IPV6 is the replacement for IPV4. This shows a lack of vision when t.pdf

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In aqueous solution, Cd2+will precipitate out of solution in the form of CdS in the presence of hydrogen sulfide (H2S). The Ksp of CdS = 1.0 x 10-28 and Ksp of H2S = 1.0 x 10-26 for the reaction: H2S (aq) = 2 H+(aq) + S2-(aq) a. Write the balanced net ionic equation for the reaction of cadmium ion with hydrogen sulfide to form cadmium sulfide solid. b. Write the equilibrium expression for the equation in part a. c. Calculate Koverall for the reaction in part a. d. Calculate the [Cd2+] in a solution saturated with H2S (0.10 M) at a pH = 2.00 ([H+] = 0.010 M). Solution a) The balanced ionic equation for the formation of cadmium sulfide from cadmium ion and hydrogen sulfide is given as Cd2+ (aq) + H2S (aq) <=======> CdS (s) + 2 H+ (aq) ……..(1) b) The equilibrium constant for the reaction is given as Koverall = [H+]2/[Cd2+][H2S] (ans) Note that the concentration of a solid is not written in the expression for the equilibrium constant. c) Write down the two ionization reactions as below. CdS (s) <=======> Cd2+ (aq) + S2- (aq) ……..(2) Ksp = [Cd2+][S2-] H2S (aq) <=======> 2 H+ (aq) + S2- (aq) …….(3) Ka = [H+]2[S2-]/[H2S] Subtract (2) from (3) and obtain Cd2+ (aq) + H2S (aq) <======> CdS (s) + 2 H+ (aq) Koverall = [H+]2/[Cd2+][H2S] = ([H+]2/[H2S])*(1/[Cd2+]) = ([H+]2[S2-]/[H2S])*1/([Cd2+][S2-] = Ka*1/Ksp = (1.0*10-26)*1/(1.0*10-28) = 100 (ans). d) We have [H2S] = 0.10 M and pH = 2.00. We define pH as pH = -log [H+] ====> 2.00 = -log [H+] ====> [H+] = antilog (-2.00) = 0.01 M Since Ka (H2S) is extremely small, we may assume the equilibrium concentration of H2S to be equal to 0.10 M; hence, we have Koverall = [H+]2/[Cd2+][H2S] ====> 100 = (0.01)2/[Cd2+].(0.10) ====> [Cd2+] = (0.01)2/(100*0.10) = 1.0*10-5 The concentration of Cd2+ at equilibrium is 1.0*10-5 M (ans)..

Education

IPV6 is the replacement for IPV4. This shows a lack of vision when the Internet was created.
Why do you think this statement is correct or incorrect? The IoT (Internet of Things) is a current
buzzword. How do you participate in the IoT personally? How do you think IPV6 will support
the IoT, and what visions do think engineers should consider
Solution
The Internet may be a world network comprising several voluntarily interconnected
autonomous networks. It operates while not a central organization. The technical underpinning
and standardization of the core protocols IPv4 and IPv6 is an activity of the web Engineering
Task Force IETF a non-profit organization of loosely related international participants that
anyone could come with by contributory technical experience. to take care of ability, the
principal name areas of the web square measure administered by the web Corporation for allotted
Names and Numbers ICANN ICANN is ruled by a global board of administrators drawn from
across the web technical, business, academic, and alternative non-commercial communities.
ICANN coordinates the assignment of distinctive identifiers to be used on the web, together with
domain names, web Protocol IP addresses, application port numbers within the transport
protocols, and lots of alternative parameters. Globally unified name areas square measure
essential for maintaining the world reach of the web. This role of ICANN distinguishes it as
maybe the sole central coordinative body for the world web. IP addressing is one amongst the
foremost difficult aspects of TCP/IP. It will leave even the foremost seasoned network directors
scratching their heads. as luck would have it, the Network+ communicating needs solely a basic
information of informatics addressing. The subsequent sections examine however informatics
addressing works for each IPv4 and also the newest version of IP: IPv6. To communicate on a
network victimization TCP/IP, every system should be allotted a singular address. The address
defines each variety of the network to that the device is connected and also the number of the
node thereon network. In alternative words, the informatics address provides 2 items of
knowledge. It’s a trifle sort of a street name and house variety in an exceedingly person’s home
address. Each device on a logical network section should have a similar network address as all
the opposite devices on the section. All the devices thereon network section should then have
totally different node addresses. In informatics addressing, another set of numbers, referred to as
a subnet mask, defines that portion of the informatics address refers to the network address and
that refers to the node address. IP addressing is totally different in informaticsv4 and IPv6. The
discussion begins by watching IPv4.

