2021儿科护理专业实践能力真题模拟06-18

1、The following output occurs on Router R2. Which of the following statements can be confirmed as true based on the output from R2?（） R2# show ip policy Interface Route map Fa0/0 RM1 Fa0/1 RM2 S0/0/0 RM3（单选题）

A. R2 will forward all packets that enter Fa0/0 per the PBR configuration.

B. R2 will use route map RM2 when determining how to forward packets that exit interface Fa0/1.

C. R2 will consider using PBR for all packets exiting S0/0 /0 per route map RM3.

D. R2 will consider using PBR for all packets entering S0/0/0 per route map RM3.

试题答案：D

2、Which of the following commands on the wireless interface of a cisco 3845 integrated service router allows the ssid to broadcast？（）（单选题）

A. router（config-ssid）# enable

B. router（config-ssid）# advertise

C. router（config-ssid）# broadcast

D. router（config-ssid）# guest-mode

试题答案：D

3、You are using standalone Cisco Aironet 1400 Series Wireless Bridges for a nine-mile point-to-pointwireless link between two buildings. Which distance setting should you use for the bridgeconfigured as theroot？（）（单选题）

A. 20 km [12.4 miles]

B. 10 km [6.2 miles]

C. 5 km [3.1 miles]

D. 25 km [15.5 miles]

E. 15 km [9.3 miles]

试题答案：E

4、What is the maximum number of Cisco Catalyst 3750 Series Switches that can be united into a single manageable unit using the Cisco StackWise technology?（）（单选题）

A. 9

B. 3

C. 12

D. 6

试题答案：A

5、Which two QoS classification and marking statements are true？（）（多选题）

A.  In a Frame Relay network， delay sensitive traffic is tagged with the discard eligible （DE） bit.

B.  In an MPLS network， the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP field

C.  In an MPLS network， the MPLS EXP bits are used to identify up to 16 CoS values.

D.  The differentiated services code point （DSCP） field consists of the first three bits of the IP precedence field in the header of an IP packet.

E.  The 802.10 standard uses a three bitfield referred to as the user priority bits （PRI） to mark packets as belonging to a specific CoS.

试题答案：B,E