Which description below best describes the purpose of computer firewalls? They check the behavior of the packet and do not allow anything into the network. They do not allow anything in the network and do not check a packet's credentials. They watch the incoming packet and do not allow anything into the network. They check the incoming packet's credentials and behavior of the packet.

8 When does the payload of a malicious program initially activate (first instance)? When installing a program from a trusted, secure site When a file or program is opened When using a password to log in to a computer When a computer is performing its shut down

What is phishing? a. A method to steal sensitive information or b. A coding language c. A software development tool d. A type of hardware

Which of the following should a good user interface include? dim text only text limited updates images

What are the two types of cache memory? Volatile and nonvolatile Physical and virtual DRAM and SRAM Primary and secondary

What is the maximum resolution that an HDM 2.1 can support? 720P 1080P 4K 8K

Smart devices are so called because of their ability to communicate, locate and predict. a. True b. False

What component of UEFI helps to prevent malware from hijacking a system during or before the operating system load? Execute Disable Bit Secure Boot UEFI Defender BitLocker

Which of the following is true of single mode fiber? It has a larger core. It is an older technology. It is more common and used for running Internet to homes.

For the entity PERSON the attribute SSN is an example of a duplicated values attribute. True False

Where is the best place for you to find information about the features and functions of a program you are using? the Start menu the toolbar the Desktop the application's Help menu