If an Internet Service Provider (ISP) has the following chunk of CIDR-based IP addresses available with it:245.248.128.0/20 and the ISP wants to give half of this chunk of address to Organization A, and a quarter to Organization B, while retaining the remaining with itself. Then, which among the following is a valid allocation of addresses to A and B? 245.248.136.0/21 and 245.248.128.0/22 245.248.136.0/24 and 245.248.132.0/21 245.248.128.0/21 and 245.248.128.0/22 245.248.132.0/22 and 245.248.132.0/21

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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12
If an Internet Service Provider (ISP) has the following chunk of CIDR-based IP
addresses available with it:245.248.128.0/20 and the ISP wants to give half of
this chunk of address to Organization A, and a quarter to Organization B, while
retaining the remaining with itself. Then, which among the following is a valid
allocation of addresses to A and B?
245.248.136.0/21 and 245.248.128.0/22
245.248.136.0/24 and 245.248.132.0/21
245.248.128.0/21 and 245.248.128.0/22
245.248.132.0/22 and 245.248.132.0/21
Transcribed Image Text:12 If an Internet Service Provider (ISP) has the following chunk of CIDR-based IP addresses available with it:245.248.128.0/20 and the ISP wants to give half of this chunk of address to Organization A, and a quarter to Organization B, while retaining the remaining with itself. Then, which among the following is a valid allocation of addresses to A and B? 245.248.136.0/21 and 245.248.128.0/22 245.248.136.0/24 and 245.248.132.0/21 245.248.128.0/21 and 245.248.128.0/22 245.248.132.0/22 and 245.248.132.0/21
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