Practice IT Networking Questions and Answers

• What is the purpose of the if statement in a shell script?
• Which of the following best describes a transistor?
• What are the three main components of a bipolar junction transistor (BJT)?
• What is the primary function of a transistor?
• Which of the following statements about MOSFETs is true?
• What is the term for the minimum voltage required to turn on a transistor?
• Which type of transistor is less susceptible to thermal runaway?
• What is the most common material used for making transistors?
• Which number system uses a base of 2?
• How many digits are there in the octal number system?
• The hexadecimal number system uses digits from 0 to __.
• What is the decimal equivalent of the binary number 10101?
• What is the binary representation of the decimal number 25?
• Which number system is commonly used in computer systems?
• What is the octal representation of the binary number 110110?
• Which number system is used to represent colors in HTML and CSS?
• What is the decimal equivalent of the hexadecimal number A5?
•  Which number system is commonly used in mathematics and everyday life?
• Which logic gate produces an output that is the complement of the input?
• The truth table for an OR gate has an output of 1 when:
• Which logic gate has an output of 1 only when all inputs are 1?
• The symbol for a NAND gate is an AND gate followed by a:
• The truth table for an XOR gate has an output of 1 when:
• Which logic gate produces an output that is the logical sum of two or more inputs?
• The truth table for a NOR gate has an output of 0 when:
• Which logic gate produces an output that is the logical complement of the OR operation?
• The symbol for a NOT gate is a:
• What is an ER diagram used for?
• Which component of an ER diagram represents an entity?
• In an ER diagram, what does a diamond shape represent?
• Which relationship type indicates that an entity is associated with at least one instance of another entity?
• Which cardinality notation represents a mandatory relationship?
• In an ER diagram, what does a double line connecting two entities represent?
• Which component of an ER diagram represents an attribute?
• What does a crow's foot notation represent in an ER diagram?
• Which relationship type indicates that an entity is associated with exactly one instance of another entity?
• Which notation is used to represent a weak entity in an ER diagram?
•  Which network topology connects all nodes in a linear fashion?
• In which network topology does each node have a direct connection to every other node?
• Which network topology uses a central node to connect all other nodes?