Download Alcatel-Lucent IP-MPLS Mobile Backhaul Transport.test-king.4A0-M01.2018-08-02.1e.91q.vcex

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Exam Alcatel-Lucent IP/MPLS Mobile Backhaul Transport
Number 4A0-M01
File Name Alcatel-Lucent IP-MPLS Mobile Backhaul Transport.test-king.4A0-M01.2018-08-02.1e.91q.vcex
Size 4.92 Mb
Posted August 02, 2018
Downloads 30

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Demo Questions

Question 1
If an IEEE 1588v2/Precision Time Protocol (PTP) v2 slave times out announce messages with the master, to which state does the slave port transition to choose another potential master?

  • A: Initial
  • B: Listening
  • C: Passive
  • D: Un-calibrated



Question 2
  

Given the configuration shown and the following conditions: 
The external reference is offline 
Reference 1 receives Quality Level (QL) - EEC1 
Reference 2 receives QL - SSU-A 
Which quality level will the SAR router advertise to its Synchronous Ethernet (SyncE) peers?

  • A: QL-DNU
  • B: QL-EEC1
  • C: QL-SSU-A
  • D: QL-PRC
  • E: QL-UNC



Question 3
  

Given the show command results shown:
Which IEEE 1588v2/Precision Time Protocol (PTP) v2 parent clock value does the slave first consider when choosing its master?

  • A: GM Clock Priority1
  • B: GM Clock ID
  • C: GM Clock Priority2
  • D: GM Clock Class



Question 4
An SROS router obtains its timing exclusively from its BITS input port. The router sets Quality Level (QL) SONET Traceability Unknown (STU) on this Superframe (SF) framed DS1 BITS reference. 
What must you configure on this master router to pass the best clock quality level to the downstream Synchronous Ethernet (SyncE) slave nodes while maintaining traceability to the DS1 source?

  • A: Enable "ql-override prs" on the BITS reference
  • B: Enable "ql-override prs" on the master's SyncE ports
  • C: Enable "ql-selection prs" on the BITS reference
  • D: Set the master router to choose its source by quality level



Question 5
  

Consider the topology and MLS1 configuration shown, and given the following conditions:
MLS1 delivers the PRC traceable clock to the network 
Reference 1 receives Quality Level (QL) - EEC1 
Reference 2 receives QL - SSU-A 
BITS sets QL-SSU-B 
Which quality level will MLS1 deliver to POC2-1 on its Synchronous Ethernet (SyncE) port 1/2/7?

  • A: QL-EEC1
  • B: QL-PRC
  • C: QL-SSU-A
  • D: QL-STU



Question 6
Which synchronization technique supports time of day and phase synchronization?

  • A: IEEE 1588 v2/Precision Time Protocol (PTP) v2
  • B: Adaptive Clock Recovery (ACR)
  • C: Time Division Multiplexing (TDM) line timing
  • D: Synchronization Ethernet (SyncE)/Synchronization Status Message (SSM)



Question 7
Which is a characteristic of the IEEE 802.3 Slow Protocol?

  • A: There are a maximum of 10 frames transmitted per second
  • B: There are a maximum of 20 slow protocol subtypes per interface
  • C: The maximum slow protocol frame size is 64 bytes
  • D: The slow protocol header carries the clock quality level



Question 8
Which statement best describes phase synchronization as it is used in the backhaul transport?

  • A: The master and slave clocks cycle at a rate within 50 parts per billion (ppb)
  • B: The master and slave clock frames start within +/- 500 nanoseconds
  • C: The slave clock sets its clock frequency to the incoming bit rate
  • D: The slave sets its time and date accordingly to the arriving packet rate



Question 9
Which command example correctly configures a 7750 Service Router (SR) for Synchronous Ethernet (SyncE) support?

  • A: configure card 1 mda 1 sync-e
  • B: configure card 1 ethernet sync-e
  • C: configure system sync-if-timing sync-e no shutdown
  • D: configure port 1/1/1 ethernet sync-e no shutdown



Question 10
Which component must you configure on an IEEE 1588v2/Precision Time Protocol (PTP) v2 slave to enable it to choose its master based on Synchronization Status Message (SSM) Option 1 or Option 2 Quality Levels?

  • A: Set the PTP port to the desired ITU-T G.781 Option 1 or 2 mode
  • B: Set the SROS IEEE 1588v2 profile to IEEE 1588-2008
  • C: Set the SROS IEEE 1588v2 profile to ITU-T G.8265.1
  • D: Configure ql-override on the PTP reference entry






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