Certificate Authentication

Objectives:

• Describe encapsulation, de-encapsulation and modularity within the TCP/IP protocol stack.
• Describe, identify and explain the fields and flags within the IP header.
• Describe, identify and explain IP address classes A, B and C.
• Use subnet mask to identify network portion of IP address.
• Describe differences between classful and classless IP addressing.
• Describe the operation of an IP router and the use of static and dynamic routing.
• Describe and compare distance vector (RIP) and link-state (OSPF) routing protocols.
• Describe and explain IP subnetworking.
• Describe and explain supernetting, VLSM and CIDR.
• Describe ICMP and use ping and traceroute as a network connectivity tool.
• Describe use of DHCP in dynamic IP addressing.
• Describe and use ARP to relate IP address to MAC address.
• Describe and explain the use of DNS in TCP/IP networks.
• Describe, identify and explain the fields and flags in the TCP and UDP headers.
• Describe and explain how TCP gives end to end reliability in an unreliable IP network.
• Describe and explain the operation of congestion avoidance in TCP/IP networks.
• Describe and explain Transport Layer Security (TLS).

Practical Exercises:

Lab Exercise 1: Connectivity and Testing.

Lab Exercise 2: DHCP and DNS.

Lab Exercise 3: Checking ARP cache.

Lab Exercise 4: Fragmentation.

Lab Exercise 5: Traceroute.

Lab Exercise 6: Routing.

Lab Exercise 7: Subnetting.

Lab Exercise 8: TCP Options.

Lab Exercise 9: TLS.