False. I think the $ sign is used for that. e.g. $A$4.
Answer:
URI is the uniform resource identifier and it is basically a sequence of the character which identify the physical and logical resources. The uniform resource identifier basically contain the predefined set of rules and syntax and also maintain the extensibility hierarchical schema.
There are basically two types of URI that are:
1) Uniform Resource Name (URN)
2) Uniform Resource Locator (URL)
For example: HTTP protocol , file transfer protocol (FTP).
Answer: Application layer
Explanation:
Application layer of OSI(Open system interconnection) that is responsible for interfacing the communication with the user by displaying information or message. It maintains the transmission of file and assessment, emailing faculty, using network services etc.
- According to the question,if any Skype user has complain regarding video call drop while conferencing then application is responsible to solve the issue.
- This layer will be the starting point of troubleshoot by approaching to network resources.As call drop can occur due to network service, congestion or resource issue.
The cabling methods that would be an ideal option for connecting workstations to the data room is: B. Horizontal cabling.
<h3>What is cabling?</h3>
Cabling can be defined as a process through which wires that are made of either glass or copper are used for connecting one network device to another, in order to form a computer network and enable them communicate with one another.
<h3>The types of cabling methods.</h3>
In Computer networking, there are four (4) main types of cabling methods and these include:
Horizontal cabling is typically used for connecting workstations to the data room over a distance of at most 90 meters. Thus, horizontal cabling should be used for a distance between workstations and the data room spanning 87 meters.
Read more on horizontal cabling here: brainly.com/question/25337328