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XYZ is multi-billion company having 24 departments and each department consisting no more than 750 hosts. Design the IP network based on the requirements stated above and answer the following:
1) Total number of network bits 2) Total number of host bits 3) Subnet mask of the network 4) Total number of useable subnets 5) Total number of useable host IP in each subnet
Let's say, you are the administrator of subnet # X. Now find the followings of your assigned subnet.
a) Subnet address of your assigned (Ex: subnet - 17) network. b) Broadcast address of your assigned network c) IP address of the 634th host.
For each of the following attacks, say whether the attack can be detected and mitigated (to a significant degree) by a stateless or stateful firewall. Explain briefly.
Suppose a future where security countermeasures against DoS attacks are much more widely implemented than at present.
Suppose users share a 1Mbps link. Also suppose each user requires 100Kbps when transmitting, but each user transmits only 20% of the time. When circuit switching is used, how many users can be supported?
Assume that sender sends silence suppressed RTP stream of G.711 audio to receiver (G.711 is the name of standard for 64Kbps PCM). Outline algorithm which uses sequence numbers and time stamps of RTP packets to find out beginning of new talk spurt?
When a company opens a private market space, it may use EDI, an extranet, EDI/Internet, various web services, XML or just the Internet with regular encryption.
You have been asked to design the entire cabling system for a medical instrument manufacturer's new central warehouse. The company already has three buildings within two city blocks.
Assume that sender sends silence suppressed RTP stream of G.711 audio to receiver. During talk spurt 20 msecs chunks of quantized audio samples are encapsulated. Determine number of samples are included in each packet?
When a DNS resolver queries the name server, does case of the domain name affect response?
You have been asked in order to produce a list of the MAC addresses and the corresponding IP addresses and computer names within your network. Suggest at least two methods in order to complete this task.
Let RTP session comprising of four users, all of which are sending and receiving packets to same multicast address. Find out RTCP bandwidth will each sender be allocated?
Social Networking is one of the hottest topics in knowledge management. Is it knowledge management?
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.
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