Question
Which of the following network devices is also called a
concentrator?Solution
A hub is called a concentrator because it connects multiple devices in a network and forwards data to all of them.
More Computer Awarenes Questions
What is referential integrity?
Which deadlock prevention scheme allows older transactions to preempt younger ones?
In an E-R Diagram, entities are typically represented by:
In PL/SQL, a `CURSOR` is used to:
A system is in a safe state when:
Which database model represents data in a tree-like structure, where each child record has only one parent?
A "diamond" shape in an E-R Diagram typically represents a:
Distributed transactions typically use which protocol for atomicity?
Which normal form ensures no partial dependency of non-prime attributes on a candidate key?
Which of the following is a non-relational database?
