Explain how a SYN flood attack works.SolutionAn attacker would.pdf

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Explain how a SYN flood attack works. Solution An attacker would send an initial request asking for acknowledgment from the receiving server. The receiving server would place this in a line with recognizing information, using a small amount of memory and resources to do so. The server would look forward to a fast return from its acknowledgment but the attacker would not do so or just not react. The server would wait for a predefined timeout stage to reject the connection request..

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• Identify the distinguishing characteristics of member of Phylum Cnidaria, including symmetry, number of embryonic tissue layers, unique structures, skeleton and polymorphism (polyp and medusa), place Cnidaria on a cladogram • Compare and contrast how a general polyp and a medusa feed • Describe why a nerve net was such a major evolutionary adaptation • Describe the characteristics of the four classes of Cnidarians • Label the following on a drawing: tentacles, mouth, anus, gastrovascular cavity, cnidocytes, nerve net • Describe the relationship of coral and zoxanthellae • Name some major threats to coral reefs and why they are so important to biodiversity • Know what coral bleaching is. • Know the effects of increased CO2 in the atmosphere and in the water upon corals. Solution 1.Characteristic of Phylum Cnidaria: Symmetry : radial or bi radial number of embryonic tissues: endoderm and ectoderm with body wall separated by mesoglea They have single opening into the body which act as mouth . There is tubular sessile polyp form and swimming medusa forms 2. Polyp have single opening surrounded by tentacles this opening act as both mouth and exceretion. Medusa form has mouth centrally located in a projection called manubrium on the ventral concave surface 4.Characteristic of four classes of cinidaria: 2. Scyphozoa: 3. Cubozoa: 4. Hydrozoa: 6. Most reef building corals contain photosynthetic algae called zooxanthellae that live in their tissue. The corals and algae have mutualistic relationship. Coral provide protection and compound they need for photosynthesis. 7.Major threat to coral reef is pollution , over fishing which causes ecological imbalance 8. When water is warmer coral will expel the algae [ zooxanthellae ] living in their tissue causing the coral to turn completely white this is called coral bleaching..

• Identify the distinguishing characteristics of member of Phylum Cn.pdf

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What are the main responsibilities of the Transport Layer? What are the main services provided by the Transport Layer to the Application Layer? Solution Transport layer is the fourth layer in the OSI reference model. The main function of the transport layer is it acts as a bridge between two layers that is the third layer application layer which transport layer takes some packets from application layers and breaks it in to some sub parts and send those to the next one that is network layer. It maintaions the same sequence without any disturbance and mainly folows the order. The packets which are taken from the upper layer that is application layer in the form of segments. The application layer makes use of the transport layer because these are the host layers. Application layer defines TCP/IP application protocols and how host programs interface with Transport layer services to use the network..

What are the main responsibilities of the Transport Layer What are .pdf

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1. CS in tap water develops different potential from that of SS in same environment. Explain why? 2. From the measured value of CS potential in tap water, determine whether it corrodes or not, knowing that E0(Fe/Fe+2) = - 440 mV vs. Standard Hydrogen Electrode (SHE.). 3. CS in tap water develops different potential from that of CS in brine. Explain why? 4. Are the measured values of potential (E0) for Zn / Zn+2 and Cu / Cu+2 under standard conditions same as those given in the text book? If Not, explain why? 5. What happens to E if metal ion concentration decreases. Explain why? Solution SOlution 1) Carbon steel is made up of iron and carbon while stainless steel is made up of chormium and iron . So reduction potential of two alloys are different based on the metals used. 2) The reduction potential of CS is less than that of hydrogen, so it will be more reactive or more prone to oxidation and will corrode. 3) Due to difference in the enviroment the tendency to undergo oxidation or reduction changes. In water we are considering only hydrogen reduction while in brine salts are also included. 4) They are not exactly same , might me due to some erroe in measurements or due to difference in temperature conditions.Since, standard reduction potential depends upon the temperature, pressure and concentration 5) decreaing the concentration of metal ion will decrease the value of potential of cell(E) ..

