Which of the following is(are) true concerning information-system careers?
Options: the primary reason for this increase is the declining cost of hardware, the number of information-system specialists recruited is expected to be greater than any other profession in the 1990s., an information-system career is one of the few area that is recession-proof, both (a) and (b)
You need to allow one host to be permitted to attach dynamically to each switch interface. Which two commands must you configure on your catalyst switch to meet this policy? Switch(config-if)# ip access-group 10 Switch(config-if)# switchport port-security maximum 1 Switch(config)# access-list 10 permit ip host 1 Switch(config-if)# switchport port-security violation shutdown Switch(config)# mac-address-table secure
Options: the operation is continuous each shift, but stops between shifts, coffee breaks are allowed for the operator, a computer is a required part of the machine, each operation in a sequence is continuous, but subsequent operations in the sequence may be different.
Which of the following is true for machine language.
Options: Repeated execution of program segments, Depicting flow of data in a system, A sequence of instructions which, when followed properly, solves a problem, the language which communicates with the computer using only the binary digits 1 and 0.
Options: A) A compiler does a conversion line by line as the program is run
B) A compiler converts the whole of a higher level program code into machine code in one step
C) A compiler is a general purpose language providing very efficient execution
D) None of the above