What is the first address of the first subblock

Assignment Help Management Information Sys

Reference no: EM132181528

Question One

An organization is assigned the IP address 14.24.75.0/26. The organization needs two subblocks: the first subblock with 15 devices, and the second one with 10 devices.Address space of the first subblock follows the address space of the second subblock.

a) What is the first address of the first subblock?

b) What is the last address of the first subblock?

c) What is the total number of addresses in the first subblock?

d) What is the first address of the secondsubblock?

e) What is the last address of the secondsubblock?

f) What is the total number of addresses in the second subblock?

g) What is the network address of the first subblock?

h) Can we add a third subblock with 44 devices? Explain.

Show or explain how to get your answers. Final answers should be in decimal dotted notation.

Do not provide any drawings/figures in your answers. Otherwise your work is awarded a zero mark.

Question Two

Based on the figure below, fill out the following routing tables using OSPF routing protocol.

R2 Forwarding Table R3 Forwarding Table

Destination Network	Next Router	Cost
N1		10
N2		4
N3		6
N4		9

Destination Network	Next Router	Cost
N1	R2
N2	R2
N3	----------
N4	----------

Question Three

Reliability can be achieved by adding error control services to the transport layer. What are the responsibilities of the error control at the Transport layer? List threeresponsibilities.

Question Four

There are different transport layer protocols including Stop-and-Wait, GBN, and SR.

1) How efficiency is improved in GBN compared to Stop-and-Wait?

2) How efficiency is improved in SR compared to GBN?

Reference no: EM132181528

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