Answer:
PSTN
Explanation:
The full form of PSTN is Public Switched Telephone Network. It is a traditional circuit-switched telephone network which is used by the several regional, local or national telephony operators. They came in used in 1800s. It is a form of communication among the people which works with the help of underground copper wires.
In the context, when I am travelling through the metropolitan as well as the rural areas of the North America, the PSTN provides the internet connectivity in all the places. It helps me to communicate with the other people with the help of a telephone.
A destination port number at the transport layer identifies which software application on a computer should receive the data transmission: True.
<h3>What is the
transport layer?</h3>
The transport layer can be defined as one of the seven layers of the open systems interconnection (OSI) model and it is responsible for routing messages through an active computer network while selecting the best transmission path from the source to the destination device.
In Computer networking, a destination port number at the transport layer is saddled with the responsibility of identifying which software application on a computer should receive the data transmission.
Read more on transport layer here: brainly.com/question/26177113
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Size dimentions reffer to overall dimentions and will tell the overall width, lenth height and depth of something location dimentions means the locatuon of each geometric shape.
Answer:
Option C, Disaster recovery plan
Explanation:
The seven domains of IT are
User Domain
System/Application Domain
LAN Domain
Remote Access Domain
WAN Domain
LAN-to-WAN Domain
Workstation Domain
To these seven domain, the Disaster recovery plan only applies to the LAN-to-WAN Domain as it is vulnerable to corruption of data and information and data. Also, it has insecure Transmission Control Protocol/Internet Protocol. (TCP/IP) applications and it at the radar of Hackers and attackers
