Computer Networking
When setting up Frame Relay for point-to-point subinterfaces, which of the following must not be configured?

The subinterface type as point-to-point
PAP
An IP address on the physical interface
The Frame Relay encapsulation on the physical interface
The local DLCI on each subinterface

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Computer Networking
Two connected routers are configured with RIP routing. What will be the result when a router receives a routing update that contains a higher-cost path to a network already in its routing table?

The update will be ignored and no further action will occur.
The updated information will be added to the existing routing table.
They will all load-balance.
The existing routing table entry will be deleted from the routing table and all routers will exchange routing updates to reach convergence.
The updated information will replace the existing routing table entry.

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Computer Networking
The physical layer, in reference to the OSI model, defines

None of these
All of these
data link procedures that provide for the exchange of data via frames that can be sent and received
the virtual circuit interface to packet-switched service
the interface between the X.25 network and packet mode device

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Computer Networking
The main difference between synchronous and asynchronous transmission is

the clocking is mixed with the data in asynchronous transmission
the clocking is derived from the data in synchronous transmission
the pulse height is different.
the bandwidth required is different
None of these

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