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920-804 - Technology Standards and Protocol for Converged Networks - Dump Information

Vendor : Nortel
Exam Code : 920-804
Exam Name : Technology Standards and Protocol for Converged Networks
Questions and Answers : 73 Q & A
Updated On : June 28, 2017
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920-804 Questions and Answers

920-804

D. Optivity Telephony Manager (OTM)


Answer: D


QUESTION: 67

Which component provides remote VoIP network management capability?


  1. 323 Manager

  2. Unified Manager

  3. Peer Network Manager

  4. Coordinated Dialing Plan Manager


Answer: B


QUESTION: 68

A customer has an IP WAN with multiple routers supporting various data applications. They

have added support for VoIP to take advantage of enhanced services and bandwidth efficiencies. The voice traffic has frequently been distorted, and technicians suspect that the cause is serial delay (jitter) within the routing scheme. Which two viable approaches can the customer use in the router setup to help reduce this issue? (Choose two)


  1. Implement Layer 2 fragmentation on the WAN links.

  2. Use voice compression for packets tagged as voice.

  3. Use small packets for VoIP so that less time is spent accumulating voice samples.

  4. Use large packets for VoIP so that more of a voice sample can be sent at one time.


Answer: A, C


QUESTION: 69

A customer plans to implement VoIP within the year. You are assigned to assess the network

status and recommend changes that may be required to support VoIP. Given the following network conditions: ?The two core routers have eight of ten slots populated. ?The Central Processing Unit (CPU) usage of the core routers is at a baseline of 85%. ?One Open Shortest Path First (OSPF) area is configured for every two interfaces. ?Routers are based on a distributed processing architecture. ?Each core router maintains four Link State Databases (LSDs). ?New code is to be loaded to make the routers Differentiated Services (DiffServ) capable. Which action should you take to reduce the CPU utilization in preparation for DiffServ queuing?


  1. Add a passive standby CPU.

  2. Reduce the number of OSPF areas on each router.

  3. Enable the compression accelerator card on each router.

  4. Do nothing the performance of the installed core routers CANNOT be improved.


Answer: B


QUESTION: 70

Click the exhibit button. Given the VoIP over Frame Relay network in the exhibit and the

following network information: ?Analysis of the traffic statistics determines that there is normally enough bandwidth to support both data and voice traffic without incident. ?Point- Of-Sale (POS) applications send an updated data file to the NT servers at frequent, irregular intervals causing VoIP calls to drop or clip from time to time. ?The Committed Information Rate (CIR) is being exceeded and some VoIP and data traffic is marked as Discard Eligible (DE). Which action should be implemented to prevent the VoIP traffic from being marked as DE by the Frame Relay network?


  1. Implement traffic policies at the sub-interface level.

  2. Increase the CIR of each Frame Relay circuit.

  3. Implement Differentiated Services (DiffServ) queuing.

  4. Implement Forward Explicit Congestion Notification/Backward Explicit Congestion

Notification (FECN/BECN) message suppression.


Answer: A


QUESTION: 71

Click the exhibit button. Given the network exhibit and the following network information:

?The usage of core router A is at a baseline of 70%. ?The usage of core router B is at a baseline of 95%. ?Differentiated Services (DiffServ) is NOT enabled on core routers A and

B. ?802.1p prioritization is enabled on all network devices. ?Each policy switch stack is fully populated. The customer wants to enable DiffServ queuing on core routers A and B but

is concerned about the current CPU usage. Which network change should you make to produce the greatest reduction in router CPU usage?


  1. Consolidate the policy switch stacks to reduce the number of uplinks to the routers.

  2. Evenly distribute T1/E1 circuits among the routers and move one of the call servers to

    core router A.

  3. Evenly distribute T1/E1 circuits among the routers and move the call servers to a policy

    switch stack.

  4. Install a Layer 2 QoS switch between the policy switch stacks and the routers, and move

the call servers to the new switch.


