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单选题
临床上最危重的急症是（）
A
感染性休克
B
心力衰竭
C
呼吸衰竭
D
肾衰竭
E
心跳呼吸骤停
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更多 “单选题临床上最危重的急症是（）A 感染性休克B 心力衰竭C 呼吸衰竭D 肾衰竭E 心跳呼吸骤停” 相关考题
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多选题You are attempting to troubleshoot some problems within your local network.Which of the following are router IOS commands that can be used to troubleshoot LAN connectivity problems?（）ApingBtracertCipconfigDshow ip routeEwinipcfgFshow interfacesGAll of the above
考题
单选题What will an Ethernet switch do if it receives a unicast frame with a destination MAC that is listed in the switch table?（）A
The switch will not forward unicast frames.B
The switch will forward the frame to a specific port.C
The switch will return a copy of the frame out the source port.D
The switch will remove the destination MAC from the switch table.E
The switch will forward the frame to all ports except the port on which it was received.
考题
单选题A Cisco router has been configured, and the copy running-config startup-config command has been issued. When the router is power cycled, the router prompts with: "Would you like to enter the initial configuration dialog? [yes/no]" Why has this occurred?（）A
There is an error in the router DRAM.B
Te IOS image is corrupt.C
The configuration register is set to 0x2142.D
The TFTP server that contains the router configuration file is unreachable.E
A boot system configuration command has placed the router into setup mode.
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
单选题关于21-三体综合征下列哪项不正确（）A
本病不属于常染色体畸变B
小儿染色体病中最常见的一种C
母亲年龄越大本病的发病率越高D
60%的患儿在胎儿早期即夭折流产E
活婴中发生率约1/（600～800）
考题
单选题Which is the correct fallback sequence for loading the Cisco IOS?（）A
ROM, Flash, NVRAMB
ROM, TFTP server, FlashC
Flash, TFTP server, ROMD
Flash, NVRAM, RAM
考题
多选题Host 1 has just started up and requests a web page from web server 2. Which two statements describe steps in the process Host 1 uses to send the request to web server 2 (choose two)（）。AHost 1 addresses the frames to the MAC address of router R1BHost 1 looks in its ARP cache for the MAC address of router R1CHost 1 addresses the frames to the MAC address of web server 2DHost 1 sends the packets to router R1 to be forwarded to web server 2EHost 1 sends a broadcast ARP request to obtain the MAC address of webserver2
考题
单选题该婴儿若系人工喂养，每天营养需要正确的是（ ）。A
每天总能量2761.4KJ（660 kcal）B
每天给5%糖牛奶660mlC
每天给总液量660mlD
每天加1个鸡蛋E
每天加肉少许，饼干3块，豆浆100ml
考题
单选题Which command enables IPv6 forwarding on a cisco router？（）A
ipv6 hostB
ipv6 unicast-routingC
ipv6 localD
ipv6 neighbor
考题
单选题Which command displays CPU utilization?（）A
show protocolsB
show processC
show systemD
show version
考题
多选题A national retail chain needs to design an IP addressing scheme to support a nationwide network. The company needs a minimum of 300 sub-networks and a maximum of 50 host addresses per subnet. Working with only one Class B address, which of the following subnet masks will support an appropriate addressing scheme?（）A255.255.255.0B255.255.255.128C255.255.252.0D255.255.255.224E255.255.255.192F255.255.248.0
考题
单选题You and a co-worker have established wireless communication directly between your wireless laptops. What type of wireless topology has been created?（）A
BSSB
ESSC
IBSSD
SSID
考题
多选题What two things will a router do when running a distance vector routing protocol? （）ASend periodic updates regardless of topology changes.BSend entire routing table to all routers in the routing domain.CUse the shortest-path algorithm to the determine best path.DUpdate the routing table based on updates from their neighbors.EMaintain the topology of the entire network in its database.
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