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Vedmedyk [2.9K]
4 years ago
9

If a local DNS server cannot find an IP address for a specified URL, it does this.

Computers and Technology
1 answer:
NISA [10]4 years ago
8 0

Answer:

a. Queries the next DNS server

Explanation:

If a local DNS server cannot find an IP address for a specified URL, it queries the next DNS server.

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Help me with this please​
Gnesinka [82]
Different types of connections are..

-A network is two or more devices connected through links.

-There are two possible types of connections: point-to-point and multipoint.

-A point-to-point connection provides a dedicated link between two devices.

Explain the different types of topologies

-Star network…
In star topology each device in the network is connected to a central device called hub. Unlike Mesh topology, star topology doesn't allow direct communication.

-Ring network…
A number of repeaters are used for Ring topology with large number of nodes, because if someone wants to send some data to the last node in the ring topology

-Bus network…
In bus topology there is a main cable and all the devices are connected to this main cable through drop lines. There is a device called tap that connects the drop 

-tree topology…
Tree topologies have a root node, and all other nodes are connected which form a hierarchy. So it is also known as hierarchical topology. This topology integrates 

-Computer network…
Ring Topology; Star Topology; Mesh Topology; Tree Topology; Hybrid Topology; How to select a Network Topology? Types of Networking Topologies.

-Mesh networking…
Ring Topology; Star Topology; Mesh Topology; Tree Topology; Hybrid Topology; How to select a Network Topology? Types of Networking Topologies.

Different type of networks

-Computer network…
Virtual Private Network (VPN). By extending a private network across the Internet, a VPN lets its users send and receive data.

-LAN…
Using routers, LANs can connect to wide area networks (WANs, explained below) to rapidly and safely transfer data. 3. Wireless Local Area Network (WLAN).

-Wide area network…
Wide area network, or WAN. In terms of purpose, many networks can be considered general purpose, which means they are used for everything from sending files etc.

-Metropolitan area network…
MAN or Metropolitan area Network covers a larger area than that of a LAN and smaller area as compared to WAN. It connects two or more computers that are apart.

-Wireless LAN…
WLAN (Wireless Local Area Network) helps you to link single or multiple devices using wireless communication within a limited area like home, school, or office 

-Wireless network…
A Wireless Local Area Network or WLAN is a network that is used to connect different devices without using wires etc.

-Storage area network…
Storage Area Network is a type of network which allows consolidated, block-level data storage. It is mainly used to make storage last longer etc.

-Personal area network…
PAN can be used for establishing communication among these personal devices for connecting to a digital network and the internet.

-Campus area network…
A Metropolitan Area Network or MAN is consisting of a computer network across an entire city, college campus, or a small region. This type of network is large.

Explain your own understand about protocol and standards

A protocol defines a set of rules used by two or more parties to interact between themselves. A standard is a formalized protocol accepted by most of the parties that implement it.

explain layers in OSI model

Physical, Data Link, Network, Transport, Session, Presentation, and Application.

Explain layers in tcp/ip model

Four layers of TCP/IP model are 1) Application Layer 2) Transport Layer 3) Internet Layer 4) Network Interface. ... It is also known as a network layer. Transport layer builds on the network layer in order to provide data transport from a process on a source system machine to a process on a destination system.

what are the peer to peer processing

In peer-to-peer (P2P) networking, a group of computers are linked together with equal permissions and responsibilities for processing data. Unlike traditional client-server networking, no devices in a P2P network are designated solely to serve or to receive data
5 0
3 years ago
Which model states that the people and the environment for communication are constantly changing? A. linear B. interactive C. tr
In-s [12.5K]

The interactive model of communication states that the people and the environment for communication are constantly changing.

B. interactive

<u>Explanation:</u>

The world is a big place and you must have come across the infamous hearing, "Change is the only constant". Gradually, with the passage of time, the mindset of the people change over a certain topic for communication.

For instance, in old times, people did not prefer their children to have love marriages, in fact India has also seen honor killings to prevent love marriages. But now most portion of the society stands in favor of love marriages. People change, perspective change, and so does the perception and ideas.

6 0
3 years ago
Data frames can be subset by a chosen value using ==.
balandron [24]

Using python knowledge and writing code importing pandas, it is possible to create a function that corresponds to what you want.

<h3>Writting in python:</h3>

<em>import pandas as pd</em>

<em>if __name__ == "__main__":</em>

<em>    df=pd.read_csv('mtcars.csv')</em>

<em>    cylinders=int(input())</em>

<em>    print(df[df.cyl==cylinders].shape)</em>

See more about python at brainly.com/question/18502436

#SPJ1

5 0
2 years ago
You run the ipconfig command on your computer, and it reports an IP address of 169.254.75.10 on the Ethernet interface. Which de
Ray Of Light [21]

Answer:

This IP address is assigned to the interface by the following device:

d. The local computer

Explanation:

  • Ipconfig command is also known as Internet protocol configuration command. It is command line tool that is used to configure the IP of network connections. This command give us information about the information about IP and other parameters like default gateways.
  • The IP address 169.254.X.X is such IP address that can have values from 169.254.0.1 to 169.254.254.
  • 169.254.X.X is a Automatic Private IP Address that tells that our computer is not connected with the internet because the computer is not getting IP address from server.
5 0
4 years ago
In your own words, explain the role of scientific investigation in the development of the Theory of Evolution.
AveGali [126]
The theory of evolution is the product of scientific investigation
7 0
3 years ago
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