Tuesday, 8 December 2015

Pass4sure 350-080 Question Answer

If the default VDC is configured to limit resources to a specific module type, what happens when a module that does not match the resource type is installed?

A. The module is powered up, and interfaces are in an "admin down" state.
B. The module is denied power, and a syslog message is generated.
C. The module is powered up, and interfaces are allocated to VDC0.
D. The module is powered up, and interfaces are allocated to VDC100.

Answer: C

Tuesday, 24 November 2015

Pass4sure 350-080 Question Answer

Which statement about SAN port channels configured on Cisco Nexus 5000 Series Switches is true?


A. A single SAN port channel can have both Fibre Channel and virtual Fibre Channel interfaces.
B. SAN port channels can include up to 16 interfaces.
C. SAN port channels distribute traffic across all links in the port channel when source ID and destination ID load balancing are used.
D. The links in SAN port channels can be connected to different sets of switches.
E.
The On mode of operation means ports only operate as part of a SAN port channel or remain inactive.

Answer: E

 

 

Which capabilities are not supported in DCNM device manager? 


A. manage SNMPv3 security access to switches
B. save and copy configuration files and software images
C. configure VLANs and Ethernet port channels
D. manage 2148T FEX, 2232PP FEX, and 2248TP FEX E. configure FCoE


Answer: C

Thursday, 12 November 2015

Pass4sure 350-080 Question Answer

A network administrator has installed an N7K-F248-25XP module into an existing chassis. The module is powered on, but the interfaces are all in VDC0. What is the reason for this?

A. The chassis needs an EPLD upgrade to support the new module type.
B. The default VDC cannot support F2 modules.
C. The interfaces must be allocated into a VDC for F2 modules only.
D. The module has failed GOLD diagnostics, and the switch has isolated the ports to protect the integrity of the system.

Answer: C



Which two statements about SAN port channels configured on Cisco Nexus 5000 Series switches are true? 
(Choose two.)

A. The bring up protocol automatically detects and overrides any misconfiguration.
B. You can manually configure channel groups, or they can be automatically created.
C. Changes in configuration to the SAN port channel interface must also be made to all members of the channel group.
D. The port channel protocol uses the exchange fabric parameters command to communicate across peer ports in an ISL.
E. The port channel protocol ensures that a set of ports is eligible to be part of the same SAN port channel.

Answer: B, E
 

Tuesday, 6 October 2015

If The Internet of Things Scares You Now Cisco's CEO is Bent on Hooking up Robots, EVERYTHING


In his first major speech as new CEO of Cisco, Chuck Robbins was clear about one thing. He pretty much wants everything on Earth to be networked and connected together.

Big shock, right? Network hardware and software giant wants to sell more network hardware and software. Cisco wants the Internet of Things to be powered by Cisco products.

But think about it: we're talking about more than just smartphones, smart light-bulbs, and smart ridges connected to the web.
Robbins isn't playing for nickels and dimes here – he means factories, robots, oil pipelines, electrical sub-stations, hospitals, trains and buses, banks and corporations. Big dangerous things that can potentially be reached across the internet.

And Cisco isn't a startup in San Francisco pitching some sort of new way of hooking stuff together – its number one in networking; it makes the kit IT departments order by the truckload. And Robbins wants its deep-pockets customers to buy kit to get just about everything connected, analyzed, and potentially accessible from anywhere.

At the company's headquarters in San Jose, California, staff from robotics maker Fanuc were wheeled out to the press to confirm they're going to use Cisco systems to hook up assembly line machines across the world. It is hoped that with masses of data coming back from sensors in the factories, software can analyze and identify robots that aren't performing properly, and give early warnings to repair technicians and manufacturers.
These mechanical workers will provide "highly secure remote access and monitoring," we're told.

In another example, Robbins spoke of a person wandering around a store, pausing at a shelf of stuff, and having software and hardware in place to detect this and act on it – perhaps by sending them a message to persuade them to buy.



The networking giant also wants to provide "a connected, highly secure architecture that allows oil and gas companies more control over their pipelines, helping to protect assets from accidents or cyber-attacks." And "highly-secure power grids."

Security! Security! Security!


Are you worried? There have been so many horror stories published on security flaws in the Internet of Things – from home routers and kit being hopelessly insecure, to cars, more cars, and industrial and medical equipment left lying around on the web for miscreants to hijack.

Robbins said the Internet of Things is going to be 500-billion-strong by 2020, and to us, it sounds like we're piling more exploitable code on more exploitable code.

Cisco has a trick up its sleeve to keep stuff secure, apparently: traffic analysis. By studying patterns of packets in real-time, anomalous activity – such as a rogue employee trying to sabotage equipment, or weird storage accesses – should in theory stick out and be trapped by the network. Robbins likened it to a bank freezing someone's credit card if it spotted unexpected, and likely unauthorized, transactions on the monthly bill.
Other companies offer similar machine-learning-based tech, which El Reg is keeping an eye on closely.
"True rich analytics are available in the infrastructure," said Robbins.

"One of the early-use cases of these analytics is in the security architecture. We can see threats coming in, which will help us solve one of the biggest challenges for customers.

"Allow the network to take advantage of machine-learning to build intelligence from its traffic, and act on threats if suspicious traffic is detected. There is no longer a central castle. We can’t put a moat around it. We have to do security differently."

Can traffic analysis truly protect organizations from hackers outside and disgruntled or incompetent staff within? What happens when the firmware in the underlying systems is compromised, as we just saw with SYNful Knock. We really do wonder.