1. CS in tap water develops different potential from that of SS in s.pdf

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Which of the following describes the difference between meiosis and mitosis? meiosis results in the production of four daughter cells (sperm or egg) with half the number of chromosomes daughter cells identical to the original cell. meiosis is division of the body cells and mitosis is division of the sex cells. meiosis is cell division in females and mitosis is cell division in males. meiosis is a form of ceil division and mitosis a form of protein synthesis. Transfer RNA contains a codon of three bases, with a particular ammo acid attached, that functions in the production of p consists of long strings of amino acids, and is produced by messenger RNA. is a double-stranded molecule with around 30 bases. is a \"double helix\" with phosphate, sugar, and tour bases (adenine, thymine, cytosine, and guanine) In the scientific method, a hypothesis is a statement proven to be untrue. a speculative statement that cannot be tested using observable phenomena. a set of theories that have been repeatedly tested and confirmed. which can fruitfully guide further research. a testable explanation of observed facts. Solution 4. The difference between meiosis and mitosis. a) Meiosis results in the production of four daughter cells(sperm or egg) with half the number of chromosomes from the original cell and mitosis results in the production of two daughter cells identical to the original cell. Mitosis takes place in the somatic cells of the body and the meiosis takes place in the sexual reproductive cells or the \'germ cells\' of the body. In mitosis, the cells divide once resuting in two daughter cells having same number of chromosome as parent cell. The genetic constitution of the daughter cell as identical to parent cell. In meiosis there are two cell divisions resuting in four daughter cells having half the number of chromosomes as parent cell (reduced from diploid to haploid). The genetic constituion of the daughter cell is different from parent cell..

Which of the following describes the difference between meiosis and m.pdf

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What three addresses are needed to move data from one application to another across a network? Ethernet address, Data Link address, IP address Port address, process address, IP address Logical address, network address, NIC address Network address, NIC address, process address Solution Answer : What three addresses are needed to move data from one application to another across a network ? a.Ethernet address,Data Link address,IP address Answer : a.Ethernet address,Data Link address,IP address.

What three addresses are needed to move data from one application to .pdf

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What will the contents of the a array after the following statements are executed? # define N 10 int a[N] = {1,2,3,4,5,6,7,8,9,10}; int *p = &a[0], *q = &a[N-1], temp; while (p temp = *p; *p++ = *q; *q-- = temp; } Solution Program : #include # define N 10 using namespace std; int main() { int a[N] = {1,2,3,4,5,6,7,8,9,10}; int *p = &a[0], *q = &a[N-1], temp; while(p) { temp = *p; *p++ = *q; *q-- = temp; } cout << \"The content of array after execution of above statements is a[N] = \" <.

What will the contents of the a array after the following statements.pdf

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What are some invasive species on the Hawaii islands. When and how/why were they introduced? What impact have they had? 100 words or more please. Solution Hawaii has been invaded by a number of invasive species – both plants and animals. Some of the invasive species and their effects are, Rosy wolf snail (Euglandina rosea) – introduced to control the African snails, which are an agricultural pest, the Rosy wolf snail has destroyed the native snails of Hawaii. It has eliminated up to half of the 800 endemic species of snails in Hawaii Miconia (Miconia calvescens) – introduced as an ornamental plant, it forms dense thickets that blocks sunlight and kills other plants Fountain grass (Pennisetum setaceum) – it is a highly aggressive species that is more vigorous than the native plants. It quickly reestablishes after fire and alters the natural fire regime Fire tree (Myrica faya) – it forms dense monocultural stands. As a result it poses threat to native plants especially on young volcanic sites and lowland forests. It was introduced as an ornamental and as firewood plant. Guava (Psidium gujava) – introduced for edible fruit cultivation. It forms dense thickets and poses threats to the native flora and fauna of Hawaii. Mongoose – it was introduced to kill large rat population present in the sugarcane fields of Hawaii. If failed to kill the rats but harms the ground nesting birds on the island..

What are some invasive species on the Hawaii islands. When and howw.pdf

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What could cause those issues? What could those issues cause? What are the issues usually happen in research process? Solution The issues which happen in research process are: These issues are caused to The problems these issues will cause I had this experience once when we were implementing quality improvement in an organization. Our organization has been recently merged with another entity. These two entities have different systems. When we designed a questionnaire to system owners, we devised it on the basis of systems of our original unit and for the other unit , we didnot put extra effort and devises standard questions for them. This led to incorrect results that investment of X amount is sufficient to improve performance by Y. In actually, the performance of our unit has improved by Y but the overall organization performance improved by 10% of Y only as other units performance reduced due to this recommendations..

What could cause those issuesWhat could those issues causeWhat.pdf

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Two students, Amy and Jeff, disagree about an analog system function given by H1(s) s. Sensible Jeff claims the system has a zero at s 0. Rebellious Amy, however, notes that the system function can be rewritten as H1(s) 1/s and claims that this implies a system pole at s oo. Who is correct? Why? What are the poles and zeros of the system H2(s) 1/s? Solution H1(S)=S. means that H1(S)=S/1. so the system has a zero at S=0. FOR A GIVEN TRANSFER FUNCTION, THE ROOTS OF THE NUMERATOR EQUATION IS ZEROS OF THE SYSTEM AND THE ROOTS OF THE DENOMINATOR EQUATION IS POLES OF THE SYSTEM. H2(S)=1/S. HERE THE SYSTEM HAS A POLE AT S=0..

