Favorable comments from customers

Our company is trying to satisfy every customer's demand. Of course, we also attach great importance on the quality of our 642-871 real test. Every product will undergo a strict inspection process. In addition, there will have random check among different kinds of study materials. The quality of our study materials deserves your trust. Never have our 642-871 preparation materials complained by the customer in the past ten years. Most of them are willing to introduce their friends to purchase our study materials. Also, they will write favorable comments on our websites to express their thanks. Almost every customer is satisfied with our 642-871 guide torrent. As we all know, it's hard to delight every customer. But we have successfully done that. Our study materials are really reliable. In a word, our products have built good reputation in the market. We sincerely hope that you can try our 642-871 preparation materials. You will surely benefit from your correct choice. Learning never stops!

The whole world of 642-871 preparation materials has changed so fast in the recent years because of the development of internet technology. We have benefited a lot from those changes. In order to keep pace with the development of the society, we also need to widen our knowledge. If you are a diligent person, we strongly advise you to try our 642-871 real test. You will be attracted greatly by our test engine. Life is too short, do not waste time. It is never too late to learn. Your choice of our study materials is completely correct.

Accurate predication

Normally, you will come across almost all of the real test questions on your usual practice. Maybe you are doubtful about our 642-871 guide torrent. We have statistics to tell you the truth. The passing rate of our products is the highest according to the investigation. Many candidates can also certify for our study materials. It will be your loss if you miss our products. As long as you are willing to trust our 642-871 preparation materials, you are bound to get the certificate. Life needs new challenge. Try to do some meaningful things.

High efficiency

If you study on our test engine, your preparation time of the 642-871 guide torrent will be greatly shortened. Firstly, the important knowledge has been picked out by our professional experts. You just need to spend about twenty to thirty hours before taking the real 642-871 exam. Also, our workers have made many efforts on the design of the system. You will never feel bored when you study on our 642-871 preparation materials. Every question is designed with heart. In addition, the relevant knowledge will be easy to memorize. Learning can also be a pleasant process. The saved time can be used to go sightseeing or have a rest. All in all, your purchasing of our 642-871 real test is absolutely correct. We have solved all of your troubles. Come to buy our study materials.

Cisco Designing Cisco network Service Architectures (ARCH) Sample Questions:

1. Sun Stable is a global insurance company with headquarters located in Houston, Texas.
The campus there is made up of a number of office buildings located within the same vicinity. In 2003, a new building, Building 331B was added. The additional building houses approximately 1000 employees. Rather than deploy a private branch exchange (PBX) in the new building, Sun Stable has decided to implement an IP telephony solution. External calls will be carried across a MAN link to another building, where a gateway connects into the worldwide PBX network of Sun Stable. Voice mail and unified messaging components are required and all IP phones and workstations should be on separate VLANs and IP subnets. Which IP telephony deployment best suits their need?

A) clustering over the WAN
B) multisite with distributed call processing
C) single-site
D) multisite with centralized call processing

2. Which four QoS design requirements are the closest to Cisco recommendations for VoIP traffic? (Choose four).

A) less than 1 percent of packet loss
B) fixed 64 kbps of guaranteed priority bandwidth per call
C) 150 bps (+ Layer 2 overhead) of guaranteed bandwidth for voice control traffic per call
D) less than 30 ms of jitter
E) serialization delay of 100 ms to 150 ms
F) one-way latency of 150 ms to 200 ms

3. Lafeyette Productions is looking for a new ISP that has improved availability, load balancing, and catastrophe protection. Which type of ISP connectivity solution would be best?

A) direct BGP peering
B) stub domain EBGP
C) single run
D) multi-homed
E) autonomous-route injection

4. What are two design guidelines for VoIP networks? (Choose two.)

A) Managed bandwidth is strongly recommended for voice control traffic.
B) Loss should be no more than 1 percent.
C) Jitter should be less then 40 ms.
D) One-way latency should be no more than 50 ms.
E) Delay should be no more than 10 ms.

5. With Call Manager v3.1, what is the maximum number of servers in a Cluster?

A) 7
B) 8
C) 6
D) 3

Solutions: