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When would you use dynamic routing?
Dynamic routing is used in networks where the topology frequently changes or when multiple paths are available for data transmission. It allows routers to automatically adjust their paths based on current network conditions, such as traffic load or link failures. This is particularly beneficial in large, complex networks where manual configuration would be cumbersome and inefficient. Additionally, dynamic routing protocols improve network resilience and optimization by quickly adapting to changes.
What are the key features of WPA style encryption for securing wireless networks?
WPA (Wi-Fi Protected Access) encryption for securing wireless networks includes features like strong encryption algorithms, dynamic encryption keys, and authentication protocols to prevent unauthorized access and protect data transmission.
What are the pros and cons of routing information protocol?
The Routing Information Protocol (RIP) is a simple distance-vector routing protocol that is easy to configure and implement, making it suitable for small networks. However, its limitations include a maximum hop count of 15, which restricts scalability, and slower convergence times compared to more advanced protocols like OSPF or EIGRP. Additionally, RIP can lead to routing loops and suboptimal paths due to its reliance on periodic updates. Overall, while RIP is straightforward and resource-efficient, it may not meet the demands of larger or more dynamic networks.
Does a GRE tunnel allow the use of dynamic routing protocols across the tunnel?
Yes
Why do larger networks generally prefer dynamic routing over static routing?
Because dynamic routing saves a lot of time.
What are the functions of Link State Routing Protocols?
Link State Routing Protocols, such as OSPF and IS-IS, function by having routers share information about their local links and network topology. Each router builds a complete map of the network, allowing it to calculate the shortest path to each destination using algorithms like Dijkstra's. This approach enhances convergence speed and provides more accurate routing decisions compared to distance vector protocols, as each router has a complete view of the network. Additionally, Link State protocols can efficiently adapt to network changes, enabling dynamic routing updates.
What 2 tasks do dynamic routing protocols perform?
Network discoveryUpdate and maintain routing tables
Why is MAC important in wireless networks than in wired networks?
Medium Access Control (MAC) is crucial in wireless networks because it manages how multiple devices share the same airwaves, preventing data collisions and ensuring efficient communication. Unlike wired networks, where physical connections provide a more controlled environment, wireless networks face challenges such as varying signal strength, interference, and the need for dynamic access to the medium. Effective MAC protocols help optimize bandwidth usage, reduce latency, and maintain a stable connection in the inherently unpredictable wireless environment.
What is the effect of the switchport mode dynamic desirable command?
A trunk link is formed if the remote connected device is configured with the switchport mode dynamic auto or switchport mode trunk commands.
What are most common dynamic routing protocols?
Dynamic routing protocols are "languages" routers use to communicate the details and status of networks to which they are connected. Examples include RIP, OSPF, EIGRP, BGP and IS-IS.They are called dynamic because they can respond to network changes, such as a failed link, a new link or in some cases a change to a link (perhaps a changed bandwidth value). This is in contrast to a static route, which an administrator must type in manually and which cannot automatically respond to network changes.Two routers must be running the same routing protocol to exchange route information; RIP cannot talk directly to OSPF, for example. The router admin must enable the routing protocol, then instruct the router which of its connected networks it should advertise to other routers running the same protocol.
What are the four key issues in dynamic routing protocol?
Path determilnation, metric convergenence and load balancing
How does a dynamic route get into a routing table?
Routing is the process that direct a packet to choose an optimal path from source to destination. Routing is of two types static routing and dynamic routing . Dynamic routing is not done manually and uses a number of protocols , it is automatic.
