#1
What does the symbol '&' represent in programming languages?
Logical AND operator
Bitwise AND operator
String concatenation operator
Assignment operator
#2
In HTML, what does the ' ' tag stand for?
Break
Bold
Background color
Border
#3
What does the symbol '@' commonly represent in email addresses?
#4
What does the acronym HTML stand for?
Hypertext Markup Language
Hyperlink and Text Markup Language
High-Level Text Management Language
Hypertext Modern Language
#5
What does the symbol '#' typically represent in programming languages?
Exponentiation
Hash or pound sign
Modulus
Root
#6
What is the purpose of the 'git clone' command in Git?
To create a new branch
To clone a repository from a remote server
To merge branches
To delete a repository
#7
Which encryption algorithm is widely used for securing internet communication?
AES (Advanced Encryption Standard)
RSA (Rivest-Shamir-Adleman)
DES (Data Encryption Standard)
SHA-256 (Secure Hash Algorithm 256-bit)
#8
In mathematics, what does the symbol '∑' represent?
Division
Subtraction
Multiplication
Summation
#9
Which programming language is often associated with the symbol '++' to increment a variable?
#10
What is the purpose of the 'grep' command in Unix/Linux?
Graphical representation
Global regular expression print
Get repository
Global search regular expression and print
#11
What is the purpose of the 'chmod' command in Unix/Linux?
Change modification time of a file
Change ownership of a file
Change file permissions
Change the file type
#12
Which cipher involves shifting the letters of the alphabet by a fixed number of positions?
Caesar cipher
Vigenère cipher
Substitution cipher
Transposition cipher
#13
In circuit diagrams, what does the symbol 'R' usually represent?
Resistance
Resistor
Reactance
Reactant
#14
Which cryptographic hash function is commonly used for password hashing?
#15
In networking, what does the symbol '/' represent in IP addresses (e.g., 192.168.1.1/24)?
Subnet mask
Port number
Broadcast address
Default gateway