Researchers conducted a 'natural experiment' to examine the effects of on-site food services on weight gain among first-year college students living in dormitories. they found that on-site food services produced greater weight gain. in this experiment, the on-site food services is the variable, and the weight gain is the variable.

The cm is responsible for overseeing the actions of the crisis management team and coordinating all crisis management efforts in cooperation with disaster recovery and/or business continuity planning, on an as-needed basis

Usually, when we sniff packets, we are only interested certain types of packets. we can do that by setting filters in sniffing. scapy’s filter use the bpf (berkeley packet filter) syntax; you can find the bpf manual from the internet. set the following filters and demonstrate your sniffer program again (each filter should be set separately): (a) capture only the icmp packet. (b) capture any tcp packet that comes from a particular ip and with a destination port number 23. (c) capture packets comes from or to go to a particular subnet. you can pick any subnet, such as 128.230.0.0/16; you should not pick the subnet that your vm is attached to.

Visually impaired individuals generally rely on the for navigation. thus, designers need to ensure that mouse-specific inputs, such as pointing, clicking, and hovering, can be done without a mouse.