Which one of the following phrases most accurately describes a purely capacitive circuit?
Options: Resistances provide the only opposition to current flow, Capacitive reactance provides the only opposition to current flow, The ac voltage leads the current by 90 degree, Combinations of resistance and capacitive reactance provide any opposition to current flow
What are the distinct functions of layer 2 switching that increase available bandwidth on the network? Address learning Routing Forwarding and filtering Creating network loops Loop avoidance IP addressing
Options: restoring the operation whenever there is a disk failure, restoring both application and system software whenever there is disk corruption., restoring the data files whenever there is a system crash, All of the above
Options: a . an 8-bit register in the microprocessor b . a 16-bit register in the microprocessor c . a set of memory locations in R/WM reserved for storing information temporarily during the execution of computer d . a 16-bit memory address stored in the program counter
Options: defines a source or destination of system data, identifies data flow, represents a process that transforms incoming data flow(s) into outgoing data flows, is a data store-data at rest, or a temporary repository of data
Options: Return an entire collection of elements including duplicates., Return a collection of elements without duplicates., Return a specific subset of elements using a given criteria., All of the above.
A network administrator wants to upgrade the IOS of a router without removing the image currently installed. What command will display the amount of memory consumed by the current IOS image and indicate whether there is enough room available to hold both the current and new images?
Options: show version, show flash, show memory, show buffers
Options: Uses the result of an inner query to determine the processing of an outer query., Uses the result of an outer query to determine the processing of an inner query., Uses the result of an inner query to determine the processing of an inner query., Uses the result of an outer query to determine the processing of an outer query.