HDLC
The company Cisco sells their switches directly. The Cisco website has links to where one can purchase Cisco switches. Alternatively, Cisco switches can be purchased second-hand from online retailers such as Ebay.
Point-to-Point Protocol, or PPP, is a data link protocol commonly used to establish a direct connection between two nodes over serial cable, phone line, trunk line, cellular telephone, specialized radio links, or fiber optic links
Yes, Cisco Telepresence is a communcations company. It has been in business since 2006. It links two separate places together, allowing video conferences to take place.
RSTP
The Cisco CCIE 360 Learning Program for Routing and Switching offers multiple encompassing the most coveted Cisco certifications available today, CCIE.As Cisco Specialized Learning Partner all of the Cisco courses we develop Individuals searching for ccie training found the links, articles, and information on this page helpful.
transitive with bridging enabled.
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Allows for redundant links by eliminating loops.
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In a Spanning Tree Protocol (STP) environment, the root bridge is determined by the Bridge ID, which consists of the Bridge Priority and the MAC address. By default, all switches have a Bridge Priority of 32768, so the switch with the lowest MAC address will become the root bridge. Therefore, if all switches have default STP configurations, the switch with the lowest MAC address will be elected as the root bridge.