Scenarios for (100-105) CCENT CCNA

[deanwebb]

Scenarios for (100-105) CCENT CCNA

PC A is connected to a switch. PC B is connected to the same switch, on a different port. The switch cannot perform routing functions and no router is available.
*How should the PCs be configured in order to communicate with each other?
*How should the switch be configured in order to allow PC A to communicate with PC B?

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A company has a networking problem. It has one main site with 1000 employees and five regional sites, each with 200 employees. Each employee has a desktop PC, a VoIP phone, and a wireless tablet, 6000 endpoint devices, total. All devices are connected via hubs and are on the 10.0.0.0 network with a 255.0.0.0 subnet mask. Network activity is overwhelmed by broadcast storms.

You have been hired to fix this problem. The company has purchased 12 routers - 2 for each location. Why would the company want 2 routers per location?

The company has also purchased sufficient layer 3 capable switches for each location. Why would the company desire layer 3 capable switches?

Assign IP ranges to each site, using ranges in the 10.0.0.0 range. Include ranges for the point-to-point connections from the main site to each regional site.
Will you have separate ranges for data, voice, and wireless networks? Why or why not?
If you wanted to have each site linked to each other site in a full mesh, what method would be preferable to defining 15 static routes between each site?

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A user says that he is unable to access the Internet. You are able to ping that user's device.
a. Does this mean that the user's network card is functional?
b. Does this mean that the user has a valid network connection?
c. Does this mean that the user has access to the internal network?
d. If another user on the same VLAN is able to access Internet sites, what can you conclude about the first user's issue?

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At a small site, administrators assign it the IP range of 192.168.220.0 /26. What IP addresses are available for that site to assign to devices?

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If device A has the IP address of 10.240.237.1 with a subnet mask of 255.255.255.0, device B has an IP address of 10.240.237.2 with a subnet mask of 255.255.255.128, and device C has an IP address of 172.16.1.1 with a subnet mask of 255.255.255.0, assuming that the L3 switch between the devices has a route for the 10.240.237.0/24 and 172.16.1.0/24 networks, what potential communication problems could happen as a result of the subnet mask on device B?