Chapter 5 - Quiz Review
Which of the following is true about half-duplex mode?
Collision detection is turned on.
Your network follows the 100Base-TX specifications for Fast Ethernet. What is the maximum cable segment length allowed?
100 Meters
Which of the following physical topologies are used with Ethernet networks? (Select two.)
Bus Star
Which of the following connectors is typically used for the ends of a rollover cable?
RJ45 Serial
You want to implement an Ethernet network at very long distances using fiber optic cables. Which standard and cable type would you choose? (Select two.)
Single-Mode Fiber 1000BaseLX
Which Gigabit Ethernet standard uses multimode fiber optic cabling and supports network segments up to a maximum of 550 meters long?
1000Base-SX
Which Gigabit Ethernet standard can support long network segments up to a maximum of 5 km when used with single-mode fiber optic cable?
1000BaseLX
You have been tasked with designing an Ethernet network. Your client needs to implement a very high-speed network backbone between campus buildings, some of which are around 300 meters apart. Multimode fiber optic cabling has already been installed between buildings. Your client has asked that you use the existing cabling. Which Ethernet standard meets these guidelines? (Choose two.)
10GBase-SR 1000Base-SX
Your network follows the 100Base-FX specifications for Fast Ethernet and uses half-duplex multimode cable. What is the maximum cable segment length allowed?
412
You have a network that's connected using a physical star topology. One of the drop cables connecting a workstation has been removed. Which of the following BEST describes the effect that this will have on network communications?
All devices except the device connected with the drop cable will be able to communicate.
During a network infrastructure upgrade, you replaced two 10 Mbps hubs with switches and upgraded from a Category 3 UTP cable to a Category 5e. During the process, you accidentally cut the Cat 5e patch cable that stretches from the network printer to the upgraded switch. What is the impact on your network?
All network nodes except the printer will be available.
You are implementing a SOHO network for a local business. The ISP has already installed and connected a cable modem for the business. The business has four computers that need to communicate with each other and the internet. The ISP's cable modem has only one RJ45 port. You need to set up the network within the following parameters: You must spend as little money as possible. You must not purchase unnecessary equipment. Computers need to have a gigabit connection to the network. New devices should not require management or configuration. You examine each computer and notice that only one of the four computers has a wireless NIC. They all have Ethernet NICs. What should you purchase?
An unmanaged switch and CAT 5e cabling.
Select and install a new network card that provides the fastest Ethernet available from the cards you currently have in the office. Connect the workstation to the local network using the existing cable. After the fix has been implemented, confirm that the workstation has a connection to the local network and the internet.
Complete this lab as follows: Add the 1000Base TX adapter to the Office 2 computer.Above the computer, select Motherboard to switch to the motherboard view of the computer.Under Shelf, expand Network Adapters.Identify the network adapter that has the fastest Ethernet speed.Under Shelf, drag the Network adapter, Ethernet 1000BaseTX, PCIe network adapter to a free PCIe slot on the computer. Connect the computer to the network.Above the computer, select Back to switch to the back view of the computer.Drag the RJ45 Shielded Connector from the motherboard's NIC to the port of the 1000BaseTX network adapter. Verify the connection to the local network and the internet.Above the computer, select Front to switch to the front view of the computer.Select the power button on the computer case.Wait for the operating system to start.Right-click Start and then select Settings.Select Network & Internet.The diagram should indicate an active connection to the home network and the internet.
You are a network technician for a small corporate network. Minutes ago, your entire building had a power blackout. The power has been partially restored, but there are still offices and networking closets without power. Employees in the Executive Office and the Support Office have called to report that they can't access the internet or other computers on the network. You need to diagnose and fix the problem as it pertains to the network. The following IP addresses are used in this lab: LocationComputer NameIP AddressNetworking ClosetCorpServer192.168.0.10Office 1Office1192.168.0.30Office 2Office2192.168.0.31Support OfficeSupport192.168.0.32IT AdministrationITAdmin192.168.0.33Executive OfficeExec192.168.0.34LobbyGst-Lap192.168.0.35 In this lab, your task is to: Use the following troubleshooting tools to diagnose the problem on the network:The ping command utility, to ping the IP addressesThe network activity lights for all networking devicesThe Network and Internet Status page found in the Windows 10 or Windows Server 2019 Settings app Fix the problem and, as necessary, use the known good spares on the Shelf. Use the troubleshooting tools to confirm the problem resolution.
