2021儿科护理专业实践能力真题模拟06-17

1、患儿男，5岁。因急性肺炎入院2天，查体：T：39℃，P：130次/min，R：25次/min，意识清楚，其余结果正常，在查体过程中突然发生意识丧失，眼球上翻，四肢出现强直性或阵挛性抽动。针对该患儿的护理措施不正确的是（）（单选题）

A. 松开衣领

B. 摇晃患儿使其清醒

C. 在上下牙间垫牙垫

D. 保持环境安静

E. 降低体温

试题答案：B

2、Which tech nology manages multicast traffic at Layer 2 by configuring Layer 2 LAN interfaces dynamically to forward multicast traffic only to those interfaces that want to receive it?（）（单选题）

A. IGMP

B. IGMP snooping

C. PIM - DM

D. DVMRP

E. MOS PF

试题答案：B

3、 Click the Exhibit button. What is the maximum allowable loss budget between the ONS 15216 Mux （left side） composite output and the ONS 15216 Demux （right side） composite input，  with the optical values given in the exhibit？ （Assume the worst case loss of 4.5 dB for 15216 200 GHz Mux/Demux and ignore power penalties or extra margin.）  （） （单选题）

A.  15 dB

B.  17 dB

C.  21 dB

D.  26 dB

E.  27 dB

试题答案：B

4、 Exhibit： Assuming that VLAN 1 and VLAN 2 traffic is enabled on the above network， what effect will thefollowing command have when entered on port 0/2 on switch SWA？（） spanning-tree vlan 1 port-priority 16 （单选题）

A. VLAN 1 traffic will be blocked on Switch SWB port 1/1

B. VLAN 2 traffic will be blocked on Switch SWB port 1/1

C. VLAN 2 traffic will be blocked on Switch SWA port 0/2

D. VLAN 1 and 2 traffic will be blocked on Switch SWA port 0/1

E. VLAN 1 and 2 traffic will be blocked on Switch SWA port 0/2

试题答案：暂无答案

5、Routers R1 and R2 are OSPF neighbors using their Fa0/0 interfaces, respectively, using default settings for all timers. An engineer ad ds the ip ospf hello - interval 6 command to R1's Fa0/0 configuration. Which of the following is true regarding the results from this change?（）（多选题）

A. The show ip ospf neighbor command on R1 lists the revised Hello timer

B. The show ip ospf interfac e brief command on R1 lists the revised Hello timer

C. The R1 - R2 neighborship fails due to Hello timer mismatcH

D. The show ip ospf interface command on R1 lists the revised Hello timer

试题答案：C,D