In the today's society of increasingly intense competition we must improve ourselves constantly. If you are determined to pass Cisco 642-642 exam and want to obtain certification ahead of others, valid exam preparation materials should be the necessity. Our 642-642 learning materials: Quality of Service (QoS) is efficient and accurate and will be suitable for you. Stop hesitating and confusing by different invalid and low-quality products, high-quality 642-642 questions and answers with reasonable price will be your wise option. Low-quality exam materials will just waste your money and time. Here, we provide the 642-642 learning materials: Quality of Service (QoS) of great reputation and credibility over the development of ten years for you with our 642-642 questions and answers.

Professional experts

We hire a group of experienced experts dedicated to designing the most effective and accurate 642-642 questions and answers for ambitious young men. In order to help users getting undesirable results all the time, they design the content of exam materials according to the trend of times with patience and professional authority. You can know after downloading our free PDF demo of the 642-642 learning materials: Quality of Service (QoS) to have a quick look of the content. Moreover, experts update the contents with the changing of the real test and news in the related field, the new updating version of 642-642 questions and answers will be sent to candidates. So examinees can download the latest version free of charge within one year after payment.

Passing the exam is not some kind of mountainous barrier or laborious task that hardly to conquer as long as you have the efficient 642-642 questions and answers to use. The smart people treat the challenge as a way to prove their ability, so we do not need to think of it as a complicated labyrinth. If you are puzzled by the Cisco 642-642 exam, let me help you with our 642-642 learning materials: Quality of Service (QoS) at every stage of your preparation progress.

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.)

High-quality exam materials

Our 642-642 learning materials: Quality of Service (QoS) gain excellent reputation and brand among the peers. By using our 642-642 questions and answers, the customers gain the passing rate up to 98%-99.8%. Moreover, we offer the PDF demo for your free downloading. If you are skeptical, after downloading 642-642 exam questions and answers, you will trust them. That is because our company is very responsible in designing and researching the Quality of Service (QoS) dumps torrent materials, so we never rest on our laurels and keep eyes on the development of the time.

Actual questions combined with digital equipment

Recent years our company gain stellar reputation and successful in customer services in this field to assist examinees with our 642-642 learning materials: Quality of Service (QoS). Besides, our 642-642 questions and answers not only are excellent in content, but cater to your preferential towards digital devices rather than test paper. So the digital devices such as mobile phone or tablets are not only the equipment for entertainment, but can be treats as convenient tools for studying. If you like the paper version of 642-642 learning materials: Quality of Service (QoS), we also provide printing requirement in some kind version: PDF version.

Our 642-642 questions and answers with high quality and passing rate can bolster hour confidence to clear exam more certainly. You will not be disappointed with our 642-642 learning materials: Quality of Service (QoS).

Cisco Quality of Service (QoS) Sample Questions:

1. A major media company recently deployed a new converged network. The original network design used separate networks for graphics and video, interactive data, and voice. The company has been experiencing problems with voice traffic in the new converged network. Most of the time voice quality is perfectly acceptable. Periodically voice quality exhibits unacceptable choppy voice signals, and occasionally calls are dropped. At this time the company is not willing to simply add bandwidth to the network.
Which QoS solution would most likely help to resolve the problem?

A) Use TCP header compression and LFI to reduce delays.
B) Prioritize voice traffic as the highest priority to ensure that voice traffic is always serviced by the priority queue.
C) Use class-based weighted fair queuing to prioritize voice traffic with a higher weight than all other traffic.
D) Use advanced technologies to compress all video and graphics traffic on the network.

2. What are two errors in this policy-map configuration? (Choose two.)
policy-map test
class voice
priority 64
class bulk
bandwidth percent 20
fair-queue
class interactive
bandwidth percent remaining 10
fair-queue
class class-default
fair-queue

A) The voice traffic class should have the no fair-queue command.
B) WFQ cannot be configured for the class-default traffic class.
C) The priority command cannot be used with the bandwidth command within the same policy-map.
D) WFQ cannot be configured for the bulk and interactive traffic classes.
E) The bandwidth units for the bulk and interactive traffic classes are inconsistent.
F) The bandwidth command is missing for the class-default traffic class.

3. DRAG DROP
Drop

4. Which mechanism is used for the prioritizing, protection, and isolation of traffic based on marking?

A) metering
B) classification and marking
C) congestion management
D) policing
E) congestion avoidance
F) shaping

5. At the network layer, IP packets are typically classified based on which three items? (Choose three.)

A) VLAN Identifier
B) flow control bits
C) content of the ToS byte
D) packet length
E) source and destination IP addresses

Solutions: