试题详情
单项选择题登录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ADSL2

B、不支持ADSL2+

C、不支持READSL2

D、ADSL2、ADSL2+、READSL都支持

  • 关注下方微信公众号，在线模考后查看

热门试题