Options: a program segment that has not been proved bug-free, a program segment that often causes unexpected system crashes, a program segment where shared resources are accessed, one which is enclosed by a pair of P and V operations on semaphores
Options: (A)hacker breaks security for altruistic or at least non-malicious reasons. (B) hacker of ambiguous ethics and/or borderline legality, often frankly admitted. (C) someone outside computer security consulting firms that are used to bug test a system prior to its launch, looking for exploits so they can be closed. (D) None of these 1
We have done an RFM analysis on our customer data. Mary Jones has a score of "1 1 5". This series means that Mary ________ .
Options: Has ordered recently, orders frequently, and places a large order when she orders., Hasn't ordered recently, orders infrequently, but places a large order when she orders., Has ordered recently, orders frequently, but doesn't place a large order when she orders, Hasn't ordered recently, orders infrequently, and doesn't place a large order when she orders.
Which of the following option is use to retrieval of data?
b. Data Structure
c. Linked list
Options: Every primary-key value must match a primary-key value in an associated table
B. Every primary-key value must match a foreign-key value in an associated table
C. Every foreign-key value must match a primary-key value in an associated table
D. Every foreign-key value must match a foreign-key value in an associated table
The physical layer, in reference to the OSI model, defines
Options: data link procedures that provide for the exchange of data via frames that can be sent and received, the interface between the X.25 network and packet mode device, the virtual circuit interface to packet-switched service, All of the above
Doubling the operating frequency of a purely inductive circuit:
Options: doubles the amount of current through the inductors, has no effect on the current through the inductors, cuts the current through the inductors one-half, increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit
Options: reduction in the value of a currency vis-a-vis major internationally traded currencies, permitting the currency to seek its worth in the international market, fixing the value of the currency in conjunction with the movement in the value of a basket of pre-determined currencies, fixing the value of currency in multilateral consultation with the IMF, the World Bank and major trading partners
Which of the following is true when describing a unique local 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.