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2021 Dec 4A0-107 question
Q1. Which of the following are examples of metrics for QoS?
A. Delay, jitter, packet loss
B. Latency, FIFO, WRED
C. Signal degradation, attenuation, line loss
D. SNR, radial CODEC inversion, latency
E. Inverse Queue Depletion, delay, packet loss
Answer: A
Q2. On the Alcatel-Lucent 7750 SR which of the following QoS related policies can be configured on a SAP? Choose all that apply.
A. Slope-policy
B. Sap-ingress policy
C. Sap-egress policy
D. Network-queue policy
E. Scheduler-policy
Answer: B, C, E
Q3. Pick from the following list the 3 major components of the QoS features on the Alcatel-Lucent 7750 SR.
A. Virtual inflow classification
B. Real-time QoS shaping
C. Traffic classification
D. 802.1q p-bit rate-limiting
E. Buffer memory management
F. Traffic scheduling
Answer: C, E, F
Q4. Which of the following statements does not describe configuration guidelines for QoS accounting policies? Choose 2 answers.
A. One service accounting policy and one network accounting policy can be defined as default
B. QoS accounting policies are enabled by default and require no configuration other than enabling the ability to parse the log file
C. If statistics collection is enabled on a SAP or a network port and no accounting policy is applied, then the respective default policy is used
D. If no default policy is defined then no statistics are collected unless an explicit accounting policy is applied
E. Accounting policies are applied system wide and do not apply to a specific entity
Answer: C, E
Q5. On the Alcatel-Lucent 7750 SR, which of the following QoS policy parameters can be overridden using QoS Runtime Instantiation? Choose 3 answers.
A. High-priority-only in the SAP-egress policy
B. Queue mode in the SAP-ingress policy
C. Adaptation Rule in the SAP-ingress policy
D. The Rate and CIR in the network queue policy
E. The parent scheduler in the scheduler policy
Answer: A, C, E
Most up-to-date 4A0-107 question:
Q6. Which of the following are Ethernet SAP encapsulation types? Choose all that apply.
A. Null
B. Dot1Q
C. Q-in-Q
D. IPCP
E. BCP-Null
F. BCPdot1.q
G. Frame Relay
Answer: A, B, C
Q7. Scheduler policies are applied to the which of the following entities? Choose all that apply.
A. Network ingress port
B. ePipe ingress SAP
C. IES egress SAP
D. Ingress MDA
E. VPRN ingress interface
F. Shared buffer space
Answer: B, C
Q8. On the Alcatel-Lucent 7750 SR, ATM traffic is classified at the ingress SAP based on what two parameters?
A. AAL5 q-bit and CLP bit
B. 802.1q outer label, impressed p-bits
C. Q-in-Q, VCI/PCI
D. Service category and CLP bit
E. FRF.5 markings, FRF.8 DLCI
Answer: D
Q9. 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
Answer: D
Q10. If a service provider does not want packets to make use of the shared buffer space when they are queued, what should be done?
A. Set the CBS to 0
B. Set the MBS equal to the CBS
C. Set the high-priority-only equal to MBS
D. Set MBS equal to 0
E. Set high-priority-only equal to 0
Answer: B