單項選擇題

A customer has 20 E1s to add between far-end nodes in an SNCP ring. 
What type of circuit would you recommend?()

A. LO-PATH circuits
B. HO-PATH circuits
C. 1:1 protection circuits
D. 1:N protection circuits
E. LO-PATH tunnel circuits


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2.單項選擇題

A customer has 2 E1s to add between far-end nodes in an SNCP ring. 
What type of circuit should you recommend? ()

A. LO-PATH circuits
B. HO-PATH circuits
C. 1:1 protection circuits
D. 1:N protection circuits
E. LO-TUNNEL tunnel circuits

3.單項選擇題What is the correct relative switching priority in an MS-SPRing ring (higher to lower)? ()

A. signal fail, signal degrade, manual switch
B. signal degrade, signal fail, manual switch
C. protection lockout, manual switch, path AIS
D. forced switch, manual switch, signal degrade
E. protection lockout, manual switch, forced switch

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