Network layer

Network layer. Question 1: Consider the value of generator (G) is 10011, and data (D) is 1011101010. Calculate the CRC? (1 point)
Question 2: For the following network address: 199.80.50.0 /27, answer the following. (2 points)
Address class
Default subnet mask
Custom subnet mask
Total number of subnets
Total number of ip addresses in each subnet
Number of usable addresses in each subnet
Question 3: Consider the following network.

a)With the indicated link costs, use Dijkstra’s shortest-path algorithm to compute the shortest path from x to all network nodes. ( 1 point)
b)After that develop the forwarding table for node x (1 point)
Step
N’
D(t), p(t)
D(u), p(u)
D(v), p(v)
D(w), p(w)
D(y), p(y)
D(z), p(z)
0
x
1
2
3
4
5
6
Forwarding table
destination
Link/Interface

Network layer

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