An ISP has a 127.3.0.0/16 IP address. 14. Customer A is given a 127.3.0.0/24 group of IP addresses. How many addresses do they get 15. What is the range of IP addresses they get? (E.g. if A got 2, the answer might be 127.3.0.0-127.3.0.1) 16. Customer B is given another /24 block immediately after Customer A's block. What is the CIDR notation for their block? 17. Customer A and Customer B are physically near each other. If we want a way to refer to their combined block, what is a single CIDR notation for both sets of IP addresses? 18. What is the subnet mask for this new merged subnet?

An ISP has a 127.3.0.0/16 IP address. 14. Customer A is given a 127.3.0.0/24 group of IP addresses. How many addresses do they get 15. What is the range of IP addresses they get? (E.g. if A got 2, the answer might be 127.3.0.0-127.3.0.1) 16. Customer B is given another /24 block immediately after Customer A's block. What is the CIDR notation for their block? 17. Customer A and Customer B are physically near each other. If we want a way to refer to their combined block, what is a single CIDR notation for both sets of IP addresses? 18. What is the subnet mask for this new merged subnet?

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

Section: Chapter Questions

Problem 1PE

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An ISP has a 127.3.0.0/16 IP address. Customer A is given a 127.3.0.0/24 group of IP addresses. How many addresses do they get? What is the range of IP addresses they get? (E.g. if A got 2, the answer might be 3.0.0-127.3.0.1) Customer B is given another /24 block immediately after Customer A’s What is the CIDR notation for their block? Customer A and Customer B are physically near each If we want a way to refer to their combined block, what is a single CIDR notation for both sets of IP addresses? What is the subnet mask for this new merged subnet?
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Please solve it correctly and please provide explanation of your answers. A PC and a Web Server are communicating over a TCP connection. The PC had started the three way handshake with the initial sequence number of 3069 . The Web Server's initial sequence number is 4830 . The window size of the PC is 815 bytes and the window size of the Web Server is 463 bytes. Using the third TCP handshake ack segment the PC sends the http request of the size 396 bytes to the Web Server. Then the Web Server answers with 3 segments containing the requested data. The first segment size is 42 bytes and the second segment size is 276 bytes and the third segment size is 146 bytes respectively. The PC receives all three segments within the timer. But unfortunately the second segment was corrupted. So the PC immediately sends an acknowledgement segment. Assume that the PC uses Selective Repeat/Reject ARQ. (a) What will be the sequence number of the third TCP handshake signal send from PC to webserver?…
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