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642-642 Exam
Quality of Service (QoS)
- Exam Number/Code : 642-642
- Exam Name : Quality of Service (QoS)
- Questions and Answers : 180 Q&As
- Update Time: 2011-10-24
- Testing Engine (SoftWare Version): $ 50.00
- PDF (Printable Version) Price: $15.00
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642-642 Exam Quality of Service (QoS) Exam Number/Code : 642-642 Exam Name : Quality of Service (QoS) Questions and Answers : 180 Q&As Update Time: 2010-05-30 Price: $ 79.00 $ 58.00 100% Guarantee to Pass Your 642-642 Exam If you prepare for the exam using our pass999 testing engine, we guarantee your success in the first attempt. If you do not pass the CCIP 642-642 exam (ProCurve Secure WAN) on your first attempt we will give you a FULL REFUND of your purchasing fee AND send you another same va…
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Quality and Value for the 642-642 Exam
pass999 642-642 Practice Exams for Cisco 642-642 are written to the highest standards of technical accuracy, using only certified subject matter experts and published authors for development.
100% Guarantee to Pass Your 642-642 Exam
If you prepare for the exam using our pass999 testing engine, we guarantee your success in the first attempt. If you do not pass the CCIP 642-642 exam (ProCurve Secure WAN) on your first attempt we will give you a FULL REFUND of your purchasing fee AND send you another same value product for free.
Cisco 642-642 Exams (in EXE format)
Our Exam 642-642 Preparation Material provides you everything you will need to take your 642-642 Exam. The 642-642 Exam details are researched and produced by Professional Certification Experts who are constantly using industry experience to produce precise, and logical. You may get questions from different web sites or books, but logic is the key. Our Product will help you not only pass in the first try, but also save your valuable time.
642-642 Downloadable, Interactive Testing engines
We are all well aware that a major problem in the IT industry is that there is a lack of quality study materials. Our Exam Preparation Material provides you everything you will need to take a certification examination. Like actual certification exams, our Practice Tests are in multiple-choice (MCQs)
Our Cisco 642-642 Exam will provide you with exam questions with verified answers that reflect the actual exam. These questions and answers provide you with the experience of taking the actual test.
High quality and Value for the 642-642 Exam:100% Guarantee to Pass Your CCIP exam and get your CCIP Certification.
Exam : Cisco 642-642
Title : Quality of Service (QOS)
1. After learning QoS, for the following options, Which of the following characterize problems that could occur with voice traffic when QoS is not applied in a network?(choose two)
A. Voice sounds choppy.
B. Calls are disconnected.
C. VoIP broadcasts increase as Queuing delay increases, causing delay and caller interaction problems.
D. Voice call requires more bandwidth as lost packets are retransmitted.
Answer: AB
2. WFQ(Weighted Fair Queuing) is a data packet scheduling technique allowing different scheduling priorities to statistically multiplexed data flows. For the following statements, what are two benefits of WFQ? (Choose two.)
A. WFQ is very easy to configure, and no manual traffic classification is necessary.
B. WFQ can provide fixed-delay guarantees.
C. WFQ can provide fixed-bandwidth and fixed-delay guarantees.
D. WFQ can provide fixed-bandwidth guarantees.
E. WFQ prevents the large-volume flows with large packet size from starving out the low-volume flows with small packet size.
Answer: AE
3. As a candidate for CCVP exam, can you tell me what does a router base its opinion of how much bandwidth is available to a queuing tool on a serial interface?
A. The bandwidth command is required before a queuing tool knows how much bandwidth is available.
B. The automatically-sensed physical transmission rate on the serial interface.
C. The clock rate command is required before a queuing tool knows how much bandwidth is available.
D. Defaults to T1 speed, unless the bandwidth command has been configured.
Answer: D
4. Refer to the following parameters, which of the following are not traffic characteristics that can be affected by QoS tools?
A. Delay
B. MTU
C. Reliability
D. Bandwidth
Answer: C
5. SLA(Service-Level Agreement) is a contract between a network service provider and a customer, which usually defines such terms as the type of service, the quality of service and the customer's payment. In an unmanaged CE router implementation, how does the service provider enforce the SLA?
