4A0-107 Exam Questions
100 real 4A0-107 exam questions with expert-verified answers and explanations. Page 2 of 2.
- Question #51Ingress and Egress QoS
If a packet is marked on a SAP-ingress, it will be remarked at the first network egress point (if remarking is enabled in the network egress policy).
SAP-ingress markingEgress remarkingQoS mark persistenceEgress policy - Question #52QoS Fundamentals
Which of the following are trusted boundaries, by default? (Choose two)
trusted boundariesSAP typesQoS policy applicationnetwork ports - Question #53Ingress and Egress QoS
Click the exhibit button below. Given the SAP-ingress policy, which of the following statements are TRUE? (Choose three)
SAP-ingress policyTraffic markingForwarding classesQueue scheduling - Question #54Scheduling
In which of the following scenarios is self-generated traffic QoS (sgt-QoS) useful?
self-generated traffic QoScontrol plane prioritytraffic classificationpacket scheduling - Question #55QoS Fundamentals
Which of the following statements BEST describes the IntServ model?
IntServRSVPMicroflowsQoS Architecture - Question #56Policing and Shaping
Which of the following statements BEST defines policing?
PolicingMeteringPacket DiscardRate Control - Question #57Scheduling
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...
DSCP/Assured ForwardingDrop PrecedenceQueue ArchitectureForwarding Classes - Question #58Scheduling
In the context of hierarchical scheduling, a scheduler is configured with a CIR weight of 0. Which of the following statements is TRUE?
Hierarchical SchedulingCIR WeightBandwidth AllocationScheduler Behavior - Question #59QoS Fundamentals
What is the 6-bit binary representation of DSCP value AF21?
DSCPAssured ForwardingBinary ConversionQoS Marking - Question #60QoS Fundamentals
How many bits does DSCP use to provide QoS marking options?
DSCPQoS MarkingDiffServIP Header Fields - Question #61Ingress and Egress QoS
Which of the following are entities of the Alcatel-Lucent 7750 SR on which you can NOT apply a network-queue policy? (Choose three)
network-queue policy7750 SR entitiesQoS application pointsingress/egress ports - Question #62Ingress and Egress QoS
Click the exhibit button below. A network operator has configured the SAP-ingress policy below. Ping traffic is expected in queue 3. However, the network operator notices that all...
SAP ingress policyPolicy application/activationQueue mappingDefault forwarding class - Question #63Ingress and Egress QoS
Which of the following statements regarding the egress port scheduler is TRUE?
egress port schedulerHQoS hierarchyQoS structurescheduling relationships - Question #64Ingress and Egress QoS
How does an IOM3 improve the queue usage over an IOM2 in an Alcatel-Lucent 7750 SR? (Choose two)
Queue allocationForwarding complexIOM architectureDynamic resource allocation - Question #65Ingress and Egress QoS
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 custom...
SAP-ingress policytraffic classificationtraffic profilingqueue mapping - Question #66Ingress and Egress QoS
Which of the following statements BEST describes an MBS parameter?
MBSQueue DepthBuffer ManagementPacket Dropping - Question #67Policing and Shaping
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.
Slope policiesShared buffer managementIngress-Egress QoSElement configuration - Question #68QoS Fundamentals
A default network policy is applied to all router interfaces associated with network ports.
default network policyrouter interfacesQoS applicationpolicy auto-application - Question #69Ingress and Egress QoS
At which points can traffic be marked or remarked on the Alcatel-Lucent 7750? (Choose two)
traffic marking/remarkingSAP ingress/egressnetwork ingress/egress points7750 marking capabilities - Question #70QoS Fundamentals
Which of the following are characteristics of DSCP? (Choose two)
DSCPLayer 3 HeaderQoS MarkingIPv4 ToS - Question #71Policing and Shaping
Real-time rate limiting on the service ingress is a feature that performs_____________. Traffic above the defined PIR is ______________.
Rate LimitingPolicingPeak Information RateIngress Traffic Enforcement - Question #72QoS Fundamentals
Which of the following statements are TRUE when discussing self-generated traffic QoS? (Choose two)
self-generated traffic markingDSCP per-application configurationLayer 2 dot1Q taggingforwarding class manipulation - Question #73Ingress and Egress QoS
On the Alcatel-Lucent 7750 SR, how many queues per FC are available for multipoint traffic within a VPLS on service ingress?
VPLS QueuingForwarding ClassesIngress QoSMultipoint Traffic - Question #74Ingress and Egress QoS
What is the maximum number of SAP-ingress policies that can be applied on a SAP?
SAP-ingress-policiespolicy-limitsingress-QoSSAP-configuration - Question #75Scheduling
Click the exhibit button below. Given the scheduler-policy (below), which of the following can be done to guarantee that the best-effort traffic receives its configured CIR value?
