The answer to this question is A
Answer:
Kindly check explanation
Explanation:
The environment is our abode which aids the continued survival and growth of plant, animals and humans. The most important components and natural resources which are neceaaaarybto dwell and survive are all waht a makes up an enviromment. The energy derived from the sun aids power generation, plant growthbduring photosynthetic activities which is rewired to produce crops and feed us. The air we breathe are all a part of our enviromment. Therefore, such environment which provides a canvas or platform for our existence must be greatly cared for and no technological innovation, project or design must be allowed to impact negatively on the enviromment. Thus the need for impact assessment of systems in other to ensure that our abode isn't threatened.
Answer:
Sum = 3
Sum = 9
Sum = 18
Sum = 30
Look at the image for more information.
Answer:
(b) is used in Traceroute
(d) is used by Ping
Explanation:
ICMP is the short form of Internet Control Message Protocol. It is a protocol used by networking devices such as routers to perform network diagnostics and management. Since it is a messaging protocol, it is used for sending network error messages and operations information. A typical message could be;
i. Requested service is not available
ii. Host could not be reached
ICMP does not use ports. Rather it uses types and codes. Some of the most common types are <em>echo request</em> and <em>echo reply.</em>
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Traceroute - which is a diagnostic tool - uses some messages available in ICMP (such as <em>Time Exceeded</em>) to trace a network route.
Ping - which is an administrative tool for identifying whether a host is reachable or not - also uses ICMP. The ping sends ICMP <em>echo request </em>packets to the host and then waits for an ICMP <em>echo reply</em> from the host.
ICMP is not required to solve NAT traversal problem neither does it have a new version in IPV6.