A. by using class-based policing on the CE to PE link to limit the customer's input rate
B. by using class-based random discard on the CE to PE link to limit the customer's input rate
C. by marking on the CE to PE link and using CBWFQ and CB-WRED on the PE to P link
D. by marking on the CE to PE link and using class-based policing on the PE to P link
Answer: A
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Quality and Value for the 642-642 Exam
pass999 642-642 Practice Exams for Cisco 642-642 are written to the highest standards of technical accuracy, using only certified subject matter experts and published authors for development.
100% Guarantee to Pass Your 642-642 Exam
If you prepare for the exam using our pass999 testing engine, we guarantee your success in the first attempt. If you do not pass the CCIP 642-642 exam (ProCurve Secure WAN) on your first attempt we will give you a FULL REFUND of your purchasing fee AND send you another same value product for free.
Cisco 642-642 Exams (in EXE format)
Our Exam 642-642 Preparation Material provides you everything you will need to take your 642-642 Exam. The 642-642 Exam details are researched and produced by Professional Certification Experts who are constantly using industry experience to produce precise, and logical. You may get questions from different web sites or books, but logic is the key. Our Product will help you not only pass in the first try, but also save your valuable time.
642-642 Downloadable, Interactive Testing engines
We are all well aware that a major problem in the IT industry is that there is a lack of quality study materials. Our Exam Preparation Material provides you everything you will need to take a certification examination. Like actual certification exams, our Practice Tests are in multiple-choice (MCQs)
Our Cisco 642-642 Exam will provide you with exam questions with verified answers that reflect the actual exam. These questions and answers provide you with the experience of taking the actual test.
High quality and Value for the 642-642 Exam:100% Guarantee to Pass Your CCIP exam and get your CCIP Certification.
Exam : Cisco 642-642
Title : Quality of Service (QOS)
1. After learning QoS, for the following options, Which of the following characterize problems that could occur with voice traffic when QoS is not applied in a network?(choose two)
A. Voice sounds choppy.
B. Calls are disconnected.
C. VoIP broadcasts increase as Queuing delay increases, causing delay and caller interaction problems.
D. Voice call requires more bandwidth as lost packets are retransmitted.
Answer: AB
2. WFQ(Weighted Fair Queuing) is a data packet scheduling technique allowing different scheduling priorities to statistically multiplexed data flows. For the following statements, what are two benefits of WFQ? (Choose two.)
A. WFQ is very easy to configure, and no manual traffic classification is necessary.
B. WFQ can provide fixed-delay guarantees.
C. WFQ can provide fixed-bandwidth and fixed-delay guarantees.
D. WFQ can provide fixed-bandwidth guarantees.
E. WFQ prevents the large-volume flows with large packet size from starving out the low-volume flows with small packet size.
Answer: AE
3. As a candidate for CCVP exam, can you tell me what does a router base its opinion of how much bandwidth is available to a queuing tool on a serial interface?
A. The bandwidth command is required before a queuing tool knows how much bandwidth is available.
B. The automatically-sensed physical transmission rate on the serial interface.
C. The clock rate command is required before a queuing tool knows how much bandwidth is available.
D. Defaults to T1 speed, unless the bandwidth command has been configured.
Answer: D
4. Refer to the following parameters, which of the following are not traffic characteristics that can be affected by QoS tools?
A. Delay
B. MTU
C. Reliability
D. Bandwidth
Answer: C
5. SLA(Service-Level Agreement) is a contract between a network service provider and a customer, which usually defines such terms as the type of service, the quality of service and the customer's payment. In an unmanaged CE router implementation, how does the service provider enforce the SLA?
A. by using class-based policing on the CE to PE link to limit the customer's input rate
B. by using class-based random discard on the CE to PE link to limit the customer's input rate
C. by marking on the CE to PE link and using CBWFQ and CB-WRED on the PE to P link
D. by marking on the CE to PE link and using class-based policing on the PE to P link
Answer: A
http://www.pass999.net/ The safer.easier way to get CCIP Certification.
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