In key distribution and reciprocal authentication schemes two communicating parties cooperate by exchanging messages to distribute keys and/or authenticate each other. In many cases ___________ are used for handshaking to prevent replay attacks.
A. session keys
B. nonces
C. RC4s
D. entropies
B. nonces
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Becky and Ron are trying to get a better handle on their financial holdings. They have created a worksheet with the following column labels: type of account, cash value, premiums, maturity date, etc. The type of account column includes savings, retirement, long-term care insurance, CDs, etc.Ron wants to apply the column width that accommodated long-term care insurance on one line to all seven columns, so he selects the columns and clicks the ____ button in the Cells group on the ribbon and then clicks Column Width to type in the dimension.
A. Format B. Insert C. Merge D. Fill
When a chart is selected, the ________ contextual tab appears on the ribbon
Fill in the blank(s) with correct word
Which of the following is true when upgrading from Windows XP to Windows 7?
a. The upgrade path moves all programs from Windows XP to Windows 7 and installs them on Windows 7. b. If Windows XP was installed on a FAT partition, Windows 7 will be installed on a FAT partition. c. The Windows 7 partition is always formatted prior to the installation. d. Applications must be reinstalled from the Windows.old\Program Files folder after you have completed the Windows 7 installation.
Unshielded twisted pair (UTP) category (CAT) ratings are officially rated in megahertz (MHz), indicating the highest frequency the cable can handle.
Answer the following statement true (T) or false (F)