最新なNokia 4A0-107問題集（215題）、真実試験の問題を全部にカバー！

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質問 1：
Which action does the packet remarking process perform?
A. It determines the packet's forwarding class based on classification criteria
B. It modifies the current packet's forwarding class to indicate promotion or demotion
C. It modifies the current TOS, DSCP, EXP, or Dot1p marking to indicate promotion or demotion
D. It sets the TOS, DSCP, EXP, or Dot1p field based on classification criteria
正解：D

質問 2：
Forwarding subclasses are only relevant to, and are therefore applied within the context of, a
_____________policy.
A. SAP-ingress
B. scheduling
C. network
D. network-queue
E. slope
正解：A

質問 3：
Which of the following statements about configuring a hierarchical scheduler policy on a SAP is FALSE?
A. Several Tier 1, Tier 2, and Tier 3 schedulers can be defined within a policy.
B. If no parent is configured, the queue/scheduler is considered orphaned.
C. The parent must have a higher level in the hierarchy.
D. A queue's parent scheduler must be a Tier-3 scheduler.
正解：D

質問 4：
Click the exhibit button below. Given that the slope-policy (below) has been enabled and applied on a network port, which of the following statements are TRUE? (Choose three)

A. All out-of-profile traffic will be dropped before any in-profile is dropped.
B. When an in-profile packet arrives and the shared buffer utilization is at 69%, the packet will have approximately a 60% likelihood of being discarded.
C. The time average factor of 0 will discard all packets arriving in the shared buffer pool.
D. The highest probability with which an out-of-profile packet can be dropped is 20%.
E. When the shared buffer utilization reaches 51%, in-profile packets might be dropped.
正解：A,B,E

質問 5：
Individual application streams are considered microflows, whereas __________ are considered macroflows.
A. Schedulers
B. SDPs
C. Queues
D. Forwarding classes
E. SAPs
F. Services
正解：D

質問 6：
Which of the following statements are TRUE regarding the building of a QoS-enabled network? (Choose two)
A. Once a packet is classified to a forwarding class, it cannot change across the network.
B. It is important that all packets are classified in the same way at all SAP-ingress points.
C. Native IP packets entering a network port will not be marked at the first network egress by default.
D. Packet enters a node will be treated as per the local hop's configured policy.
E. Native IP packets entering a network port will be marked at the first network egress by default
F. Native IP packets entering a network port will be marked at the first network egress, regardless of the re-marking configuration.
正解：C,D

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Nokia 4A0-107 認定試験の出題範囲：

トピック	出題範囲
トピック 1	Queues and Policers: This part of the exam evaluates the knowledge of IP Network Engineers in handling traffic using queues and policers. It introduces token bucket metering, queue-based traffic shaping, and the concept of Fair Information Rate (FIR). Candidates are expected to understand the process of creating queues and directing traffic to them, differentiating between priority and profile mode queues, and configuring various types of policers. The section also includes buffer management and the use of Weighted Random Early Discard (WRED) techniques, slope policies, and queue groups for traffic redirection.
トピック 2	Traffic Classification: This section of the exam assesses the capabilities of Service Delivery Specialists and focuses on classifying incoming traffic based on QoS-related packet header fields. It includes configuration techniques for classifying traffic on SAP-ingress and network-ingress points, as well as the precedence rules for matching criteria. The section also introduces default network policies and outlines how traffic classification is managed at the egress point.
トピック 3	Hierarchical Bandwidth Allocation: This module tests the ability of Service Delivery Specialists to implement bandwidth management using hierarchical approaches. It begins with an overview of Class Fair Hierarchical Policing (CFHP), followed by enabling CFHP for both SAP and queue-group policers. It also covers Hierarchical Scheduling (H-QoS), including its activation for queues, policers, and queue groups on SAP and network interfaces. The section ends with a focus on egress port scheduling strategies for standalone and H-QoS-based queues and policers.
トピック 4	Module 5 – Marking and Remarking
トピック 5	This section evaluates the proficiency of IP Network Engineers in the marking and remarking of packet headers to support QoS policies. It includes concepts related to modifying encapsulated packet fields and handling customer packet headers in Layer-2, VPRN, and IES services. The goal is to ensure that candidates understand how marking decisions influence traffic handling within QoS-enabled services.

参照：https://networks.nokia.com/src/exam/quality-of-service

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