If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?
Options: Discard it and send an error message back to the originating host, Flood the network with the frame, Add the source address and port to the MAC address table and forward the frame out the destination port, Add the destination to the MAC address table and then forward the frame
Which of the following is true when describing a global unicast address?
Options: Packets addressed to a unicast address are delivered to a single interface., These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4., These are like private addresses in IPv4 in that they are not meant to be routed., These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.
Options: means storing records in contiguous blocks according to a key., Stores records sequentially but uses an index to locate records, uses an index for each key type, has records placed randomly throughout the file
Which one of the following is a statement of KirchhofFs voltage law?
Options: The total voltage in a parallel circuit is less than the value of the smallest voltage, The algebraic sum of voltages in a loop is equal to zero, The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it, The algebraic sum of voltages entering and leaving a point is equal to zero
Which of the following is not true about modifying table columns?
Options: You can drop a column at any time., You can add a column at any time as long as it is a NULL column., You can increase the number of characters in character columns or the number of digits in numeric columns, You cannot increase or decrease the number of decimal places.