NetworkPerformance

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Open Ended

Why did the network get fined?

Multiple Choice

What are the different ways the performance of a network can be improved?

• Upgrading hardware

• Reducing bandwidth

• Increasing user load

• Implementing firewalls

Multiple Choice

What is the difference between a LAN and a WAN?

• A LAN covers a small geographical area

• A WAN is usually owned by a company

• A LAN spans greater distances

• A WAN covers a small geographical area

Multiple Choice

A company upgrades its network and PCs to gigabit speeds. After the upgrade, users are not getting the expected performance. Technicians discover that the speeds of the endpoint NICs are inconsistent. Which of the following should be checked first to troubleshoot the issue?

• Speed mismatches

• Load balancer settings

• Devices’ duplex settings

• Office wiring category

Multiple Choice

What needs to be done to load a website?

• Uploaded to a web server

• Downloaded from a web server

• Stored on a local device

• Accessed from a cache

Multiple Choice

1. Identify among the following which is mainly used to host web site.

• Mail server

• Webserver

• Database server

• None

Multiple Choice

A software and hardware system that stores, processes, and serves web pages to users when they request them through their web browsers.

• Web computer

• web server

• web browser

• search engine

Multiple Choice

Computer which stores the different web pages is called as:

• Service Provider

• Web Browser

• Web Server

• Web Site

Multiple Choice

What is the main function of a Web server?

• To store graphics and video files

• To monitor the speed of your Internet connection

• To display Web pages on your computer screen

• To send you Web pages that you request

Open Ended

What do you think the upload speed is?

Multiple Choice

What is the difference between low download speed and high download speed in terms of internet performance?

• Low download speed is faster than high download speed

• High download speed is slower than low download speed

• Low download speed is referred to as 'Slow Internet'

• High download speed is referred to as 'Fast Internet'

Multiple Choice

What are the factors that can affect the performance of a network?

• Number of Devices connected to the network

• Network Latency

• The Number of Transmission Errors

• Type of Network Traffic

Multiple Choice

Josiah used a tool to measure how many bits he could transfer over his home connection to the Internet.

This table shows the bits transferred each second:

According to those measurements, what is the bandwidth of the connection?

• 900 bits/s

• 800 bits/s

• 700 bits/s

• 1100 bits/s

Multiple Choice

If your transmission media can send 10Mb/s of data, but your device is allocated 5Mb/s of bandwidth, your device can only send ___ of data to the server.

• 5Mb/s

• 10Mb/s

• 8Mb/s

• 2Mb/s

Multiple Choice

What happens to the bandwidth allocated to each device on a larger network?

• It increases for each device

• It remains the same for all devices

• It decreases for each device

• It is not affected by the number of devices

Multiple Choice

What activities require large amounts of bandwidth according to the text?

• Streaming ultra-high-definition videos

• Sending emails

• Browsing websites

• Downloading files

Multiple Choice

What is the total bandwidth available in the home Wi-Fi network shown in the image?

• 11 Mb/s

• 33 Mb/s

• 22 Mb/s

• 44 Mb/s

Multiple Choice

Laptop A starts streaming 4K content that requires 25 Mb/s of bandwidth. What will happen?

• The streaming will stop due to insufficient bandwidth.

• The streaming will continue without any issues.

• The amount of bandwidth allocated to the device will be adjusted.

• The network will crash due to overload.

Multiple Choice

Bandwidth optimization is transmit only necessary data to the cloud

• True

• False

Multiple Choice

What is the default share value for network bandwidth in a corporate network?

• 25%

• 50%

• 75%

• 100%

Multiple Choice

A local router is configured to limit the bandwidth of guest users connecting to the Internet. Which of the following best explains the result of this configuration as compared to a configuration in which the router does not limit the bandwidth?

Responses

• The amount of time it takes guest users to send and receive large files is likely to decrease.

• 
  The number of packets required for guest users to send and receive data is likely to decrease.

• 
  Guest users will be prevented from having fault-tolerant routing on the Internet.

• 
  Guest users will be restricted in the maximum amount of data that they can send and receive per second.

Multiple Choice

Each device on the network requires bandwidth to communicate. The network bandwidth is shared between each connected device. If there are 3 devices connected, how much bandwidth will each device receive if the total bandwidth is 30 Mb/s?

• 10 Mb/s

• 15 Mb/s

• 20 Mb/s

• 30 Mb/s

Multiple Choice

What is Network Latency?

• The speed of data transfer

• The delay between sending and receiving data

• The number of devices connected to a network

• The type of network connection

Open Ended

Why is having a low network latency (or 'ping') in online video games beneficial?

Multiple Choice

What's a potential advantage of throttling a web page?

• priority can be given to certain applications, like video streaming

• big businesses can stifle their competition

• internet service providers can prioritize their own companies over others

• the largest companies can continue to grow while small companies struggle to compete

Multiple Choice

An engineer is troubleshooting poor performance on the network that occurs during work hours. Which of the following should the engineer do to
improve performance?

• Replace the patch cables.
  

• Create link aggregation.
  

• Create separation rules on the rewall

• Create subinterfaces on the existing port

Multiple Choice

A network engineer is monitoring a fiber uplink to a remote office and notes the uplink has been operating at 100% capacity for a long duration. Which of the following performance metrics is MOST likely to be impacted with sustained link saturation?

• Latency

• Jitter

• Speed

• Bandwidth

Multiple Choice

What is 'latency'?

• Stores files and supplies the files to workstations on request of the user.

• The elapsed time it takes for a packet of data to arrive and leave its destination.

• The elapsed time it takes for a packet of data to arrive at its destination.

• Allows wireless devices to connect to a wired network.

Multiple Choice

What happens when devices communicate with each other at the same time?

• Their signals collide and transmission fails

• They transmit data successfully

• They create a stronger signal

• They connect to a different network

Multiple Choice

What happens when both devices attempt to transmit data at the same time?

• Data is transmitted successfully

• A collision occurs

• Data is lost permanently

• Transmission is delayed

Multiple Choice

What happens to the probability of transmission errors as the size of the network increases?

• It decreases

• It remains the same

• It increases

• It fluctuates

Multiple Choice

Which layer provides the functional and procedural means to transfer data between network entities and may provide the means to correct errors?

• Application Layer
• Data Link Layer
• Transport Layer
• Physical Layer

Multiple Choice

Data travels across networks in

• Nibbles

• Parts

• Bytes

• Packets

Multiple Choice

Which of these statements about network performance is true or false? Bandwidth is a measure of how much data travels in a network. The more devices connected to a network, the larger the total bandwidth in the network. Transmission errors occur when devices attempt to communicate with each other at the same time.

• True

• False

• Both statements are true

• Both statements are false

Multiple Choice

What are the different types of devices shown in the image?

• Server Mainframe

• Laptop

• Router

• Tablet