CCNA

Each TCP segment has a special purpose and this is determined by flags.Here we will study on 6 important control flags. There are also other options in flag field, but 
Read More
In this section, we will survey the TCP header in packets. As you know TCP is a layer 4 protocol and its header is also have parameters about layer 4. 
Read More
Sequence & Acknowledgement Number Sequence and Acknowledgement fields are another important fields in TCP Header. Each of these TCP Header Fields are 32 bits long. Datas generally sent and received 
Read More
In this DHCP Cisco Packet Tracer router example, we will focus on DHCP Configuration in Cisco Packet Tracer. In other words, we will see how to configure a DHCP Server 
Read More
There are various ways for network traffic control. One of the common ways for this job is using Access Contorol Lists. There are three types of access lists. These are; 
Read More