You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be?
Options: You didn't boot the router with the correct command., NVRAM is corrupted., The configuration register setting is incorrect., The newly upgraded IOS is not compatible with the hardware of the router.
. When a thread waits indefinitely for some resource, but other threads are actually using it is called
B. Demand Paging
D. None of them
Ans: – A
Options: is a device that performs a sequence of operations specified by instructions in memory., is the device where information is stored, is a sequence of instructions, is typically characterized by interactive processing and time-slicing of the CPU's time to allow quick response to each user.
. How can a user open the Expression Builder dialog box?
Options: a. By clicking the drop-down arrow on the Control Source property
b. By clicking the drop-down arrow of the Input Mask property in the Data tab
c. By clicking the Build button of the Input Mask in the Data tab
d. By clicking the Build button of the Control Source property in the Data tab
Options: Columns button on the Page Setup group in Page Layout ribbon
B. Columns button on the Pages group in Insert ribbon
C. Columns button on the Styles group in Home ribbon
D. Columns button on the Show group in View ribbon
Ans:– A ,
Options: is more secure than end-to-end encryption, is less secure than end-to-end encryption, can not be used in a public network, is used only to debug