Computer Networking
For connecting modem, a computer must be equipped with a port that conforms to the RS-232 standard of the Electronic Industries Association of America. What do the letters 'RS' stand for?

None of these
Random sequence
Registered source
Recommended standard
Recognised standard

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Computer Networking
A network administrator is connecting hosts A and B directly through their Ethernet interfaces, as shown in the illustration. Ping attempts between the hosts are unsuccessful. What can be done to provide connectivity between the hosts?1. A crossover cable should be used in place of the straight-through cable.2. A rollover cable should be used in place of the straight-through cable.3. The subnet masks should be set to 255.255.255.192.4. A default gateway needs to be set on each host.5. The subnet masks should be set to 255.255.255.0.

2 and 5 only
2 only
1 only
1 and 5 only
3 and 4 only

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Computer Networking
Terminals are used to

provide information for the manager
All of these
None of these
collect data from the physical system
communicate management decisions to the physical system

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