What command would you run from a Windows command line to test a computer's network stack?
A. arp-a
B. pinggateway
C. ipconfig/all
D. ping127.0.0.1
Answer: D
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The try block cannot:
a. Enclose the code that may throw the exception. b. Enclose its own catch blocks. c. Test enclosing try blocks for additional catch statements if this try block’s catch statements can’t match the exception being thrown. d. Have exceptions explicitly or implicitly thrown in the try block itself.
Functional interface BiConsumer’s accept method has two parameters. For Maps, the first represents the ________ and the second the corresponding ________.
a. key, variable b. lambda, value c. lambda, variable d. key, value
You need to set up a local network to support Windows Vista, Windows 8.1, and OS X computers that will share printers and folders with each other. Which type of network do you need to configure?
a. Homegroup b. Dial-up c. VPN d. Workgroup
At each layer of the OSI model, data is appended to the original message and then sent on to the next lower layer. What is this process called?
A. encapsulation B. deencapsulation C. packetization D. checkpointing