Nortel certification 920-803 exam best training materials

ITCertKing is the only website which is able to supply all your needed information about Nortel certification 920-803 exam. Using The information provided by ITCertKing to pass Nortel certification 920-803 exam is not a problem, and you can pass the exam with high scores.

Now Nortel 920-803 is a hot certification exam in the IT industry, and a lot of IT professionals all want to get Nortel 920-803 certification. So Nortel certification 920-803 exam is also a very popular IT certification exam. Nortel 920-803 certificate is very helpful to your work in the IT industry, which can help promote your position and salary a lot and let your life have more security.

In order to provide you with the best IT certification exam dumps forever, ITCertKing constantly improve the quality of exam dumps and update the dumps on the basis of the latest test syllabus at any time. ITCertKing is your best choice on the market today and is recognized by all candidates for a long time. If you don't believe what I say, you can know the information by asking around. Somebody must have been using ITCertKing dumps. We assure ITCertKing provide you with the latest and the best questions and answers which will let you pass the exam at the first attempt.

Exam Code: 920-803
Exam Name: Nortel (Nortel technology standards and protocol for ip telephony solutions)
One year free update, No help, Full refund!
Total Q&A: 55 Questions and Answers
Last Update: 2014-02-24

ITCertKing is a professional website. It focuses on the most advanced Nortel 920-803 for the majority of candidates. With ITCertKing, you no longer need to worry about the Nortel 920-803 exam. ITCertKing exam questions have good quality and good service. As long as you choose ITCertKing, ITCertKing will be able to help you pass the exam, and allow you to achieve a high level of efficiency in a short time.

The talent is everywhere in modern society. This is doubly true for IT field. With the popularity of the computer, hardly anyone can't use a computer. Working in the IT industry, don't you feel pressure? Educational level is not representative of your strength. Education is just a ticket, however really keeping your status is your strength. As IT staff, how to cultivate your strength? It is a good choice to take IT certification test which can not only help you master more skills, also can get the certificate to prove your ability. Do you want to take Nortel 920-803 exam that is very popular in recent?

Life is full of choices. Selection does not necessarily bring you happiness, but to give you absolute opportunity. Once missed selection can only regret. ITCertKing's Nortel 920-803 exam training materials are necessary to every IT person. With this materials, all of the problems about the Nortel 920-803 will be solved. ITCertKing's Nortel 920-803 exam training materials have wide coverage, and update speed. This is the most comprehensive training materials. With it, all the IT certifications need not fear, because you will pass the exam.

920-803 Free Demo Download: http://www.itcertking.com/920-803_exam.html

NO.1 To achieve the QoS necessary to deliver voice between two points on a Frame Relay network, which
two items are required to guarantee that voice quality is maintained? (Choose two.) Assume that a
Permanent Virtual Circuit (PVC) is available to address converged voice and data.
A. a Variable Bit Rate (VBR) service type
B. a WAN access device that shapes traffic
C. a WAN access device that does NOT fragment voice IP packets
D. a WAN access device that can manage First-In, First-Out (FIFO) queuing
E. a Committed Information Rate (CIR) large enough to address the total peak voice traffic plus a portion
allocated for Best-Effort (BE) data
Answer: BE

Nortel   920-803   920-803 questions

NO.2 A video conference is in progress between two networked locations using gigabit Ethernet. The video
conferencing application is using User Datagram Protocol (UDP) to transport the video and audio data.
Why should UDP be used instead of Transmission Control Protocol (TCP)?
A. TCP CANNOT handle streaming data applications.
B. UDP is better than TCP at seamlessly synchronizing voice and video together.
C. UDP serves as an efficient transport for handling real-time application traffic.
D. UDP uses less bandwidth than TCP in a WAN, but more bandwidth than TCP in a LAN.
Answer: C

Nortel test questions   920-803 study guide   920-803 exam simulations   920-803

NO.3 Which two CODECs have the least delay (processing or algorithmic)? (Choose two.)
A. B. 711
C. D. 723.1
E. F. 726
G. H. 729
Answer: AE

Nortel   920-803   920-803   920-803 exam simulations   920-803

NO.4 To implement VoIP on a customer's IP network, which transport protocol should you use to best meet
the real-time requirement for VoIP, and why?
A. User Datagram Protocol (UDP); It ignores lost packets.
B. Transmission Control Protocol (TCP); It retransmits lost packets.
C. User Datagram Protocol (UDP); The amount of delay time is bounded.
D. Transmission Control Protocol (TCP); The amount of delay time is bounded.
Answer: A

Nortel exam dumps   920-803   920-803 demo

NO.5 Which CODEC delivers the greatest compression?
A. B. 711
C. D. 723.1
E. F. 726
G. H. 729
I. J. 729A
Answer: C

Nortel study guide   920-803 exam dumps   920-803 exam   920-803 exam dumps

NO.6 The basic attributes of Real-Time Protocol (RTP) provide for support of applications like voice and
video. Which three attributes of RTP support real-time applications? (Choose three.)
A. Timestamping
B. Packet sequencing
C. Header compression
D. Payload identification
E. Packet retransmission
Answer: ABD

Nortel exam simulations   920-803   920-803 exam simulations

NO.7 How does Real-Time Control Protocol (RTCP), the control protocol of Real-Time Protocol (RTP), assist
RTP in handling packetized voice in an IP telephony environment?
A. Controls the RTP data flows.
B. Identifies sources and provides QoS feedback.
C. Interoperates with Transmission Control Protocol (TCP).
D. Controls the network bandwidth used by RTP data flows.
Answer: B

Nortel practice test   920-803 test answers   920-803 original questions   920-803 dumps   920-803

NO.8 What are two differences between IP, Asynchronous Transfer Mode (ATM) and Frame Relay (FR)?
(Choose two.)
A. ATM has a fixed cell size, but IP and FR do NOT.
B. FR has built in mechanisms within the protocol for QoS.
C. ATM is connectionless, but IP and FR are connection oriented.
D. IP is a Layer 3 protocol, but ATM and FR are Layer 2 protocols.
Answer: AD

Nortel   920-803 certification training   920-803

ITCertKing offer the latest 74-353 exam material and high-quality MB5-854 pdf questions & answers. Our HP2-Z27 VCE testing engine and 1Y0-300 study guide can help you pass the real exam. High-quality 70-246 dumps training materials can 100% guarantee you pass the exam faster and easier. Pass the exam to obtain certification is so simple.

Article Link: http://www.itcertking.com/920-803_exam.html