You connect a host to a switch port, but the new host cannot log into the server that is plugged into the same switch. What could the problem be?
Options: The router is not configured for the new host., The VTP configuration on the switch is not updated for the new host., The host has an invalid MAC address., The switch port the host is connected to is not configured to the correct VLAN membership.
Repeaters are often used on an 802.3 network to help strengthen the signals being transmitted. As with the length of segments and the number of segments, a limit exists as to how many repeaters can be used between any two nodes. What is the maximum number of repeaters that can be used?
Options: a. means do not change the value in the primary key field if that record has related records in another table
b. means change all the related records in child tables if the record in parent table is changed
c. Both of above
d. None of above
Options: (A)Combining different types of method or information (B) Approach to the design of learning algorithms that is structured along the lines of the theory of evolution. (C) Decision support systems that contain an Information base filled with the knowledge of an expert formulated in terms of if-then rules (D) None of these 4
Options: (A)The low-level components of a system are integrated and tested before the higher-level components have been developed. (B) The testing process starts with modules at lower levels in the hierarchy and works up the hierarchy of modules until the final module is tested. (C) An event driven control system, where an event is broadcasted to each subsystem and any sub-system that can handle that event responds to it. (D) Control starts of the top of a sub routine hierarchy and through sub routine calls passes to lower levels. 13
Options: (A)Suspends main program, execute procedure P1 and after execution resume main program. (B) Procedure P1 is delayed infinitely due to other procedure are given preference. (C) Procedure P1 is not considered for execution. (D) None of these. 13
Options: to create a table, defining its columns, integrity constrains, and storage allocation, to add a column/integrity constraint to a table, to redefine a column, to change a table's storage characteristics
Options: a. Graphical user interface, single tasking operating system
b. Graphical user interface, multitasking operating system
c. Command driven interface, single tasking operating system
d. Command driven interface, multitasking operating system
Options: (A)Quickly creates a default report (B) Displays a subset of the data in a database (C) Contains sample tables and fields you can use to create a table (D) Automatically edits your data as you enter it 4
Use of a supertype/subtype relationship is necessary when which of the following exists?
Options: An instance of a subtype participates in a relationship that is unique to that subtype., An instance of a subtype participates in a relationship that is the same as the other subtypes., Attributes apply to all of the instances of an entity type., No attributes apply to any of the instances of an entity type.