Two students, Amy and Jeff, disagree about an analog system function .pdf

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1) A computer converts raw data into information. True False Next Que.pdf

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The final electron acceptor(s) associated with photosystem II is/are: Solution The final electron acceptor associated with photosystem II is \"ADP\". The PS II pigment complex absorbs solar energy; high-energy electrons (e-) leave the reaction- center chlorophyll a molecule. PS II takes replacement electrons from H2O, which splits, releasing O2 and H+ ions.Oxygen is released as oxygen gas (O2). The H+ ions temporarily stay within the thylakoid space and contribute to a H+ ion gradient. As H+ flow down electrochemical gradient through ATP synthase complexes, chemiosmosis occurs.

The final electron acceptor(s) associated with photosystem II isare.pdf

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State the principles of management as enumerated by Henry Fayol. Explain any eight of them? Solution 14 principles of Management are statements that are based on a fundamental truth. These principles of management serve as a guideline for decision-making and management actions. They are drawn up by means of observations and analyses of events that managers encounter in practice. Henri Fayol was able to synthesize 14 principles of management after years of study, namely: 1. Division of Work In practice, employees are specialized in different areas and they have different skills. Different levels of expertise can be distinguished within the knowledge areas (from generalist to specialist). Personal and professional developments support this. According to Henri Fayol specialization promotes efficiency of the workforce and increases productivity. In addition, the specialization of the workforce increases their accuracy and speed. This management principle of the 14 principles of management is applicable to both technical and managerial activities. 2. Authority and Responsibility In order to get things done in an organization, management has the authority to give orders to the employees. Of course with this authority comes responsibility. According to Henri Fayol, the accompanying power or authority gives the management the right to give orders to the subordinates. The responsibility can be traced back from performance and it is therefore necessary to make agreements about this. In other words, authority and responsibility go together and they are two sides of the same coin. 3. Discipline This third principle of the 14 principles of management is about obedience. It is often a part of the core values of a mission and vision in the form of good conduct and respectful interactions. This management principle is essential and is seen as the oil to make the engine of an organization run smoothly. 4. Unity of Command The management principle ‘Unity of command’ means that an individual employee should receive orders from one manager and that the employee is answerable to that manager. If tasks and related responsibilities are given to the employee by more than one manager, this may lead to confusion which may lead to possible conflicts for employees. By using this principle, the responsibility for mistakes can be established more easily. 5. Unity of Direction This management principle of the 14 principles of management is all about focus and unity. All employees deliver the same activities that can be linked to the same objectives. All activities must be carried out by one group that forms a team. These activities must be described in a plan of action. The manager is ultimately responsible for this plan and he monitors the progress of the defined and planned activities. Focus areas are the efforts made by the employees and coordination. 6. Subordination of Individual Interest There are always all kinds of interests in an organization. In order to have an .

State the principles of management as enumerated by Henry Fayol. Exp.pdf

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Please write a general overview of the different ways that using phylogenetic trees can inform our understanding of past evolutionary history. Then, give a detailed summary of ONE of the examples in the book. What is the problem? How would we have misunderstood or incompletely understood the evidence if we did not have the phylogenetic context, and how does using the phylogenetic relationships help to fill in our understanding? What does it mean to count nodes? How do you determine where the common ancestor of two taxa is on a phylogenetic tree? What is rotating a tree around a node? What is the significance of doing it? What does it mean for taxa printed next to one another on a tree? What is pruning a tree? s a pruned tree quivalent to an un- pruned one? Why? Solution Phylogeny represents the evolutionary relationships among a set of organisms or groups of organisms. The identity between different organisms is checked by Phylogenetic trees are constructed by using computational phylogenetics methods. Phylogenetic tree is a directed tree where nodes represent the most recent common ancestor of all the entities at the leaves of the tree..

Please write a general overview of the different ways that using phyl.pdf

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Maech the body regions in eelumn n with the locations in column B. Place the letter of your choice in the space antecubital reproductive orgaes brachial S. elbow 6. forehead celiac a, crural 10. neck cubital 11. upper arm 12 mouth or inner cheek 13. leg S. space in front of elbow Match the body regions in column A with the locatioasia column B. Place the letter of your choice in the space provided. Column B A. inguinal 2. breasts 4. between anus and reproductive organs occipital 6. middle of thorax G. palmar chest pectoral navel 9. chin 10, behind knee. Perineal II. foot plantar 12. back of head popliteal -13 abdominal wall near thigh 14, loin N. sternal umbilical 15. palm Solution Answer part 1: Please find the correct matches and explanations in parentheses below: Answer part 2: Please find the correct matches and explanations in parentheses below:.

Maech the body regions in eelumn n with the locations in column B. Pl.pdf

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