Complete this lab as follows: From Exec, use the ping command to begin troubleshooting the connectivity problem.Under Executive Office, select Exec.Right-click Start and then select Windows PowerShell (Admin).From the PowerShell prompt, type ping workstation IP address and then press Enter.Repeat step 1c for the remaining workstations.Notice that all the pings fail except to itself (192.168.0.34). From Support, repeat the same troubleshooting steps used in the Executive Office to further discover the scope of the problem.From the top left, select Floor 1 Overview.Under Support Office, select Support.From the Favorites bar, select Terminal.From the terminal prompt, type ping workstation IP address and then press Enter.If needed, press Ctrl + C to stop the pinging process.Notice that all the pings fail except the ping to itself (192.168.0.32).With matching results from both computers, the problem is most likely shared with the other workstations.Because the scope of the problem includes two offices, you should look for common errors or solutions that you can test quickly. From Exec, check for a connection to the network.From the top left, select Floor 1 Overview.Under Executive Office, select Exec.Right-click Start and select Settings.Select Network & Internet.Notice that the diagram on the Status pane shows the network connection is not connected to a network.Close the Settings dialog. Check for a network connection by viewing the computer's NIC port.From the top left, select Executive Office to view the hardware in this office.Above the Exec workstation, select Back to see the back of the computer tower.Notice that the link and status lights on the NIC port are not blinking, indicating no connection to the network. This can be due to:A bad NICA faulty cable (easy to test)An unplugged cable (easy to test)A turned off or faulty switch or hub port Replace the network cable from Exec and the wall.Select the cable plugged into Exec and drag it to the shelf.Drag the RJ45 cable from the wall plate to the shelf.Under Shelf, select Cat6a Cable, RJ45.From the Selected Component pane:Drag an RJ45 Connector to the network wall plate.Drag the unconnected RJ45 Connector to the NIC on the back of the Exec computer.Notice the link and status lights for the connection are still not green and active. This means that the cable may not have been bad. It's time to check for issues in the Networking Closet. From the Networking Closet, check the switch to ensure that it's powered on.From the top left, select Floor 1 Overview.Under Networking Closet, select Hardware.Notice that the system light for the switch indicates that it is powered off. In addition, since the workstations in the Support Office and the Executive Office could not successfully ping the network, you can conclude that the device is turned off. Check to see if the switch has power.Above the rack, select Back to switch to the back view of the rack.Select the switch's power cable and verify that it is plugged into the UPS.Notice that the switch is plugged into the UPS, but it is not plugged into the critical load section. This means that if the main power goes off, the switch loses power as well.Move the switch's power cable from the non-critical load (Bank 2) outlet to the empty critical load (Bank 1) outlet.Notice that the Ethernet cables plugged into the server have link status lights that indicate they have power and a connection.Above the rack, select Front to switch to the front view of the rack.Observe the power light and activity lights for all ports on the switch.The lights are all on and active (except for the wireless access point, as it is still connected to the non-critical load (Bank 2) on the UPS). From the Executive Office, check for a network connection.From the top left, select Floor 1 Overview.Under Executive Office, select Hardware.Check for an active light on the computer's network card.The light is blinking, indicating a network connection.On the Exec monitor, select Click to view Windows 10.Right-click Start and select Settings.Select Network & Internet.The diagram in Status page shows a connection to the network and internet.(Optional) Ping each workstation on the network using their IP address.Each ping attempt now succeeds.
