The ADT ______ is value-oriented.
1) list
2) stack
3) queue
4) binary search tree
The answer is:
4) binary search tree
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Which of the following statements about pointer initialization and values is false?
a. Prior C++11, the value specified for a null pointer was 0 or NULL. b. When 0 is assigned to a pointer, it’s converted to a pointer of the appropriate type. c. The value 0 is the only integer value that can be assigned directly to a pointer variable without first casting the integer to a pointer type. d. In the new standard, you should use the constant null_ptr to initialize a pointer instead of 0 or NULL.
Most ________ reports take on the general form of actual versus intended performance.
A) performance B) sales C) production D) data capture
How much data (in number of characters) must be exchanged between A and B in order for the connection-oriented communication to yield a shorter session than the connectionless communication? Explain.
In this exercise we will use a simplified mathematical model to analyze the tradeoff between connection-oriented communication and connectionless communication. Explain your answer. On a certain network both forms of communication are provided: • Using connection-oriented communication, it takes 50 second to establish a connection, after which a packet of up to 10 characters can be sent in 1.0 seconds over the connection, in either direction. • Using connectionless communication, a packet of up to 10 characters can be sent in 1.2 second. (The sending of each packet takes slightly longer than in the connection-oriented case, since each packet must find its way to the receiver.) Suppose A and B exchanges messages on this network. A initiates the communication and sends to B a message of 100 characters, which are partitioned into 10 packets. In reply, B sends a message of 50 characters, which are partitioned into 5 packets. Assuming that there is no delay other than the time it takes for establishing a connection (in the connection-oriented case) and for packet transmission:
In the context of an advanced persistent threat, identify the phase during which an intruder is ready to access unprotected or compromised systems.
a. The reconnaissance phase b. The discovery phase c. The capture phase d. The export phase