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NetBios Sdn. Bhd. is a local engineering company that has planned to expand their services and location in one of the branches (Ren in Johore. The KL HQ has simple network architecture. Clients' workstations are connected to an access switch, distributed switch and internal interface. Vlan technology has been deployed in both sites. The firewall's (DMZ_Router-Firewall) external interface connects directly to the internet service provider (ISP) router. The third interfa hosts a demilitarised zone (DMZ) hosting several servers. These servers include Web, DNS and FTP applications. Whereas in Johore r network administrator has planned to replace the current configuration with new VLAN design in order to make the network more enhance the security of the network especially in HQ branch in KL. For the new Remote Branch in Johore, the network administrator deploy WLC WLAN to ease the configuration of Wireless network and its access. In all the networks above the network administrator has noticed that Layer 2 defense has been compromised.

NetBios Sdn. Bhd. is a local engineering company that has planned to expand their services and location in one of the branches (Ren in Johore. The KL HQ has simple network architecture. Clients' workstations are connected to an access switch, distributed switch and internal interface. Vlan technology has been deployed in both sites. The firewall's (DMZ_Router-Firewall) external interface connects directly to the internet service provider (ISP) router. The third interfa hosts a demilitarised zone (DMZ) hosting several servers. These servers include Web, DNS and FTP applications. Whereas in Johore r network administrator has planned to replace the current configuration with new VLAN design in order to make the network more enhance the security of the network especially in HQ branch in KL. For the new Remote Branch in Johore, the network administrator deploy WLC WLAN to ease the configuration of Wireless network and its access. In all the networks above the network administrator has noticed that Layer 2 defense has been compromised.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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NetBios Sdn. Bhd. is a local engineering company that has planned to expand their services and location in one of the branches (Remote Office Branch) in Johore. The KL HQ has simple network architecture. Clients' workstations are connected to an access switch, distributed switch and the router's internal interface. Vlan technology has been deployed in both sites. The firewall's (DMZ_Router-Firewall) external interface connects directly to the internet service provider (ISP) router. The third interface on the firewall hosts a demilitarised zone (DMZ) hosting several servers. These servers include Web, DNS and FTP applications. Whereas in Johore network, the network administrator has planned to replace the current configuration with new VLAN design in order to make the network more efficient and to enhance the security of the network especially in HQ branch in KL. For the new Remote Branch in Johore, the network administrator has planned to deploy WLC WLAN to ease the configuration of Wireless network and its access. In all the networks above the network administrator has noticed that Layer 2 defense has been compromised. Based on the scenario above, answer the following questions: a) Discuss any FOUR (4) types of Layer 2 attacks and briefly explain on the methods/solutions that can be deployed to mitigate the mentioned attack. b) The Layer 2 solutions in question (ii) will not be effective if the management protocols are not secured. Recommend any FIVE (5) strategies to be used to secure the management protocols.
Transcribed Image Text:NetBios Sdn. Bhd. is a local engineering company that has planned to expand their services and location in one of the branches (Remote Office Branch) in Johore. The KL HQ has simple network architecture. Clients' workstations are connected to an access switch, distributed switch and the router's internal interface. Vlan technology has been deployed in both sites. The firewall's (DMZ_Router-Firewall) external interface connects directly to the internet service provider (ISP) router. The third interface on the firewall hosts a demilitarised zone (DMZ) hosting several servers. These servers include Web, DNS and FTP applications. Whereas in Johore network, the network administrator has planned to replace the current configuration with new VLAN design in order to make the network more efficient and to enhance the security of the network especially in HQ branch in KL. For the new Remote Branch in Johore, the network administrator has planned to deploy WLC WLAN to ease the configuration of Wireless network and its access. In all the networks above the network administrator has noticed that Layer 2 defense has been compromised. Based on the scenario above, answer the following questions: a) Discuss any FOUR (4) types of Layer 2 attacks and briefly explain on the methods/solutions that can be deployed to mitigate the mentioned attack. b) The Layer 2 solutions in question (ii) will not be effective if the management protocols are not secured. Recommend any FIVE (5) strategies to be used to secure the management protocols.
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