Answer: D


QUESTION: 72

Click the exhibit button. Given the VoIP over Frame Relay network in the exhibit and the following network information: ?Differentiated Services (DiffServ) is installed and configured properly. ?The Maximum Transmission Unit (MTU) size on all circuits is set to

256 kbps. ?Traffic shaping policies are in place to guarantee VoIP traffic receives a

maximum of 70% of the Committed Information Rate (CIR) bandwidth. As traffic to the NT server increases, which two conditions should you expect to see? (Choose two.)


  1. Data traffic will be discarded.

  2. Data traffic will experience higher latency.

  3. VoIP calls CANNOT be placed to Router B.

  4. All VoIP calls will experience quality issues.

  5. VoIP calls through Router B will experience quality issues.

  6. VoIP calls from Router A will be rerouted through Router D


Answer: A, B


Nortel 920-804 Exam (Technology Standards and Protocol for Converged Networks) Detailed Information

Nortel Certifications
Nortel Certifications
Nortel delivers an industry-leading global certification programme that sets the standards for designing, installing, and supporting Nortel products and solutions.
Nortel’s Professional Certification Programme provides fast, flexible paths to achieving Nortel Certification, including ‘in class’ segment exams or the ability to complete a certification exam at a Prometric Testing Centre.
Nortel use skills-based exams to test your skills and knowledge, validating your competency on our highly technical products and solutions that encompass Security, Mobility and Mulitmedia Communications.
Nortel Certified Support Specialist (NCSS)
Nortel Certified Support Expert (NCSE)
Nortel Certified Design Specialist (NCDS)
Nortel Certified Design Expert (NCDE)
The Nortel Institute is committed to educating, training, and professional development in the broad and booming field of information technology and telecommunications by developing innovative programs, backed by first-class facilities. The Nortel Institute�s education and training program is designed to respond to current challenges and to anticipate and address future challenges. In additioan, the Institute�s missions in research and development and in strategic analysis enable it to anticipate technological trends and plan training and education programs to prepare people for jobs in new areas.
The Institute designed and obtained approval for the Master of Engineering in Telecommunications program and which began in September 1998. The program graduates 30-35 highly trained experts each year for employment in industry. The Institute offers financial aid to undergraduate and graduate students through the Nortel Institute Scholarship program.
The Institute has also developed training and retraining programs, such as the Executive Development Program, as well as specialized seminars, workshops and forums.
Challenges
The critical shortage of highly qualified personnel in information technology and telecommunications, including researchers, engineers and technological entrepreneurs;
The rapid rate of change in technology requiring continual retraining and updating of industry personnel, including managers, engineers and executives, as well as decision-makers and policy-makers in a wide range of sectors;
Accelerating technological evolution and convergence that create uncertainty in identifying the skills and education future workers will need for the new jobs, services and industries.
Responses
Develop innovative programs, backed by first-class facilities, to fast-track the preparation of new generations for leadership and innovation and to offer retraining and updating for industry and government personnel;
Strengthen ties between industry and advanced education to give students hands-on experience and to enhance research and education opportunities for industry staff;
Identify technology trends in order to direct education and training resources effectively for future job creation, giving Canada�s economy a technological competitive advantage.
Approaches
Offer the innovative Master of Engineering in Telecommunications program;
Develop, in consultation with industry, innovative updating and retraining programs, specialized seminars and workshops;
Support initiatives to increase the number of highly qualified graduates in electrical and computer engineering;
Integrate results of strategic analysis of technology trends into education and training program development.
Communication Solutions
Industry Solutions
Nortel Education Communication Solutions
With Internet and multimedia technology playing an increasingly important role in education at every level, laying the right communications foundation is essential for educational establishments of all types.
At 1st Communications, we understand the communications and networking needs of your educational institution. Without voice and data communications technology, it would be impossible to operate in this day and age. You would not be able to construct collaborative projects, run intranets etc.
1st Communication's Nortel Solutions address the key issues for educational institutions, namely connectivity, mobility, security and advanced voice services. With our Nortel Solutions, you will be able to explore mobile and remote learning, introduce multimedia communications, take advantage of communication convergence and much, much more.
1st Communications uses the following Nortel Business Solutions and Nortel Technical Solutions to provide a complete service to the Education Sector:
Nortel Business Solutions
Increase your Productivity
Increase your Revenues
Streamline your Costs
Improve your Mobility
Increase Customer Loyalty, Care & Retention
Ease of Growth
Simplify your Administration
Protect your Investment
Get Greater Security
Nortel Technical Solutions
Converged Communications
Mobile Users
Contact Centres
Unified Communications
Computer Telephony Interaction
Interactive Voice Response
Teleworking
Wireless
Network Continuity
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920-804 Nortel Technology Standards and Protocol for Converged Networks Visit:

