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12/7/21, 11:59 AM Pavanakhil Attipatla's Quiz History: 2021 Fall CC Exam 2 2021 Fall CC Exam 2 Results for Pavanakhil Attipatla Score for this quiz: 90.33 out of 125 Submitted Nov 18 at 12:50pm This attempt took 67 minutes. . 111 Question 1 /1 pts Are you wearing a mask? Correct! Yes No . 111 Question 2 /1 pts Academic Integrity Oath/Auth. Make an auth that you will take this exam honestly without any cheating. (hint: the correct answers are all 'Yes, | do'.) Correct! Do you understand that you might get fail (F) grade if you cheat? Yes, | do. v Correct! Do you understand that your career might be ill- fated if you cheat? Yes, | do. v Correct! Do you swear that you are Yes. | do. going to take the exam honestly? Other Incorrect Match Options: e Not sure https://umsystem.instructure.com/courses/15862/quizzes/244014/history?version=1 1/21

12/7/21, 11:59 AM Pavanakhil Attipatla's Quiz History: 2021 Fall CC Exam 2 e No o« Maybe Question 3 313 pts Data protection. Which of the following is about at-rest data protection schemes? FTPS Correct! File access control HTTPS TLS Question 4 414 pts Data protection. Which of the following is about in-flight data protection schemes? (Select all that apply.) Correctl ‘ FTPS Correctl TLS https://umsystem.instructure.com/courses/15862/quizzes/244014/history?version=1 2/21

12/7/21, 11:59 AM Pavanakhil Attipatla's Quiz History: 2021 Fall CC Exam 2 | Correctl HTTPS File access permission . 515 pt Question 5 Pts Hot-Warm-[Cold] storage. Which of the following is about cold cloud storage service? (Select all that apply.) Correct! AWS S3 Glacier AWS EBS Google Drive Correct! Google Archival Cloud Storage Correctl Azure Cool Blob Storage Question 6 0/3pts Data protection location/time. "Data actively moving from one location to another such as across the Internet or through a private network." is called [ ] protection. (Write in all lowercase letters for automatic grading.) https://umsystem.instructure.com/courses/15862/quizzes/244014/history?version=1 3/21

12/7/21, 11:59 AM ou Answered orrect Answers Correctl Correct! Correct! ou Answered Correct! Pavanakhil Attipatla's Quiz History: 2021 Fall CC Exam 2 in-flight in transit in-transit Question 7 4 /5 pts Facebook-T/F. Haystack is Facebook's photo storage system. Haystack is for Fb warm data storage system. F4 is Fb's hot data data storage system. True False False F4 uses more replication factor than Haystack. True Fb uses external CDN more and more. False False Question 8 5.83/7 pts https://umsystem.instructure.com/courses/15862/quizzes/244014/history?version=1 4/21

12/7/21, 11:59 AM Correctl Correct! ou Answered Correct! Correctl Correct! Correct! Correct! Pavanakhil Attipatla's Quiz History: 2021 Fall CC Exam 2 CDN-explanation. Which of the following is correct about CDN? (Select all that apply.) It is an overlay network used to distribute content from origin servers to users in various geographic locations. | CDN reduces origin web server's load as well as users' perceived latency. [ CDN is a customer of content providers. By using CDN, a content provider can't get information on accounting or user demands. Content providers are CDN's customers. Akamai is an example of CDN. CDN reduces user perceived latency. CDN replicates contents to locations closer to users. . 313 pt Question 9 Pts Which of the following is NOT correct about CDN redirection techniques? Broadcast-based distribution DNS based request routing https://umsystem.instructure.com/courses/15862/quizzes/244014/history?version=1 5/21

12/7/21, 11:59 AM Pavanakhil Attipatla's Quiz History: 2021 Fall CC Exam 2 URL rewriting URL based request routing — consistent hashing Question 10 3/3pts Facebook's unique workload. Which of the following is NOT correct about Facebook's unique workload compared to traditional content service (eg. news)? Frequent access of old content Correctl Relatively higher external CDN hit rate Large working set Little cold data (i.e., mostly either hot or warm data) Question 11 0/3 pts Edge Computing Motivation. Which of the following is an advantage of edge computing over cloud computing? High bandwidth usage ou Answered [ Higher Computing Resource available orrect Answer Data not leaving the local area (privacy) High latency https://umsystem.instructure.com/courses/15862/quizzes/244014/history?version=1 6/21

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