Cisco's exec chairman John Chambers is convinced AI-powered analytics can do the job: "This is in real time as it happens – it has to be: five minutes later, and it could be too late. its machines learning the behavior of other machines," he told The Reg after Robbins' presentation.
Other things to note from Robbins' presentation on Monday:

On innovation and startups, the new CEO said: "Our customers face issues they’ve always faced, all the normal things, but there's something else going on. Something else is happening. There’s this sense of paranoia that exists in every CEO. The slight paranoia that there's six people in a garage leveraging technology that's going to disrupt my business, and I don’t know who they are nor where they are."

On the cost of IT: "Our customers are moving to converged technology. They are fundamentally more concerned about operational costs than capital expenditure. So far, in our history, that’s not been the case."

On software-defined networking: "Everything we build will be programmable; everything in the data center is going to be converged. And we have to drive security to provide analytics of the network in motion, showing what's happening at a given moment in time."

On keeping up with competitors the pace of change in the technology world: "I'm going to be ruthless. I feel we have to move faster, faster, faster.

"If someone says they need 30 days to complete a project, I'll say they've got three weeks. They say 18 months, I say 9. I dunno why – it just feels good. We have to move faster, we have to simplify things, and be clear about what we're doing. It’s hard being simple in this complex world."

Robbins was made CEO of Cisco in May this year at the age of 49 after long-time boss John Chambers stepped aside to be executive chairman.

Robbins has been with the networking giant since 1997, admitted he was once upon a time an applications programmer, and was an unexpected choice for the Cisco corner office – he wasn't a frontrunner, but is (we're told) well-liked by staff and seen as a good pair of hands. Now he's putting those to use to mold Cisco into the company he wants it to be.

Wednesday, 2 September 2015

How Are We Going to Pay for All This IoT? Cisco Capital President Kristine Snow Has the Answer

The IoT industry is blowing up in all directions and the growth potential is huge. In fact, depending on which analyst you ask, it might be damn near unlimited. Well, with all those devices, from the edge to the network, getting connected, pulling data and analyzing the living daylights out of it, the costs can grow almost as fast as the number of devices.

Since enterprises especially will be shelling out big bucks for new system installments, or massive retrofits, an enterprise-level solution is needed to finance that kind of capital expenditure.

Enter Cisco Capitol. Cisco’s financial arm operates as a financing house, funding purchases of Cisco technology solutions, providing credit lines to Cisco’s partners and offering refurbished products at discounted rates.

We spoke to Kristine Snow, President, Cisco Capitol, to find out how she works with Cisco’s clients and partners to ease the road toward IoT implementation.

IoT Evolution World: So why a company would finance a purchase with you, rather than use a traditional bank?

Kristine Snow: Because we’re a part of Cisco, we understand our customers’ needs and behaviors better than any outside financier or bank. We know the business models are changing and we are evolving our capabilities to meet those changes. As our customers are addressing the transition, we are ready.

IoTEW: What are some of the primary forces driving the growth of the IoT right now?

KS: We believe there are five main drivers that business leaders are addressing moving forward. The first is asset utilization and optimization, or how they can optimize the money they’re putting toward these devices. The second is productivity. Third is supply chain and logistics. Custom experiences are fourth and innovation is the last, which is how the companies are using the IoT to gain competitive advantage.

IoTEW: What do you look at when evaluating the potential of a deal?
KS: At Cisco Capitol, we’re very focused on business outcomes and we look at the volume of data and connectivity. We believe the decision of how to acquire is as important as the decision to transition to Internet of Everything (IoE).

IoTEW: What is your main goal in financing these investments for your clients?

KS: We help customers to mitigate the cost of major investments in technology. A captive lender like us can bring a sense of being a trusted advisor to the deal and we can allow customers to preserve their operating capital for development and growth costs and align payment schedules to benchmarks tied to time or revenue. It’s a great way to accumulate ROI.

Editor’s note: A captive lender is a financial entity that exists within the company manufacturing the financed assets.

IoTEW: Is financing better than an outright purchase of equipment?

KS: Bringing financing into the ecosystem of the IoE is a real strategic advantage, with measurable ROI as a real benefit. It’s an opportunity for us to drive value to enable solutions in a compelling way.

Wednesday, 12 August 2015

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Wednesday, 29 July 2015

Pass4sure 350-080 Question Answer

What are the advantages of using FabricPath technology?


FabricPath brings the benefits of routing protocols to layer 2 network Ethernet environments. What
are the advantages of using FabricPath technology? (Choose three.)
 

A.FabricPath provides MAC address scalability with conversational learning

B.Loop mitigation with TTL in the frame field

C.STPl independence

D.10 Gbps bandwidth

E.Layer 2 extensions between data centers

Answer :ABC

 

Which two statements about SAN port channels configured on Cisco Nexus 5000 Series switches are true?


Which two statements about SAN port channels configured on Cisco Nexus 5000 Series switches
are true? (Choose two.)

A.The bring up protocol automatically detects and overrides any misconfiguration.

B.You can manually configure channel groups, or they can be automatically created.

C.Changes in configuration to the SAN port channel interface must also be made to all members
of the channel group.

D.The port channel protocol uses the exchange fabric parameters command to communicate
across peer ports in an ISL.

E.The port channel protocol ensures that a set of ports is eligible to be part of the same SAN port
channel.

Answer:BE