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Describe how you would look up the critical z-value for a 72% on a normal curve table, what is the critical z-value for a 72% confidence interval? Solution Za/2 = Z-table value = 1.08 Method 1: I will use the below formula NORMINV(1-0.28/2,0,1) Method 2: To do this, if X ~ N(?, ?^2), then STEP 1: Z= X- ? / ? ~ N(0,1) STEP 2: A table of standardized normal values, can then be used to obtain an answer in terms of the converted problem. STEP 3: Find x=Z ?+ ? STEP 4: Use below method http://www.mathsisfun.com/data/standard-normal-distribution-table.html Eg: TYPE 1: (Z ? 1.65) = F(1.65) = 0.95.

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How is the transition between IPv4 and IPv6 being handled? Is it being handled efficiently? Solution The Internet has run out of Internet addresses... sort of. Perhaps you\'ve heard the news: the last blocks of IPv4 Internet addresses have been allocated. The fundamental underlying technology that has powered Internet Protocol addresses (ever seen a number like 99.48.227.227 on the web? That\'s an IP address) since the Internet\'s inception will soon be exhausted. A new technology will take its place, though. IPv4\'s successor is IPv6, a system that will not only offer far more numerical addresses, but will simplify address assignments and additional network security features. The transition from IPv4 to IPv6 is likely to be rough, though. Most people are unfamiliar with IPv4 and IPv6, much less the potential impact the switch to IPv6 may have on their lives. That\'s why we\'ve compiled this short guide to IPv4 and the eventual transition to IPv6. We explain the two versions of IP and why they matter. We also go into detail on what you can expect in the next few years as billions of websites, businesses and individuals make the switch to the new era of the Internet. IPv4 stands for Internet Protocol version 4. It is the underlying technology that makes it possible for us to connect our devices to the web. Whenever a device access the Internet (whether it\'s a PC, Mac, smartphone or other device), it is assigned a unique, numerical IP address such as 99.48.227.227. To send data from one computer to another through the web, a data packet must be transferred across the network containing the IP addresses of both devices. Without IP addresses, computers would not be able to communicate and send data to each other. It\'s essential to the infrastructure of the web. IPv6 is the sixth revision to the Internet Protocol and the successor to IPv4. It functions similarly to IPv4 in that it provides the unique, numerical IP addresses necessary for Internet-enabled devices to communicate. However, it does sport one major difference: it utilizes 128-bit addresses. I\'ll explain why this is important in a moment. IPv4 uses 32 bits for its Internet addresses. That means it can support 2^32 IP addresses in total — around 4.29 billion. That may seem like a lot, but all 4.29 billion IP addresses have now been assigned to various institutions, leading to the crisis we face today. Let\'s be clear, though: we haven\'t run out of addresses quite yet. Many of them are unused and in the hands of institutions like MIT and companies like Ford and IBM. More IPv4 addresses are available to be assigned and more will be traded or sold (since IPv4 addresses are now a scarce resource), but they will become a scarcer commodity over the next two years until it creates problem for the web. As previously stated, IPv6 utilizes 128-bit Internet addresses. Therefore, it can support 2^128 Internet addresses — 340,282,366,920,938,000,000,000,000,000,000,000,000 of them to be exact. Th.

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As robust as the IP protocol is, it does not perform the actual transmission of the data. In this step, you will investigate the network protocol called Transmission Control Protocol (TCP) , responsible for creation, reliability of delivery, and proper assembling of data packets. In addition to IP, TCP is also widely used on the internet, especially for any network communication where it is essential to confirm receipt of the transmission. Many of the network protocols used to implement cloud computing use both TCP and IP. You will review TCP’s workings and discuss them in your final technical report. In general, there is no guarantee that a data packet will reach its destination. Packets can get lost or corrupted during transmission, and there are network applications where you need assurance that the packets have reached their destination. To achieve reliability, TCP establishes connections between communicating hosts, using port numbers to refer to applications on these hosts. Then, packets are created, sequenced, transmitted, acknowledged, and retransmitted if missing or containing errors. Finally, at the destination, they are reassembled into the original messages. To synchronize the flow of packets between sender and receiver, and avoid packet congestion in case of varying speeds, TCP uses sliding windows for packets remaining in processing at a given time, at both the sender and receiver ends. In the next step, you will look into subnetting BallotOnline’s IP addresses. One of the drawbacks of IPv4 is the maximum number of network devices it can support. IPv4 addressing uses a 32-bit network address. This allows for 232,, or a little over 4 billion devices. However, today there are significantly more devices on the internet. Even though the more robust IPv6 version has been introduced and efforts are under way to assure wide adoption, IPv4 is still widely used. One method used to more efficiently use the IPv4 network addresses is a technique to optimize the addresses by splitting them into network addresses and host addresses within designated networks. You will need to take advantage of IP address splitting so that you can efficiently use and allocate the IPv4 network addresses that have been assigned to BallotOnline. For a given large network, rather than addressing all the hosts using the host part of the address, subnetting allows for splitting the network into several smaller ones by borrowing the host part bits and adding them to the network bits. It supports efficient management of local networks composed of multiple LANs. In this step, you will investigate subnetting conventions and discuss them in your final report in order to lay ground for the use of subnets by BallotOnline. As the network engineer for BallotOnline, you know that subnetting a network into several smaller and variable-sized networks will be best for the organization's needs. BallotOnline has been assigned a network address block by the In.

