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思科Optical 642-311认证考题
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  1.Drag Drop question

思科Optical 642-311认证考题

  Drag and drop question. Drag the items to the proper locations.

  Correct Answers:

思科Optical 642-311认证考题

  2.Drag Drop question

思科Optical 642-311认证考题

  Drag and drop question. Drag the items to the proper locations.

  Correct Answers:

思科Optical 642-311认证考题

  3.A customer has 2 DS1s to add between adjacent nodes in a UPSR ring. What type of circuit should you recommend?

  A: VT circuits

  B: STS circuits

  C: VT tunnel circuits

  D: 1:1 protection circuits

  E: 1:N protection circuits

  Correct Answers: A

  4.Click the Exhibit button. A customer has several interconnected core rings (see exhibit). They want to create several irtual rings?utilizing their OC-192 backbone (nodes 1,2,3,4). What should you recommend?

思科Optical 642-311认证考题

  A: PPMN with BLSR rings

  B: PPMN with UPSR rings

  C: 1:N protection on all core circuits

  D: multi-ring interconnect with BLSR rings

  Correct Answers: B

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

  A:dispersion

  B:Optical SNR

  C:span attenuation

  D:four wave mixing

  E:receiver sensitivity

  Correct Answers: B, C, E

  6.In order to avoid misconnections due to a failed node in a Bidirectional Line Switched Ring (BLSR), Alarm Indication Signals (AISs) are sent on every channel normally terminating in that node. What is the name of this process?

  A: trunking

  B: squelching

  C: nodal bypass

  D: bridge and roll

  E: node failure insertion

  Correct Answers: B

  7.Which timing mode is appropriate for a SONET NE that is adjacent to a SONET NE using BITS-1 timing source?

  A: DUS

  B: line timing

  C: loop timing

  D: internal timing

  E: through timing

  Correct Answers: B

  8.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?

  A: 225 ft

  B: 450 ft

  C: 655 ft

  D: 900 ft

  Correct Answers: B

  9.You are provisioning a DS-1 circuit on an ONS 15454 2F-BLSR with a XC-10G card. Each VT1.5 connection must also terminate via the STS matrix. On the originating circuit node, how many STS ports are now available for VT1.5 circuits?

  A: 2

  B: 3

  C: 4

  D: 20

  E: 22

  F: 24

  Correct Answers: E

  10.With R4.0, how many total DCC tunnel connections can each ONS 15454 support using the TCC+ card?

  A: 10

  B: 32

  C: 64

  D: 84

  E: 96

  Correct Answers: B

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