In this lab, your task is to: Use the following troubleshooting tools to diagnose the problem on the network:The ping command utilityThe ipconfig command utilityThe network activity lights for all networking devices Fix the problem and, as necessary, use known good spares on the Shelf if needed. Use the troubleshooting tools to confirm the problem's resolution.
Complete this lab as follows: From the IT Administration office, ping each workstation on the network.Under IT Administration, select ITAdmin.Right-click Start and select Windows PowerShell (Admin).From the PowerShell prompt, type ping [workstation's IP] and then press Enter.Notice that all the pings are successful except the one to Office2. This verifies that there is connectivity between all other workstations on the network except Office2. This indicates that the scope of the problem is probably limited to Office2. Because the scope of the problem is currently limited to Office2, you should look for common errors or solutions that you can test quickly. Confirm that the network cable is connected to the NIC and the wall plate.From the top left, select Floor 1 Overview.Under Office 2, select Hardware to view the hardware in Office 2.Above the computer, select Back to view the back of the computer.Notice that an Ethernet cable is plugged into the network card in the computer.Select the Ethernet RJ45 shielded cable that is plugged into the computer.Scroll to the right and view the Ethernet wall plate.Notice that the cable in the computer is plugged into the Ethernet port on the wall plate.Scroll back to the computer and check for activity lights for the network port.Notice that no lights are blinking. This indicates that there is no connection to the network. From Office2, replace the cable between the workstation and the wall plate.Drag the Ethernet cable from the back of the computer and place it on the workspace.Drag the Ethernet cable from the wall plate and place it on the workspace.Under Shelf, expand Cables.Select Cat6a Cable, RJ45.From the Selected Component pane:Drag an RJ45 Shielded Connector to the Ethernet port on the computer.Drag the unconnected RJ45 Shielded Connector to the Ethernet port on the wall plate.The lights for the network card are still not active. You could replace the NIC in Office2, but replacing cables is quicker. From the Networking Closet, check the switch to ensure that it is powered on.From the top left, select Floor 1 Overview.Under Networking Closet, select Hardware.Notice that the power light for the Cisco switch indicates that it is powered on. Also, since the workstation in the IT Administration office can communicate through the switch, you know that the device is not turned off and is functioning properly. From the Networking Closet, observe the activity lights for all ports and check for cable connections.Zoom in on the switch ports.Notice that there are activity lights for other ports, yet there is a lack of activity for port 4.Possible causes include:The cable between Office 2's patch panel port and the switch is bad or disconnected.Port 4 on the switch is disabled or shut down.Select the cable plugged into Off 2.Notice that the other end of the cable (which is highlighted) is plugged into port 4. From the Networking Closet, replace the patch panel cable.Drag the Ethernet cable from Off 2 and place it on the workspace.Drag the Ethernet cable from port 4 and place it on the workspace.Under Shelf, expand Cables.Select Cat6a Cable, RJ45.From the Selected Component pane:Drag an RJ45 Shielded Connector to Off 2.Drag the unconnected RJ45 Shielded Connector to port 4.The activity light for port 4 still does not indicate network activity.Making a console connection to the switch to confirm that port 4 is enabled is a viable approach to this problem, but the lab does not provide a console application to confirm the switch's port settings. From Office 2, add a known good spare NIC to the Office2 computer and connect the Ethernet cable to the new card.From the top left, select Floor 1 Overview.Under Office 2, select Hardware.Above the computer, select Front.Select the power button to turn the computer off.Above the computer, select Motherboard to open the case.Under Shelf, expand Network Adapters.Drag Network adapter, Ethernet 1000BaseTX, PCIe to the PCIe slot on the motherboard.Above the computer, select Back to replace the case.Drag the Ethernet cable from its existing NIC to the new NIC just added. Power on the Office2 computer and test connectivity to the network.Above the computer, select Front.Select the power button to turn the computer on.Right-click Start and then select Windows PowerShell (Admin).At the PowerShell prompt, type ipconfig.Notice that Office2 received a new/different IP address from the DHCP server because the new NIC makes it look like a different computer.From the PowerShell prompt, type ping [workstation's IP] and then press Enter.Repeat step 8e for each remaining computer.All pings are now successful.
