多項(xiàng)選擇題

7300 FENT plim中,執(zhí)行命令show port info,結(jié)果信息如下。
>ATM port index (all, 32...4031): 150
----- ----------- ------ --- -------------------------------------------
Index Max-Mac-Num ASC COS Remote Id
----- ----------- ------ --- -------------------------------------------
150 4 GFR 0
根據(jù)以上信息判斷,以下說法中無法確認(rèn)的是()。

A.該端口所對應(yīng)的ATMPort為150
B.該端口所對應(yīng)的NT側(cè)VC為1/150
C.該端口所允許學(xué)到的用戶側(cè)最大的MAC數(shù)為4
D.該端口只能接收用戶側(cè)發(fā)來不帶VLANTag的以太幀
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單項(xiàng)選擇題

登錄7302 cli,以下是命令info spectrum-profile detail執(zhí)行后的一部分結(jié)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
#-----------------------------------------------------------------------------------------------------------------------------------
根據(jù)以上信息判斷,有關(guān)該profile支持的dsl模式,以下說法中正確的是()。

A.不支持ADSL2
B.不支持ADSL2+
C.不支持READSL2
D.ADSL2、ADSL2+、READSL都支持

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