 肺不张
问题：单选题患儿8个月，因上感发热，体温39.8℃，突然出现双眼凝视，意识丧失，全身抽搐。该患儿惊厥的原冈可能是（ ）。A B C D E
问题：单选题2岁以后小儿的肾脏位置可达（）A 髂嵴以下平第4腰椎B 髂嵴以上C 受压及扭曲D 自主排尿E 耻骨联合以上
问题：单选题VLAN 3 is not yet configured on your switch. What happens if you set the switchport access vlan3 commmand interface configuration mode？（）A The command is accepted and the respective VLAN is added to vlan dat.B The command is rejected.C The command is accepted and you must configure the VLAN manually.D The port turns amber.
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：判断题ARP是一个使用广播的地址解析协议，并且使用了ARP高速缓存，原因是使用广播会耗费大量带宽。A 对B 错
问题：单选题What is the purpose of assigning an IP address to a switch?（）A Provides local hosts with a default gateway addressB Allows remote management of the switch.C Allows the switch to respond to ARP requests between two hostsD Ensures that hosts on the same LAN can communicate with each other.
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：单选题治疗小儿结核病，选用的是下列哪项标准疗法？（ ）A 利福平＋吡嗪酰胺，疗程6个月左右B 异烟肼＋吡嗪酰胺，疗程9～12个月左右C 异烟肼＋利福平＋吡嗪酰胺，疗程6个月左右D 利福平＋吡嗪酰胺，疗程9～12个月左右E 异烟肼＋利福平＋吡嗪酰胺，疗程12～18个月左右
问题：单选题抗结核药物属于抑菌药的是（）A 异烟肼B 利福平C 链霉素D 乙胺丁醇E 吡嗪酰胺
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On which types of network will OSPF elect a backup designated router（）。A point-to-point and multiaccessB point-to-multipoint and multiaccessC point-to-point and point-to-multipointD nonbroadcast and broadcast multipointE nonbroadcast and broadcast multiaccess
问题：单选题新生儿破伤风最早出现的症状是（）A 张口及吸吮困难B 牙关紧闭C 全身痉挛D 角弓反张E 呼吸衰竭
问题：单选题小儿生理性贫血多发生于（）A 生后4～6天B 生后3个月C 生后4～6岁D 7岁E 8岁
