Download Nokia Quality of Service.4A0-107.ExamLabs.2020-05-12.127q.vcex

Vendor: Nokia
Exam Code: 4A0-107
Exam Name: Nokia Quality of Service
Date: May 12, 2020
File Size: 4 MB
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Demo Questions

Question 1
Which of the following are examples of metrics for QoS?
  1. Signal degradation, attenuation, line loss
  2. Latency, FIFO, WRED
  3. Delay, jitter, packet loss
  4. SNR, queue depth, latency
  5. Attenuation, dispersion, latency
Correct answer: C
Question 2
What is the 6-bit binary representation of DSCP value AF21?
  1. 010011
  2. 100010
  3. 010001
  4. 001100
  5. 010010
Correct answer: E
Question 3
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 4
Which of the following can be used as classifiers of customer traffic? (Choose three)
  1. DSCP value
  2. 802.1p value
  3. IP DF bit
  4. TCP/UDP port numbers
  5. HTML version number
Correct answer: ABD
Question 5
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 6
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 7
Click the exhibit button below. 
  
Based on the configuration shown below, name the forwarding class to be associated with a TCP packet encapsulated inside an Ethernet frame that arrives on SAP 1/1/5 with the following characteristics: 
Destination IP address = 120.110.1.1 
TCP port number = 23 
DSCP value = nc1 
Dot1pvalue = 3
  1. H2
  2. NC
  3. L2
  4. EF
  5. H1
  6. BE
Correct answer: C
Question 8
A default network policy is applied to all router interfaces associated with network ports.
  1. TRUE
  2. FALSE
Correct answer: A
Question 9
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 10
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
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