You are a network technician for a small corporate network. An employee in Office 1 says that after she added a pair of speakers to her workstation, she could no longer communicate with the computer in the Networking Closet. You need to diagnose and fix the problem. The following IP addresses are used in this lab: LocationComputer NameIP AddressNetworking ClosetCorpServer192.168.0.10Office 2Office2192.168.0.31IT AdministrationITAdmin192.168.0.33 In this lab, your task is to: Use the following troubleshooting tools to diagnose the problem in the network:The ping command utilityThe network activity lights for all networking devicesThe Network and Internet Status page found in the Windows 10 or Windows Server 2019 Settings app Fix the problem and, as necessary, use the known good spares on the Shelf. Use the troubleshooting tools to confirm the problem resolution.
Complete this lab as follows: From the Office 1 computer, use the ping command to begin troubleshooting the connectivity problem.Under Office 1, select Office1.Right-click Start and then select Windows PowerShell (Admin).From the PowerShell prompt, ping the following computers:CorpServer: Type ping 192.168.0.10 and then press Enter.Office2: Type ping 192.168.0.31 and then press Enter.ITAdmin: Type ping 192.168.0.33 and then press Enter.Notice that all the pings fail. Check for a connection to the internet using the Settings app.Right-click Start and then select Settings.Select Network & Internet.Notice that the diagram on the Status pane shows that the computer is not connected to a network.Close the Settings dialog. Check for a network connection by viewing the NIC port of the Office1 computer.From the top left, select Office 1 to view the hardware in this office.Above the Office1 workstation, select Back to see the back of the computer.Notice that there is no Ethernet cable attached to the computer. However, there is an Ethernet cable plugged into the wall plate. The cable could have been accidently disconnected from the computer when the user added the speakers. Connect the network cable from the wall outlet to Office1.Select the Ethernet cable plugged into the wall plate.From the Selected Component pane, drag the unconnected RJ45 Shielded Connector to the NIC on the back of the Office1 computer.Notice that the status and link lights on the NIC are green and active. Check for network connectivity from Office1.On the Office1 monitor, select Click to view Windows 10.Right-click Start and select Settings.Select Network & Internet.The diagram in Status page shows a connection to the network and internet.(Optional) Ping each workstation on the network.Each ping attempt now succeeds.
You are a network technician for a small corporate network. The employee in Office 1 says that they can't communicate with the computer in Office 2 and has asked that you come to their office to fix the problem. In this lab, the following IP addresses are used: LocationComputer NameIP AddressNetworking ClosetCorpServer192.168.0.10Office 1Office1192.168.0.30Office 2Office2192.168.0.31IT AdministrationITAdmin192.168.0.33Executive OfficeExec192.168.0.34 In this lab, your task is to: Use the following troubleshooting tools to diagnose the problem in the network:The ping command utilityThe network activity lights for all networking devicesThe Network and Internet Status page found in the Windows 10 or Windows Server 2019 Settings app Fix the problem and, as necessary, use the known good spares on the Shelf. Use the troubleshooting tools to confirm that the problem was resolved.
