Computer Networking
Which of the following describe the DHCP Discover message?1. It uses FF:FF:FF:FF:FF:FF as a layer 2 broadcast.2. It uses UDP as the Transport layer protocol.3. It uses TCP as the Transport layer protocol.4. It does not use a layer 2 destination address.

4 only
3 and 4
1 and 2
1 only

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
Why does the data communication industry use the layered OSI reference model?1. It divides the network communication process into smaller and simpler components, thus aiding component development, design, and troubleshooting.2. It enables equipment from different vendors to use the same electronic components, thus saving research and development funds.3. It supports the evolution of multiple competing standards and thus provides business opportunities for equipment manufacturers.4. It encourages industry standardization by defining what functions occur at each layer of the model.

2 and 3
1 only
1 and 4
3 only

ANSWER DOWNLOAD EXAMIANS APP

Computer Networking
Two computers that communicate with each other use a simple parity check to detect errors for ASCII transmissions. Which of the following events will always lead to an undeleted error?

one bit or any odd number of bits inverted in a block of data during transmission
two bits or any even number of bits inverted in a block during transmission
two bits or any even number of bits inverted in a byte during transmission
one bit or any odd number of bits inverted in a byte during transmission
None of these

ANSWER DOWNLOAD EXAMIANS APP