Download Nokia Virtual Private LAN Services.4A0-105.SelfTestEngine.2018-06-01.92q.vcex

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Vendor: Nokia
Exam Code: 4A0-105
Exam Name: Nokia Virtual Private LAN Services
Date: Jun 01, 2018
File Size: 3 MB
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Demo Questions

Question 1
In RSTP, an alternate port is on the same switch as a designated Port.
  1. TRUE
  2. FALSE
Correct answer: B
Question 2
Two management VPLSs have been created. mVPLS 1 and mVPLS 2. Two user VPLS services exist. uVPLS 10 and uVPLS 20. What command can be used to determine which management VPLS is managing uVPLS 10?
  1. show stp 10
  2. show service vpls 1 stp
  3. show service id 10 stp
  4. show service id 1 stp or show service id 2 stp
Correct answer: C
Question 3
How do user VPLSs become associated with a management VPLS for redundant spoke-sdp connections?
  1. The association must be defined in the user VPLS service.
  2. The association is done when the user VPLS is associated with the same sdp-id in the management VPLS
  3. The association is based on service IDs.
  4. The association is based on customer IDs.
Correct answer: B
Question 4
  
Based on the output below which of the following statements is true? (Choose 2)
  1. VPLS1500 is a user VPLS.
  2. VPLS 1500 is management VPLS.
  3. Spanning tree BPDUs for the management VPLS are tagged.
  4. Spanning tree BPDUs for the management VPLS are untagged.
Correct answer: AD
Question 5
If a management VPLS is administratively disabled what will be the status of the associated user VPLS SAPs?
  1. Regular semantics will apply. It will be as if the SAP doesn't belong to a management VPLS.
  2. All user VPLS SAPs will be disabled/pruned.
  3. It is not possible to administratively disable a management VPLS.
  4. Spanning tree will be automatically enabled on the user VPLS SAPs.
Correct answer: B
Question 6
MC-LAG is only supported on network ports.
  1. TRUE
  2. FALSE
Correct answer: B
Question 7
Which protocol is used to signal the status of the active links between the PE and the CE in MC-LAG?
  1. MSTP
  2. MCLAG
  3. LACP
  4. DHCP
  5. A proprietary protocol
Correct answer: C
Question 8
MC-LAG provides link and node protection from an MDU to 3 or more PE devices.
  1. TRUE
  2. FALSE
Correct answer: B
Question 9
  
The MDU attached to this PE has been configured with active/standby SDP's configuration option has been configured for the PE to recognize that this SDP is in standby mode?
  1. On the PE the endpoint has been configured with "supress-standby-signalling"
  2. On the PE the endpoint has been configured with "no supress-standby-signalling"
  3. On the MDU the endpoint has been configured with "supress-standby-signalling"
  4. On the MDU the endpoint has been configured with "no supress-standby-signalling1
Correct answer: D
Question 10
In Active/Standby pseudowires a failed pseudowire has recovered. Under what circumstances will the active pseudowire revert to the previously failed link?
  1. It will always revert to the previously failed link.
  2. It will never revert to the previously failed link.
  3. It will revert if the precedence of the previously failed link is set to 0 or "primary".
  4. It will revert if the precedence of the previously failed link is lower than the currently active link
Correct answer: C
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