Complete this lab as follows: From the Office1 computer, use the ping command to begin troubleshooting the connectivity problem.Under Office 1, select Office1.Right-click Start and then select Windows PowerShell (Admin).From the PowerShell prompt, type ping workstation and then press Enter.Repeat step 1c for the remaining workstations.Notice that all the pings are successful except the ping to Office2 (192.168.0.31). From the Office2 computer, use the ping command to further troubleshoot the connectivity problem.From the top left, select Floor 1 Overview.Under Office 2, select Office2.Right-click Start and then select Windows PowerShell (Admin).From the PowerShell prompt, type ping workstation and then press Enter.Repeat step 2d for the remaining workstations.Notice that all the pings fail except to itself (192.168.0.31). From Office2, check for a connection to the internet.Right-click Start, and select Settings.Select Network & Internet.Notice the diagram on the Status pane shows no connection to a network.Close the Settings dialog. Check for a network connection by viewing the NIC port of the Office2 computer.From the top left, select Office 2 to view the hardware in this office.Above the Office2 workstation, select Back to see the back of the computer tower.The link and status lights on the NIC port are not blinking, indicating no connection to the network. This can be due to:A bad NICA faulty cable (easy to test)An unplugged cable (easy to test)A turned-off or faulty switch or hub portConfirm that the network cable is connected to the NIC and the wall plate by selecting the cable plugged into the NIC.Notice that both ends of the cable are connected correctly. This means that the Ethernet cable could be faulty. Replace the network cable from Office2 and the wall.Select the network cable plugged into Office2 and drag it to the shelf.Drag the RJ45 cable from the wall plug to the shelf.Under Shelf, select Cat5e Cable, RJ45.From the Selected Component pane:Drag an RJ45 Connector to the network wall plug.Drag the unconnected RJ45 Connector to the NIC on the back of the Office2 computer.Notice the link and status lights for the connection are not green and active. This means that the cable may not have been bad. It's time to check for issues in the Networking Closet. From the Networking Closet, check the switch to ensure that it's powered on.From the top left, select Floor 1 Overview.Under Networking Closet, select Hardware.Notice that the system light for the switch indicates that it is powered on.Observe the activity lights for all ports on the switch.Notice that there is no activity for Port 4. Possible causes include:The cable between Office 2's patch panel port and the switch is bad or disconnected.Port 4 on the switch is disabled or shutdown. Verify that the network cable is connected to Office2's patch panel port and the switch.Select Port 4 on the switch.Notice that it shows the cable is also plugged into the patch panel. This may mean that this cable is faulty. Replace the patch panel cable for Office2 to the switch.Select the cable plugged into Port 4 and drag it to the workspace.From the patch panel, drag the cable plugged into Off 2 to the workspace.Under Shelf, select Cat5e Cable, RJ45.From the Selected Component pane:Drag an RJ45 Connector to Port 4 on the switch.Drag the unconnected RJ45 Connector to the patch panel port for Off 2 (Office 2).Notice the link and status lights for Port 4 are now green and active. From Office 2, check for a network connection.From the top left, select Floor 1 Overview.Under Office 2, select Hardware.Check for an active link light on the network card of the computer.The light is blinking, indicating a network connection.On the Office2 monitor, select Click to view Windows 10.Right-click Start and select Settings.Select Network & Internet.The diagram in Status page shows a connection to the network and internet.(Optional) Ping each workstation in the network.Each ping attempt now succeeds. From Office 1, use the ping command to verify connectivity to Office 2.From the top left, select Floor 1 Overview.Under Office 1, select Office1.From the PowerShell prompt, type ping Office2 and then press Enter.Notice that the ping to Office 2 succeeds. The problems is resolved.
You're a network technician for a small corporate network. The company recently expanded to the second floor of its building. You've already installed a small networking closet on the second floor, and you've run the necessary cables to the ports on each of the floor's fiber patch panels. Now you need to connect the two networks using fiber optic cables. In this lab, your task is to connect the switch in the Networking Closet on Floor 1 with the switch in Networking Closet 2 on Floor 2 through the fiber patch panels in each networking closet. Use the following information to identify the necessary connections: Connect the appropriate fiber cable to switches through the fiber patch panels. For the patch panel on Floor 1:Port 3 is transmit (Tx).Port 4 is receive (Rx). For the patch panel on Floor 2:Port 1 is transmit (Tx).Port 2 is receive (Rx). Use the color coding on the end of fiber optic cables to identify which end is Tx and which is Rx.Connector A (white or red) is Tx.Connector B (black) is Rx. Plug the switch on Floor 2 into a bank 1 critical load outlet on the UPS. Verify that the connection was made by checking the internet connection on any Floor 2 computer.
