单项选择题
As an experienced technician, you are responsible for Technical Support. A customer calls to ask the best signal level and noise level for cell phone. How to respond?（）
A. -40dBm signal and -90dBm noise
B. -50dBm signal and -90dBm noise
C. -30dBm signal and -90dBm noise
D. -20dBm signal and -90dBm noise
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相关考题
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单项选择题
As an experienced technician, you are responsible for Technical Support. Which of the following descriptions is correct about the characteristic of SLB one arm mode?（）
A. This out-of-band approach supports scaling
B. SLB is not inline.
C. Mode is not as common as bridge or routed mode.
D. Return traffic requires PBR, server default gateway pointing to SLB, or client source NAT. -
单项选择题
As an experienced technician, you are responsible for infrastructure design and global configuration changes. You are asked to deploy a Voice over Wireless LAN for your company. If the cells have the same channel, the separation between them should be:（）
A.19dbm
B.10dbm
C.67dbm
D.86dbm -
单项选择题
Cisco Express Forwarding (CEF) is mainly used to increase packet switching speed, reducing the overhead and delays introduced by other routing techniques, increasing overall performance.Which of the following concerning CEF is recommended by Cisco?（）
A. Use default Layer 4 hash in core.
B. Use default Layer 3 hash in distribution.
C. Use default Layer 4 hash in distribution.
D. Use default Layer 3 hash in core and Layer 3 + Layer 4 hash in distribution layer.
