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Transmission Control Protocol (TCP) is a critical protocol that enables communication between computers over a network. In TCP, data is divided into packets and sent over the network to the...
TCP (Transmission Control Protocol) is a crucial part of internet communication, responsible for ensuring the reliable delivery of data between devices. To manage each connection, TCP uses a set of...
If you are a network security engineer, you must be aware of the importance of VLANs in network segmentation. But have you ever wondered how these VLANs are created, identified,...
As a Cisco certified network security engineer, it is important to understand the different protocols used for VLAN tagging and trunking. Two popular protocols are Dot1q and ISL. Let’s compare...
As a Cisco certified network security engineer, one of the most important aspects of network security is encapsulation. In this post, we will be discussing the advantages of using dot1q...
As a network security engineer, it is essential to understand the OSI model to ensure that the network is secure, efficient, and effective. The OSI model is a conceptual model...
As a Cisco certified network security engineer, I have come across the interoperability of PVST and MSTP in numerous network designs. Both protocols are used to manage and maintain network...
When it comes to internet protocols, TCP and UDP are the two most commonly used protocols. Both TCP and UDP are used in different scenarios and have their own set...
Hot Standby Router Protocol (HSRP) is a Cisco proprietary protocol that provides redundancy for IP networks in case of a failure. HSRP enables two or more routers to work together...
High Availability (HA) is an essential requirement for any enterprise network. To achieve this, Cisco developed Hot Standby Router Protocol (HSRP), which enables automatic failover between two or more routers....
As a Cisco certified network security engineer, I understand the importance of maintaining secure and reliable TCP connections. TCP keep-alive is an essential technique that network administrators use to keep...
As an experienced and Cisco certified network security engineer, I understand the importance of implementing the High Availability (HA) feature in a network environment. One of the most popular HA...