Download Nokia Quality of Service.4A0-107.Train4Sure.2019-03-26.56q.vcex

Vendor: Nokia
Exam Code: 4A0-107
Exam Name: Nokia Quality of Service
Date: Mar 26, 2019
File Size: 2 MB
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Demo Questions

Question 1
The IP ToS field consists of ________ bits, of which ________are used. The _________most significant (first) bits define precedence.
  1. 8, 6, 3
  2. 8, 8, 6
  3. 16, 8, 4
  4. 8, 6, 4
  5. 24, 16, 8
Correct answer: A
Question 2
Which of the following statements regarding DSCP bits are TRUE? (Choose three)
  1. The three most significant (first) bits define 8 forwarding classes.
  2. The three least significant (last) bits of the DSCP specify the drop probability.
  3. The full 8 bits of the TOS field are used for DSCP.
  4. To convert DSCP to IP precedence, the three most significant (first) bits are matched.
  5. DSCP provides for eight drop probabilities.
Correct answer: ABD
Question 3
Which of the following are characteristics of DSCP? (Choose two)
  1. DSCP is part of the Layer 3 header.
  2. DSCP is a 6-bit field.
  3. DSCP specifies eight different priorities.
  4. DSCP specifies four precedence levels.
  5. DSCP is part of the Layer 2 header
  6. DSCP specifies 128 different per-hop behaviors.
Correct answer: AB
Question 4
What is an SLA? (Choose two)
  1. An SLA is used to provide automated, real-time testing and alarming for throughput, latency, and jitter across a provider's network.
  2. An SLA is an agreement between a customer and a provider that dictates the treatment of customer traffic across the provider's network.
  3. An SLA allows customers to control all traffic within the service provider's network by prioritizing their traffic over others as desired.
  4. An SLA allows a customer to pre-mark traffic and ensure that traffic is treated as per the agreement within the provider's network.
  5. An SLA is a standard set of network QoS policies that a provider shares to all its customers, allowing them to better understand the treatment of traffic within the provider's network.
Correct answer: BD
Question 5
Which of the following are characteristics of 802.1p? (Choose two)
  1. 802.1p adds 16 bits to the Layer 2 header,
  2. 802.1p adds 16 bits to the Layer 3 header.
  3. 802.1p specifies 64 different priority levels.
  4. 802.1p uses a field in the 802.1Q header.
  5. 802.1p uses a field in the Layer 3 IP header
  6. 802.1p defines a 3-bit Class of Service field.
Correct answer: DF
Question 6
Which of the following BEST describes a SAP when regarding QoS?
  1. A point in the network where EXP bits can be mapped to one of eight predefined FCs, each one with its own queue.
  2. A logical point in a service tunnel where all of customer traffic is aggregated.
  3. A point at which the initial classification of customer traffic occurs.
  4. A point in the network where QoS parameters are discarded in favor of lower-level hardware queuing functions, such as LLI (Link Layer Interleave).
  5. A point in the network where traffic flows from multiple different services are queued together, based on forwarding class.
Correct answer: C
Question 7
Individual application streams are considered microflows, whereas __________ are considered macroflows.
  1. SAPs
  2. SDPs
  3. Services
  4. Queues
  5. Schedulers
  6. Forwarding classes
Correct answer: F
Question 8
What is the maximum number of SAP-ingress policies that can be applied on a SAP?
  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 8
Correct answer: A
Question 9
Which of the following are possible criteria for classifying packets at the network port ingress on the Alcatel-Lucent 7750 SR? (Choose three)
  1. The EXP bits in the MPLS header.
  2. The packet's source and destination IP addresses.
  3. The packet's DSCP bits.
  4. The dot1p bits in the frame header.
  5. The ID of an SDP that is transporting the packet.
Correct answer: ACD
Question 10
A default network policy is applied to all router interfaces associated with network ports.
  1. TRUE
  2. FALSE
Correct answer: A
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