Mod 07 Networking Fundamentals
Authored by willie reynolds
Computers
Professional Development
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30 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Akello uses his computer to download a document from the internet. What role does his computer play as opposed to the computer from which he is downloading the document? Select two.
His computer is a client
His computer is a server
The computer from which he downloads the document is a client
The computer from which he downloads the document is a server
Answer explanation
Akello's computer acts as a client because it requests the document, while the computer providing the document is a server, as it hosts and serves the requested data.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
You are running a performance test using three different browsers on the same computer to simultaneously access the same web site. What numeric identifier or address is used to keep the three connections separate at the application (browser) level?
MAC Address
Port number
IP address
FQDN
Answer explanation
The port number is used to differentiate multiple connections to the same IP address. In this case, each browser instance uses a different port number to maintain separate connections to the web server.
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Ramah is preparing a presentation on networking terminology. She wants to ensure everyone understands the difference between a node and a host. How should she define these terms?
Every host is a node, but not every node is a host.
A host can be either a client or a server, but not both.
A host has an IP address a node has a MAC address.
A node is not used to run a variety of applications.
A smart thermostat is an example of a node.
Answer explanation
A node is any device on a network, while a host specifically refers to devices that can communicate over the network, like computers or servers. Thus, every host is a node, but not all nodes are hosts. A smart thermostat exemplifies a node.
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
You run the ipconfig/all command on your Windows computer and see a hexadecimal value that looks like this: E0-70-EA-4E-AB-A5 What does it represent?
IP address
Port number
MAC address
Logical address
Physical address
Answer explanation
The value E0-70-EA-4E-AB-A5 is a MAC address, which is a unique identifier for network interfaces. It is also referred to as a physical address, as it is used to identify devices on a local network.
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Jesenia read an article that said stored data, such as when you are downloading an app, is transmitted using TCP, but live-streaming events are transmitted using UDP. Why would this be true?
TCP is reliable and ensures the delivery of data using a connection-oriented mechanism.
UDP uses acknowledgements to ensure and guarantee the delivery of important data.
UDP will retransmit data that has been lost during the transmission to guarantee delivery.
UDP is fast and does not retransmit lost data so as not to disrupt the live video feed.
Stored data is transmitted to a specific device, but live-stream data is sent to various devices.
Answer explanation
TCP is reliable, ensuring data delivery, making it ideal for stored data. In contrast, UDP is faster and does not retransmit lost data, which is crucial for live-streaming to avoid disruptions in the video feed.
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Gulliver is trying to determine why one of the computers at work cannot connect to the network. He thinks it might be DHCP related but wants to rule out the computer itself as being the problem. Gulliver manually configures the network settings that will allow the computer to connect to the network. What three values does he configure?
IP address
Subnet Mask
Port number
MAC address
Default Gateway
Answer explanation
To connect to a network manually, Gulliver needs to configure the IP address, Subnet Mask, and Default Gateway. These values are essential for proper network communication, while the Port number and MAC address are not required for this setup.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Torino receives a call from a SOHO client who says her computer is not working. He goes to her office and checks the network settings. He notices that the default gateway entry is blank, yet he can ping the router. Once he enters the default gateway, the problem is solved. What did the client mean when she said her computer is not working?
The network interface card was disabled
The computer had no internet access
She could not print on the local printer
The computer had an invalid IP address
Answer explanation
The client meant her computer had no internet access, as the blank default gateway prevented proper routing. Once the default gateway was entered, connectivity was restored.
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