B.DM is used to measure packet transport delay and delay variation from one MEP to another MEP.
C.Experimental (EX) function: send frame. for experiment use in a management domai
D.CSF is used to transmit failure signal at client layer from T-MPLS trail termination source to T-MPLS trail termination sink.
E. loopback link detectio
A.在MPLS标签栈中移除外层标签O
B.在MPLS标签栈中加入外层标签O
C.将外部标签替换成另外一个数值O
D.将外部标签替换成另-组标签
A.观察外层
B.检查内层和夹层
C.善后处理
D.检查包内物品
A.开无菌包时,核对包标签(名称、有效期、指示标签是否变色合格)
B.检查包布有无破洞、潮湿、松动
C.外层包布用手打开,内层包布用无菌持物钳或穿戴好无菌衣及手套后打开
D.单人核对包内灭菌指示卡是否达到灭菌标准
E.开包环境宽敞、清洁,离墙≥30cm;无菌包置于器械台中央
A.MPLS流量从P->PE,在P上面执行外层有标签弹出
B.MPLS流量从P2->P1->PE,在P2上面执行外层标签弹出
C.MPLS流量从P->PE,在P上面执行所有标签弹出
D.以上对不是