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Virtual private network
The virtual private networks takes the user data encrypts them and sends them to their destination over the internet. the sender and the receiver are the only two parties on the VPN. The main advantage of VPN is its relative low cost in comparing with private and hybrid networks. The major two disadvantage are lack of standardization among various and a relatively show transmission speed.
Factor Causing Parallel Overheads Figure clearly explains that the performance metrics are not able to achieve a linear curve in comparison to the enhance in number of process
Take the maximum packet lifetime, T. It's stated that T must be big enough to make sure the packet and its ACK have vanished. Why do we have to have the ACK?
how does PPTP express the data?
Connection oriented
What are the Unix-based firewalls The Unix-based firewalls are considered most secured as compared to the Windows NT based ones. The firewalls bind the holes of the operating
- Lost as well as delayed ACKs - Bidirectional transmission both side needs both sending and receiving windows Note: In selective repeat ARQ the size of the sender and rece
Define GRE in PPTP?
Q. Host System in TCP-IP model? - Standards adopted because of widespread use like (Internet) - The protocols came first plus the model was really just a description of the
Q. Basic working of Spanning Tree? Spanning Tree - Redundant bridges may be installed to provide reliability - To prevent infinite looping of packets between bridges,
what role would you assign for Pentium iii, 500 MHz processor, 256 MB memory, 1o GB hard drive
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