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FIREWALL ANALYSIS TOOLSThere are a number of tools automate remote discovery of firewall rules and assist the administrator in analyzing rules Administrators who feel wary of using same tools which attackers use should remember:
- It is intent of user which will dictate how information that is gathered will be used- In order to defend a computer or network well, it is essential to understand ways it can be attacked.Therefore, a tool which can help close up an open or poorly configured firewall will help network defender minimize risk from attack
OPERATING SYSTEM DETECTION TOOLSDetecting a target computer’s OS is quite valuable to an attacker to determine the susceptible vulnerabilities. There are many tools which use networking protocols to determine OS of a remote computer.
(a) Describe how CSMA/CD operates and explain how Ethernet deals with collisions. (b) Describe how the subsequent protocols work: i. ARP ii. DHCP iii. DNS iv. SMTP (c) The
Question: (a) Draw the waveform for an asynchronous transmission with the following specifications: Character "H", one even parity bit, one start bit, one stop bit, and a b
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What is the concept of topology?
(a) What is a pseudorandom generator? Give an example describing how it works. (b) Explain the key components of a wireless network and their purpose. (c) Describe the authen
802.11 WIRELESS LANs AND CSMA/CA: IEEE 802.11 is standard wireless LAN that needs radio signals at 2.4GHz. Its speed is 11Mbps. The older computers use radio signals at data
Question: (a) Mention three limitations of a firewall. (b) Compare packet-filtering and proxy-base firewalls. Give advantages and drawbacks of both. (c) "Proxies eff
#ON A lan wher r ip datagrams transported?
Question: (a) What are the various options to mitigate risks in an Information Security Management System (ISMS)? For each option specify an instance where it can be used.
SECURITY ANALYSIS Overview • Know yourself: examine, identify, and understand the information and systems which are currently in place • Know the enemy: examine, identify,
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