Q. Create an html5 page with following specifications
c. Place your college name at the top of the page in large text followed by address in smaller size
a. Title should be about MYCOLLEGE
b. Put the windows logo image in the background c. Place your college name at the top of the page in large text followed by address in smaller size
d. Add names of courses offered each in a different color, style, and typeface e. Add scrolling text with message of your choice
f. Add college image at the bottom (HINT: use appropriate header and footer for the page)
HTML Code:
<HTML>
<HEAD><TITLE><CENTER>My College</CENTER></TITLE></HEAD>
<BODY BGCOLOR="ORANGE">
<FONT SIZE="7" FACE="ARIAL" COLOR="BLUE"><CENTER>FC COLLEGE,
<SMALL>PUNE<CENTER></SMALL></FONT><BR>
<BODY BGCOLOR="RED"><CENTER>
<font size="2" face="arial" color="blue"<B>Cources</B></font><BR>
<font size="2" face="arial" color="red"<B>Mathematics</B></font><BR>
<font size="2" face="arial" color="green"<I>Computer Science</I></font><BR>
<font size="2" face="arial" color="brown"<U>Physicis</U></font><BR>
<BODY BGCOLOR="PINK"<CENTER>
<font size="2" face="arial" color="yellow"<B>Botany</B></font><BR>
<font size="2" face="arial" color="brown"<I>Electronics</I></font><BR>
<font size="2" face="arial" color="grey"<U>Chemistry</U></font><BR>
<BODY BGCOLOR="PINK"<CENTER>
<MARQUEE BEHAVIOUR="SLIDE"> NAAC ACCREDITED AT 'A' GRADE COLLEGE</MARQUEE>
<IMG SRC="a.jpg" WIDTH="400" HEIGHT="400" ALT="IMAGE CANNOT BE DISPLAYED">
</BODY>
</HTML>
Output:
f. Add college image at the bottom (HINT: use appropriate header and footer for the page)
HTML Code:
<HTML>
<HEAD><TITLE><CENTER>My College</CENTER></TITLE></HEAD>
<BODY BGCOLOR="ORANGE">
<FONT SIZE="7" FACE="ARIAL" COLOR="BLUE"><CENTER>FC COLLEGE,
<SMALL>PUNE<CENTER></SMALL></FONT><BR>
<BODY BGCOLOR="RED"><CENTER>
<font size="2" face="arial" color="blue"<B>Cources</B></font><BR>
<font size="2" face="arial" color="red"<B>Mathematics</B></font><BR>
<font size="2" face="arial" color="green"<I>Computer Science</I></font><BR>
<font size="2" face="arial" color="brown"<U>Physicis</U></font><BR>
<BODY BGCOLOR="PINK"<CENTER>
<font size="2" face="arial" color="yellow"<B>Botany</B></font><BR>
<font size="2" face="arial" color="brown"<I>Electronics</I></font><BR>
<font size="2" face="arial" color="grey"<U>Chemistry</U></font><BR>
<BODY BGCOLOR="PINK"<CENTER>
<MARQUEE BEHAVIOUR="SLIDE"> NAAC ACCREDITED AT 'A' GRADE COLLEGE</MARQUEE>
<IMG SRC="a.jpg" WIDTH="400" HEIGHT="400" ALT="IMAGE CANNOT BE DISPLAYED">
</BODY>
</HTML>
Output:
9 Comments
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ReplyDeletePRACTICAL NO. 6
ReplyDeleteLAYER-2 SWITCHING: VLAN, TRUNKING AND INTER-VLAN ROUTING
============================================================
AIM
To configure Layer-2 switching features including VLAN creation, trunking and Inter-VLAN communication.