Complete this lab as follows: Install the SFP Transceiver (LC) in the networking closet on Floor 1.Under Shelf, expand the Adapters.Drag the SFP Transceiver (LC) to the SFP 2 port on the switch. Connect the fiber cable to switches.Under Shelf, expand Cables.Select Cable, Fiber, SC to LC.From the Selected Component pane:Drag Connector, Fiber, Duplex LC Multi-mode, Male to the SFP LC port (plugged into SFP2) on the switch.Drag the Fiber Optic SC Connector (A) to port 3 on the fiber patch panel.Drag the Fiber Optic SC Connector (B) to port 4 on the fiber patch panel. Access the networking closet on floor 2.From the top left, select Floor1.Under Building A, select Floor 2.Under Networking Closet 2, select Hardware. Connect the fiber cable to switches on Floor 2.Under Shelf, expand Adapters.Drag SFP Transceiver (LC) to an open SFP port on the switch.Under Shelf, expand Cables.Select Cable, Fiber, SC to LC.From the Selected Component pane:Drag the Connector, Fiber, Duplex LC, Multi-mode, Male to the SFP port.Drag the Fiber Optic SC Connector (A) to port 1 on the fiber patch panel.Drag the Fiber Optic SC Connector (B) to port 2 on the fiber patch panel. Plug the switch on Floor 2 into a bank 1 critical load outlet on the UPS.Above the rack, select Back to switch to the back view of the rack.Under Shelf, select AC Power Cable.From the Select Connector pane:Drag AC Power Connector (Female) to the AC port on the back of the switch.Drag the AC Power Connector (Male) to an open bank 1 critical load outlet.Above the rack, select Front to switch to the front view and confirm the network switch has power. Verify that there is an internet connection for any Floor 2 computer.From the top left, select Floor 2.Select any of the computers on Floor 2.Right-click Start and then select Settings.Select Network & Internet.The image shown should indicate a connection to the internet.
In this lab, you explore different methods of troubleshooting network communication problems that may result from such things as bad network cards and cables. While troubleshooting, you will use the ping command, the link and network activity lights on network cards and switches, and the Windows Settings app. Use Exhibits to see the network diagram and wiring schematics of the network as needed. Complete this lab as follows: View the current state of the first six ports on the Cisco switch and its accompany patch panel.Under Networking Closet, select Hardware.Zoom in on the Cisco switch in the rack to view the power and network activity lights.When a component's power light (the left light) is on, you know the device is plugged in and turned on.The network activity light (the right light) tells you which ports are connected to an active device. When this light is blinking, you know that network traffic is being transmitted through the port.From the top right, select Answer Questions.Answer Questions 1-3.Minimize the Lab Questions window. Determine which computers are plugged into ports 1 and 3.From the Cisco switch, select the wire plugged into ports 1 and 3.Look for at the patch panel and find the cables accompanying port.From the top right, select Answer Questions.Answer Question 4.Minimize the Lab Questions window. From the ITAdmin workstation, ping each of the following computers using the IP addresses shown:
Complete this lab as follows: View the current state of the first six ports on the Cisco switch and its accompany patch panel.Under Networking Closet, select Hardware.Zoom in on the Cisco switch in the rack to view the power and network activity lights.When a component's power light (the left light) is on, you know the device is plugged in and turned on.The network activity light (the right light) tells you which ports are connected to an active device. When this light is blinking, you know that network traffic is being transmitted through the port.From the top right, select Answer Questions.Answer Questions 1-3.Minimize the Lab Questions window. Determine which computers are plugged into ports 1 and 3.From the Cisco switch, select the wire plugged into ports 1 and 3.Look for at the patch panel and find the cables accompanying port.From the top right, select Answer Questions.Answer Question 4. Minimize the Lab Questions window. From the ITAdmin workstation, ping each of the following computers using the IP addresses shown:Computer NameIP AddressOffice1192.168.0.30Exec192.168.0.34CorpServer192.168.0.10Building A router192.168.0.5CorpNet router's internal interface198.28.56.1CorpNet router's external interface198.28.56.17ISP163.128.1.1From the top left, select