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.
A _____ provides a set of integrated computer tools that allow a decision maker to interact directly with computers in order to retrieve information useful for semistructured and unstructured decisions,
Options: Primary key
B. Secondary key
C. Candidate key
D. Foreign key
Ans:– C ,
The program counter:
Options: decides which program to run, counts the number of instructions that have been executed, contains the address of the next instruction to be executed, is where arithmetic is done in a computer.
Options: Acts as the fastest port to all servers., Provides multiple collision domains on one switch port., Breaks up broadcast domains in a layer 2 switch internetwork., Provides multiple broadcast domains within a single collision domain.
.The elements of an array are stored successively in memory cells because
Options: A)by this way computer can keep track only the address of the first element and the addresses of other elements can be calculated
b.the architecture of computer memory does not allow arrays to store other than serially
c.both of above
d.none of above
Which of the following is true concerning an ODBMS?
Options: They have the ability to store complex data types on the Web., They are overtaking RDBMS for all applications., They are most useful for traditional, two-dimensional database table applications., All of the above.