Sean is studying at a friend's house and notices that he can connect to the wireless network without entering a wireless network key.What does this indicate about the network?
A) He can use the network only for a limited time. B) The network connection is probably not secure. C) He cannot connect to the Internet from the network. D) The network most likely uses a firewall for protection.
A) is standard for all PLCs. B) indicates what PLC input is connected to what input device. C) indicates what PLC output is connected to what output device. D) indicates what PLC input is connected to what input device and indicates what PLC output is connected to what output device.
Patricia intends to study analyses of the last five Presidential elections.Which of the following is an authentic source for the study?
A) The official websites of the Democratic and Republican parties B) The personal websites of the presidential candidates who lost the last five elections C) A political commentator's website that is popular in a certain region D) Articles published in a newspaper known to be neutral toward any political party
When should a user consider restoring the operating system?
A) When programs or apps do not start properly B) When the monitor does not display anything C) When you cannot print documents D) When you can't connect to the Internet
Cathy wants to buy a new watch online, but is concerned about security when making the purchase.Which of the following increases the chance that her payment is NOT secure?
A) Shopping on a website that uses 3D Secure protocol B) Shopping on a website that uses Transport Layer Security C) Shopping using an e-wallet D) Shopping on a website that uses the HTTP protocol