Computer Networking
Which of the following are unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet?1. Half-duplex Ethernet operates in a shared collision domain.2. Half-duplex Ethernet operates in a private collision domain.3. Half-duplex Ethernet has higher effective throughput.4. Half-duplex Ethernet has lower effective throughput.

4 only
2 only
1 and 4
1,2 and 3

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Computer Networking
Which of the following is true when describing an anycast address?

Packets are delivered to all interfaces identified by the address. This is also called one-to-many addresses.
Packets addressed to a unicast address are delivered to a single interface.
These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.
This address identifies multiple interfaces and the anycast packet is only delivered to one address. This address can also be called one-to-one-of-many.

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Computer Networking
A front-end processor is

a minicomputer that relieves main-frame computers at a computer centre of communications control functions
a user computer system
a processor in a large-scale computer that executes operating system instructions
preliminary processor of batch jobs.
None of these

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