Computer Networking
The 802.5 standard implements a way for preventing collisions on the network. How are collisions prevented when using this standard?

Time sharing
CSMA/CD
Token passing
Collision detection
Switched repeaters

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Computer Networking
You are connecting your access point and it is set to root. What does Extended Service Set ID mean?

That you have more than one access point and they are in the same SSID connected by a distribution system.
That you have multiple access points, but one is a repeater access point.
That you have more than one access point and they are in separate SSIDs connected by a distribution system.
That you have multiple access points, but they are placed physically in different buildings.

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Computer Networking
The packets switching concept was first proposed

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

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Computer Networking
Which two of the following are true regarding the distance-vector and link-state routing protocols?1. Link state sends its complete routing table out all active interfaces on periodic time intervals.2. Distance vector sends its complete routing table out all active interfaces on periodic time intervals.3. Link state sends updates containing the state of its own links to all routers in the internetwork.4. Distance vector sends updates containing the state of its own links to all routers in the internetwork.

None of these
1 only
2 and 3 only
3 only

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