Answer:
C
Explanation:
<link rel="stylesheet" type="text/css" href="syb/syb.css" title="stylesheet"/>
The above code is self explanatory. All others have wrong rel or title. Title is always stylesheet, and rel as well stylesheet as well as href is external css file which we are loading, and text/css is always the type as it is the css. None of the other has this syntax. And hence this is the right answer.
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.
Answer:
C). STEM students are encouraged to blend and expand their knowledge of all four subject areas.
Explanation:
STEM education is characterized as a learning and development approach that focuses upon an amalgamation of four subject areas including science(S), technology(T), engineering(E), and Mathematics(M). Thus, each letter stands for a subject domain and this integration of four subjects primarily aims to 'blend and expand the knowledge of the students in these areas' integratively. It helps in developing and sustaining the interests of young learners through this integrated approach which also assists them with unique opportunities. Thus, <u>option C</u> is the correct answer.
80 for HTTP, 443 for HTTPS
