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- a Using the following Test Metrics calculate (i) Test coverage & No. of user stories (ii) Defect density No. of test cases for all user stories Average noof test cases per story 150 640 12.8 600 510 No. of defects identified by QA 29 No. of defects identified by Client 3 Total no. of test cases executed No. of test cases passedThe goal of redundancy is to reduce what variable? mean time to recovery median time between failures average time between failures median time to recoveryWhich one of the answer below is NOT part f IAM best practices? Have a strong password rotation policies Use access keys for programmatic access Use roles to access services Always use ROOT account to login
- Based on the following System log at time of system crash, answer the questions that follows: What are the recovery actions in each of the following recovery techniques? a. Deferred Update b. Immediate update (Undo/Redo)24) Which of the following is not correct about DLP(Daa Loss Prevantion) when a policy violation is detected by the D.L.P agent a) It is reported back to the D L P server b) It Quarantine the data until later C) It Alert a supervisor of the request d) It desen't take any actionWhich of the following internal control procedures would safeguard against the aforementioned dangers? An employee conceals the theft of future cash payments from a client by writing off the accounts receivable amount as uncollectible.
- A small insurance company has an online application system that allows its customers to interactwith the business (e.g., log claims). Backups of the customers’ details are done on a spreadsheetdocument stored on Google drive. However, anyone who has access to the Google drive link ofthe file can view and modify all the customer details. On the backup, the system administratordoes not have visibility of the modifications made on the file. By analysing the scenario above, use the security design principles to criticise theoperations of the small insurance company and propose any two simple controlsthat could influence a good security program.XACMLThe following represent two examples of XACML 2.0 policies. Which single one of these statements is false:a) An access request from Alice Samson at 14:00 on 01 January 2018 according to the first policy, will failComputer Security Coursework, 2020/2021 Page 11b) Purpose of the last rule in each of the two policies is to deny any requests that are not covered by the previous permitting rules in each of the two policiesc) If the two policies above were combined into one policy set in the order they appear with a policy-combining algorithm “first-applicable”, then the outcome of the request by Alice Samson be at 14:00 on 01 January 2018 to access the “server.acme.co.uk/docsserver” would be accepted when evaluated against the new policy setd) Adding to the AND of the condition a third part with a “anyURI-equal” function applied to an attribute “machine.alice.come” will strengthen the condition by also requiring that Alice’s request arrives from a particular URI address equal to…Classify each of the following vulnerabilities using the PA model. Assume that the classification isfor the implementation level. Remember to justify your answers.(a) The presence of the “wiz” command in the sendmail program (see Section 24.2.9).(b) The failure to handle the IFS shell variable by loadmodule (see Section 24.2.9).(c) The failure to select an Administrator password that was difficult to guess (see Section 24.2.10).(d) The failure of the Burroughs system to detect offline changes to files (see Section 24.2.7) PA : Improper protection domain initialization and enforcement Improper choice of initial protection domain (domain) Improper isolation of implementation detail (exposed representations) Improper change (consistency of data over time) Improper naming (naming) Improper deallocation or deletion (residuals) Improper validation (validation of operands, queue management dependencies) Improper synchronization Improper indivisibility (interrupted atomic…
- Classify each of the following vulnerabilities using the Protection Analysis Mode( PA) model. Assume that the classification isfor the implementation level. Remember to justify your answers.(a) The presence of the “wiz” command in the sendmail program (b) The failure to handle the IFS shell variable by loadmodule (c) The failure to select an Administrator password that was difficult to guess (d) The failure of the Burroughs system to detect offline changes to files Protection Analysis Mode( PA) model: Improper protection domain initialization and enforcementa. Improper choice of initial protection domainb. Improper isolation of implementation detailc. Improper change, consistency of data over timed. Improper naminge. Improper deallocation or deletion2. Improper validation, validation of operands, queue management3. Improper synchronizationa. Improper indivisibility, interrupted atomic operationsb. Improper sequencing, serialization4. Improper choice of operand or operationBetween Full, Incremental, and Differential A.) Which one backs up the things that have been changed or added since the Last Full Back Up? B.) Which one backs up the things that have changed or added since any type of backup.Why would an attacker execute the command “uname –a”. Group of answer choices Find a users name Find a priviledge users name Find an exploit that affects that particular system. Find the name of the system