Content Quiz 12-1: Computer Networks - Parts 12 + 13 (Network Layer Basics and Routing)

The primary goal of the network layer is to transfer packets between the _______ of the data and the ____ _______, possibly via multiple links.

origin, final destination, links

The network layer is responsible for routing (i.e., identifying the ____ that a packet must take to get from the source node to the destination node) and ______ received packets to the next node along the identified ______.

path, forwarding, path

Which of the following additional responsibilities does the network layer have?

a. flow control

b. congestion control

c. error control

d. internetworking

b. congestion control

d. internetworking

Every packet that the network layer of any node receives from the link layer is sent up to the transport layer of that node. True or false.

False

Which of the following is not the goal of a routing algorithm?

a. simplicity

b. stability

c. modularity

d. efficiency

e. robustness

c. modularity

When using shortest path routing, the shortest path is calculated and stored in a ______ ______

routing table

Dijkstra's algorithm finds the shortest path between ___________ (all/a given) source node(s) and __________ (a given/all) destination node(s) within that network.

a given, all

Elements written in blue font represent...

a. nodes that are yet to be explored

b. nodes that have been finalized

c. nodes to which the shortest distance from the source node has been found

c. nodes to which the shortest distance from the source node has been found

In any given iteration, nodes to which distances from the source node are as yet unknown are indicated using the value ________

infinity

In every iteration, the node with the _________ _______ _________ from the source node is chosen for exploration next.

shortest known distance