Nortel 920-803 training and testing

In the past few years, Nortel certification 920-803 exam has become an influenced computer skills certification exam. However, how to pass Nortel certification 920-803 exam quickly and simply? Our DumpLeader can always help you solve this problem quickly. In DumpLeader we provide the 920-803 certification exam training tools to help you pass the exam successfully. The 920-803 certification exam training tools contains the latest studied materials of the exam supplied by IT experts.

At present, Nortel 920-803 exam really enjoys tremendous popularity. As far as you that you have not got the certificate, do you also want to take 920-803 test? Nortel 920-803 certification test is really hard examination. But it doesn't mean that you cannot get high marks and pass the exam easily. What is the shortcut for your exam? Do you want to know the test taking skills? Now, I would like to tell you making use of DumpLeader 920-803 questions and answers can help you get the certificate.

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: 2014-02-21

The Nortel 920-803 certification exam is not only validate your skills but also prove your expertise. It can prove to your boss that he did not hire you in vain. The current IT industry needs a reliable source of Nortel 920-803 certification exam, DumpLeader is a good choice. Select DumpLeader 920-803 exam material, so that you do not need yo waste your money and effort. And it will also allow you to have a better future.

I believe that a lot of people working in the IT industry hope to pass some IT certification exams to obtain the corresponding certifications. Some IT authentication certificates can help you promote to a higher job position in this fiercely competitive IT industry. Now the very popular Nortel 920-803 authentication certificate is one of them. Although passing the Nortel certification 920-803 exam is not so easy, there are still many ways to help you successfully pass the exam. While you can choose to spend a lot of time and energy to review the related IT knowledge, and also you can choose a effective training course. DumpLeader can provide the pertinent simulation test,which is very effective to help you pass the exam and can save your precious time and energy to achieve your dream. DumpLeader will be your best choice.

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

NO.1 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   920-803 exam   920-803   920-803

NO.2 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 practice questions   920-803   Braindumps 920-803   920-803 original questions   920-803 pdf   920-803

NO.3 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 demo   920-803 practice test   920-803   920-803 answers real questions

NO.4 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 Bootcamp   920-803   920-803   920-803   920-803   920-803

NO.5 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   920-803

NO.6 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

Braindumps Nortel   920-803 exam dumps   920-803 practice test   920-803   920-803 test answers

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   920-803   920-803   920-803 test answers

NO.8 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   920-803   Braindumps 920-803

DumpLeader offer the latest 000-052 exam material and high-quality 1z0-481 pdf questions & answers. Our CAT-380 VCE testing engine and 1Z1-536 study guide can help you pass the real exam. High-quality HP0-J60 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.dumpleader.com/920-803_exam.html