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4 years ago

Most professional coding standards use _____ for class names. (Points : 2) underscores along with all upper case words

Computers and Technology

1 answer:

Natali [406]4 years ago

4 0

Answer: Pascal case

Explanation:

The most of the professional coder use the standard pascal case for initialize the name of the class in the programming language. The pascal is basically use for writing the class name and each word must begin with the capital letter.

The pascal casing is one of the popular case styling in the programming language which is also known as pascal programming language.

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The working window of a presentation is the _____.

stepan [7]

The answer would be slide

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4 years ago

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Which task can be completed using the Export File menu?

VMariaS [17]

Answer:

You can export files!

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4 years ago

Explain why blocking ping (ICMP echo request) packets at an organization's edge router is not an effective defense against ping

tresset_1 [31]

Answer:

The blocking ping is not effective in an organization because it may required ping echo message from some trusted system. the best method will be to do the filtering of incoming echo ICMP messages.

In systems we have ping utility, that is based on ICMP protocol. Its function is to check the end to end connectivity of the system.

In this case a fist all an echo ICMP message is send to the host then host reply with ICMP message. to defend yourself from this flood attack, we need to filter the incoming echo ICMP packet messages. a net filter can be used to achieve it.

The best method be to applied is the firewall having a net filter with limit setting or any intrusion system. In market we have various firewall and intrusion system available to do so.

Explanation:

Solution

Ping Flood Atack:

In this attack the main of the attacker is to saturate the system with ICMP for example (internet control message protocol) traffic. as you have saturated the system, it will have less CPU time to serve others.

Defence against this attack:

In our systems we have ping utility, that is based on ICMP protocol. Its used to check the end to end connectivity of the system. here fist all an echo ICMP message is send to the host then host reply with ICMP message. to defend yourself from this flood attack , we need to filter the incoming echo ICMP packet messages. a Net filter can be used to achieve this.

The best way will be to used the firewall having net filter with limit setting or any intrusion system. In market we have various firewall and intrusion system available to do so.

Blocking ping packets to avoid ping flood attack:

Its not a good approach to block ping packets. because you may required ping echo message from some trusted system. The best option will be to do the filtering of incoming echo ICMP message.

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4 years ago

True false) keybord has two shift keys.

deff fn [24]

Answer:

True, looking at 'em right now!

Explanation:

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4 years ago

The directory "a" contains its subdirectory "b" and there is no other entry in the directory "a". You want to display "the conte

Svet_ta [14]

The answer assumes that the question is about which command help accomplish display directory contents in Unix-like operating systems.

Answer:

The command is ls.

Explanation:

The command ls (short for list) displays a variety of important information in different ways regarding any directory contents. Because of this, it is probably one of the most used commands in Unix-like operating systems.

Any directory can contain directories and files of different sizes, recently created/modified, attributes like permissions for being accessed, and, with this command, we can see all this information by size, chronologically, by owner, and/or by many more ways.

In the question, we can accomplish to list that the directory "a" contains its sub-directory "b" and no other entry using the next line of code:

Command-line 1: $\\ ls\; a$ (the command "says": display content of a)

Result: $b$

The result is only the directory b because there is no other entry in it.

To display more information regarding b, we can use the many options available for the command ls, like -a (all entries), -d (only directories), -l (long listing format), and so on, e.g. ls -a A (display all entries in directory A, included hidden files).

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3 years ago