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Download Cisco Security (One Off) by Kartik Bhatnagar PDF

By Kartik Bhatnagar

Businesses this day depend upon swift and safe move of information. even if the web has unlocked strong percentages for verbal exchange, it has additionally brought new threats. Cisco defense items are designed to guard small to medium-sized companies. They fulfill simple wishes comparable to limiting unauthorized entry, and supply complicated safeguard for merchant networks in addition to the company networks that they deal with. Cisco safeguard can provide the data to maximise the advantages of Cisco safeguard items, preserve your community secure, and achieve a aggressive side!

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A virus is a malicious software that replicates and can attach itself to any program. The only difference between a worm and a virus is that a worm does not attach itself to any program. 2. a. A Trojan horse gathers information from your computer without replicating itself. 3. c. SOCKS is a protocol that allows machines without Internet connectivity to connect to the Internet. 4. a. In a SYN flood attack, all your TCP connections are used up, preventing you from accessing resources via a TCP connection.

DNS poisoning is a process in which the name server is given false information about IP addresses on a domain. Page 21 Chapter 2 IP Network Security In Chapter 1, you learned about various types of security threats that commonly plague networks. You also learned about the need for security and the motivations behind security threats. As dependency on the Internet increases, so do the threats of innumerable attacks on your organizational networks. To counter these threats, you need to have a thorough understanding of the mechanism behind the working of the Internet.

In which of the following DoS attacks are all your TCP connections used up, thereby preventing you from accessing resources via TCP connection? a. SYN flood b. Smurf DoS c. Broadcast storm d. Ping of death 5. In a ............... DoS attack, an intruder uses a spoofed IP address and sends a large number of IP echo requests to the broadcast IP address of the network. a. SYN flood b. Smurf c. Broadcast storm d. Ping of death 6. is a process in which the name server is given false information about IP addresses on a domain.

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