A security engineer wants to implement a site-to-site VPN that will require SSL certificates for mutual authentication. Which of the following should the engineer implement if the design requires client MAC address to be visible across the tunnel?

A sync-ordered multicast operation is one whose delivery ordering semantics are the same as those for delivering views in a view-synchronous group communication system. In a thingumajig service, operations upon thingumajigs are causally ordered. The service supports lists of users able to perform operations on each particular thingumajig. Explain why removing a user from a list should be a sync-ordered operation.

What will be an ideal response?

Which of the following selection methods selects an entire word and its following space?

A. double-clicking the word B. pressing the CTRL key and clicking the word C. single-clicking the word D. pressing the SHIFT key and double-clicking the word