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A user logs into a laptop using a username and complex password. This is an example of:
A user logs into a laptop using a username and complex password. This is an example of:A . biometricsB . multifactor authenticationC . least privilegeD . single-factor authenticationView AnswerAnswer: D Explanation: Single-factor authentication is a method of verifying a user’s identity by using only one piece of information, such as...
Which of the following statements BEST describes binary?
Which of the following statements BEST describes binary?A . A notational system used to represent an “on” or “off” stateB . A notational system used to represent media access controlC . A notational system used to represent Internet protocol addressingD . A notational system used to represent a storage unit...
Which of the following should the technician select?
A technician needs to install a wireless router for a client that supports speeds up to 11Mbps and operates on the 2.4GHz band. Which of the following should the technician select?A . 802.11aB . 802.11bC . 802.11gD . 802.11nView AnswerAnswer: B Explanation:
Which of the following is the output of the code?
Given the following pseudocode: Which of the following is the output of the code?A . 1B . 9C . 10D . 11View AnswerAnswer: B Explanation: The code uses a for loop to iterate from 1 to 3, and assigns the value of i to the variable x. Then, it adds...
Which of the following is a compiled language?
Which of the following is a compiled language?A . PerlB . JScriptC . JavaD . PowerShellView AnswerAnswer: C Explanation: A compiled language is a programming language that requires its source code to be converted into machine code before it can be executed by the CPU. A compiled language uses a...
A UPS provides protection against:
A UPS provides protection against:A . denial of serviceB . replay attack.C . power outages.D . wiretapping.View AnswerAnswer: C Explanation: A UPS (uninterruptible power supply) provides protection against power outages by providing backup power to connected devices in case of a power failure. A UPS typically consists of a battery,...
Which of the following commands should the administrator use?
A systems administrator wants to return results for a time range within a database. Which of the following commands should the administrator use?A . SELECTB . INSERTC . DELETED . UPDATEView AnswerAnswer: A Explanation: A SELECT command is a SQL (Structured Query Language) statement that is used to return results...
Which of the following does the workstation MOST likely need for the printer to function?
A desktop administrator just connected a printer to a workstation, but the workstation does not recognize the printer. Which of the following does the workstation MOST likely need for the printer to function?A . PermissionB . Ink cartridgeC . USB cableD . DriverView AnswerAnswer: D Explanation: A driver is a...
Which of the following should the developer use to BEST protect the document?
A software developer develops a software program and writes a document with step-by-step instructions on how to use the software. The developer wants to ensure no other person or company will publish this document for public use. Which of the following should the developer use to BEST protect the document?A...
Which of the following relational database constructs is used to ensure valid values are entered for a column?
Which of the following relational database constructs is used to ensure valid values are entered for a column?A . SchemaB . PermissionsC . ConstraintD . ColumnView AnswerAnswer: C Explanation: A constraint is a rule or a restriction that is applied to a column or a table in a relational database...
