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.
I believe that answer A is true
Answer
Its for the purpose of maintenance and readability
Explanation
A presentation-oriented markup web application generates interactive web pages containing various types of markup language.
Markup is a language designed for the purposes of processing definition and presentation. It specifies code for formatting, both the layout and style, within a text file. Markup describes the structure while the styling is how it looks. it uses the code to specify the formatting which are called tags.
Answer:
Option (D) i.e., synchronous is the correct option to the following question.
Explanation:
The following statement are the synchronous type of training because it is the type of training which is given to students or the persons for the purpose of knowledge in present time and the trainer or that person who give them information they can receive feedback and message at that time and all persons has permission to ask questions with them.
Option C is incorrect because in this type of training the interaction between the trainer and the receiver could not be established.
Option A is incorrect because the classroom-based training only for that person or the students who are available at that time at that place and in this video conferencing is not available.
