BUSINESS DATA COMMUNICATIONS AND NETWORK
BUSINESS DATA COMMUNICATIONS AND NETWORK
13th Edition
ISBN: 9781119441113
Author: FITZGERALD
Publisher: amazon.com
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Chapter 4, Problem 4MC

Explanation of Solution

1.

Recommendation of large Internet connection without considering transmission efficiency:

  • V92 MODEM is recommended for large Internet connection without considering the transmission efficiency...

Explanation of Solution

2.

Recommendation of a large Internet connection with an efficiency of about 90%:

  • A system manager can use the Transmission Rate of Information Bits (TRIB) calculation to determine the efficiency of the Internet connection...

Explanation of Solution

3.

Recommendation of large Internet connection that provides sufficient capacity for the next 2 years:

  • ZMODEM is recommended while transmitting large sums of data every hour and providing sufficient capacity for the next two years.
  • This protocol is recommended for the file transfer and it handles a message length up to 1024 bits...

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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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