Cisco Quality of Service (QoS) : 642-642

Free updating in a year

10 years dedication of the 642-642 test questions: Quality of Service (QoS) is only for help you pass test. Our experts have specialized in Cisco technology and constantly upgraded the system to offer you the Quality of Service (QoS) latest test dumps. With our products, you can face any difficulties in the actual test. You will receive an email with the updated 642-642 test dumps once there are some updated within one year after you purchase.

Special offer is irregularly scheduled

One of our promotion activities is that we have irregular special offer for 642-642 test questions: Quality of Service (QoS) to return your favor. You can pay attention to our website, once there has a discount, you can join in and purchase high pass-rate Quality of Service (QoS) test dumps at a lower price. To meet demands of the new and old customers, our exam products will be sold at a reasonable price. Therefore, don't hesitate to order our Cisco 642-642 testking materials you will definitely win a bargain.
It's our great honor to support you while you have any problem about 642-642 test questions: Quality of Service (QoS), please do not hesitate to contact us. We wish you good luck to pass the Cisco Quality of Service (QoS) actual exam.

After purchase, Instant Download: Upon successful payment, Our systems will automatically send the product you have purchased to your mailbox by email. (If not received within 12 hours, please contact us. Note: don't forget to check your spam.)

Payment with Credit Card ensures your security

We are committed to provide a safe payment environment and protect every customer from personal and property harm when shopping for 642-642 test questions: Quality of Service (QoS). As is well-known, Credit Card is the most reliable and safe payment system in the world, which has brought great convenience to the public while purchasing our 642-642 pass for sure materials. Our company has a long-term cooperation with Credit Card in order to ensure your security in our payment platform. For consideration of your requirement about buying 642-642 test questions, we also improve the payment system together with Credit Card.

Regarding the process of globalization, we need to keep pace with its tendency to meet challenges. 642-642 test questions: Quality of Service (QoS) is a stepping stone for you to stand out from the crowd. Nowadays, having knowledge of Cisco technology becomes widespread, if you grasp a solid science and technology, you are sure to get a well-paid job and be promoted in a short time. Those who have got the 642-642 test questions: Quality of Service (QoS) convincingly demonstrate their abilities in this industry. Most of them give us feedback that they have learnt a lot from our 642-642 test online and think it has a lifelong benefit. They have more competitiveness among fellow workers and are easier to be appreciated by their boss. In fact, the users of our 642-642 pass for sure materials have won more than that, but a perpetual wealth of life.

Download the free trial before you pay

You have no need to worry about regretting purchasing the 642-642 pass for sure materials you don't want. It's available to freely download a part of our 642-642 test questions: Quality of Service (QoS) from our web pages before you decide to buy. We strongly suggest you to have a careful choice, for we sincere hope that you will find a suitable 642-642 test PDF to achieve success. Before you pay, you can also make clear how to use our 642-642 pass for sure materials properly in our website and any questions will be answered at once.

Cisco 642-642 Exam Syllabus Topics:

Cisco Quality of Service (QoS) Sample Questions:

Question 1

Which QoS mechanism calculates the mean queue depth to determine its operation?

A. WFQ
B. LLQ/CBWFQ
C. class-based shaping
D. WRED
E. class-based policing

Question 2

What are three methods of reducing delay for critical applications in a converged network? (Choose three.)

A. Increase all queue depths.
B. Increase link capacities.
C. Apply header compression.
D. Reduce inter-packet gaps.
E. Apply payload compression.
F. Increase LFI fragment size.

Question 3

Which three characteristics best describe a converged network? (Choose three.)

A. the separation of the voice and data networks into two networks to ensure voice quality
B. the use of overprovisioning to ensure voice quality
C. prioritization and congestion management to ensure voice quality
D. the use of a separate high-speed link for bulk traffic to avoid interference with other traffic
E. the random dropping of lower priority traffic to ensure that high-priority traffic gets through
F. the potential for poor voice quality due to other traffic

Question 4

Refer to the exhibit. Which three statements are true about the configuration? (Choose three.)
class-map class-1
match ip rtp 2024 1000
class-map class 2
match dscp 5 6 7
policy-map access-group-1-traffic
class class-1
shape peak 16000
class class-2
police 8000 1000
conform-action set-dscp-transmit 1
exceed-action set-dscp-transmit 0
violate-action drop
class class-default
fair-queue 16
queue-limit 20
interface fastethernet 0/0
service-policy output access-group1-traffic

A. Traffic that is subject to policing will have the DCSP set to 0 if the rate exceeds 1000 bps.
B. IP traffic (DSCPs 5, 6, and 7) that is sent on fastethernet 0/0 will be traffic policed.
C. IP traffic (DSCP 0) that is sent on fastethernet 0/0 will be subject to fair queuing.
D. RTP traffic (ports 2024 and 1000) that is sent on fastethernet 0/0 will be traffic shaped.
E. IP traffic (DSCPs 1, 2, 3, and 4) that is sent on fastethernet 0/0 are considered to have a violate status and are dropped.
F. Traffic that is subject to shaping can burst up to 32,000 bps.

Question 5

HOTSPOT

Solutions: