单项选择题

What protocol enables Ethernet over SONET/SDH encapsulation interoperability between the G-series and ML-series Ethernet cards？（）

A. LEX
B. HDLC
C. GFP-F
D. PPP/BCP

<上一题目录下一题>

热门试题

单项选择题

You are provisioning an E-1 circuit on an ONS 15454 MS-SPRing configuration and XC-VXL-10G card. Each VC-12 connection must also terminate via the VC-3 matrix. How many VC-3 ports remain after this circuit is created， assuming no other circuits？（）

A. 92
B. 93
C. 94
D. 95
E. 96

单项选择题

Whatisthedifferencebetween1+1and1：1protectionswitching？（）

A. 1+1 is based on APS， while 1：1 is based on IPS.
B. 1：1 is used in SNCP switching， while 1+1 is used in MS-SPRing switching.
C. 1+1 sends signals on Working and Protect paths， while 1：1 sends signals only on Working path.
D. 1+1 sends signals on Working path ONLY， while 1：1 sends signals on both Working and Protect paths.