2. Save your time and improve your reviewing efficiency for 642-642 exam

All of us want to spend less money and little time for 642-642 exam. Here, CCIP 642-642 training material will help you to come true the thoughts. When you visit 642-642 exam dumps, you can find we have three different versions of dumps references. The PDF version is the common file for customers, it is very convenient for you to print into papers. If you want to use pen to mark key points, pdf is the best choice. The PC version and On-line version is more intelligent and interactive, you can improve your study efficiency and experience the simulate exam. Besides, you can assess your 642-642 testing time and do proper adjustment at the same time. With the help of 642-642 practical training, you can pass the 642-642 test with high efficiency and less time.

The advantages surpassing others

When you scan the Cisco and find the contents about 642-642 real dumps here now, we will congratulate you that you have found a way out in your current tedious life. If you have a strong desire to sail through 642-642, don't be confused, pay attention to 642-642 exam dumps. On the basis of the 642-642 practice training, you can quickly remember and acquire the 642-642 questions & answers dumps in practical training, thus you don't put any time and energy for 642-642 preparation. Cisco provides you with the most comprehensive and latest 642-642 exam dumps which cover important knowledge points. With the 642-642 training material (Quality of Service (QoS)), you just need to take 20-30 h to practice the exam, and the effect of reviewing is good.

Cisco 642-642 Dumps 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.)

3. Welfare after buying Cisco 642-642 training dumps

If you want to buy 642-642 Quality of Service (QoS) training dumps, it is set with easy procedure. It just takes two steps to complete your purchase, we will send Quality of Service (QoS) dumps to your email at once, then you can download the attachments at will. After you buying 642-642 real dumps, you will enjoy one year free update of 642-642 traning material, that is to say, you can get the latest 642-642 exam dumps synchronously. In case, you fail in the 642-642 exam, you may think your money spent on 642-642 real dumps is wasted, but Cisco is not that style. We will turn back you full refund. In addition, we can also replace with other exam dumps for you.

Choose 642-642 training dumps, may you a better and colorful life!

1. High quality of Cisco 642-642 training dumps

More than ten years development and innovation, Cisco is continuously strong and increasingly perfecting, CCIP 642-642 training dumps are the effort of several IT specialist who keep trying and hard work. So 642-642 exam dumps is reliable and accuracy of high-quality, and deserve IT exam candidates to refer for the coming 642-642 test. If you think what we said are exaggerated, please inquiry the customer who have used 642-642 exam dumps or visit Cisco to have try about the 642-642 free demo, then you can confirm that we are sincere and our products are good and worthy. Actually, our customers' feedback is good, from which we are more confident say 642-642 (Quality of Service (QoS)) dumps can guarantee you pass the exam with 99.8% passing rate.

Cisco Quality of Service (QoS) Sample Questions:

1. What is the purpose of the qos pre-classify command?

A) to enable the IOS to copy the ToS field from the original IP header to the outer tunnel IP header
B) to enable the IOS to copy the ToS field from the outer tunnel IP header back into the original IP header
C) to enable the IOS to classify the packet based on the outer tunnel IP header instead of the original IP header
D) to enable class-based marking on tunnel interface
E) to enable the IOS to classify the packet based on the original IP header instead of the tunnel IP header
F) to enable class-based marking on IPSec crypto maps

2. Based on the following policy-map configuration, the bulk traffic class packets are not being ECN
marked, yet there are many random drops in the bulk traffic class. What is the most likely cause of
the problem?
router(config)# policy-map MyPolicy
router(config-pmap)# class bulk
router(config-pmap)# bandwidth 128
router(config-pmap-c)# random-detect dscp-based
router(config-pmap-c)# random-detect dscp af31 32 40 10
router(config-pmap-c)# random-detect dscp af32 28 40 10
router(config-pmap-c)# random-detect dscp af33 24 40 10
router(config-pmap-c)# random-detect ecn

A) The CB-WRED mark probability denominator is set too low.
B) The endpoints generating the bulk traffic packets are not ECN capable.
C) The CB-WRED max threshold is set too high.
D) The CB-WRED min threshold is set too low.
E) Some of the routers within the traffic path are not ECN capable.

3. Which technology is required when configuring FRF.12 on a Cisco device?

A) FRF.8
B) FRTS
C) MLP with interleaving
D) WRED
E) VoFR
F) FRF11.c

4. 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 priority command cannot be used with the bandwidth command within the same policy-map.
B) WFQ cannot be configured for the class-default traffic class.
C) The voice traffic class should have the no fair-queue command.
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.

5. Based on the following show output, which statement is true?
WG1S1#sh mls qos interface fa0/1 FastEthernet0/1 trust state: not trusted trust mode: trust cos COS override: dis default COS: 0 pass-through: none trust device: cisco-phone

A) A Cisco IP Phone is not connected to the fa0/1 switch port.
B) All incoming DSCP markings are trusted.
C) All incoming CoS markings are trusted.
D) DSCP markings from the Cisco IP Phone are trusted.

Solutions: