UGC NET Computer Science : June 2012 - Paper 2 (Solved Papers)
Question 1 |
Both hosts and routers are TCP/IP protocol software. However, routers do not use protocol from all layers. The layer for which protocol software is not needed by a router is
Layer – 2 (Network Interface) | |
Layer – 1 (Physical) | |
Layer – 5 (Application) | |
Layer – 3 (Internet) |
Question 2 |
In multiuser database if two users wish to update the same record at the same time, they are prevented from doing so by
Password | |
Documentation | |
Record lock | |
Jamming |
Question 3 |
A binary search tree is a binary tree :
All items in the left subtree are less than root | |
All of the above | |
Each subtree is itself a binary search tree | |
All items in the right subtree are greater than or equal to the root |
Question 4 |
What deletes the entire file except the file structure ?
ZAP | |
ERASE | |
DELETE | |
PACK |
Question 5 |
Which command is the fastest among the following ?
COPY FILE FILE1 FILE2 | |
COPY STRUCTURE TO [NEW FILE] | |
COPY TO [NEW FILE] | |
COPY TO MFILE-DAT DELIMITED |