Which of the following statements is false?
a) You can use any custom color created from a combination of alpha (transparency), red, green and blue components called ARGB values—each is an integer in the range 0–255 that defines the amount of alpha, red, green and blue in the color, respectively.
b) An alpha value of 0 is completely opaque and an alpha value of 255 is completely transparent.
c) In the IDE, the alpha is specified as a percentage from 0 to 100, which the IDE then translates into 00–FF.
d) To specify an ImageBrush for a TextBlock, click the tab below the Foreground property, then specify values for the Stretch and ImageSource properties.
Part b) is false. It should read: b) An alpha value of 0 is completely transparent and an alpha value of 255 is completely opaque.
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Ann is traveling for business and is attempting to use the hotel's wireless network to check for new messages. She selects the hotel's wireless SSID from a list of networks and successfully connects. After opening her email client and waiting a few minutes, the connection times out. Which of the following should Ann do to retrieve her email messages?
A. Change the authentication method for her laptop's wireless card from WEP to WPA2 B. Open a web browser and authenticate using the captive portal for the hotel's wireless network C. Contact the front desk and have the MAC address of her laptop added to the MAC filter on the hotel's wireless network D. Change the incoming email protocol from IMAP to POP3
What is the error in the following pseudocode?
``` Declare Integer widgets Declare Real cost Set widgets = 3.5 Set cost = widgets * 5 ``` a. widgets is an invalid variable name for this code. b. You cannot mix a Real variable and an Integer variable in a program. c. widgets has been declared as an Integer and cannot hold a floating-point value. d. There is no error.