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You are hired to design an IP addressing scheme for five departments that will provide security and access to the Internet. Each department requires between 1,500 - 2,000 IP addresses. The company will have 2,000 IP addresses accessing the Internet at any given time. Start by designing an IP addressing scheme, then, for each department, assign an IP address range and specify the subnet mask.
Departments IP address range Subnet Mask Department A Department B Department C Department D Department E
Next, determine which NAT method you would implement for this scenario. The plan should have all of the appropriate NAT commands and the verification commands used to prove the accuracy of your configuration. Your paper should reflect the correct configuration commands and the appropriate show commands to verify your work. Write a 1-2 page paper listing the plan to present to your superior, who has a technical background, that details your plan and your timeline for implementation. Include your proposed network changes and a two-sentence outage message that will be sent by a broadcast email to the affected users, who like to complain when the network is not available. Also include other concerns about this change and other departments that should potentially be contacted before the change.
In Ricart and agrawala's An optimal algorithm for mutual exclusion in computer networks paper if we are updating the code with taking the priorities.
It is essential to encrypt it, by using solutions like PGP (Pretty Good Privacy), S/MIME (Secure Multi-Purpose Internet Message Exchange), and steganography. Research these different mechanisms.
What do you think is the most effective method to explain if an attack has been made on the computer network include what malicious activities.
Let DES(x, K) represent the encryption of plaintext x with key K using the DES cryptosystem. Prove that y' = c(y) (i.e., if we complement the plaintext and the key, then the ciphertext is also complemented).
Write down some popular reconnaissance tools?
Suppose a BGPv4 router receives update for prefix P which indicates AS1 is next hop.
You are to create a small network (less than 50 but greater than 20 nodes) for organization of choice consisting of multiple operating systems, security mechanisms, and devices.
After reading about attacks on servers like to ones used in one of company's departments, the CIO has asked you to come up with a report as to what.
How would you utilize this information in the decision-making process to help the company grow?
Explain/propose a new/possible idea on how these networks can be kept safe from hacking.
Let N users participating in audio/video conference using IP multicasting. Each user is equipped with microphone, a camera, and speakers. How many distinct canonical names are required?
Suppose there is a 10 Mbps microwave link between a geostationary satellite and its base station on earth. What is the propagation delay of the link?
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