OBJECTIVES
1. To create VLANs and assign switch ports to them.
2. To configure a trunk link between a switch and a router.
3. To enable communication between VLANs using router-on-a-stick.
PROCEDURE
1. Place one switch, one router and four PCs in Packet Tracer.
2. Connect PC1 and PC2 to switch ports Fa0/1 and Fa0/2. Connect PC3 and PC4 to Fa0/3 and Fa0/4.
3. Create VLAN 10 named Sales and VLAN 20 named HR.
4. Assign Fa0/1-Fa0/2 to VLAN 10 and Fa0/3-Fa0/4 to VLAN 20.
5. Connect switch Fa0/24 to router GigabitEthernet0/0 and configure the switch port as a trunk.
6. Configure router sub-interfaces for VLAN 10 and VLAN 20 using dot1Q encapsulation.
7. Assign PC addresses in the correct VLAN networks and use the router sub-interface IP as each PC's gateway.
8. Verify VLANs, trunking and inter-VLAN communication.
NETWORKS
VLAN 10 - Sales: 192.168.10.0/24; Gateway 192.168.10.1
VLAN 20 - HR: 192.168.20.0/24; Gateway 192.168.20.1
SHORT COMMANDS - SWITCH
configure terminal
vlan 10
name Sales
vlan 20
name HR
exit
interface range fastEthernet 0/1-2
switchport mode access
switchport access vlan 10
exit
interface range fastEthernet 0/3-4
switchport mode access
switchport access vlan 20
exit
interface fastEthernet 0/24
switchport mode trunk
end
SHORT COMMANDS - ROUTER (ROUTER-ON-A-STICK)
configure terminal
interface gigabitEthernet 0/0
no shutdown
exit
interface gigabitEthernet 0/0.10
encapsulation dot1Q 10
ip address 192.168.10.1 255.255.255.0
exit
interface gigabitEthernet 0/0.20
encapsulation dot1Q 20
ip address 192.168.20.1 255.255.255.0
end
VERIFICATION COMMANDS
show vlan brief
show interfaces trunk
ping 192.168.20.2
CONCLUSION
VLANs and trunking were configured successfully. Hosts in the same VLAN communicated directly. After router sub-interfaces were configured, communication between different VLANs worked.
PRACTICAL NO. 7
ReplyDeleteNETWORK SERVICES - DHCP AND DNS
============================================================
AIM
To configure network services such as DHCP and DNS servers in a simulated environment and verify client connectivity.
OBJECTIVES
1. To automate IP address assignment using DHCP.
2. To resolve domain names to IP addresses using DNS.
3. To verify that clients receive network settings and resolve names correctly.
PROCEDURE
1. Place one switch, one server and three PCs in Packet Tracer.
2. Connect the server and all PCs to the switch using Copper Straight-Through cables.
3. Set the server's static IP address to 192.168.1.10 and subnet mask to 255.255.255.0.
4. Open Server > Services > DHCP and turn the service On.
5. Create pool LAN-POOL with gateway 192.168.1.1, DNS server 192.168.1.10, starting IP 192.168.1.50, mask 255.255.255.0 and maximum users 50. Click Save.
6. Open Server > Services > DNS and turn the service On.
7. Add an A record: www.college.com pointing to 192.168.1.10. Click Add.
8. On each PC, open Desktop > IP Configuration and select DHCP.
9. Use the commands below to check the assigned address and DNS name resolution.
SHORT SERVER SETTINGS
Server IP: 192.168.1.10
Subnet Mask: 255.255.255.0
DHCP Pool: LAN-POOL
Default Gateway: 192.168.1.1
DNS Server: 192.168.1.10
Start IP: 192.168.1.50
Maximum Users: 50
DNS A Record: www.college.com -> 192.168.1.10
TEST COMMANDS (PC COMMAND PROMPT)
ipconfig /all
ping www.college.com
nslookup www.college.com
ALTERNATIVE: DHCP CONFIGURATION ON A ROUTER
configure terminal
ip dhcp excluded-address 192.168.1.1 192.168.1.10
ip dhcp pool LAN-POOL
network 192.168.1.0 255.255.255.0
default-router 192.168.1.1
dns-server 192.168.1.10
end
CONCLUSION
DHCP and DNS services were configured. Clients automatically received IP addresses, and the domain name was resolved to the server IP address.
PRACTICAL NO. 8
ReplyDeletePACKET CAPTURE AND ANALYSIS USING WIRESHARK
============================================================
AIM
To capture and analyze network traffic using Wireshark and identify Ethernet, IP, TCP, UDP, ICMP, HTTP and DNS packets.
OBJECTIVES
1. To capture live packets on a network interface.
2. To apply display filters to identify specific protocols.
3. To examine packet headers at different network layers.
PROCEDURE
1. Open Wireshark.
2. Select the active network interface, such as Wi-Fi or Ethernet.
3. Click Start Capture.
4. Generate network traffic by running ping and nslookup commands and opening an HTTP website in a browser.
5. Stop the capture.
6. Enter display filters one by one to show selected packet types.
7. Select a packet and expand the details to study its protocol headers.
SHORT DISPLAY FILTERS
eth - Shows Ethernet frames.
ip - Shows IP packets.
tcp - Shows TCP packets.
udp - Shows UDP packets.
icmp - Shows ping request/reply packets.
http - Shows HTTP packets.
dns - Shows DNS packets.
ip.addr == 192.168.1.2 - Shows packets with this IP address.
tcp.port == 80 - Shows TCP traffic using port 80.
dns.qry.name == "example.com" - Shows DNS queries for example.com.
CONCLUSION
Network traffic was captured and analyzed using Wireshark. Ethernet, IP, TCP, UDP, ICMP, HTTP and DNS packets were identified with display filters, and their header fields were studied.
