Answer:
c. Messages flowing to the client typically use a source TCP port number of 80.
d. Messages flowing to the server typically use TCP.
Explanation:
When fred open the web browser and start a connection to the www.certskills.com website.Two things happens from the mentioned things
1.Messages that are going to the server are use TCP(Transmission Control Protocol).
2.Message goes to the client uses port number 80 that is of TCP used for transferring web pages.
Because the port number 80 is reserved for the HTTP used for transferring web pages that uses TCP protocol.
Answer:
I think it's true
Explanation:
I don't know but If I'm wrong tell me?
The SOA is the specific record type found in every zone and contains information that identifies the sever primarily responsible for the zone as well as some operational properties for the zone.
Explanation:
The Start of Authority Records (SOA) has the following information they are
Serial Number: This number is used to find when zonal information should be replicated.
Responsible person: The Email address of a person is responsible for managing the zone.
Refresh Interval: It specifies how often a secondary DNS server tries to renew its zone information.
Retry Interval: It specifies the amount of time a secondary server waits before retrying the zone information has failed.
Expires After: IT specifies the amount of time before a secondary server considers its zone data if it can't contact with the primary server.
Minimum TTL: It specifies the default TTL value for a zone data when a TTL is not supplied.
Answer:
ELECTRONICS
a range of frequencies within a given band, in particular that used for transmitting a signal.
2.
the energy or mental capacity required to deal with a situation.
Explanation:
Inaccurate and misleading
