in the <u>star</u> topology configuration, hosts are connected to each other through a central controller which assumes all responsibility for routing messages to the appropriate host.
Define topology.
When a geometric object <u>is stretched, twisted, crumpled, or bent without closing or opening holes, ripping, gluing, or passing through itself, certain features are kept</u>. This is known as topology in mathematics.
<u>The study of datasets using </u><u>topological </u><u>methods</u> is known as topological-based data analysis (TDA) in applied mathematics. <u>Open sets are a convenient way to define the basic </u><u>topological </u><u>notions of continuity, compactness, and connectedness</u>.
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Eva would be using any modern day OS from Microsoft OS to Macbook OS
A new data to save last chest
Answer:
1. Firewall.
2. Router.
3. Proxy.
4. SMTP, 25.
Explanation:
1. A firewall is a network security protocol that monitors and controls inbound and outbound traffic based on set aside security rules.
Generally, a firewall is used to control access to a computer or network, as it creates a barrier between a computer or a network and the internet in order to protect against unauthorized access. It is a security system pre-installed on most computers to essentially inspect data being transmitted to or from a computer.
Furthermore, firewalls are typically bidirectional, it checks all sent and received data and only allow authorized traffic through.
2. A router can be defined as a network device that is designed typically for forwarding data packets between two or more networks based on a well-defined routing protocol.
A routing protocol can be defined as a set of defined rules or algorithms used by routers to determine the communication paths unto which data should be exchanged between the source router and destination or host device.
3. A proxy can be defined as a computer network service designed to avail end users (clients) the ability to connect indirectly to other network services. For example, a reverse proxy is a type of server that is placed right in front of other servers such as a web server and forwards or routes the user's (client) requests to those servers sitting behind it. When properly configured, reverse proxy helps to ensure security, reliability and good performance of a network.
4. A spam filter can be defined as a software program designed to process all incoming electronic messages (e-mails) and prevents any unsolicited or unwanted mail (spam) from entering the inbox of a client.
Generally, a spam filter uses SMTP with port number 25 to carry out its services.
SMTP is an acronym for Simple Mail Transfer Protocol and it uses the standard port number of 25 to provide clients with requested services.
Answer:
The answer is "fetch-decode-execute cycle"
Explanation:
The FDE cycle stands for Fetch-Decode-Execute cycle, It is a computing operation, in which a CPU process, to retrieves the system in its order memory form, it also decides that what instruction is supposed to do, and executes certain activities. In this process, the operating system loads the files and the program on a disc to the main memory (RAM).
