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حل واجب T215b واتس اب +966596368034

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  • حل واجب T215b واتس اب +966596368034

    T215B: Communication and information technologies (II)Fall 2016/2017______________________________________________ _______________________________Tutor-Marked Assignment________________________________________ _____________________________________Cut-off date: TBA_______________________________________________ ______________________________Total Marks: 100TMA ContentsQuestion 1 (35 marks)Question 2 (30 marks)Question 3 (14 marks)Question 4 (21 marks)Plagiarism Warning:As per AOU rules and regulations, all students are required to submit their own TMA work and avoidplagiarism. The AOU has implemented sophisticated techniques for plagiarism detection. You mustprovide all references in case you use and quote another person's work in your TMA. You will bepenalized for any act of plagiarism as per the AOU's rules and regulations.Declaration of No Plagiarism by Student (to be signed and submitted by student with TMA work):I hereby declare that this submitted TMA work is a result of my own efforts and I have not plagiarizedany other person's work. I have provided all references of information that I have used and quoted inmy TMA work.Name of Student:………………………………..Signature:………………………………………….. .Date:……………………………………………………Question 1: FingerprintThis question carries 35 % of the marks for this assignment.During your study of T215B, you have been introduced to finger print systems as an example ofbiometric security systems which play a major role of providing assurances about theauthentication of the user. Based on this information as well as the internet and otherresources (e.g., books and AOU e-library), write a short report explaining the following factors: Fingerprint is considered as a physiological biometric. List 2 advantages and 2disadvantages of Fingerprint. (6 marks) Matching methods for fingerprints can be broadly classified into three categories:Correlation-based, Minutiae-based and Ridge-feature-based matching. Explain the mainidea of each category. (12 marks) Both optical and solid-state fingerprint sensors can be designed to acquire imagesthrough users either touching them or sweeping their fingers over them. Draw acomparison table that summarizes at least five differences between a touch sensor anda sweep sensor. (10 marks)Short Report Writing:Please adhere to the following guidelines for writing your report:Your report should be between 500 and 600 words in length. Under-length and overlengthreports will be penalized.Your report should include at least two figures and/or tables. Do not forget to include acaption for each figure/table and to use cross-referencing. (2 Marks)Ensure that your report has an appropriate structure and style. (2 marks)You must cite all the references i.e. any internet web site, book, journal, article etc. thatyou have used as a source of information for your report (3 marks)You are advised to remind yourself of the issues concerning plagiarism.Question 2: Message Digest (MD5)This question carries 30% of the marks for this assignment.During your study of T215B, you have been introduced to Message-Digest 5 (MD5) whichplays a major role of ensuring the confidentiality of data as well as in providing assurancesabout the authentication of the sender and the integrity of the data. You have been asked towrite a general description about this hash function.Your brief should include the following items: Define and describe the MD5? (4 Marks) List two applications of MD5? (5 Marks) When applying MD5 algorithm, the message goes through five steps in order to find itsmessage digest, list and explain those steps? (15 marks)Please adhere to the following guidelines for writing your summary:Your summary should be between 250 and 350 words in length. Under-length and overlengthreports will be penalized.Your summary should include at least two figures and/or tables. Do not forget to includea caption for each figure/table and to use cross-referencing. (2 Marks)Ensure that your report has an appropriate structure and style. (2 marks)You must cite all the references i.e. any internet web site, book, journal, article etc. thatyou have used as a source of information for your report (2 marks).Question 3This question carries 14% of the marks for this assignment.There are two modes of operation for biometric security systems which are:1- Enrolment mode2- Recognition mode.Explain these two operation modes.Question 4: Columnar transposition Encryption:This question carries 21 % of the marks for this assignment.Two communicating parties have agreed to use a columnar transposition cipher to encrypt theirmessages. Further, say that they agreed to use the codeword “Printer”, and agreed that thetransposition is to reverse the order of the letters of the codeword and then swap pairs ofletters, starting at the right-hand end. What will be the ciphertext for the message:“Communication and information”? Show your calculations for the encryption steps clearly.

  • #2
    حل واجب t215b واتس اب +966596368034 Question 1: Fingerprint This question carries 35 % of the marks for this assignment. During your study of T215B, you have been introduced to finger print systems as an example of biometric security systems which p

