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920-255 Nortel Secure Router Rls.2.0 Configuration and Management

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920-255 exam Dumps Source : Nortel Secure Router Rls.2.0 Configuration and Management

Test Code : 920-255
Test cognomen : Nortel Secure Router Rls.2.0 Configuration and Management
Vendor cognomen : Nortel
: 65 real Questions

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How China’s Huawei took the lead over U.S. organizations in 5G technology | killexams.com real Questions and Pass4sure dumps

Brian Fung

Reporter specializing in telecommunications, media, and competition

April 10

As U.S. officials fill compelled allies no longer to expend networking apparatus from chinese know-how significant Huawei over spying considerations, President Trump has entreated American groups to “step up” and compete to provide the subsequent generation of excessive-speed, low-lag instant carrier known as 5G.

There’s only 1 issue: Barely any U.S. companies manufacture the know-how’s most crucial components.

The absence of an valuable U.S. choice to exotic suppliers of 5G networking apparatus underscores the growing dominance of Huawei, which has developed into the area’s largest enterprise of telecom device, sparking fears inside the Trump administration that a 5G community powered by way of Huawei’s wireless elements could imperil national security. And it throws into sharp reduction the years-lengthy retreat through U.S. enterprises from that market.

Carriers reminiscent of dash and Verizon fill moved rapidly to launch 5G services for patrons. however the instant networking apparatus the trade relies on nevertheless comes from exotic suppliers: four corporations, Sweden’s Ericsson, Finland’s Nokia and China’s Huawei and ZTE, account for two-thirds of the world market for telecom equipment, in accordance with analyst estimates.

Some U.S. expertise giants corresponding to Cisco sell switches and routers that reside in the innermost elements of a service’s community. however regardless of its measurement, Cisco doesn’t compete available in the market for “radio entry,” or the wireless infrastructure that permits phone websites to connect with smartphones and different cellular gadgets.

“There is not any U.S.-primarily based wireless entry machine company these days that builds those options,” pointed out Sandra Rivera, a senior vice chairman at Intel who helps pilot the chipmaker’s 5G method.

It’s this a section of the internet ecosystem it is increasingly valuable as greater gadgets and home apparatus gain instant connectivity and smart capabilities. 5G is anticipated to shape technological innovation for years to return, featuring cell statistics connections for virtual-reality headsets, driverless vehicles and more. Proponents jabber 5G at terminal will uphold down load speeds of 1,000 megabits per second, roughly one hundred instances faster than these days’s 4G normal.

The rising international claim for 5G gadget highlights how the U.S., a expertise chief in different respects, is essentially absent from the wireless networking trade. It displays the decline of a once vibrant ecosystem of american organizations that previously went toe-to-toe with the likes of Nokia and Ericsson. And it puts a spotlight on chinese language establishments akin to Huawei, whose upward thrust to prominence has compass on the cost of Western networking titans and sparked a global crusade by way of U.S. officials desperate to convince allies now not to enable chinese language gadget into their networks.

at the dawn of the instant age 30 years in the past, U.S. corporations jostled for primacy in wireless networking. agencies comparable to Motorola and Lucent — an offshoot of the ancient AT&T monopoly — had been sources of innovation, exploring unique techniques of offering voice and records wirelessly. It become Lucent, as an example, that helped interpolate Code Division assorted entry, or CDMA, a cellular know-how that promised to enhance the skill of instant carriers.

but their fortunes declined around the turn of the century as they didn't retain pace with a altering market. No U.S. company stepped in to fill the gap as these agencies diminished — partly on account of the starting to exist power of international alternatives and partly because of the giant scale required to live to narrate the tale in that line of enterprise, in response to trade specialists.

“Lucent in reality collapsed as a result of they didn’t fill a spacious ample instant arm to retain them afloat when the internet spine [business] collapsed” in the dot-com bust, observed Roger Entner, a telecom analyst at Recon Analytics. “Motorola, over time, effortlessly became much less aggressive since the different companies had more economies of scale.”

