Routing and Addressing in Computer Networks Quiz
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Questions and Answers

What does the path-vector routing algorithm advertise to neighboring speaker nodes?

  • The network delay to neighboring speaker nodes
  • The metric of the nodes in its autonomous system or other autonomous systems
  • The path of the nodes in its autonomous system or other autonomous systems (correct)
  • The distance to neighboring speaker nodes
  • What is carried in a special path attribute in path-vector routing?

  • The hop count and maximum transmission unit
  • The reliability and communication cost of the routes
  • The sequence of routing domains through which the reachability information has passed (correct)
  • The bandwidth and network delay of the routes
  • What does path selection involve in routing algorithms?

  • Applying a routing metric to multiple routes to select the best route (correct)
  • Storing all possible routes in the routing table
  • Carrying the sequence of routing domains through a special path attribute
  • Advertises networks in terms of a destination and the distance to that destination
  • What does prefix length refer to in routing algorithms?

    <p>A matching route table entry with a longer subnet mask is always preferred as it specifies the destination more exactly</p> Signup and view all the answers

    What do routing algorithms use to compute the metric?

    <p>Bandwidth, network delay, hop count, path cost, load, maximum transmission unit, reliability, and communication cost</p> Signup and view all the answers

    What is the main difference between distance vector routing and path-vector routing?

    <p>Distance vector routing advertises networks in terms of a destination and the distance to that destination, while path-vector routing advertises destination addresses and path descriptions</p> Signup and view all the answers

    What does the routing table store in most routing algorithms?

    <p>Only the best possible routes</p> Signup and view all the answers

    What enables the use of multiple alternative paths in routing?

    <p>Multipath routing and specifically equal-cost multi-path routing techniques</p> Signup and view all the answers

    Which form of addressing is more effective in large networks?

    <p>Structured addressing (routing)</p> Signup and view all the answers

    What is the dominant form of addressing on the Internet?

    <p>Routing</p> Signup and view all the answers

    Which type of message delivery includes one-to-many communication?

    <p>Multicast</p> Signup and view all the answers

    What does the article primarily focus on in terms of routing algorithms?

    <p>Unicast routing algorithms</p> Signup and view all the answers

    Which type of routing automatically constructs routing tables based on routing protocols?

    <p>Dynamic routing</p> Signup and view all the answers

    Which of the following are examples of dynamic-routing protocols and algorithms?

    <p>RIP, OSPF, and EIGRP</p> Signup and view all the answers

    Which algorithm uses the Bellman-Ford algorithm and assigns a cost number to each link between nodes?

    <p>Distance vector algorithm</p> Signup and view all the answers

    How do nodes determine the lowest total cost path to each destination in distance vector algorithms?

    <p>By sending information to each other</p> Signup and view all the answers

    Which type of algorithm independently determines the least-cost path to every other node using a graphical map of the network?

    <p>Link-state algorithm</p> Signup and view all the answers

    Which routing algorithm is optimized for mobile ad hoc networks?

    <p>Optimized Link State Routing Protocol (OLSR)</p> Signup and view all the answers

    Which type of routing is used for inter-domain routing?

    <p>Path-vector routing</p> Signup and view all the answers

    What is a drawback of distance vector routing?

    <p>Instability with more hops</p> Signup and view all the answers

    What is the process of selecting a path for traffic in a network or between multiple networks?

    <p>Routing</p> Signup and view all the answers

    What directs network packets from their source toward their destination through intermediate network nodes?

    <p>Packet forwarding</p> Signup and view all the answers

    What maintains a record of the routes to various network destinations?

    <p>Routing tables</p> Signup and view all the answers

    In a narrower sense, what does IP routing often refer to and contrast with?

    <p>Bridging</p> Signup and view all the answers

    What is the process of selecting a path for traffic in a network or between multiple networks?

    <p>Routing</p> Signup and view all the answers

    In packet switching networks, what is the higher-level decision making that directs network packets from their source toward their destination through intermediate network nodes by specific packet forwarding mechanisms?

    <p>Routing</p> Signup and view all the answers

    What do routing tables maintain a record of?

    <p>Routes to various network destinations</p> Signup and view all the answers

    In a narrower sense, what does IP routing often refer to and contrast with?

    <p>Bridging</p> Signup and view all the answers

    Study Notes

    Routing and Addressing in Computer Networks

    • Structured addressing (routing) is more effective than unstructured addressing (bridging) in large networks
    • Routing is the dominant form of addressing on the Internet, while bridging is widely used in local area networks
    • Delivery schemes in routing include unicast (one-to-one), broadcast (one-to-all), multicast (one-to-many), and anycast (one-to-one-of-many)
    • Unicast is the dominant form of message delivery on the Internet, and the article focuses on unicast routing algorithms
    • Dynamic routing automatically constructs routing tables based on routing protocols and dominates the Internet
    • Examples of dynamic-routing protocols and algorithms include RIP, OSPF, and EIGRP
    • Distance vector algorithms use the Bellman-Ford algorithm and assign a cost number to each link between nodes
    • Nodes send information to each other to determine the lowest total cost path to each destination
    • Link-state algorithms use a graphical map of the network and independently determine the least-cost path to every other node
    • The Optimized Link State Routing Protocol (OLSR) is a proactive link-state routing algorithm optimized for mobile ad hoc networks
    • Distance vector and link-state routing are intra-domain routing protocols, while path-vector routing is used for inter-domain routing
    • Distance vector routing is subject to instability with more hops, while link-state routing requires significant resources and creates heavy traffic due to flooding

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    Description

    Test your knowledge of routing and addressing in computer networks with this quiz. Explore the differences between structured and unstructured addressing, delivery schemes, dynamic routing protocols, and the characteristics of distance vector and link-state algorithms. Dive into the world of network routing and enhance your understanding of this fundamental aspect of computer networking.

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