Consider the following fragment of code in an authentication program: username = read_username(); password = read_password(); if username is "l33t h4ck0r" return ALLOW_LOGIN; if username and password are valid return ALLOW_LOGIN else return DENY_LOGINWhat type of malicious software is this?Select one:a. Keyloggerb. Logic bombc. Wormd. Viruse. Backdoor

Technician a says that if a valve is open when a piston rises to the very top of a cylinder, the piston may actually strike the valve head and cause serious engine damage. technician b says if the camshaft is located in the engine block, then the engine is called an overhead valve engine, ohv engine, or an in-block camshaft. who is right? a. b only b. both a and b c. a only d. neither a nor b

What is the term for water wave that is created by an underwater earthquake

Which excel file extension stores automated steps for repetitive tasks?