1 Nortel Technology Standards and Protocol for Converged Networks : Pass4sureofficialm is a reputable IT certification examination guide, study guides and audio exam provider, we not only ensure that you pass your exam in first attempt, but also you can get a high score to acquire Nortel certification. If you use pass4sureofficial Certification questions and answers, you will experience actual exam questionsanswers. We know exactly what is needed and have all the exam preparation material required to pass the exam. Our Nortel exam prep covers over 95% of the questions and answers that may be appeared in your exam. Every point from pass4sure PDF, review will help you take Nortel exam much easier and become Nortel certified. All the QuestionsAnswers are taken from real exams. Here's what you can expect from the Pass4sureOfficial Nortel course: * Up-to-Date Nortel questions taken from the real exam. * 100% correct Nortel answers you simply can't find in other courses. * All of our tests are easy to download. Your file will be saved as a PDF. * Nortel brain dump free content featuring the real test questions. Nortel certification exam is of core importance both in your Professional life and Nortel certification path. With Nortel certification you can get a good job easily in the market and get on your path for success. Professionals who passed Nortel exam training are an absolute favorite in the industry. You will pass Nortel certification test and career opportunities will be open for you.

2 Question: 1 A customer wants to implement VoIP network in their LANWAN environment. Following the network assessment, you have to make the appropriate recommendations to address network issues that can cause problems for real-time VoIP traffic. Based on the following, what should be your first recommendation? A - Use media shared hubs for LAN connection. B - Change the CODEC selection for LAN devices only. C - Put call servers, signaling servers and media gateways on one VLAN. D - Configure all interfaces to eliminate duplex mismatch and set to auto negotiate. Answer: D Question: 2 You are using Net IQ Chariot on a customer’s LAN to complete QoS testing with pre-defined data flow emulation templates. You want to check that the current Diffserv settings will achieve the desired results. Which parameters will provide you with the required information? (Choose two.) A - transaction rate B - network throughput C - precedence settings D - resource reservation Answer: A, B Question: 3 After assessing a customer’s network in preparation for a multi-site LANWAN VoIP deployment, you have determined the following: Average 5% dropped packets in end to end tests intermittent voice muting. Unacceptable delay The customer wishes to upgrade their network and correct these deficiencies. Suggest one solution that will give the most noticeable improvement and prepare the network for future growth with the least complexity. A - Implement an all optical network B - Reduce frame size for all packets. C - rease LANWAN bandwidth by 30%. D - Implement QoS technique like DiffServ. Answer: C Question: 4 Given the following network assessment information: At all times of the day there is sufficient bandwidth between all test points sitting on the LAN drops as well as the remote offices across the WAN circuits where Internet Telephones will be placed. AIl the call servers, media gateways and signaling servers are on the same VLAN along with the data network traffic. All of the servers are duplicated on the network to ensure five nines (99.999%) of reliability and call handling. There is only one physicallogical path to each LAN drop and remote office. The architecture of the network is in a physical star topology with all VoIP processing servers at the center of the star, including the duplicate servers. Each of the remote sites were built from the ground up for VolP and data traffic with NO regard for any call processing locally. All calls must go back to the campus network. Which three recommendations should you make to the customer concerning their network to enable it to support VoIP traffic? (Choose three.) A - Add data path redundancy to give the network survivability. B - Ensure that a backup generator sustains the power of all the network equipment.

