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
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问题:单选题在数据链路层哪个子层用于管理在一条链路上设备间的通信()。A LLCB MACC BIG MAC
问题:单选题A router has two FastEthernet interfaces and needs to connect to four vlans in the local network.How can you accomplish this task,using the fewest physical interfaces and without decreasing network performance?()A Add two more FastEthernet interfaces.B Add a second router to handle the vlan traffic.C Use a hub to connect the four vlans with a FastEthernet interface on router.D Implement a router-on-a-stick configuration.
问题:单选题Which of the following best defines the Cisco Lifecycle Services approach()A the minimum set of services that are needed to successfully deploy and manage technology solutionB system design to help ensure selection of the most appropriate productsC business requirements and investments as they pertain to asset lifecycle managementD technology strategies and related product lifecycles that are required to ensure minimal risks and maximum return of investment
问题:填空题流控的三种方式是()、()、()。
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:单选题下列哪项不符合急性感染性喉炎的临床特点?( )A 起病急,症状重B 发热C 犬吠样咳嗽D 呼气性呼吸困难E 重者出现喉梗阻
问题:多选题What three pieces of information can be used in an extended access list to filter traffic (Choose three.)()。AprotocolBVLAN numberCTCP or UDP port numbersDsource switch port numberEsource IP address and destination IP addressFsource MAC address and destination MAC address
问题:多选题A network administrator needs to configure port security on a switch.which two statements are true?()AThe network administrator can apply port security to dynamic access portsBThe network administrator can configure static secure or sticky secure mac addresses in the voice vlan.CThe sticky learning feature allows the addition of dynamically learned addresses to the running configuration.DThe network administrator can apply port security to EtherChannels.EWhen dynamic mac address learning is enabled on an interface,the switch can learn new addresses,up to the maximum defined.
问题:单选题门诊患儿,2岁。发热、咽痛2天,体温38℃~39℃,因热不退第3天来诊。体检:体温38.5℃,精神好,咽充血,肺呼吸音清。白细胞5.8×109/L,,中性粒细胞0.4,下一步治疗应( )。A 抗生素、激素、安痛定“三联针”肌注B 静脉滴注青霉素,肌注安痛定C 服中成药、阿苯片,多饮水D 肌注青霉素、安痛定E 静脉滴注10%葡萄糖溶液500ml,肌注柴胡
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:单选题数据在网络层时,我们称之为()。A 段B 包C 位D 帧
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:单选题患儿,男,3岁,因发热、咳嗽、痰较多以支气管肺炎收入院,为改善呼吸道分泌物黏稠所致的缺氧症状最好采取()A 鼻导管间歇给氧B 氧气帐给氧C 气管插管给氧D 正压给氧E 超声雾化给氧
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