Hello Keshav, Since VLAN trunking Protocol is used to propagate VLAN information throughout the switch domain through trunk links. It has also become a hazard that broadcast from one switch is transmitted to all the switches even though they are not intended to receive the broadcast. So, in order to avoid unwanted flooding of traffic through those trunk links where it is not necessary, VTP pruni... (more)

Hello Ankit, Though Private IP address spaces were originally defined in an effort to delay IPv4 address exhaustion. Private IP addressing is most commonly used for end users since it is not possible to assign Public IP's to each and every internet user in the world which may lead to IP address exhaustion. So instead of assigning Public IP's we could assign Private IP addresses to end u... (more)

CCIE Security Integrated Course offered by Network Bulls is best combination of Cisco Routing & Switching and Security technologies along with Multi vendor Firewall Training.

After completion of CCIE Security Course, you can get started with this field at a good salary package in a good company. Its better to have a look at Scope of CCIE.

If you wish to do CCIE R&S Integrated course then Training fee for the same will be Rs 1 Lac. You can not do CCNP and CCIE simultaneously, its a step by step process. You don't need to go for CCNA Certification to learn CCNP and CCIE. You can directly go for CCIE Exams without appearing for CCNA or CCNP Exams. But yes, knowledge of CCNA and CCNP is mandatory to start preparing for CCIE. ... (more)

Its better to try CCIE Security Integrated course than MVTE.

Its a pretty good and interesting question. Earlier Cisco had a dedicated page on its website showing the complete database of Total number of CCIE Certified Engineers worldwide with detailed information. As Cisco now has not revealed any official number, we can not give you exact count but still we can give a fair guess. There are around 45,000 active CCIE's in world right now in 2017. As t... (more)

now let me talk about tcp first tcp is a connection oriented protocol which forms the connection  then transmit data and after transmission tear down the connection so firewall understand when we initiate the tcp connection through it that it is a connection initiation request and add the entry in the connection table. when the connection is terminated device sends fin msg and firewall understand... (more)

Will you be kind enough to explain what is vertical approach in OSI and horizontal approach in TCP/IP along with some other comparison points ? According to wiki, TCP/IP is mostly used but why as the transport layer do not guarantees delivery of packets and provides connection less service ? What is meant by "OSI developed model then protocol whereas TCP/IP developed protocol then model " ?... (more)