Cyber-physical systems refer to the integration of computing devices, smart objects, people and physical environments. They bring the physical and digital worlds together to create a networked system in which smart objects and people can communicate with one another and each other (human-to-machine, machine-to-machine, and physical component to software component communication). At its most basic, industry 4.0 refers to the technological evolution from programmed controlling and operating systems to cyber-physical systems. Therefore, cyber-physical systems are at the heart of industry 4.0.
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1. Self-driving cars that use sensors, lasers and cameras to build a map of their environment, including the current and predicted location of all nearby static and moving obstacles. The car then locates itself within this map and plans a safe path to its destination.
2. Electricity supply networks made up of smart meters, smart appliances and renewable energy resources with digital communication and controls technology that can detect and react to local usage changes.
3. A smart home where smart devices such as connected thermostats, lights and window shading can be integrated to communicate and automatically adjust based on your schedule, the time, the season or local weather.
1.5.3.5 Packet Tracer – Creating a Cyber World Answers
Packet Tracer – Creating a Cyber World (Answers Version)
Answers Note: Red font color or gray highlights indicate text that appears in the Answers copy only.
Addressing Table
Device
IP Address
Subnet Mask
Site
FTP/Web Server
10.44.1.254
255.255.255.0
Metropolis Bank HQ
Email/DNS Server
10.44.1.253
255.255.255.0
Metropolis Bank HQ
NTP/AAA Server
10.44.1.252
255.255.255.0
Metropolis Bank HQ
File Backup Server
10.44.2.254
255.255.255.0
Gotham Healthcare Branch
Objectives
Part 1: Configure the FTP Server
Part 2: Configure the Web Server
Part 3: Configure the Email Server
Affinity publisher beta 1 8 2 603. Part 4: Configure the DNS Server
Part 5: Configure the NTP Server
Part 6: Configure the AAA Server
Background / Scenario
In this activity, you will configure basic server components. The IP addressing configuration is already complete. You will use the Services tab on multiple servers to deploy FTP, Web, Email, DNS, NTP, and AAA services.
Part 1: Configure the FTP Server
Step 1: Activate the FTP Service.
Click the Metropolis Bank HQ and then click the FTP/Web server.
Click the Services tab and then click FTP.
Turn on the FTP service using the radial button at the top.
Step 2: Allow users’ access to the FTP server.
Create user account names of bob, mary, and mike, each with the password of cisco123.
Each user account should have full permissions (RWDNL) on the FTP/Web server.
Part 2: Configure the Web Server
Step 1: Activate the HTTP Service.
Within the Metropolis Bank HQ, click the FTP/Web server.
Click the Services tab and then click HTTP.
Turn on both the HTTP and HTTPS services using the radial buttons at the top.
Step 2: Verify the HTTP Service.
Click the PC named Sally, and click the Desktop tab.
Click the Web Browser. Browse to the website www.cisco.corp.
Within the Web Browser, browse to the IP 10.44.1.254.
Why would a user be able to browse to an IP address but not a FQDN?
The web browser does not know IP address without DNS to translate the domain name to the IP address.
Part 3: Configure the DNS Server
Step 1: Activate the DNS Service.
Within the Metropolis Bank HQ, click the Email/DNS server.
Click the Services tab and then click DNS.
Turn on the DNS service using the radial button at the top.
Step 2: Create the DNS A records.
Create the A record email.cisco.corp with IP address 10.44.1.253. Click Add to save the record.
Create the A record www.cisco.corp with IP address 10.44.1.254. Click Add to save the record.
Step 3: Verify the DNS Service.
Click the PC named Sally, and click the Desktop tab.
Click the Web Browser. Browse to the website www.cisco.corp.
Why is the user able to browse to an FQDN?
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The DNS server translated the domain name to the associated IP address so the web browser can understand it.
Part 4: Configure the Email Server
Step 1: Activate the Email Services.
Within the Metropolis Bank HQ, click the Email/DNS server.
Click the Services tab and then click on EMAIL.
Turn on both the SMTP and POP3 services using the radial buttons at the top.
Step 2: Create Email accounts for users.
Create the domain name of cisco.corp.
Create user account names of phil, sally, bob, dave, mary, tim and mike, each with the password of cisco123.
Step 3: Configure user Email clients.
Click the PC named Sally, and click the Desktop tab.
Click Email and enter the following information: Name: Sally Email Address: sally@cisco.corp Incoming & Outgoing Email Server(s): email.cisco.corp Username: sally Password: cisco123
Repeat Step 3b on the PC named Bob but replace the name sally with bob as needed. Why does the Email service require both SMTP and POP3 to be activated?________________________________________________________________________________________________________________________________________________________________________ SMTP is the protocol responsible for sending emails between servers, and POP is a protocol used by local email clients to retrieve emails from a server.
Part 5: Configure the NTP Server
Step 1: Activate the NTP Service.
Within the Metropolis Bank HQ, click the NTP/AAA server.
Click the Services tab and then click NTP.
Turn on the NTP service using the radial button at the top.
Step 2: Secure the NTP Service.
Enable the NTP authentication feature using the radial button.
Configure Key 1 with a password of cisco123.
Part 6: Configure the AAA Server
Step 1: Activate the AAA Service.
Infographics Lab 3 4 8 0 3
Within the Metropolis Bank HQ, click the NTP/AAA server.
Click the Services tab and then click AAA.
Turn on the AAA service using the radial button at the top.
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Step 2: Configure the AAA Network Configuration.
Infographics Lab 3 4 8 0 Photos
Configure the Client Name HQ_Router with the Client IP 10.44.1.1 with a secret of cisco123. Click Add to save the client information.
Configure the AAA user account of admin with a password of cisco123. Click Add to save the user information.