D. Take frequent breaks that include moving around and stretching.
Answer:
Banking
Education
Business
Engineering and Architectural designs
Health
Explanation:
Banking : Shifting from the manual method of having to input information into hard book ledgers. Data and payment information can now be stored on computers. This may be used to prevent information duplication, forecasting and efficient payment purposes.
Education : With the use of computers today, students can now take computer based tests which are not only easily accessible and curtails geographical issues, they are also faster.
Business : With computers, businesses can now manage and their store customer information, inventory management and sales tracking.
Engineering and Architectural designs : With computers, thesw fields can now boast of computer aided designs which allows experts produce both 2 and 3 - dimensional prototype of equipments, buildings, building plans or other engineering structures.
Health : Adequate health record, patient appointment, digitally monitored pulse rate are some of the uses of computers in medicine.
Answer:
B. UDP 67
C. UDP 68
Explanation:
In this scenario, after a new firewall is installed, users report that they do not have connectivity to the Internet. The output of the ipconfig command shows an IP address of 169.254.0.101. The ports that would need to be opened on the firewall to allow the users to obtain an IP address are both the UDP 67 and UDP 68. UDP is an acronym for user datagram protocol in computer networking and it is part of the transmission control protocol/internet protocol (TCP/IP) suite.
Generally, the standard Internet communications protocols which allow digital computers to transfer (prepare and forward) data over long distances is the TCP/IP suite.
Also, the UDP 67 and 68 ports is responsible for the connectionless framework which is typically being used by the dynamic host configuration protocol (DHCP) that is used to assign IP addresses to various computer users and manage their leases.
UDP 67 is the destination port for a DHCP server while the UDP 68 is the port number for the computer user (client).
<em>Hence, for the users to have access to the internet or internet connectivity both UDP 67 and 68 must be opened on the firewall. </em>
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