Answer: Application layer
Explanation: Application layer is the level in the OSI model which carries out the function of the abstraction in the network.The abstraction works by maintaining the interface between application and network.
It helps in the transferring of the information and data as well using the protocols. So,if any time out message alert is received by clicking on the link then the server condition is usually busy and thus cannot respond. In this case application layer is responsible for the problem.
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Answer:
True of False?
True
Explanation:
Different sub domains can be directed to different IPs servers but a client server cannot be forced to keep looking at name servers for additional records.
To delegate a subdomain to a zone on another server, one would need to add NS-records for the sub-domain name. This would point to the host names of the DNS servers hosting the sub-domain - in the parent zone.
In the "DNS records" window right-click the parent zone in the left list and select "New NS-record":
The four basic functions of a computer are input, processing, output and storage.
Answer: True.
Explanation:
When a user wants to make a phone call, he needs to inform to the called party, that he wants to call him.
The only way to do this, is setting up a connection between the two phones, which is started by the calling party informing to the phone switch which is directly connected to, that he wants to make a call, picking up the phone, which modifies his connection state, making him available for calling.
The switch then signals him (sending him an audible call tone) so he can send the digits that identify the called party.
When the destination switch identifies the called user, signals him also (sending in this case a ringing tone).
When he picks up his phone, answering the call, the connection is set up, and both people can talk each other.
Without all this signaling process, it would be completely impossible to set up the call.