人はそれぞれの夢を持っています。あなたの夢は何でしょうか。昇進ですか。あるいは高給ですか。私の夢はNortelの922-101認定試験に受かることです。この認証の証明書を持っていたら、全ての難問は解決できるようになりました。この試験に受かるのは難しいですが、大丈夫です。私はJapanCertのNortelの922-101試験トレーニング資料を選びましたから。私が自分の夢を実現することを助けられますから。あなたもITに関する夢を持っていたら、速くJapanCertのNortelの922-101試験トレーニング資料を選んでその夢を実現しましょう。JapanCertは絶対信頼できるサイトです。
あなたは自分の職場の生涯にユニークな挑戦に直面していると思いましたら、Nortelの920-804の認定試験に合格することが必要になります。JapanCertはNortelの920-804の認定試験を真実に、全面的に研究したサイトです。JapanCert のユニークなNortelの920-804の認定試験の問題と解答を利用したら、試験に合格することがたやすくなります。JapanCertは認証試験の専門的なリーダーで、最全面的な認証基準のトレーニング方法を追求して、１００パーセントの成功率を保証します。JapanCertのNortelの920-804の試験問題と解答は当面の市場で最も徹底的かつ正確かつ最新な模擬テストです。それを利用したら、初めに試験を受けても、合格する自信を持つようになります。
JapanCertのNortelの922-101試験トレーニング資料は最高のトレーニング資料です。あなたはIT職員としたら、JapanCertはあなたが選ばなくてはならないトレーニング資料です。JapanCertのNortelの922-101試験トレーニング資料は絶対に信頼できるもので、IT認証を受ける受験生を対象として特別に研究された問題と解答に含まれているう資料です。 Nortelの922-101試験に受かるのはIT職員の皆さんの目標です。JapanCertの合格率は信じられないほど高いです。JapanCertはあなたの成功にずっと力を尽くしています。
試験番号：922-101 試験過去問試験科目：「Communication Server 1000 Linux Platform Architecture」
最近更新時間：2014-06-01
問題と解答：32
>>詳しい紹介はこちら
試験番号：920-804 受験記対策試験科目：「Nortel technology standards and protocols for converged networks」
最近更新時間：2014-06-01
問題と解答：72
>>詳しい紹介はこちら
JapanCert Nortelの922-101試験問題集は実践の検査に合格しますから、広い研究と実際を基づいている経験を提供できます。JapanCertはIT領域の10年以上の認定経験を持っていますから、問題と解答に含まれています。922-101試験に準備するためにインターネットで色々なトレーニングツールを見つけることができますが、JapanCert の922-101試験資料は最も良いトレーニング資料です。、弊社は最全面的な認証試験問題と解答を提供するだけでまく、一年間の無料更新サービスも提供いたします。
JapanCertが提供した問題集を使用してIT業界の頂点の第一歩としてとても重要な地位になります。君の夢は1歩更に近くなります。資料を提供するだけでなく、Nortelの922-101試験も一年の無料アップデートになっています。
JapanCertはNortelの920-804認定試験に便利なサービスを提供するサイトで、従来の試験によってJapanCert が今年のNortelの920-804認定試験を予測してもっとも真実に近い問題集を研究し続けます。
この人材があちこちいる社会で、多くのプレッシャーを感じませんか。学歴はどんなに高くても実力を代表できません。学歴はただ踏み台だけで、あなたの地位を確保できる礎は実力です。Nortelの922-101認定試験は人気がある認証で、その認証を持ちたい人がたくさんいます。この試験に受かったら自分のキャリアを固定することができます。JapanCertのNortelの922-101試験トレーニング資料はとても良いトレーニングツールで、あなたが首尾よく試験に合格ことを助けられます。試験に合格したら、あなたは国際的に認可され、解雇される心配する必要はありません。
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NO.1 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 NetIQ 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. Increase the Committed Information Rate (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: CD
Nortel関節 920-804練習問題 920-804
NO.2 A customer wants to implement VoIP network in their LAN/WAN 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
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NO.3 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. ?All 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
physical/logical 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 VoIP 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.
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: ACD
Nortel攻略 920-804費用 920-804テスト
NO.4 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
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NO.5 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
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NO.6 A company requests that their VoIP network be assessed to determine if some changes can be made
to alleviate bandwidth limitations. Given the following network information: ?The CODEC is G.711. ?Voice
Activity Detection (VAD) is NOT being used. ?The company wants to keep the bandwidth usage on its
Frame Relay (T1/E1 and T3/E3) circuits less than 50% of the overall bandwidth. ?The company will allow
the quality of the intelligible voice to degrade slightly in favor of a significant increase in total number of
calls possible on their circuits. ?They will NOT accept additional packetization delay since their network
is already at the maximum limit of acceptable delay (maximum delay budget) between the Internet
Telephones and the call server. Which configuration change will increase the number of VoIP calls
possible on the company's Frame Relay circuits?
A. Increase the packetization rate from 20 milliseconds to 30 milliseconds and decrease the jitter buffer.
B. Increase the packetization rate from 20 milliseconds to 30 milliseconds to gain approximately 20%
more calls.
C. Change the CODEC to G.729 with the same packetization factor of 20 milliseconds to more than
double the possible calls on the Frame Relay circuits.
D. There is NO way to increase the number of calls possible within the bandwidth restrictions unless they
are willing to re-engineer their network with a larger-bandwidth circuits.
Answer: C
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NO.7 After assessing a customer's network in preparation for a multi-site LAN/WAN 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. Increase LAN/WAN bandwidth by 30%.
D. Implement QoS technique like DiffServ.
Answer: C
Nortel試験 920-804講座 920-804 920-804割引 920-804
NO.8 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: AB
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