This a small corporate network installed in a building. It has three switches connected to the border router with built-in firewall capability to prevent intrusions from the Internet. Disregarding the connection between the firewall router and the Internet: a. How many LANs are there? b. How many subnetworks are there? c. If PC1 sends a message to the email server, is this inter-networking? d. If PC1 sends a message to the file server, is this inter-networking? e. What is the intermediary device used for intra-networking?

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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This a small corporate network installed in a building. It has three switches connected to the border router with built-in firewall capability to prevent intrusions from the Internet. Disregarding the connection between the firewall router and the Internet:

a. How many LANs are there?

b. How many subnetworks are there?

c. If PC1 sends a message to the email server, is this inter-networking?

d. If PC1 sends a message to the file server, is this inter-networking?

e. What is the intermediary device used for intra-networking?

PC1
Email server
File server
I Switch
The internet
Firewall
Switch
router
Switch
PC2
Transcribed Image Text:PC1 Email server File server I Switch The internet Firewall Switch router Switch PC2
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