PRACTICAL NO. 9
ReplyDeleteBASIC NETWORK SECURITY: ACL, FIREWALL RULES AND SSH/TELNET
============================================================
AIM
To configure basic network security using Access Control Lists (ACLs), firewall rules and secure remote access through SSH.
OBJECTIVES
1. To filter traffic using standard and extended ACLs.
2. To apply firewall-style permit and deny rules.
3. To configure SSH and compare it with Telnet.
PROCEDURE
1. Create two LANs connected by a router: LAN1 192.168.1.0/24 and LAN2 192.168.2.0/24.
2. Place a server at 192.168.2.10.
3. Configure a standard ACL to block host 192.168.1.5 from reaching LAN2.
4. Configure an extended ACL to allow HTTP traffic to the server and deny other IP traffic.
5. Configure SSH on the router by setting the hostname, domain name, RSA key, username and SSH version 2.
6. Allow SSH on the VTY lines and use local login.
7. Check ACLs and test SSH. Telnet should fail when only SSH is allowed.
SHORT COMMANDS - STANDARD ACL
configure terminal
access-list 10 deny host 192.168.1.5
access-list 10 permit any
interface gigabitEthernet 0/1
ip access-group 10 out
exit
SHORT COMMANDS - EXTENDED ACL / FIREWALL
ip access-list extended FIREWALL
permit tcp 192.168.1.0 0.0.0.255 host 192.168.2.10 eq 80
deny ip any any
exit
interface gigabitEthernet 0/0
ip access-group FIREWALL in
exit
SHORT COMMANDS - SSH
hostname R1
ip domain-name college.local
crypto key generate rsa modulus 1024
username admin secret Admin@123
ip ssh version 2
line vty 0 4
transport input ssh
login local
exit
VERIFICATION COMMANDS
show access-lists
ssh -l admin 192.168.1.1
telnet 192.168.1.1
CONCLUSION
ACLs, firewall rules and SSH were configured. Unwanted traffic was blocked while permitted traffic passed. SSH encrypts the remote session, unlike Telnet, which sends data in plain text.
PRACTICAL NO. 10
ReplyDeleteMINI SKILL DEVELOPMENT PROJECT: SECURE ENTERPRISE NETWORK (COLLEGE)
============================================================
AIM
To design, configure and troubleshoot a secure college enterprise network integrating VLANs, routing, DHCP, DNS and network security.
OBJECTIVES
1. To plan an IP addressing scheme and VLAN structure for an organization.
2. To integrate VLANs, inter-VLAN routing, DHCP and DNS.
3. To apply ACLs and SSH and troubleshoot network problems.
PROCEDURE
1. Design a college network with Admin, Faculty, Computer Lab and Server Room departments.
2. Place a core router, switches, PCs and a DHCP/DNS server in Packet Tracer.
3. Create VLANs 10, 20, 30 and 40. Assign access ports to the correct VLANs.
4. Configure the router-facing switch port as a trunk.
5. Configure router sub-interfaces using dot1Q encapsulation for inter-VLAN routing.
6. Configure DHCP pools for each VLAN on the server or router. Add DNS records such as www.college.com.
7. Apply ACLs to allow Admin and Faculty to access the server and block Lab VLAN traffic from reaching Admin VLAN.
8. Configure SSH on routers and switches and disable Telnet.
9. Test DHCP, ping between VLANs, DNS resolution, ACL rules and SSH login.
10. Troubleshoot using show commands, ping and tracert.
VLAN AND IP ADDRESSING PLAN
Admin: VLAN 10 | Network 192.168.10.0/24 | Gateway 192.168.10.1
Faculty: VLAN 20 | Network 192.168.20.0/24 | Gateway 192.168.20.1
Computer Lab: VLAN 30 | Network 192.168.30.0/24 | Gateway 192.168.30.1
Server Room: VLAN 40 | Network 192.168.40.0/24 | Gateway 192.168.40.1
DHCP/DNS Server: 192.168.40.10
SHORT COMMANDS - ACL TO BLOCK LAB FROM ADMIN
ip access-list extended LAB-POLICY
deny ip 192.168.30.0 0.0.0.255 192.168.10.0 0.0.0.255
permit ip any any
exit
interface gigabitEthernet 0/0.30
ip access-group LAB-POLICY in
USEFUL VERIFICATION COMMANDS
show vlan brief
show ip route
show access-lists
ping [destination IP]
tracert [destination IP]
CONCLUSION
A secure college enterprise network was designed, configured and tested. VLAN segmentation, inter-VLAN routing, DHCP, DNS, ACLs and SSH worked together. Troubleshooting commands were used to identify and fix network problems.