Email client as port 25 is the default port for an email server.
Theft or vandalism through to natural disasters are physical threats. Non-physical threats target the software and data on the computer systems, Like hackers or just straight up viruses. Also, untrustworthy apps or games can give your computer viruses as well.
Answer:
The first thing that the browser checks is the cache for the DNS record to find the corresponding IP address.
Explanation:
After the technician sets up the internal DNS server for his local network, the first thing that is checked when he types a website into the url of a browser is the cache to look for corresponding IP addresses.
DNS which means Domain Name System is a database that maintains the website name (URL) and the IP address that it is linked to. There is a unique IP address for every URL (universal resource locator).
Internal DNS servers store names and IP addresses for internal or private servers
Answer:
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