Question 9 What is the optimized version of the relation algebra expression πA1(πA2(σF1(σF2(r)))), where A1, A2 are sets of attributes in  with A1 ⊂ A2 and […]

Question 2 A bridge has access to _______ address in the same network. A Physical B Network C Datalink D Application Computer-NetworksHardware-and-various-devices-in-networking Question 2 Explanation:  A […]

Question 16 If the MF bit-0, Fragment Offset : 1480 and Total Length : 520 in an IP datagram, then the length of datagram is A […]