CompTIA CompTIA Certifications FC0-U61 Questions & Answers

• Question 371:

  Which of the following is a compiled language?

  A. Perl

  B. JScript

  C. Java

  D. PowerShell

  Correct Answer: C

  Java is the best answer of the ones presented, but strictly speaking Java isn't a 'true' compiled language. Java source code is 'compiled' to create Java object code which requires a Java runtime engine to execute the code on the computer. A true compiled language (e.g. C++) is compiled to machine code which will execute directly against the target host platform (e.g. Intel x64).

• Question 372:

  A systems administrator uses a program that interacts directly with hardware to manage storage, network, and virtual machines. This program is an example of:

  A. a storage area network.

  B. an embedded OS.

  C. network attached storage.

  D. a Type 1 hypervisor.

  Correct Answer: D

  Unlike Type 2 hypervisors, type 1 hypervisors interact directly with hardware.

• Question 373:

  A user is buying a laptop. The user will have a lot of personal and confidential information on the laptop. The user wants to ensure data cannot be accessed by anyone, even if the laptop is stolen. Which of the following should be set up to accomplish this?

  A. Encryption

  B. Compression

  C. Permissions

  D. Auditing

  Correct Answer: A

  Encryption is a process by which a message , file or data is encoded such that it is only read by certain people who have permissions.

• Question 374:

  Which of the following relational database constructs is used to ensure valid values are entered for a column?

  A. Schema

  B. Permissions

  C. Constraint

  D. Column

  Correct Answer: C

  Constraints are are used to limit the data type such that, only the required data type is entered in a table, any other data action that violates , this is aborted. This helps to enhance reliability and accuracy of data entered in a table.

• Question 375:

  A user is attempting to print a document to a wireless printer and receives an error stating the operation could not be completed. Which of the following should the user do to correct this issue?

  A. Ensure both devices are connected to the LAN.

  B. Enable task scheduling.

  C. Reset the proxy settings to their default values.

  D. Review the fault tolerance configurations.

  Correct Answer: A

• Question 376:

  A user is getting an error message when trying to go to a website. A technician asks the user a few questions to find out more about the issue. The technician opens a browser locally and browses to the same site as the user. Which of the following troubleshooting steps is the technician using by browsing to the same site?

  A. Establish a plan of action.

  B. Gather information

  C. Duplicate the problem.

  D. Find the root cause.

  Correct Answer: C

• Question 377:

  The broadcast signal from a recently installed wireless access point is not as strong as expected. Which of the following actions would BEST improve the signal strength?

  A. Update from 802.11b to 802.11g.

  B. Ensure sources of EMI are removed.

  C. Enable WPA2-Enterprise.

  D. Use WiFi Protected Setup.

  Correct Answer: B

  EMI = Electromagnetic interference, is commonly found in industrial environments, and can adversely affect the accuracy of your instrumentation signals.

• Question 378:

  Which of the following BEST describes an application running on a typical operating system?

  A. Process

  B. Thread

  C. Function

  D. Task

  Correct Answer: A

  Process is an instance of a computer program that's being executed (for example when you USE Word or Excel)

  Task is a set of programming instructions that are loaded in memory (for example when you OPEN word and you see all the loading, that's a task)

• Question 379:

  For which of the following is a relational database management system MOST commonly used?

  A. Building flowcharts

  B. Storing information

  C. Generating reports

  D. Creating diagrams

  Correct Answer: B

• Question 380:

  Which of the following describes something in a database that refers to the unique identifier in the parent table?

  A. Attribute

  B. Constraint

  C. Foreign key

  D. Schema

  Correct Answer: C

  FOREIGN KEY: Unique identifier for a row/record in another database table