Computer Networking
Which statements are true regarding ICMP packets?1. ICMP guarantees datagram delivery.2. ICMP can provide hosts with information about network problems.3. ICMP is encapsulated within IP datagrams.4. ICMP is encapsulated within UDP datagrams.

All of these
2 and 3
1 and 4
1 only

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Computer Networking
HDLC (High-level Data Link Control) is

network access standard for connecting stations to a circuit-switched network
a very common bit-oriented data link protocol issued by ISO.
a method of determining which device has access to the transmission medium at any time
a method access control technique for multiple-access transmission media
None of these

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Computer Networking
What command is used to stop RIP routing updates from exiting out an interface but still allow the interface to receive RIP route updates?

Router (config-router) # no routing updates
Router (config-if) # passive-interface
Router (config-if) # no routing
Router (config-router) # passive-interface s0

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Computer Networking
Which statement describes a spanning-tree network that has converged?

All switch and bridge ports are either blocking or looping.
All switch and bridge ports are in the forwarding state.
All switch and bridge ports are in either the forwarding or blocking state.
All switch and bridge ports are assigned as either root or designated ports.

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