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3 years ago

Describe the nodes in a 2-4 tree.

Computers and Technology

1 answer:

aivan3 [116]3 years ago

4 0

Answer:

The node of the 2-4 tree can have at most three values.

There are basically 3 types of nodes in the 2-4 tree which are as following:-

2-Node.
3-Node.
4-Node.

2-Node:-It contains 1 data element and two child pointers.

3-Node:-It has 2 data elements and three child pointers.

4-Node:-It has 3 data elements and four child pointers.

There is also leaf node which can contain 2,3 or 4 data elements but has no child pointers.

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Which of the following is typically used in a flowchart to indicate a decision?

Vilka [71]

Diamond is typically used in a flowchart or indicate a decision.

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3 years ago

Analyze the following code.

vazorg [7]

Answer:

The correct answer for the given question is "The program has a runtime NullPointerException because test is null while executing test.x"

Explanation:

In this code their is run time exception will occur in Main method i.e "java.lang.NullPointerException "because the object of the Test class i.e test will initialized by "null" .So on executing the statement test.x it gives an Runtime Exception.The "NullPointerException" can occur if we assign the object to the "null" value that why it produce an java.lang.NullPointerException

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3 years ago

Is the wireless network you own as secure as it should be? Examine your wireless network or that of a friend or neighbor and det

AleksandrR [38]

Answer:

See explaination

Explanation:

Wireless Security:

In a bid to examine the network you can use ipconfig /all command in windows or in the event where you are a linux user type in ifconfig to view all the configuration details of your network such as

indows IP Configuration

Host Name . . . . . . . . . . . . : myvpc-hb

Primary Dns Suffix . . . . . . . : example.com

Node Type . . . . . . . . . . . . : Hybrid

IP Routing Enabled. . . . . . . : Yes

Ethernet adapter Local Area Connection:- - - - - -

Connection-specific DNS Suffix . :- - - - - -

Description . . . . . . . . . . : Intel 68540-Based PCI Express Fast Ethernet Adapter

Physical Address. . . . . . . . . : 00-03-AA-BC-CA-8F

Autoconfiguration Enabled . . . . : Yes

Link-local IPv6 Address . . . . . : fe65::ab56:ccb9:320c:524d%8(Preferred)

IPv4 Address. . . . . . . . . . . : 192.168.45.111(Preferred)

Default Gateway . . . . . . . . . : 192.168.15.1

DHCP Server . . . . . . . . . . . : 192.168.15.1

DHCPv6 IAID . . . . . . . . . . . : 201327615

Note: If you want to deeply examine the your network and to find security model go with Wireshark application.It will help you to capture the data packets easily using GUI.Also it will provide other details like transmission control protocols,etc.

To take your network to highest level i.e. to make it more secure you can use:

1.Firewalls like application gateways,packet filtering,hybrid systems.

2.Crypto cable routers

3.Virtual private networks, etc.

Estimation of cost and the time to increase the level is solely depends on the type of the architecture you want to use for the network building structure.Also the size of the network will be responsible for the cost and time.

In case of any attack on your computer it depends on the size of the data on the computer disc and the bandwidth of the network to which your computer is connected to replace all data. The faster the bandwidth of the network,faster the data replacement rate.

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2 years ago

A user has just clicked the OK button on a Web form. Which technology is often used to process information sent from the form?

Taya2010 [7]

Still cant tell which is which

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2 years ago

What is the recommended procedure for disconnecting an external hard drive to avoid losing data??

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Go to files than click on USB file then do eject device before taking it out

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3 years ago

Read 2 more answers