Answer:
A HUB
Explanation:
A hub can described as an hardware or network device use for multi purpose functions like connecting series of internet devices together there by making it possible for all devices to work or function together on a single network.
Hubs are classified into active hub, passive hub, and intelligent hub.
ACTIVE HUB: This type of hub boost the signals but can not perform calculations.
PASSIVE HUB: this type only send the signals but can not boost a signal.
INTELLIGENT HUB: it brings about the boosting of signals and also bring about packets to be analyzed.
Answer:
D. 256
Explanation:
Given

Required
Determine the maximum number of output
To get the required value, we make use of the following:

Where n is the bits of the opcode.
i.e.

Substitute 8 for n in 


<em>Hence, option D answers the question</em>
Answer:
Check below for the explanation
Explanation:
The following suggestions will be given to the customers:
- Go to network settings and check the WIFI settings to confirm whether the WIFI connection is on. Switch the WIFI to the on position if it is off.
- The customer should check if the wireless driver is installed on the computer, if the driver is not installed, he should try to install it
- The customer should check all the available access points and confirm if their signal strengths are strong enough to allow for any connections. Restart the access point to enhance proper connection.
- Check to see if your operating system is updated to support your internet connection. You can update your operating system to the latest version
- Run a Network Diagnostics on your computer. This will run a couple of tests to see what’s possibly causing your Wi-Fi issues.
The <span>three special purpose devices one might find in a data center and what they do are :
</span><span>1) Load Balancer</span><span> is a device that acts as a reverse proxy and distributes network or application traffic across a number of. servers.</span><span>
2) Logical Servers are logically separate servers (e.g., a Web server, an
email server, and a file server) on the same physical computer.
</span>3) V<span>irtual Servers ran on the same physical computer </span>that shares
hardware and software resources with other operating systems (OS), they are
popular in Web hosting environments.