Computer Networking
With which network type will OSPF establish router adjacencies but not perform the DR/BDR election process?

IS-IS
Non-broadcast multi-access
Broadcast multi-access
Point-to-point
Backbone area 0

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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.
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 be added to the existing routing table.
The updated information will replace the existing routing table entry.

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Computer Networking
The Internet Control Message Protocol (ICMP)

reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem
None of these
provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another
All of these
allows gateways to send error a control messages to other gateways or hosts

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