Motorola and Lucent’s instant infrastructure organizations were quickly devoured up by Finland’s Nokia and France’s Alcatel, respectively. One reason the european agencies proved so a success, Entner referred to, changed into since the European industry agreed from the start to boost a common regular for instant communication, known as GSM, that each one European telecoms would share. against this, the industry in North the united states took a looser method, with some carriers backing network technologies that weren’t collectively appropriate.

Take CDMA. First developed for cell expend in the 1990s, the gauge changed into technologically superior, allowing carriers equivalent to Verizon to pump more site visitors through their phone websites over the identical amount of time in comparison with choice necessities. but the technology created headaches for buyers who discovered they couldn’t preserve their phones when they switched from Verizon to a community fondness T-mobile’s, which ran on GSM.

while the American approach allowed for greater technological experimentation and innovation, a fragmented market based on competing requisites made it more difficult for U.S. wireless gadget marketers to amass a huge client base.

these days, Nokia and Ericsson are the prerogative suppliers of telecommunications networking gear in North america and are not any. 2 and No. three, respectively, on earth. the two groups each and every recorded revenue of about $25 billion remaining yr.

but both were surpassed by means of Huawei, which in the span of three many years has develop into the realm’s largest provider of telecom equipment.

“I Do believe the Western organizations did underestimate how credible Huawei was,” famous Paul de Sa, a telecom industry analyst and co-founding father of the advisory hard Quadra partners. “there fill been executives who in reality laughed [at the idea] that Huawei or ZTE could compete.”

centered within the late Nineteen Eighties with the aid of Ren Zhengfei, a former engineer for the chinese language defense force, Huawei began as a expertise enterprise for chinese clients. but by way of the early 2000s, Huawei had begun selling globally, and now does a sturdy enterprise now not handiest in community machine but moreover in customer smartphones and enterprise services. ultimate month, the privately held enterprise stated that it had entire 2018 with revenue of $107 billion, up 20 p.c regardless of the U.S. campaign. earnings rose 25 percent, the enterprise mentioned, to $8.8 billion.

To give a different perspective on Huawei’s giant fill an repercussion on, the enterprise’s chief competitors, Nokia and Ericsson, account for 17 % and 13 % of the world marketplace for telecom equipment, respectively, in accordance with figures compiled by means of the research hard Dell’Oro group.

Huawei’s market share, at 29 percent, is pretty much as giant as both of them mixed.

despite an early attractiveness for cheap knockoff hardware, Huawei nowadays is recognized for low costs, legit device and engaging client carrier, analysts say. As Huawei has invested in its own analysis and building, even Western telecom agencies well known that Huawei’s products are as edifying as — if not improved than — competing gadget from Nokia or Ericsson.

“About 25 % of their individuals fill Huawei or ZTE” of their networks, Carri Bennet, an legal professional for the Washington-primarily based bucolic instant affiliation, advised lawmakers at a fresh house Judiciary subcommittee listening to.

Gordon Smith, the manager executive of Sagent, a community intelligence and analytics company previously called Clover Telecom, estimated that Huawei apparatus typically prices “tens of percents” lower than the competitors’s.

With the assist of China’s state-owned evolution bank, Huawei moreover has been able to undercut opponents with alluring financing for its products. In February on my own, Huawei announced partnerships with instant carriers in eight international locations, together with Iceland, Switzerland, Saudi Arabia and Turkey.

It doesn’t damage that Huawei serves a immense domestic market in China, which promises it significant merits of scale that many tech organizations, together with American ones, are hungry to access themselves. China is so vital to Apple, as an example, that the iPhone maker blamed the country’s economic slowdown for a downward revision in Apple’s recent quarterly sales estimates — the company’s first such warning in 15 years.

Huawei’s success, besides the fact that children, has been clouded via allegations of highbrow property theft.

The U.S. govt accused two Huawei units this yr of attempting to replica a robotic arm used with the aid of T-mobile to verify smartphones. (Huawei has pleaded now not responsible.) during the past, Huawei has additionally been accused of stealing technology from Cisco; both companies grew to become locked in a legal dispute in 2003 and settled months later, after Huawei conceded that Cisco-made code had ended up in a Huawei product. The code become later removed.

