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What is needed to successfully complete this link?

A customer in Europe needs to establish an 11-Mbps wireless bridge link between two office buildings that are approximately 1.3 km apart. The wireless link will pass through a public park, which contains a lake that is surrounded by trees. You run the range calculation and determine that the Cisco Aironet 1300 Series Outdoor Access Point/Bridge should work. You install the link using 10.5-dB yagis with 75 feet of standard Cisco cabling and both radios set at 20 mW. The wireless bridges are not able to establish or maintain a link.

What is needed to successfully complete this link?

what is the maximum number of voice calls that should be placed between Redmond and the HQ campus without usin

With the integration of Best into Ajax, the traffic patterns in both of the companies have changed, including the traffic over the WAN. The new traffic patterns dictate that a T1 circuit is needed. You calculate that data will consume 60% of the available L3 bandwidth on the T1 circuit. Using best practices, what is the maximum number of voice calls that should be placed between Redmond and the HQ campus without using header compression?

What does PVST+ do to correct this?

Refer to the exhibit. Switches A and C are running PVST+ STP, and Switch B is running 802.10 STP. If the BPDU of the root in VLAN 1 is better than the BPDU of the root in VLAN 2, then there is no blocking port in the VLAN topology. The BPDU of VLAN 2 never makes a “full circle” around the topology; it is replaced by the VLAN 1 BPDU on the B. C link, because B runs only one STP merged with VLAN 1 STP of PVST+. Thus, there is a forwardin loop.
What does PVST+ do to correct this?