With an IP address set starting with 150, you currently have six offices that you are treating as subnets. Plans are in place to open 10 more offices before the end of the year. What subnet mask should you use to satisfy the needed number of subnets and maximize the number of hosts available at each site?
Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?
Options: Paperless office, Electronic mail, Global network, Electronic newspaper
Which of the following is true concerning the mainframe?
Options: It is the same thing as client/server., Requires someone to decide which code should be on the workstation or the server., Mission-critical systems have tended to remain there., All of the above.
Options: format, header and footer
B. view, footer
C. insert, header and footer
D. view, header and footer
Ans:– D ,
Which of the following is not true of a magnetic disk?
Options: It is expensive relative to magnetic tape, It provides only sequential access to stored data, Users can easily update records by writing over the old data, It does not provide an automatic audit trail
Which of the following are valid ways to refer only to host 172.16.30.55 in an IP access list? 172.16.30.55 0.0.0.255 172.16.30.55 0.0.0.0 any 172.16.30.55 host 172.16.30.55 0.0.0.0 172.16.30.55 ip any 172.16.30.55
Options: A) The design of the screen the user will see and use to enter or display data
B) System analysis defines the format and type of data the program will use
C) System Analysis involves creating formal model of the problem to be solved
D) None of the above
Options: you enter the search value into the form, you look at each form sequentially until you see the one you want, you type the key in an entry line, and the correct form is displayed, All of the above
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