Floor 1 Overview.Under IT Administration, select ITAdmin.Right-click Start and then select Widows PowerShell (Admin).Type ping ip_address and then press Enter.Make a note as to whether the ping was successful or not. Repeat step 3d for each remaining IP addresses. Answer Questions 5-6. Minimize the Lab Questions window. From ITAdmin, check for network connectivity.Look at the Network icon in the notification area.This icon indicates a normal network connection.Select the Network icon.You are now shown the networks to which this computer is connected (CorpNet.local).Right-click Start and then select Settings.Select Network & Internet.Under Status, you see that this computer is connected to the internet.From the left pane, select Ethernet.You are shown the network to which you are connected.Close the Settings app. From the hardware view of ITAdmin, check for network connectivity and activity by viewing the network card's link lights.From the top left, select IT Administration to view the hardware of the computers in this office.Above the ITAdmin workstation (not the monitor), select Back. Notice that: The link light for the network card is illuminated, indicating a physical connection (link) between this workstation and the next device (the network switch). The network activity light is blinking, indicating that network traffic is being transmitted on this connection. These two lights match what you saw when viewing the cables connecting ITAdmin to the Cisco switch and the patch panel. From Exec operating system, check for network connectivity.From the top left, select Floor 1 Overview.Under Executive Office, select Exec.From the Notification area of the taskbar, view the Network icon.The Network icon in the Notification area indicates that the device is not connected.Select the Network icon.No network connections are shown.Right-click Start and then select Settings.Select Network & Internet.Under Status, you see that this computer is not connected to any networks.Close the Settings app. From the hardware view of Exec, check for network connectivity and activity by viewing the network card's link lights.From the top left, select Executive Office to view the hardware for the computers in this office.Above the Exec workstation (not the laptop), select Back.Zoom in on the Ethernet cable and examine its link lights.The link and network activity lights for the Ethernet port with a cable plugged in are not illuminated. This indicates there is no connection to the switch.Possible causes for no connectivity include:A faulty or disconnected cableA bad network card (NIC)A faulty or disabled switch port From Exec, test the possibility of a bad NIC by dragging the network cable from the existing network card to the onboard port.Drag the Ethernet cable from its existing location to the Ethernet onboard port.Answer Question 7. From Exec operating system, check for network connectivity.On the Exec monitor, select Click to view Windows 10.Use the ping command to try to access the following computers:Right-click Start and then select Widows PowerShell (Admin).Type ping 192.168.0.10 (The CorpServer) and press Enter.Type ping 163.128.1.1 (The ISP) and press Enter.Both pings are successful.Look at the Network icon in the Notification area.The icon indicates a normal network connection.Right-click Start and then select Settings.Select Network & Internet.Under Status, you see that this computer is now connected to the internet.Close the Settings app. In the Networking Closet, check the link light status for Exec.From the top left, select Floor 1 Overview.Under Networking Closet, select Hardware.Zoom in on the Cisco switch.The network activity lights on the switch (port 1) are blinking indicating that the Exec computer has a connection and network activity. From the Hardware view of Office1, check for network connectivity.From the top left, select Floor 1 Overview.Under Office 1, select Hardware.Above the workstation, select Back.The link and network activity lights are not illuminated, indicating that there is no connection to the switch.Possible causes for no connectivity include:A faulty or disconnected cableA bad network card (NIC)A faulty or disabled switch port Test the network cable for Office1.Unplug the existing Ethernet cable from the wall plate and from the back of the computer.From the Shelf, expand Cables.Select the Cat6e Cable (a known good cable).From the Selected Component pane:Drag one RJ45 Connector to the Ethernet port (red) in the wall plate.Drag the other RJ45 Connector to the Ethernet port in the computer.The link and