3 C - Recommend a re-evaluation to obtain network delay and jitter information to ensure that these properties are within the appropriate bounds. D - Segment the call server, media gateway, and signaling server to appropriate VLANs to ensure signaling traffic is NOT impacted by standard IP data. Answer: A, C, D Question: 5 Which statement about the requirements of VoIP network assessments is true? A - Physical diagrams define the network operating systems that will be tested. B - Calling patterns define the current peak-period usages of the data networks that will be tested. C - Physical diagrams define the network-interface speeds, modes, and protocols that will be tested. D - Calling patterns help determine the potential dates for shutting down the network to perform the testing. Answer: C Question: 6 A company wants its network to be configured and if necessary upgraded to enable it to handle the addition of VoIP traffic along with other IP data. During the network assessment you identify: The core of the network is a high-speed data center where there is ample bandwidth to support the addition of VoIP traffic. The remote offices that the data center services are all connected via Frame Relay (FR). After setting up several NetlQ Chariot VoIP endpoints at remote - office locations you identify the following issues: Excessive delays during peak hours, as much as 200 milliseconds on round trips. There are dropped packets even at low usage rates. The jitter across the FR links is excessive when it is greater than 30 milliseconds. Which two changes should occur before the customer’s network is declared VoIP - ready? (Choose two.) A - Upgrade the data center to Layer 3 switching. B - Modify the 802.1p values on the VLANs to reduce the dropped packets to the remote sites. C - rease the Committed Information Pate (CIR) to guarantee that enough bandwidth is available to the remote sites. D - Implement traffic prioritization for shaping and policing on the routers (data center and remote offices) to ensure that VoIP traffic is prioritized over non-time-sensitive traffic. Answer: C, D Question: 7 A customer is planning a new VoIP network based on their existing PBX and corporate network. They need historical information about calling patterns in order to plan for VoIP traffic. What is the best source of this type historical information? A - Operational Measurements from switch B - Error messages from all networking devices C - Alarm indications from all networking devices D - Log reports from switch and all networking devices Answer: A Question: 8 Given the following network information: A company with a mixed VoIP and data network is experiencing bad voice quality with VoIP calls during normal business hours.

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Certification Watch: New Citrix Beta Exams Available

The beta versions of two new Citrix exams are available at no charge for a limited time.

Exam 1Y1-223 -- Citrix MetaFrame Presentation Server 3.0: Enterprise Edition Administration will be available through Aug. 6. It contains 136 items based on Citrix MetaFrame Presentation Server 3.0, and has a 2.5-hour time limit.

Exam 1Y1-722 -- Citrix MetaFrame Secure Access Manager 2.2: Administration is the other test currently in beta. It will be available though July 30. For this second test, items cover the design, installation and maintenance of MetaFrame Secure Access Manager 2.2. There are 181 items and the time limit is 3 hours.

As is usually the case, scores for these beta exams will not be available until after the beta period has been completed, test results analyzed, and a passing score established. Testing is through Prometric.

CompTIA Extends Mix and Match Period for A+

The Computing Technology Industry Association (CompTIA) has extended the option to mix and match exams referencing the old (2001) and new (2003) objectives for A+ certification through Sept. 30. This option originally was slated to expire June 30. For more on A+ certification, GoCertify's A+ page.

CIW Foundations Exam to be Updated, New Objectives Available

The CIW program has released new objectives and study material for its CIW Foundations exam. The current v4 Foundations exam and courseware is slated to retire in December.

The program that allowed individuals certified under CompTIA's i-Net+ program to become CIW Associates for a fee will also be retired at that time. The new v5 version of Foundations is no longer considered equivalent to i-Net+. The v5 Foundations exam is scheduled for release in the fall.

