Practice IT Networking Questions and Answers

• Which of the following is the boolean expression for the XOR function?
• The boolean function f(x, y, z) = (x AND y) OR (NOT(y) AND z) is equivalent to which of the following boolean expressions?
• Which boolean function returns true if and only if all input variables are true?
• The boolean function f(x, y) = x OR (NOT(y)) is equivalent to which of the following boolean expressions?
• The boolean function f(x, y, z) = (x AND y) OR (x AND NOT(z)) is equivalent to which of the following boolean expressions?
• Which of the following boolean functions is commutative?
• Which of the following components is used to amplify an analog signal?
• In an RC circuit, what happens to the charging time constant (τ) if the resistance (R) is increased?
• What is the purpose of a voltage divider circuit?
• Which of the following is an example of an active electronic component?
• The gain of an amplifier is defined as:
• What is the purpose of a diode in a circuit?
• Which of the following is used to store electrical energy in a circuit?
• Which of the following characteristics describes an ideal operational amplifier (op-amp)?
• What is the purpose of a transistor in a circuit?
• What does the term "bandwidth" refer to in analog electronics?
• Which of the following is a primary source of energy for most power plants?
• Which type of power plant produces electricity by harnessing the energy of falling or flowing water?
• Which of the following is not a component of a steam power plant?
• Which of the following power plants relies on the fission of uranium atoms to generate heat?
• Which of the following is a disadvantage of using fossil fuel power plants?
• Which type of power plant uses mirrors or lenses to concentrate sunlight and generate electricity?
• Which of the following is the primary fuel used in natural gas power plants?
• Which type of power plant generates electricity by converting the kinetic energy of wind into mechanical energy?
• Which of the following is a component of a combined cycle power plant?
• Which of the following power plants is known for being a renewable energy source that utilizes the Earth's internal heat?
• In object-oriented programming, what is inheritance?
• Which keyword is used to implement inheritance in most programming languages?
• Which of the following is NOT a type of inheritance?
• What is abstraction in object-oriented programming?
• Which of the following is NOT an example of abstraction?
• What is the main purpose of abstraction?
• What is polymorphism in object-oriented programming?
• Which of the following is an example of polymorphism?
• Which type of polymorphism is achieved through inheritance and method overriding?
• Which layer of the OSI model is responsible for logical addressing and routing?
• Which protocol is commonly used in the network layer for addressing and routing on the internet?
• Which of the following is a key function of the network layer?
• Which network layer protocol is used to translate logical addresses to physical addresses in Ethernet networks?
• Which routing algorithm is commonly used in the network layer to calculate the shortest path between network nodes?