A 4 KHz noise less channel with one sample ever 125 per sec is used to transmit digital signals. Differential PCM with 4 bit relative signal value is used. Then how many bits per second are actually sent?
Which of the following is true when describing a link-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.
Options: a. Do not enter a value in the foreign key field of a child table if that value does not exist in the primary key of the parent table
b. Do not enter a value in the primary key field of child table if that value does not exist in the primary key of the parent table
c. Do not enter a value in the foreign key field of a parent table if that value does not exist in the primary key of the child table
d. All of above
Alice is setting up a small network in her home so that she can study for her MCSE exams. She doesn't have a lot of money to spend on hardware, so she wants to use a network topology that requires the least amount of hardware possible. Which topology should she select?
There are certain packages that allow people to define data items, place these items in particular records, combine the records into designated files and then manipulate and retrieve the stored data. What are they called?
Options: Data storage system, Database management system (DBMS), Batch processing system, Data communication package