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The purchase of inventory would be considered aA.cash outflow fr.pdf

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the distirbution of test scores for a class is approx. symmetric with a mean of 72 and a standard deviation of 6. the z-score for a test score of 63 is? the z-score for a test score of 87 is? the percent of test scores between 66 and 78 is? the test score that has a z-score of z = 2.5: is? 95% of the test scores are between what values? Woudl a test score of 54 be considered \"unusual\" why? Solution the z-score for a test score of 63 is? Z = (x - u)/sigma = (63-72)/6 = -1.5 [ANSWER] ********* the z-score for a test score of 87 is? Z = (x - u)/sigma = (87-72)/6 = 2.5 [ANSWER] ****************** the percent of test scores between 66 and 78 is? As there are 1 standard deviation from the mean, around 68% are between 66 and 78. [ANSWER, 68%] ******************* the test score that has a z-score of z = 2.5: is? x =u + z*s = 72 + (-2.5)*6 = 57 [ANSWER] *************** 95% of the test scores are between what values? These are within 2 standard deviations (2*6 = 12) from the mean, so it is 72 - 12 to 72 + 12 or 60 to 84. [ANSWER] ******************** Woudl a test score of 54 be considered \"unusual\" why? z = (X-u)/sigma = (54-72)/6 = -3 As |z| > 2, then YES, IT IS UNUSUAL. [ANSWER].

The mission of University is the transformation of the whole person .pdf

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Systems analysis project 8: please answer the 4 questions. You need microsoft office to do the project or open office Tools 4 U is a tool rental company that reaches out to people with little or no experience. The firm has a staff of technicians to help customers select the right tools, show them how to use the tools, and provide 24/7 support Background: The company is working on an online system to manage its growing business. The company asked you to help design the user interface. Tasks: 1. Design a data entry screen for entering new members. 2. Design an online tool rental screen. You can use your imagination, but be sure to apply the principles discussed in this chapter. 3. Suggest at least three data validation rules that might help reduce input errors for the system. 4. Design a screen for managers, with weekly and monthly data on rentals, new customers, late charges, and anything else you think a store manager might want to review. Be sure to include numeric activity and dollar totals. Solution To create a data entry screen. 1) Create a new blank form in Design View by clicking on the \"Create\" button and then click \"Design View\" in the Ribbon section. 2) Now a form has been created with a grid view. 3) To enlarge the form for better view , you can close other tabs like Properties sheet at the right side. 4) Now to link your form to the data table, click the PROPERTY SHEET icon to open the PROPERTY SHEET window again if you have closed it earlier. 5) Click on Data, set the record source to the members details query. 6) In order to set the grid, goto Properties sheet window, open the \"Format\", there you can set the values of GRID X and GRID Y. For example , if they are set to 10 that means 10 dots per cm. 7) To insert the fields of members, click on \"Add Existing field\". 8) To insert first name field of new member, select \"FIRST NAME\" field in the field list pane and move the field at the required position. 9) To insert the Last Name field of new member Select the \"LAST NAME\" field in the FIELD LIST then, move the field at an appropriate position. 10) To resize the fields\' boxes , just drag the handles available at the right side in the centre of the box and move it as per the requirement..

The firm is Tesla Motors1.Based on information in the annual repor.pdf

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4: A piece of lead metal was added to an aqueous solution of copper(II) nitrate, and within a few minutes it was observed that the lead turned black and crumbled, and the blue solution characteristic of copper(II) ions faded. (NOTE: Lead forms a 2+ ion whern it reacts.) Write molecular, ionic and net ionic equation. Identify spectator ions. Solution molecular equation is Pb(s) + Cu(NO3)2 (aq)..................> Pb(NO3)2 (aq) + Cu(s) Ionic equation is Pb(s) + Cu2+ (aq) + 2 NO3- (aq)..................> Pb2+ (aq) + 2 NO3- (aq) + Cu(s) Net ionic equation is Pb(s) + Cu2+ (aq).................> Pb2+ (aq) + Cu(s) spectator ion is NO3- (aq) that is nitrate ion..

4 A piece of lead metal was added to an aqueous solution of copper(I.pdf

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Question 3 2 pts A(n) during a specified period. provides a financial summary of a firm\'s operating results statement of retained earnings O income statement O statement of cash flows O balance sheet Solution A Financial summary showing the operating results of a specified period means a statement showing the sales/revenues, expenses of the reporting entity over the reporting period. Such a financial summary is called an income statement. Thus the answer is Income Statement..

Researchers are interested in studying whether personality is relate.pdf

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