问题:单选题新生儿食管下端贲门肌发育不成熟,常发生胃食管反流,一般在小儿多大时症状可消失()A 2~4个月B 4~6个月C 6~8个月D 8~10个月E 10~12个月
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问题:单选题通过console口向Quidway路由器发送升级程序时,应选用的协议是()。A XmodemB YmodemC ZmodemD Ymodem-G
问题:单选题学龄前期常见的心理行为问题是( )。A B C D E
问题:单选题风湿热的临床表现下列哪项除外?( )A 心动过速、心律失常B 环形红斑C 皮下结节D 舞蹈病E 肝脾淋巴结肿大
问题:多选题Which of the following IP addresses fall into the CIDR block of 115.54.4.0/22? ()A115.54.8.32B115.54.7.64C115.54.6.255D115.54.3.32E115.54.5.128F115.54.12.128
问题:多选题Routers perform which of the following functions?()APacket switchingBCollision prevention on a LAN segment.CPacket filteringDBroadcast domain enlargementEBroadcast forwardingFInternetwork communication
问题:单选题属于意识障碍的表现是()A 布鲁津斯基征阳性B 巴宾斯基征阳性C 前囟饱满D 嗜睡、昏迷E 双侧瞳孔不等大
问题:单选题On the assumption that every OSPF router in a particular area is configured with there is no loopback interface set?()A The IP address of the first Fast Ethernet interface.B The IP address of the console management interface.C The highest IP address among its active interfaces.D The lowest IP address among its active interfaces.E There will be no router ID until a loopback interface is configured.
问题:单选题患儿,10个月。因惊厥发作多次来院诊治。患儿系人工喂养,体质较弱。昨日起突然发生惊厥,表现为两眼上翻,肢体抽搐,意识不清,小便失禁,每次发生约持续1分钟左右而自然缓解,抽搐停止后一切活动如常。检查:体温37℃,除见方颅、枕秃外,其他无特殊发现。为明确诊断,最有意义的实验室检查是()A 血钙B 血磷C 血糖D 血沉E 碱性磷酸酶
问题:多选题Which two statements are true about the command ip route 172.16.3.0 255.255.255.0 192.168.2.4?()AIt establishes a static route to the 172.16.3.0 network.BIt establishes a static route to the 192.168.2.0 network.CIt configures the router to send any traffic for an unknown destination to the 172.16.3.0 network.DIt configures the router to send any traffic for an unknown destination out the interface with the address 192.168.2.4.EIt uses the default administrative distance.FIt is a route that would be used last if other routes to the same destination exist.
问题:单选题Which IEEE standard protocol is initiated as a result of successful DTP completion in a switch over FastEthernet?()A 802.3adB 802.1wC 802.1QD 802.1d
问题:单选题患儿男,3岁半。发热4天,伴咳嗽,流涕,眼结膜充血,流泪,半天前发现患儿耳后,颈部,发缘有稀疏的不规则红色丘斑疹,疹间皮肤正常,体温40℃,心肺正常。应隔离至出疹后()A 3天B 5天C 7天D 10天E 14天
问题:单选题路由器的数据连路层收到报文的MTU大于该路由器将要发出接口的最大MTU时,采取的策略是()。A 丢掉该分组B 将该分组分片C 向源路由器发出请求,减小其分组大小D 直接转发该分组
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:多选题What are two ways with which a small business can keep a wireless business separate and secure from a wireless guest access network? ()Aauto-channel selectionBWMM QoSC802.11F roamingDmultiple BSSIDsE802.1Q VLANsFAP detection
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
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:单选题从出生至生后2~3个月,婴儿体内红细胞和血红蛋白数量变化为()A 降低B 升高C 保持不变D 正常或增多E 正常或减少
问题:单选题At which layer of the OSI model is RSTP used to prevent loops?()A data linkB networkC physicalD transport
问题:多选题On what kinds of networks does OSPF elect a backup designated router?()APoint-to-pointBPoint to multipointCBroadcastDNon-broadcast multi-access