Amazon.com Amazon is a multibillion dollar online corporation with warehouses all over the country. Their communications needs are vast, and they are completely dependant on the internet to operate and conduct business. Define the the following terms by citing examples of how Amazon might use the technology or term. a. LAN b. WAN c. Extranet d. Intranet e. HTML f. client/server systems g. IP Address h. ISP

Amazon.com Amazon is a multibillion dollar online corporation with warehouses all over the country. Their communications needs are vast, and they are completely dependant on the internet to operate and conduct business. Define the the following terms by citing examples of how Amazon might use the technology or term. a. LAN b. WAN c. Extranet d. Intranet e. HTML f. client/server systems g. IP Address h. ISP

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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When I asked the last question on Bruce wayne problem, the answer seems too few subnets needed for Bruce Wayne requirements. So my question is, when you include all the departments, his IP phones, Security laptops, etc, Bruce Wayn's organization needs at least 14 or fifteen subnets. On the last question I asked: How amy of each type subnet size did we need for Bruce Wayne Organization? /22 /23 /24 /25 /26 /27 /28 /29 It must include the IP's reserved for Bruce Wayne's private use and for his IP enabled vehicles. Thank you
Question 3 Refer to the follwing exhibits. The enterprise has eight sites connected with each other in full mesh topology which mean that each two pair sites have one to one secure communication. for exam the site 1 and site 2 have securely communicate with each other and also site 2 and site 3 have securely communicate with each other and so on. If a shared secret key cryptography is used, how many keys are required? If a public key cryptography is used, how many keys are required? If CEO tell you that the network operation fees is costing us a lot of money, and that we want to change the network topology from full mesh to hub-spoke to save some costs of leased lines.in such case how many keys are required if we use a shared secret key algorithm? If CEO tell you that the network operation fees is costing us a lot of money, and that we want to change the topology of the network from full mesh to hub-spoke to save some costs of leased lines.in such case how many keys are required if we…
Mr. Hadi sent an email using 01 Gbps network bandwidth which contained a message size of 2.5-KB (Kilobyte) . Mr. John is X km away from sender (where X is 558) who received email at speed of light travels at 2.4 × 108 m/s. You may need to calculate propagation time and the transmission time for the entire communication, and also discuss the dominant factor in this communication. Draw the figure by labelling all above mentioned values and add screen shot in your answer along with your solution.
Q1/ Suppose you has IP address 220.254.255.x / 28, conclude the class and analyze the subnetting for finding mask address, number of subnets, addersses range of subnets , and number of hosts at each subnet. Q2/ How can perform encapsulation process of OSI model for sender, and what happen of encapsulation data at receiver side, explain and draw graph of that. Q3/ Discuss the advantages and disadvantages of shielding the copper cables .
Mr. Hadi sent an email using 01 Gbps network bandwidth which contained a message size of 2.5-KB (Kilobyte) . Mr. John is X km away from sender (where X is last 3 digit of your arid number) who received email at speed of light travels at 2.4 × 108 m/s. You may need to calculate propagation time and the transmission time for the entire communication, and also discuss the dominant factor in this communication. Draw the figure by labelling all above mentioned values and add screen shot in your answer along with your solution.
A) IPv6 is now being deployed globally. Including the Interframe Gap, calculate themaximum data utilisation of TCP/IPv6 packets over a 100 Mbps Ethernet network.b) SLTP is a new transport protocol that runs over UDP. Including the Interframe gap,calculate the maximum data utilisation of SLTP/UDP/IPv6 packets over a 100 MbpsEthernet network.c) In order to make the setup in part b) totally secure, it has been decided to have twoadditional IPv6 headers. The first header is an Encryption header to allow the packet tobe encrypted. The second header is an IPv6 tunnelling header allowing a VPN to be setup. Calculate by how much this new arrangement decreases the maximum utilisation andcomment on your results.
3.2 Consider two neighbours, Alice and Bob. Each have wireless IPv4 routers with integrated NAT. Each neighbour connects their laptop to their own wireless router, and each uses appropriate utilities to examine the IP address of each laptop. They realise the laptops have the same IP address. 3.2.1 How is that possible? 3.2.2 Justify one reason that wide-spread deployment of IPv6 would remove the need for the NAT devices.
Let's assume your child logs into the school's wireless Network and types www.google.com to access the internet. To avoid confusion, list routing protocols in order of use.
NEED BOTH ....attempt if you will do both please answer. ..... 1.Let us consider the following scenario, where PC-A is communicating with the web server. Carefully study the diagram and fill-up the required information of 1, 2, 3 and 4. Please note that NAT is implemented in the router. 2. Consider the following scenario of DHCP client and server, where a newly arriving DHCP client needs to obtain an IP address through some processes. Using a client-server interactive diagram show all steps of the DHCP protocol
Question 3 3.1 An end device was given the IP address of 198.168.4.35/28. Consider this address and indicate: 3.1.1 The network ID/address to which the host belongs. 3.1.2 The network broadcast address to which the host belongs. 3.1.3 The total number of hosts available in the network. 3.1.4 The total number of networks. 3.2 Consider two neighbours, Alice and Bob. Each have wireless IPv4 routers with integrated NAT. Each neighbour connects their laptop to their own wireless router, and each uses appropriate utilities to examine the IP address of each laptop. They realise the laptops have the same IP address. 3.2.1 How is that possible? 3.2.2 Justify one reason that wide-spread deployment of IPv6 would remove the need for the NAT devices.
“Suppose you want to visit a controversial web site (for example, a political activist site) and you (1) don’t want to reveal your IP address to the Web site, (2) don’t want your local ISP (which may be your home or office ISP) to know that you are visiting the site, and (3) you don’t want your local ISP to see the data you are exchanging with the site. If you use the traditional approach of connecting directly to the Web site without any encryption, you fail on all three counts. Even if you use SSL, you fail on the first two counts: Your source IP address is presented to the web site in every datagram you send; and the destination address of every packet you send can easily be sniffed by your local ISP. To obtain privacy and anonymity, you can instead use a combination of a trusted proxy server and SSL. With this approach, you first make an SSL connection to the trusted proxy. You then send, into this SSL connection, an HTTP request for a page at the desired site. When the proxy…
(b) For example, Computer A can communicate with computer C by using TELNET. At the same time, computer A communicates with computer B by using the File Transfer Protocol (FTP). For these processes to receive data simultaneously, we need a method to label the different processes. Could you explain that method? (c) IP addresses can be given to devices statically or dynamically, Could you provide an example? Why IPv4 facing crisis? And how to get rid of these IP crisis