When connectionless protocols are implemented at the lower layers of the OSI model, what are usually used to acknowledge the data receipt and request the retransmission of missing data?
upper-layer connection-oriented protocols
The Layer 4 header contains which type of information to aid in the delivery of data?
During the encapsulation process, which identifiers are added at the transport layer?
Which two functions of the OSI model occur at layer two? (Choose two.)
media access control
What information can be gathered by using the command netstat?
active TCP connections
Which subnet mask will allow 2040 hosts per subnet on the IP network 10.0.0.0?
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