Then there is Nortel Networks’ discovery in 2004 that hackers — traced to IP addresses in Shanghai — had stolen pretty much 1,500 dainty information from the Canadian telecom giant’s computer techniques. The enterprise’s subsequent investigation did not exhibit China’s direct involvement, a whole lot much less Huawei’s. however after examining the stolen files — which bore cryptic names comparable to “Photonic Crystals and massive Scale Integration,” “Eco_Strategy.ppt” and “HDX R2 common Reconfigurations examine diagram - Draft 0.2″ — and a months-long probe, Nortel’s security adviser on the time, Brian Shields, grew to become convinced Huawei benefited indirectly from the breach. The file names, an inventory of which Shields provided to The Washington post, haven't been up to now pronounced.

“no person could exist interested in these kinds of files aside from a competitor,” Shields stated. “individually, taking a peep at what the hackers went after, it is probably going these documents made it to Huawei.”

That reputedly historic legacy is newly primary, as U.S. officials squabble that incorporating Huawei gear into U.S. carriers’ 5G networks poses a major spying risk.

At an industry conference in Barcelona in February, U.S. officials entreated allies in bilateral meetings not to accomplish expend of Huawei gadget over issues that it could permit eavesdropping through authoritarian regimes. U.S. partners generally renowned the risk however fill asked for more concrete proof to again up the case.

“The Europeans actually maintain pushing for this theory of, ‘the place’s the smoking gun?’ ” stated an individual established with the discussions, who spoke on the circumstance of anonymity to communicate greater freely concerning the closed-door meetings. “they say, ‘hello, they don’t desire protection threats either ... but that you can’t simply are available in here and inform us that there's a team spirit of interest between Beijing and Huawei and fill that exist the conclusion of your presentation.’ ”

Some analysts jabber that in a previous period, the us’s allies may had been extra sympathetic to the Trump administration’s message. however Trump’s behavior, they jabber — berating NATO allies, canceling a dispute with to a world warfare I memorial on account of rain, calling Europe a “foe” on alternate — has not helped.

“In a global where the U.S. had greater tender energy,” Entner spoke of, “I’m pretty confident the Europeans can exist a lot more receptive.”


Nortel engaged on unique security routers | killexams.com real Questions and Pass4sure dumps

Nortel is working on protection routers for groups looking to scurry faraway from dedicated, stand-by myself security hardware to application and hardware combos incorporated in switches, routers and even computers.

Nortel is working on security routers for corporations trying to movement away from dedicated, stand-by myself safety hardware to software and hardware combos incorporated in switches, routers and even pcs.

3Com and others fill similar plans, making 2005 a key 12 months in the migration toward switching and routing contraptions securing networks and content.

Nortel is expected subsequent 12 months to roll out two core routers for industry networks with the end to comprise protection applications. Code-named Dolphin and Triton, the routers will consist of pilot for VPNs, firewalls and intrusion detection, sources say.

Nortel says it is rarely able to release details of the unique equipment, but it has a number of unique department and regional routing systems in domain evaluation. These are scheduled to exist obtainable in mid-2005, the enterprise says.

These product additions compass after Nortel announced intrusion-detection and -prevention equipment that integrates with its change/firewall offerings to shroud perceived threats, and an alliance with Symantec to give risk signatures to Nortel switches that shroud malicious traffic.

"every router and switch will at terminal double as a kindhearted of firewall or a filtering gadget on the very least," says Jon Oltsik, a senior analyst with commercial enterprise approach group. "From a security point of view, that means community devices become enforcement elements. modern day routers and switches already role some [filtering] tasks, with [access control lists] and fundamental packet filtering." past this yr, networking companies Alcatel, Cisco and Enterasys Networks made equivalent bulletins.

This potential vendors will revamp their product lines to combine protection, says Zeus Kerravala, vice chairman of commercial enterprise infrastructure for the american neighborhood. "there may exist not a remarkable deal unique you could Do with routing and switching alone anymore. folks that Do not [incorporate security in routers and switches] puss extinction."

alongside these strains, 3Com remaining week received intrusion-prevention device seller TippingPoint applied sciences, with plans to combine the business's wire-speed traffic filtering capabilities into blades for 3Com switches and routers over the subsequent 12 months.

one more ongoing endeavor comes at safety from the computing device, making confident individual machines meet protection requisites earlier than they can ship site visitors on the community. F5 Networks and Nortel final week announced they fill got joined Cisco, inordinate Networks, Juniper and others working with Microsoft to aid the application giant's network entry insurance policy (NAP) structure. NAP is designed to create a extensive security infrastructure that embraces servers, switches, routers and computers. As NAP is gathering a protracted listing of companions, Microsoft is preparing its first liberate for next 12 months.