For a list of all CIW designations, see GoCertify's CIW page.

New Convergence Exams Now Available from Nortel

Two new certification exams covering the latest in convergence technologies are now available from Nortel Networks. They replace the VoIP Technology (#920-801) and IP Convergence (#920-802) exams required for the Specialist and Expert certifications in the VoIP and IP Convergence portfolio.

The Technology Standards and Protocols for IP Telephony Solutions exam (#920-803) is an update to the VoIP Technology exam (#920-801). It replaces the VoIP Technology exam as a requirement for all Specialist certifications in the VoIP portfolio.

The Technology Standards and Protocols for Converged Networks exam (#">920-804) is an update to the IP Convergence exam (#920-802). It replaces the IP Convergence exam as a requirement for all Expert certifications in the VoIP portfolio.

Microsoft Certification Count Exceeds 1.5 Million

According to Microsoft's learning Web site, more than 1.5 million Microsoft certifications have been earned since the Microsoft Certified Professional program was established in 1992. That includes 958,242 MCPs (Microsoft Certified Professionals), 11,697 MCSA Microsoft Certified Systems Administrator (MCSA) on Microsoft Windows 2000 titles, and 151,284 Microsoft Certified System Engineer (MCSE) on Microsoft Windows 2000 certifications.

Among the more recent Windows Server 2003 titles, there are 10,013 individuals certified as MCSE on Windows Server 2003, and 18,998 as MCSA on Microsoft Windows Server 2003. There are also over 125,000 MCDBAs (Microsoft Certified Database Administrator and, more than 54,000 MCSDs (Microsoft Certified Solution Developers).

Free IT Career Event to Take Place July 19-26

The 4th Annual IT Career Week will offer the chance to take certification training courses for free online, as well as provide access to a job search engine with nearly 30,000 IT job vacancies. The online event, all IT training titles and job search services are free for registered attendees. GoCertify is proud to once again be a cosponsor of this event.

To register and for detailed information on the event visit the ITCareerWeek Web site.

That's all for this edition of Certification Watch. Please keep your certification news and tips coming to newsgocertifym.

Article by ArticleForge

VoIP Technologies: A Comprehensive Guide to Voice over Internet Protocol (VoIP)

Your complete guide to Voice over Internet Protocol

Looking for a reference on Voice over Internet Protocol (VoIP)? VoIP Technologies, your complete guide to Voice over Internet Protocol (VoIP), provides a comprehensive foundation of VoIP technology, as well as the knowledge necessary to successfully support any VoIP product.

Designed for those who have a working knowledge of data, this guide examines the major components of VoIP networks, the incorporation of VoIP into a data network, packaging and transmitting voice, maintaining voice quality, and addressing traffic issues. Many other topics are also discussed in this section, including VoIP standards, protocols, and configuring networks for VoIP. The second half of the guide focuses on designing and supporting complex VoIP solutions encountered in Wide and Local Area Networks (WAN and LAN).

This guide will also help to prepare you for the Technology Standards and Protocols for IP Telephony Solutions (920-803) and Technology Standards and Protocols for Converged Networks (">920-804). Nortel Professional Certification exams.

Key Topics:

- Major components of the VoIP network

- Voice packetization

- Voice quality

- Bandwidth

- Quality of Service (QoS)

- Traffic convergence issues

- VoIP standardization and signaling protocols

- Managing VoIP networks

- Security in the VoIP environment

- Emergency services in the VoIP environment

- Technology standards and protocols for converged networks

- Network assessment

Today an understanding of VoIP is essential, because it allows network operators to lower operations costs and take advantage of advanced applications. The VoIP Technologies guide will provide you with the knowledge you need to understand VoIP, support a wide-variety of VoIP products, and prepare for Nortel Professional Certification exams.

"synopsis" may belong to another edition of this title.

