2024儿科护理专业知识真题模拟03-23

1、患儿，1岁，高热，呕吐10小时。面色灰暗，嗜睡，前囟隆起，颈软，怀疑化脓性脑膜炎，为协助诊断最重要的检查是（）（单选题）

A. 血培养

B. 脑脊液

C. 血常规

D. 大便常规

E. 咽拭子培养

试题答案：B

2、Which port state is introduced by Rapid-PVST?（）（单选题）

A. learning

B. listening

C. discarding

D. forwarding

试题答案：C

3、 Refer to the exhibit. Which statement is true?（） （单选题）

A. The Fa0/11 role confirms that SwitchA is the root bridge for VLAN 20.

B. VLAN 20 is running the Per VLAN Spanning Tree Protocol.

C. The MAC address of the root bridge is 0017.596d.1580.

D. SwitchA is not the root bridge, because not all of the interface roles are designated.

试题答案：D

4、Cisco自防御网络策略提供（）安全服务（多选题）

A. 威胁控制和遏止

B. 安全通信

C. 安全策略

D. 运营控制和策略管理

试题答案：A,B,D

5、As a frame leaves a Layer 3 device, the Layer 2 encapsulation information is changed from what it was when it entered the devicE.For what two reasons can this happen? （）（多选题）

A. The data is moving from 10BASE-TX to 100BASE-TX.

B. The WAN encapsulation type has changed.

C. The data format has changed from analog to digital.

D. The source and destination hosts are in the same subnet.

E. The source and destination MAC addresses have changed.

试题答案：B,D