C++ implements polymorphism by waiting until run-time to determine which version of a function to use. This is also known as ______________.
Fill in the blank(s) with the appropriate word(s).
late or dynamic binding
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Answer the following statements true (T) or false (F)
1. To most users, the interface is the system. 2. To be properly utilized, the menu user must know which task he/she desires. 3. Menus can be nested within one another to lead a user through options in a program. 4. A disadvantage of nested menus is that they require users to consider menus in which they have no interest.
PayPal offers a digital payment system known as
(a) PayPal Payment. (b) DPS. (c) eCheck. (d) X Payment.
Match each item with a statement below.
A. A hardware device specially designed to terminate VPNs and join multiple LANs. B. Used when a dial-up user has an old system that doesn't support L2TP and needs to use PPP to establish a VPN connection to your network. C. A network accessible to remote users who need dial-in access. D. A single VPN router contains records of all SAs in the VPN. E. Each participant in the VPN has an approved relationship, called a security association (SA), with every other participant. F. Rapidly becoming the protocol of choice for VPN connections of all sorts and should be used when the other protocols are not acceptable. G. Used when a dial-up user needs to establish a VPN connection with your network. H. Generally less expensive than hardware systems, and they tend to scale better on fast-growing networks. I. Links two or more networks.
What OC level is primarily used as a regional ISP backbone, and occasionally by very large hospitals, universities, or other major enterprises??
A. ?OC-3 B. ?OC-12 C. ?OC-48 D. ?OC-96