To verify if all the IP addresses of a network are being used by computers that are up and running, you can use a port scanner to perform what procedure on a range of IP addresses?
A. ping
B. tracert
C. Nmap
D. port filtering
Answer: A
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The __________ loop is ideal in situations where you want the loop to iterate at least once.
a. while b. for c. switch d. do-while e. pre-test
static member functions:
a. Can use the this pointer. b. Can access only other static member functions and static data members. c. Cannot be called until an object of their class is instantiated. d. Can be declared const as well.
A circularly linked list makes it easy to
A) move from any node to its predecessor B) move from any node to its successor C) jump from the last node to the first D) jump from node to node
Why do serial transmissions travel slower than parallel transmissions?
A) Serial transmissions send 1 bit at a time instead of 8. B) Parallel cables are made of more conductive material than serial cables. C) Serial transmissions can travel farther than parallel transmission. D) Parity checking of data slows a serial transmission.