Which of the following is the maximum number of electrical signals transmitted in one second?

Question1) MCQs

  1. Which of the following is the maximum number of electrical signals transmitted in one second?
    1. Baud rate
    2. Bits per second
    3. Signals per second
    4. Bit rate
  2. Which of the following is a network access method used in star or bus topologies?
    1. Token ring
    2. Logon
    3. Encryption
    4. Ethernet
  3. Which of the following is not performed using the NOS?
    1. Arrangement of nodes on a LAN
    2. Adding and removing users
    3. Installing software
    4. Mapping drives and directories for users
LOGGING NETWORK SECURITY CARRIED IDENTIFIED
ENCRYPTED PROTECTED SAVED PASSWORD UNAUTHORISED
SECURE CHARACTERS MISTAKES ID TRANSMISSION
GUESSED ADMINISTRATOR PROCEDURE FREQUENTLY PROCEDURE

When connecting to a _______________ a certain level of access is granted. This is done during a process of logging on. Logon is the _______________ used to get access to the network. The user is _______________ by means of a user ID and a password. The user _______________ usually conforms to limited length such as eight _______________ and then the _______________ must contain at least one digit. The password is an important _______________ measure and must not be readily available or easily _______________ by others (such as a nickname).

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The network must also keep passwords _______________. The password file should be _______________ from unauthorised access and _______________. Network systems may require users to _______________ change their passwords as a security measure. After logging on the user is given access to only those features authorised by the network _______________. The logon _______________ usually allows the user two or three attempts to enter the correct user ID and password. _______________ can occur in typing or in the data _______________. The correct procedure of logging off should always be _______________. This ensures all data is correctly _______________ and programs are closed in the correct manner. _______________ off also reduces the risk of _______________ persons accessing the network

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In: Computer Science

The Garden school want to build a system to calculate students’ grade and check they can…

The Garden school want to build a system to calculate students’ grade and check they can apply for a scholarship. The system can let the administrator can log in this system (no database required) to work with different students’ marks. You need to use the weight of each unit to calculate the final grade. The administrator should enter their account and password at first. They can start work when the account and password are correct. The administrator needs to typing students ID, and according to your prompts to type the following units’ marks. The system must according to those marks to provide the final grade of the students. According to the description, the system should analysis each unit’s marks to provide suitable prompts to let the administrator know that the student meets requirements. According to those results, the administrator can inform those students. Unit Name Description Weight Math Students can attend maths contest when they get 90 marks 30% Biology Students can apply the unit Ecology when they get 75 20% IT Students can get a Microsoft certificate when they get 85 in this unit 20% Painting Students’ productions can be displayed on the school website when they can get 85 in this unit. 10% History 20% Final The student has the opportunity to apply for a scholarship when the final grade is HD. 100% Grade table Marks Grade Note >= 85 HD >=75 D >=65 C >=50 P <50 F Students need to enrol this unit next semester. Units’ marks are 0 Not attend Students need to explain their absence and enrol this unit next semester. In the system, staff can type student’s id to find the students mark details, and staff can get a .txt file of the student’s mark details. In the system, the student can use an account and password to login the system to check their marks and enrol their units. Students can type in the unit code to enrol their unit. One student can enrol no more than 4 unit at a semester. If a student enrols the unit first time, the fee of the unit will be plan A. If the student is the second time to enrol this unit (due to failed last semester), the fee of the unit would be plan B. For example, a student got F in math last semester; the student needs to enrol the unit this semester, but the fee is 1200 instead of 1000. The following are the units that students can enrol Unit Code Unit Name Fee (plan A) $AUD Fee (plan B) $AUD 4483 Math 1000 1200 4485 Biology 1580 1780 4486 Information technology 1580 1780 4487 Painting 1580 1780 4488 History 1000 1200 4489 Ecology 1000 1200 8873 Accounting 1000 1200 8872 Chief 1580 1780 8871 Spanish 1200 1200 Student can get a .txt file when they finish their enroll. There is a student record which is already saved in your program, the student can login the system to check his unit marks and final grade. The student will get Plan B fee when he enrols failed units. You need to display the fee of each unit, and the total fee of all unit. Staff also can get the student information when type in the student ID: Name: Tom ID: u123 Password: u123 Math: 48 Biology: 52 IT: 53 Painting: 45 History: 38 Final grade: F The student needs to enrol math, painting, history next semester.

 

In: Computer Science

Generate all substrings of set {1, 2, 3} using the bit strings method. Show details of…

Generate all substrings of set {1, 2, 3} using the bit strings method. Show details of your work.

 

In: Computer Science

Please Use JavaScript and P5 1) Greeter Create an page with an input, and a button….

Please Use JavaScript and P5

1) Greeter

Create an page with an input, and a button. When the button is clicked, output the phrase “Hello {Name}” to the developer console, with {Name} being the value the user put into the input field.

Use a function that takes the name as an argument, and returns the full phrase as its output.

 

In: Computer Science

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