Answer:
What sources? WILL ANSWER in comments
Answer:
B) Punctuation
Explanation:
Punctuation are greatly used in different programming languages for different purposes. In the Java, C++ and C# Programming languages for example, two popular punctuation marks are the comma (,) and semi-colon (;). The comma is used for separating elements of a list and arrays, while the semi-colon indicates end of an executable statement or line of code. Other popular punctuation marks used in programming are periods (dot), question marks, parenthesis angle brackets and braces each implementing a specific grammatical syntax in the language.
Answer:
d. ICMP Echo Reply (type 0)
Explanation:
ICMP or internet control message protocol is an Internet layer protocol in the TCP/IP suite. It works together with routing devices like the router to send messages based on results sensed in the network.
The RFC 1122 has stated that the ICMP server and end user application be configured or installed in user devices, for receiving and sending ICMP echo request packets and reply. The process is called pinging.
For an attacker to implement ping of ping, he needs to confirm if the target user in live by sending an ICMP echo request packet type 8, to receive an ICMP echo reply type0.
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The answer is commissioned