External hard drives typically connect to a computer via an external port (such as a USB or ____ port) or a wireless connection.
A. IrDA
B. Firewall
C. Bluetooth
D. Thunderbolt
Answer: D
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We are interested in providing a class, say class A, with an overloaded operator << for output. You can’t put a using directive or declaration in a function header. There are three ways to make namespace names available in a declaration of an overloaded operator<< Give two of the three ways to declare an overloaded operator << Give the #include, assume that class A has been defined, then define a stand-alone operator<< function for output of a class. Only give the two declarations, not the implementation, of such overloaded functions.
What will be an ideal response?
Kurt, an administrator, configures a device that functions at the network layer, and also has 24 collision domains. Which of the following terms BEST describes this device?
A) VPN concentrator B) Wireless access point C) Multilayer switch D) Hub
The conditional operator (?:):
a. Is the only ternary operator in C++. b. Is a unary operator. c. Associates from left to right. d. Accepts two operands.
A network administrator notices that the hourly plot of a router’s data traffic varies from hour to hour. What does this information tell the network administrator?
a. This is most likely normal operation. b. The network administrator needs to compare this hourly plot with expected hourly plots of the router’s data traffic. c. The network administrator should run diagnostics on the router. d. The router needs to be rebooted.