Advantages of Relational Database Management systems are
Options: Flexibility, of relating different logical files, Security controls can be more easily implemented., Data independence since it allows the database to grow by adding new attributes and relations., All of the above
Options: American standard code for information interchange, All purpose scientific code for information interchange, American security code for information interchange, American Scientific code for information interchange
Ethernet and Token-Ring are the two most commonly used network architectures in the world. Jim has heard of the different topologies for networks and wants to choose the architecture that will provide him with the most options. Which of the following would that be? Choose the most correct answer.
Options: Token-Ring because it currently can run at both 4Mbps and 16Mbps. This means that it can be used in any topology, Ethernet, because it is cabled using fiber-optic cable, Token-Ring, because it uses a MAU, Ethernet, because it can be set up with most topologies and can use multiple transfer speeds
In analyzing the compilation of PL/I program, the term "Syntax analysis" is associated with
Options: recognition of basic syntactic constructs through reductions, recognition of basic elements and creation of uniform symbols, creation of more optional matrix, use of macro processor to produce more optimal assembly code
The difference between linear array and a record is
Options: a. An array is suitable for homogeneous data but the data items in a record may have different data type b. In a record, there may not be a natural ordering in opposed to linear array. c. A record form a hierarchical structure but a linear array does not d. All of 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