F5 plans to combine NAP technology into its FirePass Controller, an SSL VPN product, allowing the machine to confess, disaffirm or quarantine site visitors from end-person laptops and PCs. In an built-in Microsoft/F5 community the Microsoft NAP architecture would examine customer machines to accomplish confident operating apparatus and anti-virus software are up up to now. An authentication server then would inform an F5 FirePass Controller to permit the consumer entry, shroud access or transmit the consumer to a comfy LAN section the situation the newest working system and anti-virus application can exist downloaded.

community World provider suppliers Managing Editor Jim Duffy contributed to this story.

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Nortel Secure Router Rls.2.0 Configuration and Management

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Nortel warns of three VPN router product flaws | killexams.com real questions and Pass4sure dumps

Nortel this week warned of several backdoors, and other flaws, in its VPN and secure routing products that could allow unauthorized remote access to an enterprise network.

User accounts used for diagnostics on Nortel VPN routers (formerly known as Contivity) could exist used to gain access to a corporate VPN. In another potential vulnerability, unauthorized remote users could moreover gain administrative access to a VPN router through a Web interface. A third vulnerability could result in someone cracking users' VPN passwords.

Nortel says it has issued software that fixes these flaws. Product versions affected include All Nortel VPN router models -- 1000, 2000, 3000, 4000 and 5000.

The user account issue, among the three discovered by a German security researcher, involves two user accounts stored in the VPN Router’s default directory. The accounts are used for diagnostics of various VPN tunnels types when the router is used in Federal Information Processing Standards encryption mode --  a gauge used by government agencies.

“These accounts picture a potential backdoor into the private network from any VPN router,” Nortel says in a bulletin.

Web-based management interfaces on VPN routers can moreover exist accessed by unauthorized users by “careful manipulation of the URL” of the router’s Web address. Nortel says this could give limited access to some router configuration settings.

Nortel is moreover warning that the DES key it uses to encrypt All user passwords on its VPN routers are identical. “It is feasible -- providing the attacker was able to gain access to the Lightweight Directory Access Protocol store -- to expend a animal coerce attack on the hash of a user password in order to gain network access,” Nortel says.

Nortel adds that upgrading to VPN router software versions 6_05.140, 5_05.304 or 5_05.149 fixes the three issues it is reporting. (The upgrade secures the two diagnostic user accounts, closes the vulnerability in the Web manager and adds 3DES encryption to passwords). Software upgrades can exist obtained here.

Learn more about this topic Five things Nortel must Do to complete comeback01/19/07Nortel offers vulnerability fix

06/06/05

Microsoft and Nortel declar broad unified communications alliance

07/18/06

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Nortel Routers Plagued By Vulnerabilities | killexams.com real questions and Pass4sure dumps

Detack GmbH has informed Nortel about three flaws in the Nortel VPN Router (formerly Contivity), which allow illegal incursion up to the administrative level.

All three Nortel VPN Routers 1000, 2000 and 4000 are exposed by the vulnerabilities, the purveyor stated in an advisory released on April 19, 2007.

The first glitch occurs because two user accounts are retained in the VPN Router LDAP template by default option, undetected by the system manager. These user accounts are employed for channeling protocols fondness IPSEC, L2TP, L2F, and PPTP, and could provide hackers an unauthorized access into the main network, Nortel alleged in the caveat.

The next flaw, which allows illegal entry to the administration, is in the router's Internet-supported device management. A cyber-terrorist could fudge the URL to enter confident administrative pages without proper sanction. "Immediately after infiltrating the system, it becomes easier for the hacker to exploit selected configuration settings on the exposed VPN Router," the caveat cautioned.

