Download Nokia Quality of Service.4A0-107.PrepAway.2019-07-01.78q.vcex

Vendor: Nokia
Exam Code: 4A0-107
Exam Name: Nokia Quality of Service
Date: Jul 01, 2019
File Size: 2 MB
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Demo Questions

Question 1
Which of the following are major components of QoS functionality on the Nokia 7750 SR? (Choose three)
  1. Microflow reservations using RSVP
  2. DSCP to EXP translation
  3. Traffic classification
  4. Automatic profiling and policy configuration
  5. Buffer memory management
  6. Traffic scheduling
Correct answer: CEF
Question 2
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 3
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 4
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 5
Which of the following are possible criteria for classifying packets at the network port ingress on the Nokia 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 6
A default network policy is applied to all router interfaces associated with network ports.
  1. TRUE
  2. FALSE
Correct answer: A
Question 7
Which of the following are NOT ingress matching criteria for a network policy? (Choose two)
  1. TCP port numbers
  2. LSP EXP
  3. DSCP
  4. Source and destination IP addresses
  5. Dot1p priority
Correct answer: AD
Question 8
Click the exhibit button below. A partial SAP-ingress policy configuration is shown below. A UDP video stream is sent to a PC with IP address 192.168.1.100. Given the SAP-ingress policy, to which forwarding class is the traffic matched? 
  
  1. AF
  2. EF
  3. H2
  4. H1
  5. BE
Correct answer: B
Question 9
On a Nokia IOM 3, how is buffer memory allocated per forwarding complex?
  1. 512 MB ingress, 512 MB egress
  2. 256 MB ingress, 256 MB egress
  3. 1 GB dynamically allocated between ingress and egress.
  4. 768 MB dynamically allocated between ingress and egress.
  5. 768 MB, with a minimum of 256 MB ingress and egress, and an additional 256 MB dynamically allocated.
Correct answer: D
Question 10
WRED can be used to help avoid TCP slow-start synch problems.
  1. TRUE
  2. FALSE
Correct answer: A
Explanation:
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