• 单选题 A customer wants to create a 1:1 protection group with a DS3N-12 card. Which card slots would allow for a 1:1 protection?（）

  标签：CCNP(642-311) 2023-03-07 17:54

• 多选题 What are three relevant design considerations when using the 15216 EDFA? （）(Choose three.)

  标签：CCNP(642-311) 2022-01-11 05:27

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

  标签：CCNP(642-311) 2022-01-10 18:00

• 多选题 Click the Exhibit button. Within an ONS 15454, you are provisioning a circuit on an unprotected UPSR ring. In the exhibit, which two must you configure?（） (Choose two.)

  标签：CCNP(642-311) 2022-01-04 17:33

• 多选题 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?（） (Choose two.)

  标签：CCNP(642-311) 2022-01-04 17:33

• 多选题 Click the Exhibit button. When designing a DWDM system with multiple amplified spans, a pre-amp is needed at Site B to （）. (Choose three.)

  标签：CCNP(642-311) 2022-01-04 17:33

• 单选题 For lasers with tightly controlled wavelengths, approximately how far apart are the centers of adjacent wavelengths when 100 GHz spacing is used in a DWDM system?（）

  标签：CCNP(642-311) 2022-01-04 08:02

• 单选题 Which timing mode is appropriate for a SONET NE that is adjacent to a SONET NE using BITS-1 timing source?（）

  标签：CCNP(642-311) 2022-01-03 19:29

• 单选题 A customer has 2 DS1s to add between adjacent nodes in a UPSR ring. What type of circuit should you recommend?（）

  标签：CCNP(642-311) 2022-01-03 17:05

• 单选题 You are installing a Cisco ONS 15454 in a service provider site. A DS3 cable is to be connected to a digital cross-connect system. What is the maximum distance allowed between the two?（）

  标签：CCNP(642-311) 2022-01-03 16:24

• 多选题 What are three factors that limit the maximum distance of an amplified optical signal without regeneration? （）(Choose three.)

  标签：CCNP(642-311) 2022-01-03 16:24

• 单选题 If the power is 0 dBm, what is the power in mW?（）

  标签：CCNP(642-311) 2022-01-03 07:11

• 单选题 Scrambling of SONET signals is done to （）.

  标签：CCNP(642-311) 2022-01-03 03:12

• 单选题 What is the phenomenon called where different wavelengths of light travel at different speeds?（）

  标签：CCNP(642-311) 2022-01-03 01:31

• 单选题 Click the Exhibit button. Which type of protection is shown in the exhibit?（）

  标签：CCNP(642-311) 2022-01-02 07:41

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