Answer: Networking protocols are important as they define a set of rules to be used for exchanging information between computer nodes.
Explanation:
in terms of networking it is required for the source and the destination to have a set of predefined rules which enables the router to send and receive information across the network in such as way that both the ends are able to receive the messages.
The information exchange takes place first by the client by introducing itself to the remote server. the remote server upon receiving the information uses some form of handshaking and acknowledges the client of the receipt of the message.
besides this there are many routing protocols which tells us about the way how packets are sent from the client to the source. There are two types of routing protocols:
1. static routing protocols
2. dynamic routing protocols.
Answer:
C. Mandatory access control
Explanation:
In the implementation of computer security, the mandatory access control (MAC) refers to the implementation of a security feature by operating systems. In this method, individual resource owners’ are unable to deny or grant permissions to a resources contained in a file. The criteria in a MAC when defined by the system administrator is implemented and enforced by the OS.
Answer: Yes
Explanation:
Computer hardware includes the physical parts of a computer, such as the case, central processing unit (CPU), monitor, mouse, keyboard, computer data storage, graphics card, sound card, speakers and motherboard. It is very important to have these parts, without them, your computer will not work.
A. You may be unable to link to the site.
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Answer:
Approved in 2009, Wi-Fi 4 enables operation in both the 2.4 and 5 GHz frequencies, a game changer at the time. It was the first standard to use MIMO (Multiple In, Multiple Out) and offered better speed, 300 Mbps, better range, more resistance to interference and backward compatibility with Wi-Fi 2 and
Hope this is helpful to you.......
