Monday, 20 June 2016

200-120 Exam Question

Question No : 16

Which of the following are benefits of VLANs? (Choose three.)

A. They increase the size of collision domains.
B. They allow logical grouping of users by function.
C. They can enhance network security.
D. They increase the size of broadcast domains while decreasing the number of collision domains.
E. They increase the number of broadcast domains while decreasing the size of the broadcast domains.
F. They simplify switch administration.

Answer: B,C,E

Friday, 6 May 2016

200-120 Exam Question

Question: 15

What can be done to secure the virtual terminal interfaces on a router? (Choose two.)

A. Administratively shut down the interface.
B. Physical secure the interface
C. Create an access list and apply to the virbal terminal interfaces with the access-group command
D. Configure a virtual terminal password and login process.
E. Enter an access list and apply it to the virtual terminal interfaces using the access-class command.

Answer: D,E

Friday, 8 April 2016

200-120 Exam Question

QUESTION : 14

A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffic. What is the effect of adding switch ports to a new VLAN on the switch?

A. More collision domains will be created.
B. IP address utilization will be more efficient.
C. More bandwidth will be required than was needed previously.
D. An additional broadcast domain will be created.

Correct Answer: D

Friday, 1 April 2016

200-120 Exam Question

QUESTION : 13
What are three benefits of implementing VLANs? (Choose three)

A. A more efficient use of bandwidth can be achieved allowing many physical groups to use the same network infrastructure
B. Broadcast storms can be mitigated by decreasing the number of broadcast domains,thus increasing their size.
C. A higher level of network security can be reached by separating sensitive data traffic from other network traffic.
D. Port-based vlans increase switch-port use efficient,thanks to 802.1Q trunks
E. A more efficient use of bandwidth can be achieved allowing many logical networks to use the same network infrastructure.
F. Broadcast storms can be mitigated by increasing the number of broadcast domains,thus reducing their size.
G. VLANs make it easier for IT staff to configure new logical groups,because the vlans all belong to the same broadcast domain.

Correct Answer: CEF

Tuesday, 1 September 2015

The Apple-Cisco Deal May Change the World

You have to hand it to Tim Cook’s Apple. The scale of the company’s ambition is only now being realized.

Apple and Cisco have revealed a key partnership that promises to unleash forces seeking companies that are engaged in the digital transformation: using popular devices in the corporate world, optimized for global networks and the key to the kind of chops analysis you can expect Apple to another according to IBM.

The reason this is so important is formulated in sight in the joint press release: "Apple and Cisco today announced a partnership to create a fast track to business users iOS optimization device networking applications and Cisco IOS iPhone integration with Cisco enterprise environments and provide unique collaboration in the iPhone and iPad. "

The good news is that networks and Cisco IOS devices are optimized to work together "in a more efficient and reliable." This is very important when you consider how important it is for Cisco networks worldwide, with a strong presence in the field of unified communications, SDN, the data center and wireless infrastructure.

This means that business users can enjoy better compatibility, performance and equipment. More than that, it also means that developers based Cisco aimed at companies that offer digital business processes, web-based intelligence solutions and all sorts of arcane sound solutions to its customers profound technology making even more likely that Apple is brought into the fold.

Apple clear determination to build a future in the enterprise market (as evidenced by his alliances IBM and Cisco) should also reassure users of the company's business is in it for the long term.Put it all together and it seems likely that in the next 18-24 months, Apple will not be alone in the company, it will be within the corporate network. That opens up interesting opportunities in the intelligence network, in combination with artificial intelligence with implications for the whole future of connected planet.

Because the network is critical to the evolution of business technology. We are already seeing the importance that surrounds words like big data, artificial intelligence, SDI, DaaS and so on. According Cisco technologies means Apple will quickly become equal players also in the deepest part of the IT companies.

Implementation inside the Apple support solutions from Cisco and IBM will result in improvements for iOS systems at all levels of the new IT company, including (fundamental) development of new activities.

The latter can only be good news for emerging markets laptops and Internet of Things, which provide that the integration of the network will be crucial, particularly with respect to security and privacy. And while governments seem globally to launch the security and privacy of the individual against the wall, companies are not likely to grant this without a fight - and Apple has a history of winning CTO of security awareness privacy can now support.

In the short term, you can not see much of this new agreement, Cisco. With the support of Apple, Cisco will provide experiences specifically optimized for iOS through collaboration tools and Spark mobile cloud-based local and Cisco, Cisco TelePresence and Cisco WebEx. Apple and Cisco iPhone will also improve support for enterprise collaboration tools and environments Cisco voice and video, promising a "seamless experience between iPhone and landlines."

You have to hand it to Apple CEO Tim Cook. The scale of the ambition of the company is only now applying and much more Apple clock. You see, what Apple is doing is taking advantage of his powerful story of merging its consumer products strictly in the digital transformation of all.

These foundations provide a starting point to enter new sectors; I'm talking about smart cars and smart clothing and smart cities and intelligent infrastructure. Critics say Apple is the new Microsoft, but I think Apple's vision goes beyond Redmond has ever made. Welcome to the world of computers. Mine is a Mac.

Friday, 3 April 2015

200-120 Exam Question

QUESTION : 12

Refer to the exhibit.




After HostA pings HostB, which entry will be in the ARP cache of HostA to support this transmission?


A. Exhibit A
B. Exhibit B
C. Exhibit C
D. Exhibit D
E. Exhibit E
F. Exhibit F

Answer: A

Friday, 6 February 2015

200-120 Exam Question

QUESTION : 11

Refer to the exhibit.


Host A pings interface S0/0 on router 3.
What is the TTL value for that ping?

A. 252
B. 253
C. 254
D. 255

Answer: B

Explanation:

From the CCNA ICND2 Exam book: ° Rout er s decr e ment t he TTL by 1 ever yti e they forward a packet; if
a router decrements the TTL to 0, it throws away the packet. This prevents packets from rotating forever. ±
I want to make it clear that before the router forwards a packet, the TTL is still remain the same.
For example in the topology above, pings to S0/1 and S0/0 of Router 2 have the same TTL. The picture
below shows TTL values for each interface of each router and for Host B.
Notice that Host A initializes ICMP packet with a TTL of 255: