Answer:
A networking administrator is a multi-factor authentication for employees who use company devices by using a VPN. The level of authentication is 802.1X and OTP.
Explanation:
Network administration is the computer network and uses multiple computers. A company and organization uses multiple computers and need a network admin to connect with a different system. Network administrators depend upon the organization. Some duties of the network administration are split and clearly defined such as
Configure the network hardware, servers, and routers
Upgrade the computer networks
Troubleshooting network issues
Assigning the network models
Deploying the software
Managing the servers
Implementing the security and measure
Network administration requires technical competence and will benefit as a network administrator.
For the level of authentication 802.1, X and OTP are suitable for network administration.
Answer:
Following is the expression written in "Bash script" (mixture of commands):
^\d{5}(?:[-\s]\d{4})?$
Explanation:
- ^ = For staring string (denotation).
- \d{5} = Matching 5 digits (first five unknown x's)
- (?:…) = Making Group (making group of former 5 digits)
- [-\s] = Match a hyphen or a space
(checking if a hyphen is present?)
- \d{4} = Matching 4 digits (next four unknown x's)
- …? = Pattern before it is optional
- $ = Ending of the string.(denotation)
This is known as DNS poisoning, so called because it 'poisons' the entries of the DNS with false information.
