2022儿科护理专业实践能力真题模拟07-03

1、What statement best describes Cisco WCS support for antennas？（）（单选题）

A. Cisco WCS supports third-party antennas for location applications.

B. Access points that are defined with third-party antennas will not participate in rogue on-demand location tracking.

C. Cisco WCS supports third-party antenna gain， azimuth， and elevation progation patterns.

D. Access points that are defined with a third-party antenna in Cisco WCS will display coverage heat maps.

试题答案：B

2、In the OSNR model for EDFA amplifiers, SNR OUT = 1/(1/SNR IN + FhvB/P IN ), what does SNR IN represent?（）（单选题）

A. the signal to noise of the current optical amplifier

B. the signal to noise of the previous amplifier or source

C. the signal to noise introduced by the optical multiplexer

D. the accumulated noise to signal ratio of the optical channel

试题答案：B

3、Which configuration should be done in order to improve the performance of the Cisco Unified Wireless IP Phone 7921G in a WLAN infrastructure?（）（单选题）

A. enable aggressive load balancing

B. enable coverage hole detection

C. disable dynamic transmit power control

D. enable short preamble

试题答案：D

4、A blinking green power led indicates which of the following conditions on a cisco series 1000 lightweight access point？（）（单选题）

A. lost connection to the controller

B. duplicate ip address

C. startup

D. site survey mode

试题答案：D

5、As a Cisco Network Engineer, you have to master the knowledge of the Cisco validated Design program. Which two of the following descriptions correctly identify its features? （）(Choose two.)（多选题）

A. It strives to protect access to design documentation.

B. It facilitates customer deployments that are more predictable.

C. It facilitates customer deployments that are less reliable.

D. It incorporates products and technologies into a broad portfolio.

试题答案：B,D