CIR guaranteescheduler policyqueue weightingCIR-level configuration - Question #76QoS Fundamentals
Which of the following are major components of QoS functionality on the Alcatel-Lucent 7750 SR? (Choose three)
Traffic ClassificationBuffer ManagementSchedulingQoS Architecture - Question #77Policing and Shaping
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)
slope-policybuffer-utilizationtraffic-profilingdrop-probability - Question #78QoS Fundamentals
Which of the following statements regarding DSCP bits are TRUE? (Choose three)
DSCP structurePHB classesDrop precedenceIP precedence - Question #79Policing and Shaping
Which of the following should be performed if a service provider does not want packets to make use of the shared buffer space when queued?
Burst Size ConfigurationBuffer ManagementTraffic PolicingQueue Limits - Question #80Ingress and Egress QoS
Forwarding subclasses are only relevant to, and are therefore applied within the context of, a _____________policy.
forwarding subclassesSAP-ingress policyingress classificationQoS context - Question #81Scheduling
WRED can be used to help avoid TCP slow-start synch problems.
WREDTCP slow-startCongestion avoidanceQueue management - Question #82Ingress and Egress QoS
Which of the following statements regarding egress FC and profile over-ride are TRUE? (Choose two)
Egress QoSForwarding ClassProfile OverrideBA/MF Classification - Question #83QoS Fundamentals
Which of the following BEST describes a SAP when regarding QoS?
Service Access PointTraffic ClassificationIngress QoSInitial Classification - Question #84Ingress and Egress QoS
Click the exhibit button below. Each router is interconnected by a single GigE link, as shown in the diagram below. Note: The arrows show the direction of traffic flow. Traffic fro...
Traffic ClassificationForwarding ClassesIngress QueuingQueue Management - Question #85QoS Fundamentals
What is an SLA? (Choose two)
Service Level AgreementTraffic MarkingQoS ContractService Treatment - Question #86Scheduling
Which of the following statements regarding scheduling are TRUE? (Choose two)
Scheduler PoliciesHardware SchedulersIngress SchedulingSAP Assignment - Question #87Scheduling
Traffic assigned to forwarding classes is placed into queues, while the contents of the queues are serviced in a controlled manner using____________.
schedulersqueue servicingforwarding classesQoS pipeline - Question #88Policing and Shaping
Which of the following statements describe the primary objectives of the policing of traffic flows on the Alcatel-Lucent 7750 SR? (Choose two)
Traffic PolicingTraffic ConformanceTraffic FairnessIn-Profile Traffic - Question #89Ingress and Egress QoS
Click the exhibit button below. Given the SAP-ingress policy, which of the following statements are FALSE? (Choose three)
Queue schedulingPriority modeBandwidth limitingIngress policies - Question #90Scheduling
When allocating scheduling resources, which of the following statements BEST describes how the egress port scheduler allocates bandwidth?
Weighted Round RobinEgress SchedulingBandwidth AllocationPort Scheduler - Question #91Ingress and Egress QoS
Which of the following are possible criteria for classifying packets at the network port ingress on the Alcatel-Lucent 7750 SR? (Choose three)
MPLS EXP bitsDSCP classificationdot1p bitsIngress QoS - Question #92Ingress and Egress QoS
A packet is to be encapsulated inside an MPLS tunnel which consists of two MPLS headers at the first network egress. Which of the MPLS EXP fields will be marked?
MPLS EXPLabel StackingQoS MarkingMPLS Encapsulation - Question #93Ingress and Egress QoS
Click the exhibit button below. The service provider has both a VLL (epipe) service and a VPLS, as shown in the diagram below. At router PE B, traffic arriving from both services w...
VLL/epipe servicesVPLS servicesnetwork-queue policiesservice differentiation - Question #94Scheduling
To implement Hierarchical-QoS (Multi-tiered scheduling), which of the following actions must be undertaken? (Choose three)
Hierarchical-QoSScheduler-policySAP policiesMulti-tiered scheduling - Question #95Ingress and Egress QoS
Which of the following statements are TRUE regarding the PE device in a QoS enabled network? (Choose two)
PE device rolesTraffic classificationMacroflowsQoS ingress - Question #96Scheduling
With hierarchical scheduling, up to ___________ tiers are supported on the Alcatel-Lucent 7750 SR.
hierarchical schedulingscheduling tiers7750 SRmulti-tier QoS - Question #97Scheduling
What is the maximum number of forwarding subclasses a forwarding class can have?
Forwarding ClassesForwarding SubclassesQoS HierarchyTraffic Scheduling - Question #98Scheduling
Which of the following entities can scheduler policies be applied to? (Choose two)
scheduler policiesSAP entitiesQoS scopeingress/egress - Question #99Ingress and Egress QoS
Click the exhibit button below. Given the output of the #show pools 1/2/2 network-egress command on a GigE port, what can the service provider deduce? (Choose two)
Forwarding ClassesEgress BufferingQueue Depth AnalysisShared Buffer Pools - Question #100Scheduling
A queue is configured with the following attributes: MBS = 10KB CBS = 5KB High-Priority-Only = 30% Assume that there is no CBS overbooking and that the slope-policy is disabled. If...
MBS/CBS thresholdsbuffer pool managementin-profile packetsqueue depth