    T215B: Communication and information technologies (II)Fall 2016/2017______________________________________________ _______________________________Tutor-Marked Assignment________________________________________ _____________________________________Cut-off date: TBA_______________________________________________ ______________________________Total Marks: 100TMA ContentsQuestion 1 (35 marks)Question 2 (30 marks)Question 3 (14 marks)Question 4 (21 marks)Plagiarism Warning:As per AOU rules and regulations, all students are required to submit their own TMA work and avoidplagiarism. The AOU has implemented sophisticated techniques for plagiarism detection. You mustprovide all references in case you use and quote another person's work in your TMA. You will bepenalized for any act of plagiarism as per the AOU's rules and regulations.Declaration of No Plagiarism by Student (to be signed and submitted by student with TMA work):I hereby declare that this submitted TMA work is a result of my own efforts and I have not plagiarizedany other person's work. I have provided all references of information that I have used and quoted inmy TMA work.Name of Student:………………………………..Signature:………………………………………….. .Date:……………………………………………………Question 1: FingerprintThis question carries 35 % of the marks for this assignment.During your study of T215B, you have been introduced to finger print systems as an example ofbiometric security systems which play a major role of providing assurances about theauthentication of the user. Based on this information as well as the internet and otherresources (e.g., books and AOU e-library), write a short report explaining the following factors: Fingerprint is considered as a physiological biometric. List 2 advantages and 2disadvantages of Fingerprint. (6 marks) Matching methods for fingerprints can be broadly classified into three categories:Correlation-based, Minutiae-based and Ridge-feature-based matching. Explain the mainidea of each category. (12 marks) Both optical and solid-state fingerprint sensors can be designed to acquire imagesthrough users either touching them or sweeping their fingers over them. Draw acomparison table that summarizes at least five differences between a touch sensor anda sweep sensor. (10 marks)Short Report Writing:Please adhere to the following guidelines for writing your report:Your report should be between 500 and 600 words in length. Under-length and overlengthreports will be penalized.Your report should include at least two figures and/or tables. Do not forget to include acaption for each figure/table and to use cross-referencing. (2 Marks)Ensure that your report has an appropriate structure and style. (2 marks)You must cite all the references i.e. any internet web site, book, journal, article etc. thatyou have used as a source of information for your report (3 marks)You are advised to remind yourself of the issues concerning plagiarism.Question 2: Message Digest (MD5)This question carries 30% of the marks for this assignment.During your study of T215B, you have been introduced to Message-Digest 5 (MD5) whichplays a major role of ensuring the confidentiality of data as well as in providing assurancesabout the authentication of the sender and the integrity of the data. You have been asked towrite a general description about this hash function.Your brief should include the following items: Define and describe the MD5? (4 Marks) List two applications of MD5? (5 Marks) When applying MD5 algorithm, the message goes through five steps in order to find itsmessage digest, list and explain those steps? (15 marks)Please adhere to the following guidelines for writing your summary:Your summary should be between 250 and 350 words in length. Under-length and overlengthreports will be penalized.Your summary should include at least two figures and/or tables. Do not forget to includea caption for each figure/table and to use cross-referencing. (2 Marks)Ensure that your report has an appropriate structure and style. (2 marks)You must cite all the references i.e. any internet web site, book, journal, article etc. thatyou have used as a source of information for your report (2 marks).Question 3This question carries 14% of the marks for this assignment.There are two modes of operation for biometric security systems which are:1- Enrolment mode2- Recognition mode.Explain these two operation modes.Question 4: Columnar transposition Encryption:This question carries 21 % of the marks for this assignment.Two communicating parties have agreed to use a columnar transposition cipher to encrypt theirmessages. Further, say that they agreed to use the codeword “Printer”, and agreed that thetransposition is to reverse the order of the letters of the codeword and then swap pairs ofletters, starting at the right-hand end. What will be the ciphertext for the message:“Communication and information”? Show your calculations for the encryption steps clearly.

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    • #3
      حل واجب t215b واتس اب +966596368034 Question 2: Message Digest (MD5) This question carries 30% of the marks for this assignment. During your study of T215B, you have been introduced to Message-Digest 5 (MD5) which plays a major role of ensuring the c

      Question 2: Message Digest (MD5)This question carries 30% of the marks for this assignment.During your study of T215B, you have been introduced to Message-Digest 5 (MD5) whichplays a major role of ensuring the confidentiality of data as well as in providing assurancesabout the authentication of the sender and the integrity of the data. You have been asked towrite a general description about this hash function.Your brief should include the following items: Define and describe the MD5? (4 Marks) List two applications of MD5? (5 Marks) When applying MD5 algorithm, the message goes through five steps in order to find itsmessage digest, list and explain those steps? (15 marks)Please adhere to the following guidelines for writing your summary:Your summary should be between 250 and 350 words in length. Under-length and overlengthreports will be penalized.Your summary should include at least two figures and/or tables. Do not forget to includea caption for each figure/table and to use cross-referencing. (2 Marks)Ensure that your report has an appropriate structure and style. (2 marks)You must cite all the references i.e. any internet web site, book, journal, article etc. thatyou have used as a source of information for your report

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      • #4
        حل واجب t215b واتس اب +966596368034 Question 3 This question carries 14% of the marks for this assignment. There are two modes of operation for biometric security systems which are: 1- Enrolment mode 2- Recognition mode. Explain these two operation m

        Question 3This question carries 14% of the marks for this assignment.There are two modes of operation for biometric security systems which are:1- Enrolment mode2- Recognition mode.Explain these two operation modes.

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        • #5
          حل واجب t215b واتس اب +966596368034 Question 4: Columnar transposition Encryption: This question carries 21 % of the marks for this assignment. Two communicating parties have agreed to use a columnar transposition cipher to encrypt their messages. Fu

          Question 4: Columnar transposition Encryption:This question carries 21 % of the marks for this assignment.Two communicating parties have agreed to use a columnar transposition cipher to encrypt theirmessages. Further, say that they agreed to use the codeword “Printer”, and agreed that thetransposition is to reverse the order of the letters of the codeword and then swap pairs ofletters, starting at the right-hand end. What will be the ciphertext for the message:“Communication and information”? Show your calculations for the encryption steps clearly

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