Computer Networking
Which of the following network types have a designated router and a backup designated router assigned?1. Broadcast2. Point-to-point3. NBMA4. NBMA point-to-point

All of these
1, 2 and 3
1 and 3
3 and 4

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
The packets switching concept was first proposed

in the late 1950s for Defense Ministry of US
in the early 1960s for military communication systems, mainly to handle speech
All of these
in the late 1980s for the Defense Ministry of US.
None of these

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
The main difference between TCP and UDP is

All of these
TCP is an Internet protocol where as UDP is an ATM protocol
UDP is connection oriented where as TCP is datagram service
None of these
UDP is a datagram where as TCP is a connection oriented service

ANSWER DOWNLOAD EXAMIANS APP