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Certification Watch Volume 7 #11

Written by Anne Martinez 15 July 2004

Certification News regarding new Citrix beta opportunities, CompTIA A+ certification, CIW Foundations, Nortel Networks Convergence exams, IT Career Week, and the number of Microsoft certifications earned to date.

New Citrix Beta Exams Available

The beta versions of two new Citrix exams are available at no charge for a limited time. Exam 1Y1-223 - Citrix MetaFrame Presentation Server 3.0: Enterprise Edition Administration will be available through August 6, 2004. It contains 136 items based on Citrix MetaFrame Presentation Server 3.0, and has a 2.5 hour time limit. Exam 1Y1-722 -Citrix MetaFrame Secure Access Manager 2.2: Administration is the other test currently in beta. It will be available though July 30, 2004. For this second test, items cover the design, installation and maintenance of MetaFrame Secure Access Manager 2.2. There are 181 items, and the time limit is 3 hours.

As is usually the case, scores for these beta exams will not be available until after the beta period has been completed, test results analyzed, and a passing score established. Testing is through Prometric.

CompTIA Extends Mix and Match Period for A+

The Computing Technology Industry Association (CompTIA) has extended the option to mix and match exams referencing the old (2001) and new (2003) objectives for A+ certification through September 30, 2004. This option was originally slated to expire June 30, 2004. For more on A+ certification, GoCertify's A+ page.

CIW Foundations Exam to be Updated, New Objectives Available

The CIW program has released new objectives and study material for its CIW Foundations exam. The current, v4 Foundations exam and courseware is slated to retire in December 2004. The program that allowed individuals certified under CompTIA's i-Net+ program to become CIW Associates for a fee will also be retired at that time. The new v5 version of Foundations is no longer considered equivalent to i-Net+. The v5 Foundations exam is scheduled for release in fall of 2004. For a list of all CIW designations, see GoCertify's CIW page.

New Convergence exams now available from Nortel Networks

Two new certification exams covering the latest in convergence technologies are now available from Nortel. They replace the VoIP Technology (#920-801) and IP Convergence (#920-802) exams required for the Specialist and Expert certifications in the VoIP and IP Convergence portfolio.

The Technology Standards and Protocols for IP Telephony Solutions exam (#920-803) is an update to the VoIP Technology exam (#920-801). It replaces the VoIP Technology exam as a requirement for all Specialist certifications in the VoIP portfolio.

The Technology Standards and Protocols for Converged Networks exam (#">920-804) is an update to the IP Convergence exam (#920-802). It replaces the IP Convergence exam as a requirement for all Expert certifications in the VoIP portfolio.

Microsoft Certification Count Exceeds 1.5 Million

According to Microsoft's learning Web site, more than 1.5 million Microsoft certifications have been earned since the Microsoft Certified Professional program was established in 1992. That includes 958,242 MCPs (Microsoft Certified Professionals), 11,697 MCSA Microsoft Certified Systems Administrator (MCSA) on Microsoft Windows 2000 titles, and 151,284 Microsoft Certified System Engineer (MCSE) on Microsoft Windows 2000 certifications. Among the more recent Windows Server 2003 titles, there are 10,013 individuals certified as MCSE on Windows Server 2003, and 18,998 as MCSA on Microsoft Windows Server 2003. There are also over 125,000 MCDBAs (Microsoft Certified Database Administrator and, more than 54,000 MCSDs (Microsoft Certified Solution Developers).

Free IT Career Event to Take Place July 19-26

The 4th Annual IT Career Week will offer the chance to take certification training courses for free online, as well as provide access to a job search engine with nearly 30,000 IT job vacancies. The online event, all IT training titles and job search services are free for registered attendees. GoCertify is proud to once again be a cosponsor of this event. To register and for detailed information on the event visit the ITCareerWeek Web site.

That's all for this edition of Certification Watch. Please keep your certification news and tips coming to the This email address is being protected from spambots. You need JavaScript enabled to view it..

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TestKing ">920-804 Exam Simulator v.2.1



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