Alcatel Lucent 4A0-107 Nokia Quality of Service Online Training
Alcatel Lucent 4A0-107 Online Training
The questions for 4A0-107 were last updated at Feb 17,2025.
- Exam Code: 4A0-107
- Exam Name: Nokia Quality of Service
- Certification Provider: Alcatel Lucent
- Latest update: Feb 17,2025
A physical port has three associated buffer pools.
Which of the following buffer pool combinations is associated to a physical port?
- A . Access ingress, access egress, network egress
- B . Access ingress, network ingress, network egress
- C . Port ingress, port egress, shared bi-directional
- D . Port ingress, port egress, network egress
- E . Port ingress, network ingress, network egress
Which of the following are the minimum requirements needed to classify traffic marked with DSCP AF11, AF12, and AF13 into the AF forwarding class and provide fair treatment to the drop precedence settings? (Choose three)
- A . Profile mode queues
- B . Priority mode queues
- C . 1 queue
- D . 3 queues
- E . 3 forwarding classes
- F . 1 forwarding class, with 2 subclasses
- G . 1 forwarding class, with 3 subclasses
Forwarding subclasses are only relevant to, and are therefore applied within the context of, a _____________policy.
- A . network
- B . scheduling
- C . slope
- D . SAP-ingress
- E . network-queue
To manage the shared buffer space at network ports, slope policies are applied on _________ for the ingress direction, and on ________ or _________ for the egress direction.
- A . Interfaces, ports, SAPs
- B . Ports, ports, MDAs
- C . MDAs, MDAs, ports
- D . Interfaces, interfaces. MDAs
- E . MDAs, ports, interfaces
Click the exhibit button below.
A service provider has applied the SAP-ingress policy configuration below on his customer’s SAP. The service provider notices that all of the customer’s traffic is being dropped at the SAP-ingress.
Which of the following actions can resolve the problem, if applied on its own? (Choose three)
- A . Set the CIR of queue 3 to a non-zero value corresponding to the customer’s expected bandwidth requirements.
- B . Set queue 3 to use priority mode.
- C . Set the traffic classification of packets to in-profile.
- D . Set the high-priority-only value to 0.
- E . Map AF traffic to queue 1
Click the exhibit button below.
Given the scheduler-policy (below), how much bandwidth can the best-effort traffic receive (PIR and CIR) when the ingress rate of each queue is 10Mbps?
- A . PIR = 4Mbps. CIR = 1Mbps
- B . PIR = 1Mbps, CIR = 1 Mbps
- C . PIR = 10Mbps, CIR = 1Mbps
- D . PIR = 5Mbps, CIR = 1.25Mbps
- E . PIR = 1.25Mbps, CIR = 1.25Mbps
In the context of hierarchical scheduling, a scheduler is configured with a CIR weight of 0.
Which of the following statements is TRUE?
- A . The scheduler will be allocated its "within CIR" bandwidth before all other children at the same level have received their "within CIR" bandwidth.
- B . The scheduler will be allocated its "within CIR" bandwidth after all other children at the same level have received their "within CIR" bandwidth.
- C . The scheduler will be allocated its "within CIR" bandwidth after all other children at all levels have received their "within CIR" bandwidth.
- D . The scheduler will not be allocated its "within CIR" bandwidth.
Which of the following statements describe the primary objectives of the policing of traffic flows on the Nokia 7750 SR? (Choose two)
- A . Ensure that traffic flows conform to their traffic profile.
- B . Log violations of metered traffic flows exceeding the CIR value set on the entity across which the traffic is moving.
- C . Provide fairness between traffic flows, so that conforming (in-profile) traffic flows are not starved of bandwidth and/or buffer space by non-conforming (out-of-profile) flows.
- D . Minimize packet loss and reduce end to end latency.
- E . Ensure that variable latencies do not cluster short bursts of originally conforming packets and render them nonconforming.
Which of the following entities can scheduler policies be applied to? (Choose two)
- A . Network ingress port
- B . Epipe ingress SAP
- C . ES egress SAP
- D . Ingress MDA
- E . VPRN ingress interface
- F . Shared buffer space
It is necessary for Tier 1 schedulers to obtain bandwidth from a higher tier scheduler.
- A . TRUE
- B . FALSE
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