Question No. 1 Provide at least three macro-level and three micro-level paramete
ID: 3778668 • Letter: Q
Question
Question No. 1
Provide at least three macro-level and three micro-level parameters to define network performance metrics. [1 mark]
Question No. 2
Describe how the Packet-Filtering Router filter data. [1 mark]
Question No. 5
Describe the Bidirectional Forwarding Detection procedure [2 marks]
Question No. 6 (Bonus Question)
estion No. 4 The following figure describes the virtual circuit configuration. We consider only the connection between Station A and Station Z. Pkt1 Pkt2 Pkt3 Pkt2 Pkt1 Pkt3 Pkt3 Pkt2 Pkt1 CI-2 VCI-3 Station VCI Station VCI-4. Complete the VC-routing tables of B and D [2 marks] Switch Input Output VCI I Port. Port VCI-1 Port-1 VCI-2 Port-2 VCI- Port- VCI-. Port- VCI- Port- VCI- Port-Explanation / Answer
Answer :
Question No. 2
Describe how the Packet-Filtering Router filter data
Answer :
Packet -Filtering is firewall technique used to process of passing and control network access or blocking packets at a network interface based on the source and destination Internet Protocol addresses,Protocols and ports.
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Question 5 :
Describe the Bidirectional Forwarding Detection procedure
Answer :
1.ATM was once envisioned to be a ubiquitous technology. Many people thought that ATM would extend from the desktop, through the core of the network and terminate at another desktop; in other words, a homogeneous ATM network.
2.MPLS is designed to work with a wide variety of transport mechanisms; however, the initial implementations will focus on leveraging ATM and frame relay which are already deployed in large-scale service provider networks.
3.However, economics will play an important role in determining the adoption rate of these next generation IP networks. Upgrading entire networks by swapping out hundreds or even thousands of pieces of equipment is cost prohibitive. Therefore, many service providers will continue to maintain ATM in their networks for the foreseeable future.
4.Consequently, next generation networks will be built using new technologies that leverage existing technologies such as IP and ATM, which are already deployed in existing networks.
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