question without answers qos
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QUESTION Without Answers QoSTRANSCRIPT
QUESTION 1
QoS stands for the following
A. Quality of SignalingB. Quality of ServiceC. Quantum of SolaceD. Quality of SignalingE. Quality of SignalingF. Quantity of ServiceG. Queuing or Scheduling
QUESTION 2
In which order the following actions are executed for a packet transferred through a router?
A. Scheduling, Queuing, Marking, ClassificationB. Classification, Marking, Queuing, Scheduling C. Classification, Scheduling, Marking, Queuing D. Queuing, Marking, Classification, Scheduling
QUESTION 3
Which two QoS fields are NOT used to classify packets in a router? (Choose two)
A. EXPB. TTL C. IP precedence fieldD. ECNE. PCPF. PHB field
QUESTION 4
Which ones are Transport protocols?
A. SCTPB. ICMPC. ARPD. UDPE. SNMPF. TCP
QUESTION 5The following output was displayed on a TestKing device:While troubleshooting the installation of a new TestKing LAN device, the command output shown above wasissued. What is the meaning of the output "MTU 1500 bytes" shown above?A. The maximum number of bytes that can transverse this interface per second is 1500B. The maximum segment size that can transverse this interface is 1500 bytesC. The maximum packet size that can transverse this interface is 1500 bytesD. The maximum frame size that can transverse this interface is 1500 bytesE. None of the other alternatives apply
QUESTION 6
Put in correct order the QoS Classes from the higher to the lower priority?
A. EF, AF, BE, NCB. DF, AF, NC, EFC. NC, EF, AF, BED. BE, DF, AF, EF
QUESTION 7
Which Application Layer protocols remain unchanged in the way they interwork with both IPv4 and IPv6? (Chose two) A. DNS B. Dual stack protocolsC. SNMP D. Teredo
QUESTION 8
An administrator attempts a traceroute but receives a "Destination Unreachable" message. Which protocol is responsible for that message?
A. RARPB. RUDPC. ICMPD. SNMP
QUESTION 9
If an ethernet port on a router was assigned an IP address of 172.16.112.1/20, what is the maximum number of hosts allowed on this subnet?
A. 8190B. 4096C. 4094D. 2046E. 8190
QUESTION 10
First Generation IP networks were based on best effort approach
A. TrueB. False
QUESTION 11
A port has been configured with PWFQ scheduler for 4 queues and a maximum rate of 4 Mbps.Queue 0 has been configured with a priority 0 and a weight of 50.Queue 1 has been configured with priority 1 and weight 50.Queue 3 and 4 both have a priority of 2 but weights of 30 and 70 respectively.
At this given moment port receives the following traffic pattern:
No traffic for queue 0.1 Mb of traffic for queue 1.3 Mb for queue 3.2.5 Mb for queue 4.How much traffic will be transmitted from Queue 4
A. 2.5 MbB. 3 MbC. 0.7 MbD. 2.1 Mb
QUESTION 12
If using MPLS then the QoS information is stored in which field in the MPLS header?
A. PCPB. EXPC. TTLD. ECN
QUESTION 13
Which of the following DiffServ functions are done on the egress of a DS domain?
A. SchedulingB. MarkingC. ClassificationD. QueuingE. PolicingF. Congestion Avoidance
QUESTION 14
Which of the following DiffServ functions are done on the ingress of a DS domain?
A. SchedulingB. MarkingC. ClassificationD. QueuingE. PolicingF. Congestion Avoidance
QUESTION 15
Even if there is plenty of bandwidth available, which of the following might still cause problems in the network?
A. DelayB. JitterC. LossD. Throughput
Question 16
A port has been configured with PWFQ scheduler for 4 queues and a maximum rate of 4 Mbps.Queue 0 has been configured with a priority 0 and a weight of 50.Queue 1 has been configured with priority 1 and weight 50.Queue 3 and 4 both have a priority of 2 but weights of 30 and 70 respectively.
At this given moment port receives the following traffic pattern:
No traffic for queue 0.1 Mb of traffic for queue 1.3 Mb for queue 3.2.5 Mb for queue 4.How much traffic will be transmitted from Queue 1
A. .5 MbB. .3 MbC. 0 MbD. 1 Mb
Question 17
A port has been configured with PWFQ scheduler for 4 queues and a maximum rate of 4 Mbps.Queue 0 has been configured with a priority 0 and a weight of 50.Queue 1 has been configured with priority 1 and weight 50.Queue 3 and 4 both have a priority of 2 but weights of 60 and 40 respectively.
At this given moment port receives the following traffic pattern:
No traffic for queue 0.1 Mb of traffic for queue 1.3 Mb for queue 3.2 Mb for queue 4.How much traffic will be transmitted from Queue 4
A. .5 MbB. 3 MbC. 1 MbD. 2 Mb
Question 18Which subnet mask will allow 66 hosts in a network?
A. /25B. /26C. /27D. /28
Question 19
Mark the which statement is applicable of corresponding model
a. The path of customer packets are going to travel over is established before the packets are forwarded.b. Each router takes independent decisions based on packer header information.c. The DSCP bits are used to provide the QoS by differentiating class of traffic d. Qos is applied by adding precedence value in ToS field on a per call basis.e- Customer gets service on best approach basis.
X1-intserv X2-Diffserv
A. a-X1,b-X2,c-X2,e-X1B. a-X2,b-X2,c-X1,d-X2C. a-X1,b-X2,c-X2,e-X2D. a-X1,b-X2,c-X1,d-X2
Question 20
What is the principle reason to use a private IP address on an internal network?
A. Subnet strategy for private companies.B. Manage and scale the growth of the internal network.C. Conserve public IP addresses so that we do not run out of them.D. Allow access reserved to the devices.