A. LEX
B. HDLC
C. GFP-F
D. PPP/BCP
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你可能感興趣的試題
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
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.
A. 10
B. 32
C. 64
D. 84
E. 96
A. line timing
B. loop timing
C. internal timing
D. through timing
E. external timing
最新試題
A 2.5 Gb/s （OC-48 or STM-16） optical signal with a dispersion tolerance of 1200 ps/nm goes through fiber with 18ps/nm*km of dispersion. How many 15216-DCU-350 equivalents are needed for enough compensation after traveling 100 km？（）
What are two important considerations when using 2- or 4-channel 15216 OADMs？（）
What is the difference between the transmitted power and the sensitivity of the receiver？ （）
Click the Exhibit button. Within an ONS 15454， you are provisioning a circuit on an unprotected SNCP ring. In the exhibit， which two must you configure？（）
The ONS 15216 is a 32-channel system. The ONS 15216 OADMs are capable of adding and dropping one， two， or four channels. How are the OADMs provisioned to add and drop specific channels？（）
What are two major differences between MS-SPRing and SNCP？（）
Click the Exhibit button. The exhibit shows a 15454/15216 DWDM system and alarm indications. What are two possible sources of trouble shown in the system？（）
What is the phenomenon called where different wavelengths of light travel at different speeds？（）
Click the Exhibit button. What is the maximum allowable loss budget between the ONS 15216 Mux （left side） composite output and the ONS 15216 Demux （right side） composite input， with the optical values given in the exhibit？ （Assume the worst case loss of 4.5 dB for 15216 200 GHz Mux/Demux and ignore power penalties or extra margin.） （）
What is an advantage of an externally modulated laser over a directly modulated laser？ （）