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January 11, 2018

Jan 2018 updated: Ucertify Alcatel-Lucent 4A0-107 exam answers 21-30

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Q21. Fill in the blank. On the Alcatel-Lucent 7750 SR, sap-ingress policies can consist of up to ___ queues per forwarding class for multipoint traffic. 

A. 64 

B. 8 

C. 3 

D. 16 

E. 1 


Q22. Which of the following is true about the SAA tool on the Alcatel-Lucent 7750 SR? Choose 2 answers. 

A. SAA allows two-way timing for several applications. This provides the carrier and their customers with data to verify that the SLA agreements are being properly enforced 

B. SAA is an accounting mechanism that is used to measure the performance of the Services platform in meeting SLA targets 

C. SAA implements two-way time measurements in requests from this node to the specified DNS server: This is done by performing an address request followed by an immediate release of the acquired address once the time measurement has been performed 

D. SAA determines the state of specific system metrics such as uptime, load and congestion and reports them in realtime to a syslog server 

Answer: A, C 

Q23. Which QoS related policy is used to enable queue rates to be dynamic? 

A. Slope-policy 

B. Sap-ingress policy 

C. Network-queue policy 

D. Scheduler-policy 

E. Network policy 


Q24. Which of the following statements are false regarding buffer pool allocation? Choose 2. 

A. Each network egress port receives its own buffer pool 

B. Each SAP-egress port receives its own buffer pool 

C. All SAP-ingress ports on the same MDA share a buffer pool 

D. All the network ingress ports on the same MDA share a buffer pool 

E. Each network ingress ports on the same MDA receives its own buffer pool 

Answer: C, E 

Q25. Which of the following are Ethernet SAP encapsulation types? Choose all that apply. 

A. Null 

B. Dot1Q 

C. Q-in-Q 


E. BCP-Null 

F. BCPdot1.q 

G. Frame Relay 

Answer: A, B, C 

Q26. A network operator has configured the SAP-ingress policy below. Ping traffic is expected to be in queue 3. However, the netwok operator notices that all traffic is put in Queue 1. What is the most 

A. The default forwarding class for all traffic, including ICMP is BE which is put in Queue 1 

B. The SAP has been shutdown 

C. The ip-match criteria has been mis-configured for ICMP traffic 

D. Queue 3 has no rate or CIR configured and thus cannot hold any packets 

E. The SAP-ingress policy has not been applied to the SAP 


Q27. Fill in the blank. With hierarchical scheduling up to ___ tiers are supported on the Alcatel-Lucent 7750 SR. 

A. 8 

B. 3 

C. 4 

D. 5 

E. 6 


Q28. Which of the following statements are true regarding the DSCP bits? Choose 3 answers. 

A. The precedence level bits define 4 Assured Forwarding Classes 

B. The three least significant bits of the DSCP bits specify the drop probability 

C. The 8 bits of the TOS field are used for DSCP 

D. To convert DSCP to IP Precedence the three most significant bits are matched 

E. DSCP provides for 64 precedence levels with 3 drop probabilities 

Answer: A, B, D 

Q29. True or False. SAA provides real-time reporting tools and logging functionality. 

A. True 

B. False 


Q30. Given the sap-ingress policy below, which of the following statements are false? 

A. Queue 5 is using priority mode 

B. UDP traffic can be serviced at a maximum rate of 20 Mbps 

C. Ping traffic is put in queue 5 

D. Queue 5 and queue 6 will receive equal portions of any remaining available bandwidth to meet their above CIR bandwidth requirements 

E. The scheduler igh must be a tier 1 scheduler 

Answer: B, D, E 

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