7302的Spectrum Profile中Noise Margin的 默认值是多少A、5B、6C、7D、8
7302的Spectrum Profile中Noise Margin的 默认值是多少
- A、5
- B、6
- C、7
- D、8
相关考题：
在Oracle中，将scott的资源文件改为otherprofile，下列哪个是正确的？（ ）A.ALTER PROFILE USER scott otherprofileB.ALTER otherprofile USER scottPROFILEC.ALTER USER scott PROFILE otherprofileD.ALTER scott USER PROFILE otherprofile
在最后进近过程中为垂直引导确定的一个下降剖面。（）A、In the final approach a descent profile determined for vertical guidance.B、In the final approach for vertical guidance of a descent profile determined.C、A descent profile determined for vertical guidance during a final approach.D、A descent profile during a final approach determined for vertical guidance .
登录7302 cli，以下是命令info spectrum-profile detail执行后的一部分结果信息。 #----------------------------------------------------------------------------------------------------------------------------------- echo "xdsl" #----------------------------------------------------------------------------------------------------------------------------------- spectrum-profile 1 name testing local-profile version 1 op-mode 05:01:04:01:0c:01:00:00 no min-noise-down # value=0 no min-noise-up # value=0 no trgt-noise-down # value=60 no trgt-noise-up # value=60 no max-noise-down # value=511 no max-noise-up # value=511 no carrier-mask-down # value=00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00 no carrier-mask-up # value=00:00:00:00:00:00:00:00 rf-band-list 07:12:07:d0:19:0d:ac:0e:d8:19:1b:58:1b:bc:19:27:74:27:a6:19 no modification # value=complete active adsl-adsl2 no proprietary-feat no max-agpowlev-down # value=255 no max-agpowlev-up # value=255 no max-psd-down # value=-400 no max-psd-up # value=-380 no pbo-mode no max-recv-power-up # value=255 exit re-adsl no proprietary-feat no max-agpowlev-down # value=255 no max-agpowlev-up # value=255 no max-psd-down # value=-370 no max-psd-up # value=-329 no pbo-mode no max-recv-power-up # value=255 exit adsl2-plus no proprietaty-feat no max-agpowlev-down # value=255 no max-agpowlev-up # value=255 no max-psd-down # value=-400 no max-psd-up # value=-380 no pbo-mode no max-recv-power-up # value=255 exit vdsl vdsl-band-plan b3 no adsl-band no max-agpowlev-down # value=255 no max-agpowlev-up # value=255 no psd-shape-down # value=etsi-p-cab-m1 no psd-shape-up # value=etsi-p-m1 no pbo-mode recv-psd-shape-up etsi-a exit exit #----------------------------------------------------------------------------------------------------------------------------------- 根据以上信息判断，有关该profile支持的dsl模式，以下说法中正确的是（）。A、不支持ADSL2B、不支持ADSL2+C、不支持READSL2D、ADSL2、ADSL2+、READSL都支持
登录7302 cli，以下是命令info configure system management 执行后的结果信息。 #----------------------------------------------------------------------------------------------------------------------------------- echo "system" #----------------------------------------------------------------------------------------------------------------------------------- management host-ip-address manual:172.17.4.10/28 default-route 172.17.4.1 exit exit #----------------------------------------------------------------------------------------------------------------------------------- 根据以上信息判断，以下地址中与7302管理地址不是同网段的是（）。A、172.17.4.8B、172.17.4.12C、172.17.4.14D、172.17.4.16
在Enterprise仿真参数设置中，下面属于对于移动终端属性设置的有（）A、Body LossB、Noise FigureC、Power step sizeD、Noise Rise Limit
What does a broad-spectrum interferer lower？（）A、SNRB、noise floorC、level of interferenceD、Received Signal Strength Indicator
In the OSNR model for EDFA amplifiers, SNR OUT = 1/(1/SNR IN + FhvB/P IN ), what does SNR IN represent?（）A、the signal to noise of the current optical amplifierB、the signal to noise of the previous amplifier or sourceC、the signal to noise introduced by the optical multiplexerD、the accumulated noise to signal ratio of the optical channel
Which value is NOT supported by Cisco Spectrum Expert， when checking for RF coverage？（）A、Access point received-signal strength levelB、Spectrum utilizationC、Client data rateD、In-band radio frequency interference
登录7302 cli，以下是命令info service-profile detail执行后的一部分结果信息。 service-profile 10 name testing local-profile version 1 no ra-mode-down # value=automatic no ra-mode-up # value=automatic min-bitrate-down 32 min-bitrate-up 32 plan-bitrate-down 3712 plan-bitrate-up 640 max-bitrate-down 3712 no max-bitrate-up # value=640 no max-delay-down # value=16 no max-delay-up # value=16 active exit 根据以上信息判断，该profile的下行的交织深度为（）ms。A、16B、32C、640D、无法判断
登录7302 cli，以下是命令info service-profile detail执行后的一部分结果信息。 service-profile 10 name testing local-profile version 1 no ra-mode-down # value=automatic no ra-mode-up # value=automatic min-bitrate-down 32 min-bitrate-up 32 plan-bitrate-down 3712 plan-bitrate-up 640 max-bitrate-down 3712 no max-bitrate-up # value=640 no max-delay-down # value=16 no max-delay-up # value=16 active exit 根据以上信息判断，该profile的下行最大速率为（）kbit/s。A、32B、640C、3712D、无法判断
7300 中，创建XDSL Line Spectrum Profile的命令为（）。A、ENT-PROFILE-ADSLB、ENT-PROFILE-XLNEC、ENT-PROFILE-XSRVCD、ENT-PROFILE- SERVICE
7300 中，创建ADSL Line Profile的命令为（）。A、ENT-PROFILE-ADSLB、ENT-PROFILE-XLNEC、ENT-PROFILE-XSRVCD、ENT-PROFILE- SERVICE
7300 中，创建XDSL Line Service Profile的命令为（）。A、ENT-PROFILE-ADSLB、ENT-PROFILE-XLNEC、ENT-PROFILE-XSRVCD、ENT-PROFILE- SERVICE
Which signal and noise values will result in the best phone communication with an access point？（）A、 Signal strength 0dBm， noise level 6dBmB、 Signal strength 8dBm， noise level 9dBmC、 Signal strength 4 dBm， noise level 4 dBmD、 Signal strength 6dBm， noise level 5 dBm
Which signal and noise values will result in the best phone communication with an access point?（）A、signal strength 46dBm, noise level 95dBmB、signal strength 74dBm, noise level 94dBmC、signal strength 68dBm, noise level 79dBmD、signal strength 50dBm, noise level 56dBm
名词解释题英译中：Noise pollution