Question: What is an access control list? [4 marks] (b) What is a capability in the context of access control? [4 marks] (c) How is file

What is an access control list? [4 marks]

(b) What is a capability in the context of access control? [4 marks]

(c) How is file access control in Unix implemented, and what simplifications are made over one of the general mechanisms you have described above? [6 marks]

(d) What is the principle of minimum privilege and which approach, access control lists or capabilities, lends itself better to supporting a minimum privilege regime? [6 marks]

Step by Step Solution

★★★★★

3.46 Rating (156 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The detailed answer for the above question is provided below a An access control list ACL is a list of permissions that are associated with a specific ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Operating System Questions!

What is an access control list?

What is an access token?

What are circuit breakers in the context of stock market trading and volatility?

Computer Systems Modelling Consider a birth death model with birth rates n in states n = 0, 1, . . . and death rates n in states n = 1, 2, . . .. (a) State the detailed balance conditions for the...

Microkernel operating systems aim to address perceived modularity and reliability issues in traditional "monolithic" operating systems. (i) Describe the typical architecture of a microkernel...

Let A, B be sets. Define: (a) the Cartesian product (A B) (b) the set of relations R between A and B (c) the identity relation A on the set A [3 marks] Suppose S, T are relations between A and B, and...

ttth Suppose that the sequence of bags {Bn | n N} is recursively enumerated by the computable function e(n, x) = fn(x), [7 marks] Hence prove that the set of all recursive bags cannot be recursively...

answer the question clearly You are building a flight-control system for which a convincing safety case must be made. Would you assign the tasks of safety requirements engineering, test case...

Question: Check you are in charge of the design of both hardware and software for a new (but fairly conventional) workstation which will have its peripherals (for example a disc drive and a printer)...

Explain why, on a busy system, key press echoes might be delayed when a high-priority user interacts with a low-priority application. Propose a solution, describing how each of the above system calls...

When the moisture content of a soil is 26%, the degree of saturation is 72%, and the moist unit weight is 16.98 kN/m3. Determine: a. Specific gravity of soil solids b. Void ratio c. Saturated unit...

In a study to predict temperature from air pressure in a piston-cylinder device, 19 measurements were made of temperature in ¦f (y) and air pressure in psi (x). three models were fit: the...

The average length of the menstrual cycle is days. 2 8 1 9 1 6 2 1 3 5

Dean plans to retire at the age of 62. He wants an annual income of $60,000 per year. He has 15 years of annual payments to make before retirement. How much does he have to place at the beginning of...

Central Food Inc., is considering replacing its current production line to improve efficiency. The new production line will cost $650,000 plus $50,000 for shipping and installation. The current...

Apple has 350,000 common shares authorized and 200,000 common shares issued and outstanding at $2 par value. On March 17, 2018, Apple issued to Huawei 35,000 shares of Apple common stock as a...

7. The following graphs represent before and after dissociation for a HB HB H+ B O Weak acid which has high electrical conductivity Strong acid with low electrical conductivity O Weak acid which...

1. A Halal food truck company (call them HG) beloved in NYC for its delicious kebabs is considering franchising its food trucks along Broad Street in Philadelphia, which is five miles long. HG...

Alfred Hitchcock's filmmaking technique can best be defined by which description? montage-heavy deep focus and moving-camera dominant objective camerawork a gritty and realist approach to the...

Are both registers and special journals necessary?

What are the conceptual phases of an audit? How do they differ between general auditing and IT auditing?

a. Create a data flow diagram of the current system. b. Create a system flowchart of the existing system. c. Analyze the internal control weaknesses in the system. Model your response according to...

The Damon family owns a large grape vineyard in western New York along Lake Erie. The grapevines must be sprayed at the beginning of the growing season to protect against various insects and...

Each month the National Association of Purchasing Managers surveys purchasing managers and publishes the NAPM index. One of the questions asked on the survey is: Do you think the economy is...

The director of advertising for the Carolina Sun Times, the largest newspaper in the Carolinas, is studying the relationship between the type of community in which a subscriber resides and the...