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单选题
患儿女，5岁。2天前高热，体温39℃，近日全身出现红斑疹、丘疹，躯干部最多，四肢少，部分结痂。心肺正常。患儿最可能出现（）
A
麻疹
B
水痘
C
幼儿急疹
D
猩红热
E
风疹
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考题
单选题What is one reason that WPA encryption is preferred over WEP?（）A
A WPA key is longer and requires more special characters than the WEP key.B
The access point and the client are manually configured with different WPA key values.C
WPA key values remain the same until the client configuration is changed.D
The values of WPA keys can change dynamically while the system is used.
考题
多选题In the communications industry, what are the features and benefits of using the layered OSI model?（）AIt encourages industry standardization by defining what functions occur at each layer of the model.BIt necessitates changes in functionality in one layer to other layers.CIt enables equipment efficiency from different vendors to use the same electronic components.DIt divides the network communication process into smaller and simpler components, thus aiding component development, design, and troubleshooting.EIt supports the evolution of multiple competing standards, and thus enhances business equipment manufacturing opportunities.
考题
单选题女，8个月。因进食过量发生腹泻，6～10次／日，体温37.9℃，精神弱，前囟略凹，尿量稍减少。大便镜检：少量脂肪球，血清钠140mmol/L。患儿首优的护理问题（）A
腹泻B
有体液不足的危险C
体温过高D
有皮肤完整性受损的危险E
营养不足
考题
单选题Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet（）。A
Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link.B
Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signal.C
Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth.D
Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive.
考题
单选题What is the function of the command switchport trunk native vlan 999 on a switch?（）A
It designates VLAN 999 for untagged traffic.B
It blocks VLAN 999 traffic from passing on the trunk.C
It creates a VLAN 999 interface.D
It designates VLAN 999 as the default for all unkown tagged traffic.
考题
单选题When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?（）A
show ip access-listB
show access-listC
list ip interfaceD
show interfaceE
show ip interface
考题
单选题患儿女，7岁。低热、轻咳3周。查体：体温38.5℃，营养差，左背下部听诊呼吸音减低，接种过卡介苗，PPD试验（+++）。其弟弟3岁，无症状，但PPD试验（+++），胸片正常，宜采取的措施是（）A
口服异烟肼6个月B
注射丁胺卡那2周C
口服利福平6个月D
口服利福平+异烟肼6个月E
口服利福平+异烟肼4个月
考题
单选题细菌性肺炎抗生素应用一般用至（）A
体温正常后3～5天，肺部体征基本消失B
体温正常后5～7天，肺部体征基本消失C
体温正常后7～10天，肺部体征基本消失D
体温正常后10～14天，肺部体征基本消失E
体温正常后14～16天，肺部体征基本消失
考题
单选题Which command sets and automatically encrypts the privileged enable mode password?（）A
enbale password c1scoB
secret enable c1scoC
password enable c1scoD
enable secret c1sco
考题
单选题有关细菌性痢疾下列哪项是错误的（）A
菌痢常见致病菌为福氏痢疾杆菌，宋内氏次之B
依链痢疾杆菌活菌苗可用作人工主动免疫C
菌痢是属于侵袭性腹泻D
所有的痢疾杆菌只有内毒素E
菌痢主要病变部位是直肠，乙状结肠
考题
多选题配置DCC的目的是为了实现按需拨号，即只在有数据要发送的时候才开始拨号建立连接，所以要配置一个开始拨号的触发条件的命令是（）。AaclBdialer enable-circularCdialer-groupDdialer-rule
考题
多选题Although TCP segments differ from UDP segments, they both contain some common fields. What two segments do they share in common?（）Asource addressBoptionsCsequence numberDsourcesEdestination portFchecksum
考题
单选题该患儿若行空气灌肠复位，压力表应（ ）。A
不超过110～120mmHgB
不超过80～90mmHgC
不超过100～110mmHgD
不超过90～100mmHgE
不超过120～130mmHg
考题
单选题Refer to the exhibit:The technician wants to upload a new IOS in the router while keeping the existing IOS. What is the maximum size of an IOS file that could be loaded if the original IOS is also kept in flash?（）A
3MBB
4MBC
5MBD
7MBE
8MB
考题
单选题Stream ciphers run on which of the following？（）A
Fixed-length groups of digits called blocksB
Individual blocks，one at a time，with the transformations varying during the encryptionC
Individual digits，one at a time，with the transformations varying during the encryptionD
Fixed-length groups of bits called blocks
考题
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.
考题
多选题Which of the following correctly describe steps in the OSI data encapsulation process?（）AThe transport layer divides a data stream into segments and may add reliability and flow control information.BThe data link layer adds physical source and destination addresses and an FCS to the segment.CPackets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.DPackets are created when the network layer adds Layer 3 addresses and control information to a segment.EThe presentation layer translates bits into voltages for transmission across the physical link.
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