Computer Networking
The packets switching concept was first proposed

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

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
You get a call from a network administrator who tells you that he typed the following into his router:Router (config) #router ospf 1Router (config-router) #network 10.0.0.0 255.0.0.0 area 0He tells you he still can't see any routes in the routing table. What configuration error did the administrator make?

The AS configuration is wrong.
The OSPF Process ID is incorrect.
The OSPF area is wrong.
The wildcard mask is incorrect.

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
How does a host on an Ethernet LAN know when to transmit after a collision has occurred?1. In a CSMA/CD collision domain, multiple stations can successfully transmit data simultaneously.2. In a CSMA/CD collision domain, stations must wait until the media is not in use before transmitting.3. You can improve the CSMA/CD network by adding more hubs.4. After a collision, the station that detected the collision has first priority to resend the lost data.5. After a collision, all stations run a random backoff algorithm. When the backoff delay period has expired, all stations have equal priority to transmit data.

2 and 4
1 and 3
2 and 5
1,3 and 4

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Computer Networking