640-722 Exam Question

QUESTION NO : 13

Refer to the exhibit. What does the yellow shield with the exclamation mark indicate?

A. The network uses open authentication and no encryption.
B. The network uses an unsupported channel.
C. The signal is too distorted to connect.
D. The AP that is transmitting this SSID uses the wrong RF domain.
E. This is the ad-hoc network.

Answer : A

640-722 Exam Question

QUESTION NO : 11

Which two statements about WiMAX technology are true? (Choose two.)

A. WiMAX is defined by 802.11i.
B.  Typically, fixed WiMAX networks have a higher-gain directional antenna installed near the client.
C.  WiMAX is capable of working as a long-range system over several miles.
D. WiMAX works only for licensed frequencies.

Answer : BC

640-722 Exam Question

QUESTION NO : 10

The IEEE 802.11n standard provides 40-MHz channels, improved MAC efficiency, and MIMO. Which three elements define the 802.11n implementation of MIMO?(Choose three.)

A.  channel bonding
B.  dynamic frequency selection
C.  maximal ratio combining
D.  packet aggregation
E.  spatial multiplexing
F.  transmit beam forming

Answer : CEF

Cisco Seen Building Momentum In Nexus 9K, ACI

Cisco is getting a lift from obvious driving force behind its Nexus 9000 switches and fabric Centric application infrastructure. Investment company UBS raised its price target after talks with Cisco EMEA boss Chris Dedicoat thrown UBS numbers found encouraging.

Cisco Nexus 900 1000 9,000 customers and 120 customers ACI and Policy Controller application infrastructure and business Q1, according to UBS analyst Amitabh Passi, based on his conversations with chronic Dedicoat here in Barron. Defined Passi sense of confidence and dynamism in control, software, data centers, mobility and ASR 9000 edge-routing networks.

There Could Be More To Come:

While respectable, we are still in the early days of ICA given ramp installed base of Cisco UCS and 37K + 50K + Cat-6k customers.Cisco expected to announce its Nexus 9000 1000th customer and client 100a APIC next week in the Cisco Global Editors Conference in San Jose.HP could be the tailings layer of Cisco switching pulse. According to the knowledge of the data center, HP has burst open their systems Cisco converged infrastructure to support top-of-rack switches.

Until recently, cloud systems HP ProCurve switches only supported. But the company is offering customers the option of Cisco based on the ubiquity of Cisco switches in global data centers.HP and Cisco have gone from being partners in fierce competitors in the last five or six years due to the inclusion of Cisco the server market data center with its Unified Computing System platform and building your HP networking portfolio through the acquisition of 3Com. HP went so far as to remove all your Cisco networking equipment from its own data centres.

The same seems dynamic partner / opponent suffers Cisco and EMC. Shortly after completion of its investment practically leave the VCE integrated infrastructure joint venture with EMC, Cisco has with IBM to provide an integrated platform that UCS infrastructure combined with storage system.The resulting system VersaStack IBM Storwize addresses the supply cloud, big data and Analytics and providing mobility. 

Over time VersaStack is for business applications from IBM and Cisco integrate ICA and InterCloud Tela be optimized. It channels are sold by both companies worldwide and Cisco and IBM said they will seek to introduce additional reference architectures Time. now that the participation of Cisco VCE was reduced to 10%, the EMC and VCE is not expected to Cisco embrace networking technologies integrated into their infrastructure.

640-722 Exam Question

 QUESTION NO : 9

Which two statements about the requirements to configure inter-controller roaming are true? (Choose two.)

A. The same mobility domain names are configured across controllers.
B. The same RF group names are configured across controllers.
C. The same controller hardware version is configured across controllers.
D. The same AP manager interface is configured across controllers.
E. The same virtual interface is configured across controllers.
F. The same controller software version is configured across controllers.

Answer: A,E

Cisco To Invest $140 Mn in Indian IT Start-Ups

Cisco Systems,the US major IT invested (Rs 860 million rupees) in minority interests under the Indian technology start-ups to acquire about 140 million in the next three years, with Hilton Romanski, SVP Corporate Development at Cisco.

The company has already invested $ 100 million 15 technology companies in India. "We windows overlooking 140 million to invest in three to five years to acquire minority stake in Indian Startups" Romanski said BW] Business world.Romanski is for mergers and acquisitions of the company strategy (M & A) the managing their personal portfolios and responsible investment is responsible for acquisitions in 40 deals almost $ 20 billion.

Romanski also said the company might look over it and committed to invest $ 140 million in India, where Cisco is pushing good deals. Cisco had $ 240 million raised to invest in India. On average, the company has invested less than 20 percent in the Indian technology start-ups.

While e-commerce is the flavour of the season, Cisco is not optimistic about the industry and is more likely to try in areas such as cloud, Internet companies (OIE) and the content and the change of user entrepreneurship invest among others. The company said it will now look at some new companies in which investments can be made in the coming months.

Unlike most private equity funds, Cisco is looking at a wider horizon, where there are some new companies in which it invests, incubate. "The investment would be different in different stages, but incubate and help some of the companies in which we invest to make," Romanski said. Cisco expects strong returns (IRR) of investments reap. Romanski did not disclose the percentage of IRR (Internal Rate of Return). On an average PE fund approximately 20% of the IT industry are generally looking at the IRR from anywhere.

Cisco Enhanced Object Tracking

This article Discusses from Cisco Enhanced Object Tracking (EOT)first,let's start with some basic information about EOT and then we will discuss some examples of how They see are used in Conjunction with HSRP.EOT,are a feature of Cisco,the objects can be tracked.The customer Could then perform actions based on the status of synthesis objects.Most patrons are HSRP,VRRP,GLBP and IP SLA.

Each tracked object Has Its own number. Customers follow the object with respect to this issue.Each object is pulled by a regular monitoring to see if there is a change in status. If so,then it is is trans-mitted to the customer.The delay in between status changes and When communicating with customers can be zero or a set value.The value of the object 'may be Either upwards or downwards.

These Are The Basic Features Of EOT:

• Interface state tracking where an IP routing object is up when the line-protocol of the interface is up or the IP address is known or when IP routing is enabled on that interface.
• IP route tracking where an IP route tracking object is up when you have a route in the routing table.

Because this is an ‘enhanced’ version, you have a few interesting features available, like threshold tracking or Boolean tracking, which are applicable to a list of tracked objects.

For Instance, You Could Use:

• And operation where both tracked objects from the list have to be up so that the list of tracked objects will be up.
• OR operation where at least one object from the list has to be up so that the list of tracked objects will be up.
• Threshold values where the objects from the list have a weight assigned and you could bring the list up or down if the overall list weight is above or below a Configured value.

The Benefits Of EOT Are:

• Faster network fault detection
• Decreases the length of outage
• Allows other FHRP, other than HSRP and IP SLA, to use object tracking

Because HSRP was the initial intended beneficiary of object tracking, let’s use HSRP and see how we can benefit from enhanced object tracking.