Infected routers utilizing a mutually shared DES encoding key antecedent vulnerable access code encryption. This reason for the third flaw, can accomplish it much simpler for cyber-terrorists to expend 'brute coerce attack' to discover user account passwords, the Toronto-located networking purveyor mentioned in the advisory.

Nortel is urging its clients to safeguard themselves by raising their VPN Routers software program to edition 6_05.140.

Improvement to 6_05.140 provides moderation by offering the alternative of 3DES encoding, however code variants 5_0 and earlier cannot exist improved to include this. Nortel is in fact functioning along with NIST and CORSEC to provide a variant of 7_00, which incorporates the 3DES upgrade for clients who claim FIPS, nevertheless in the meanwhile Nortel advocates the usage of secure passwords with a brief lifespan. But taking into consideration the pace with which DES can nowadays exist breached, this would appear to provide just slight defense except against the most careless hackers.

In a report to Deepsight Threat Management System readers, Symantec gifted the flaws its strictest rating, a full 10 on a 10-point scale.

Nortel gave the entire credit to the German research company DeTack GmbH for detecting the flaws.

» SPAMfighter word - 01-05-2007


Why Virtualize the Network? | killexams.com real questions and Pass4sure dumps

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Editor's Note: Occasionally, Enterprise Networking Planet is supercilious to sprint guest posts from authors in the field. Today, Deepak Kumar, founder and CTO of Adaptiva, shares his thoughts on network virtualization.

By Deepak Kumar

In some situations, the hardwired characteristics of a physical network accomplish it a liability rather than the asset it should be. recall the case of an organization that needs to dispense a 20 GB operating system image to thousands of machines in China. Relying on the physical network to transfer gigantic amounts of data over the WAN link would instantly flood it, bringing industry traffic to a halt. And that's just one expend case.

System administrators necessity to retain business-critical systems running, secure, and current every day. Suppose a security update needs to exist deployed instantly. That may intimate delivering massive data across the enterprise, across the globe, and across thousands of sites. This poses significant challenges for system administrators. They don't, and shouldn't, own the network. But they must silent manage the tide of huge amounts of data across it and control the directions in which that data flows.

In multi-disciplinary environments such as the ones in common expend in most Fortune 500 organizations, ownership of the network cannot exist delegated to every large user. This accentuates the conundrum faced by the systems administrator and network teams alike, often resulting in friction, industry disruption, and sub-optimal network utilization.

What if you could virtualize the network, decoupling the physical routers from the imaginary routes that system administrators necessity their data to take? With such a system in place, the networking team could continue to own the physical assets and the systems administrators the virtual network, independently controlling and managing the tide of large volumes of systems management data such as images, patches, and software.

One way this could exist accomplished is if applications provided a network virtualization layer. Systems administrators could then create imaginary network locations at will and connect them together arbitrarily, completely dissociating the paths followed by content distribution across the virtualized network from the paths specified in the configuration of the physical network itself.

This would untangle network and systems administrator teams, give them ownership of their respective domains, and optimize expend of the network. In the expend case described above, only one copy of that 20 GB OS image would necessity to travel across the physical network to China. The network application built upon the network virtualization layer could then accomplish the comfort available locally.

Network virtualization provides an elegant solution to the network topology problem. It can, however, moreover become a significant management challenge for enterprises with very large networks. Creating and maintaining a virtual network topology can claim a tremendous amount of manual work and time on a network with thousands of subnets. Automating its expend through a workflow system integrated into the technology, with the talent to tow information from diverse sources into the virtualized network configuration, would address this challenge.

Only a handful of enterprises fill adopted such virtualization technologies to date, but the benefits are already clear. When used correctly, network virtualization can save money, time, bandwidth, and administrators' hair.

Deepak Kumar, Adaptiva founder and CTODeepak Kumar founded Adaptiva after serving as the primary architect of Microsoft Systems Management Server 2003, later evolving into Microsoft Systems center Configuration Manager (SCCM). His flavor leading evolution teams at Nortel and Microsoft propelled him into leading a group of developers to create the Adaptiva IT Systems Software Suite. He has five patents related to his work on Microsoft’s SMS 2003 and has written over 50 publications, including the Thinkweek paper for Bill Gates that became Project Greenwich, now known as Microsoft Office Communications Server/ Lync.



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