2021儿科护理专业知识真题模拟05-11

1、心肺复苏时，心外按压与人工通气的比，单人操作时是（）（单选题）

A. 15：2

B. 20：2

C. 30：2

D. 15：1

E. 30：1

试题答案：C

2、A network administrator must configure 200 switch ports to accept traffic from only the currently attached host devices. What would be the most efficient way to configure MAC-level security on all these ports?（）（单选题）

A. Visually verify the MAC addresses and then telnet to the switches to enter the switchport-port security mac-address command

B. Have end users e-mail their MAC addresses. Telnet to the switch to enter the switchport-port security mac-address command

C. Use the switchport port-security MAC address sticky command on all the switch ports that have end devices connected to them

D. Use show mac-address-table to determine the addresses that are associated with each port and then enter the commands on each switch for MAC address port-security

试题答案：C

3、（）是主要的SAN传输技术（多选题）

A. 光纤通道

B. FDDI

C. iSCSI

D. FCIP

试题答案：A,C,D

4、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?（）（多选题）

A. 255.255.255.0

B. 255.255.255.128

C. 255.255.252.0

D. 255.255.255.224

E. 255.255.255.192

F. 255.255.248.0

试题答案：B,E

5、An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location? （）（多选题）

A. The switch must be configured with an IP address, subnet mask, and default gateway.

B. The switch must be connected to a router over a VLAN trunk.

C. The switch must be reachable through a port connected to its management VLAN.

D. The switch console port must be connected to the Ethernet LAN.

E. The switch management VLAN must be created and have a membership of at least one switch port.

F. The switch must be fully configured as an SMTP agent.

试题答案：A,C