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Enumerate about the Virtual Private Network (VPN)
Even though, many firewalls also include the features of the virtual private network, the functionality and capabilities of VPN are different from those of the firewall. It is important to understand that installing a firewall is only one part of a security strategy. In addition to it, other aspects such as user authentication through username/password combination, VPNs, a public-key cryptographic code and resource management should also be added tothe policy of the company's Intranet security.
Fragmentation - Wireless environment is very noisy - Corrupt frames must be retransmitted - Large frames must be divided into smaller ones to increase efficiency
Determine about the Complete and proper security Complete and proper security configuration and administration is indeed a complex issue. One should think carefully about the
Which form of PPP error detection on Cisco routers monitors data dropped on a link? Ans) The Quality protocol monitors data dropped on a link. Magic Number avoids frame looping
Categories of traditional Ethernet a) Baseband - digital signals using Manchester encoding b) 10Base2, 10-Base-T, 10Base5, 10Base-FL c) First number signifies data rate
Q. What is Authentication ? - Verification of sender's identity. - Accomplished through a digital signature, which is based on public key encryption/decryption. - Uses re
What is the concept of gateway of last resort?
Half-Duplex - Capability for data transmission in only single direction at a time among sending station and a receiving station.
You are requested to design a secure home or small scale network (Fig. 1) to satisfy the key concepts underlying computer and network security: confidentiality, integrity, availabi
What is Frequency diversity Due to the transmission is spread out over a larger bandwidth, frequency-dependent transmission impairments, like as noise bursts and selective fadi
Throughput is a calculate of the rate at which data can be transmit through the network. The throughput capability of the underlying hardware is known bandwidth. Because every fram
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