Consider the following topology. E ● A D R4 B C a. How many subnets are there in this topology? b. Assign network addresses to each of these subnets from their ISP that has the following IP addresses: 208.92.240/20. The IP address assignments should respect the following constraints: Subnet A should have enough addresses to support 500 interfaces; Subnet B should have enough addresses to support 1000 interfaces; Subnet C should have enough addresses to support 800 interfaces; Subnet D should have enough addresses to support 900 interfaces; Subnet E should have enough addresses to support 450 interfaces. The remaining subnets should each be able to support two interfaces. For each subnet, the assignment should take the form a.b.c.d/x or (a.b.c.d/x minus e.f.g.h/y).

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Consider the following topology.

a. How many subnets are there in this topology?
b. Assign network addresses to each of these subnets from their ISP that has the following IP addresses:
208.92.240/20. The IP address assignments should respect the following constraints:
 Subnet A should have enough addresses to support 500 interfaces;
 Subnet B should have enough addresses to support 1000 interfaces;
 Subnet C should have enough addresses to support 800 interfaces;
 Subnet D should have enough addresses to support 900 interfaces;
 Subnet E should have enough addresses to support 450 interfaces.
 The remaining subnets should each be able to support two interfaces.
For each subnet, the assignment should take the form a.b.c.d/x or (a.b.c.d/x minus e.f.g.h/y).

Consider the following topology.
R2
●
A
R1
R3
с
a. How many subnets are there in this topology?
b. Assign network addresses to each of these subnets from their ISP that has the following IP addresses:
208.92.240/20. The IP address assignments should respect the following constraints:
Subnet A should have enough addresses to support 500 interfaces;
Subnet B should have enough addresses to support 1000 interfaces;
Subnet C should have enough addresses to support 800 interfaces;
Subnet D should have enough addresses to support 900 interfaces;
Subnet E should have enough addresses to support 450 interfaces.
The remaining subnets should each be able to support two interfaces.
For each subnet, the assignment should take the form a.b.c.d/x or (a.b.c.d/x minus e.f.g.h/y).
Transcribed Image Text:Consider the following topology. R2 ● A R1 R3 с a. How many subnets are there in this topology? b. Assign network addresses to each of these subnets from their ISP that has the following IP addresses: 208.92.240/20. The IP address assignments should respect the following constraints: Subnet A should have enough addresses to support 500 interfaces; Subnet B should have enough addresses to support 1000 interfaces; Subnet C should have enough addresses to support 800 interfaces; Subnet D should have enough addresses to support 900 interfaces; Subnet E should have enough addresses to support 450 interfaces. The remaining subnets should each be able to support two interfaces. For each subnet, the assignment should take the form a.b.c.d/x or (a.b.c.d/x minus e.f.g.h/y).
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Culd you please epxlin how did you calculated this subnets? and could you please provide some source for your answer?

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