BUSINESS DATA COMMUNICATIONS AND NETWORK
BUSINESS DATA COMMUNICATIONS AND NETWORK
13th Edition
ISBN: 9781119441113
Author: FITZGERALD
Publisher: amazon.com
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Chapter 8, Problem 6MC
Program Plan Intro

Switched backbone:

  • A switched backbone is the type of backbone network (BN) used in the distribution layer that consists of a number of connectivity devices that connected to a series of central connectivity devices such as switches or routers, and hubs.
  • Switched backbone networks use star topology to connect a series of local area networks (LANs).
    • Here, the LAN switches are close to the computers in their LANs and beyond from the backbone switch.

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write a simple memory management simulator in C that supports paging. In this setup the logical address space (216= 65,536 bytes) is larger than the physical address space (215 bytes), and the page size is 256 bytes. The maximum no. of entries in the TLB (Translation Lookaside Buffer) = 16. memory.c - You are to provide your solution in a single C program named memory.c. Your simulator needs to accomplish the following: 1. Simulate a memory management unit (MMU), which translates logical addresses to physical addresses 1. Translating a logical address to physical address in this setup will involve the following: Check TLB for the page. If page not found in the TLB, check the page table if the page exists in memory. If it does not, then a page fault occurs. 2. Handling page faults involves copy the page from the backing store to memory. Since logical address space is larger than physical address space, a page request might involve replacing a page in memory with the new page. The page…
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