Download Nokia Virtual Private LAN Services.4A0-105.CertKiller.2019-03-26.87q.vcex

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Vendor: Nokia
Exam Code: 4A0-105
Exam Name: Nokia Virtual Private LAN Services
Date: Mar 26, 2019
File Size: 3 MB
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Demo Questions

Question 1
What is the SA in the Ethernet frame used for by a layer 2 switch?
  1. MAC learning
  2. SA filtering
  3. Routing table population
  4. Frame forwarding
Correct answer: A
Question 2
What are the limitations of a traditional layer 2 switch? (Choose 3}
  1. Isolates collision domains.
  2. Requires layer 2 loop prevention.
  3. Slow response to topology changes.
  4. Limited to 4094 vlans per switch.
  5. Increased flooding.
Correct answer: BCD
Question 3
Assuming TLDP and RSVP are both being used in an MPLS network core which of the following statements is true?
  1. TLDP is used to create the inner label, RSVP is used to create the outer label.
  2. TLDP is used to create the outer label, RSVP is used to create the inner label.
  3. TLDP and RSVP cannot be used in the same network since they both provide the same label.
  4. When RSVP is used, TLDP must be disabled and static vc labels should be used.
  5. TLDP and RSVP can be used to create either labels based on how they are configured.
Correct answer: A
Question 4
Fill in the blank for this next sentence. Flooded traffic received on any ____________ in the service is replicated to other spoke SDPs and SAPs and not transmitted on any mesh SDPs.
  1. Spoke SDP
  2. Mesh SDP
  3. Either (a) or (b) will make this sentence true.
  4. Neither (a) nor (b) will make this sentence true.
Correct answer: B
Question 5
Port 1/1/1 has been configured as an access port with QinQ encapsulation. Which of the following three statements are true for ingress traffic assuming default configuration? 
(Choose 3)
  1. sap 1/1/1:*.0 is a valid sap id.
  2. sap 1/1/1:100* will accept frames with a single tag of 100.
  3. sap 1/1/1:200* will strip the top tag of 200 and the bottom tag will be transparently passed.
  4. sap 1/1/1:0* will accept all untagged frames.
  5. sap 1/1/1:0* will accept any tagged frames.
Correct answer: BCD
Question 6
Click on the exhibit below.  
  
The following VPLS services and SAPs have been configured. Which of the following statements is true?
  1. All untagged frames will be dropped.
  2. The source MAC address of a frame with a top tag of 200 and bottom tag of 300 will be populated in VPLS 3.
  3. All frames with more than one tag will be dropped.
  4. The source MAC address of a frame with a single tag of 500 will be populated in VPLS 1.
  5. The source MAC address of a frame with a top tag of 100 will be populated in VPLS 2.
Correct answer: E
Question 7
Click on the exhibit below.  
  
If the SDP between R2 and R1 goes down, what devices will be reachable from R2 through the VPLS?
  1. Only R4 will be reachable through the VPLS.
  2. All devices will be reachable through the VPLS.
  3. R4 and R3 will remain reachable.
  4. No devices will be reachable.
Correct answer: A
Question 8
What is the default service-mtu for a VPLS service?
  1. 1500
  2. 1514
  3. 1518
  4. It depends on the access port MTU.
  5. It depends on the network port MTU.
Correct answer: B
Question 9
If the command "disable-learning" has been added at the VPLS level, then MAC entries which have already been learned will not be aged.
  1. TRUE
  2. FALSE
Correct answer: B
Question 10
Click on the exhibit below.  
  
The following IP filter has been configured and applied to a SAP in a non-VPLS service. Which of the following statements is true?
  1. An error will be generated and the configuration will not be allowed.
  2. The filter entry will be ignored and traffic matching the criteria will be forwarded
  3. All traffic matching entry 20 will be dropped.
  4. Traffic matching entry 20 will be forwarded to sdp 100:1.
Correct answer: C
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