network activity lights on the NIC still don't show an active connection. Therefore, the cable in the office wasn't the problem. From the wiring closet, test the network patch cable for Office1.From the top left, select Floor 1 Overview.Under Networking Closet, select Hardware.Remove the existing patch cable from Off 1 (Office 1) and from port 3.From the Shelf, select the Cat6e Cable.From the Selected Component pane:Drag one RJ45 Connector to the Off 1 port on the patch panel.Drag the other RJ45 Connector to the port 3 on the Cisco switch.The link and network activity lights for port 3 indicates an active connection. The patch cable in the Network Closet was the problem. From Office1, test the network connection to the following devices.From the top left, select Floor 1 Overview.Under Office 1, select Office1.Right-click Start and then select Windows PowerShell (Admin).Ping the following devices: Office1: 192.168.0.30 Exec: 192.168.0.34 ISP: 163.128.1.1You are now able to ping all devices verifying local and internet connectivity. (Optional)Look at the Network icon in the notification area.The icon indicates a normal network connection.Right-click Start and then select Settings.Select Network & Internet.Under Status, you see that this computer is now connected to the internet.Close the Settings app. Score the lab.From the top right, select Answer Questions.Select Score Lab. Q1Which of the following ports on the Cisco switch are plugged in and turned on? Your answer: Correct answer:Port 4, Port 5, Port 6 Q3Which of the following ports on the Cisco switch are plugged in but show no signs of power or network activity?Your answer:Correct answer:Port 1, Port 3 Q4Which computers are attached to ports 1 and 3, respectively? Your answer: Correct answer:Exec and Office1 Q5Which computer(s) could not be reached using the ping command? Your answer: Correct answer:Office1, Exec Q6What do the results of the last ping test tell you about the network? Your answer: Correct answer:All the systems successfully pinged are functioning., Two workstations do not have access to the network. Q7After moving the Ethernet cable, what can you conclude from the state of the link lights? Your answer: Correct answer:The network card was bad.
You want to create a loopback plug using a single RJ45 connector. How should you connect the wires in the connector?
Connect pin 1 to pin 3 and pin 2 to pin 6.
You want to create a rollover cable that has an RJ45 connector on both ends. How should you connect the wires within the connectors?
Connect pin 1 to pin 8, pin 2 to pin 7, pin 3 to pin 6, and pin 4 to pin 5.
Which type of cabling do Ethernet 100BaseFX networks use?
Fiber Optic
You need to connect two switches using their uplink ports. The switches do not support auto-MDI. Which type of cable should you use?
Crossover
You need to transfer data from one laptop to another, and you would like to use an Ethernet cable. You do not have a hub or a switch. Which type of cable should you use?
Crossover
You want to connect the LAN port on a router to the uplink port on a switch. The switch does not support auto-MDI. Which type of cable should you use?
Crossover
You have a network that's connected using a full physical mesh topology. The link between Device A and Device B is broken. Which of the following BEST describes the effect that this will have on network communications?
Device A will be able to communicate with all other devices.
You have just connected four new computer systems to an Ethernet switch using spare patch cables. After the installation, only three systems are able to access the network. You verify all client network settings and replace the network card in the failed system. The client is still unable to access the network. Which of the following might you suspect is the real cause of the problem?
Failed patch cable
You are moving a client to a new location within an Ethernet network. Previous to the move, the client system did not have difficulty accessing the network. During the relocation, you attach patch cables from the client system to the wall jack and from the patch panel to the switch. Once connected, you do not get a link light on the network card or the switch. You swap out the cable running between the patch panel and the switch with a known good one, but you still cannot connect. Which of the following might you suspect is the problem?
Failed patch cable between the client system and the wall jack
Upon conducting a visual inspection of the server room, you see that a switch displays LED collision lights that are continually lit. You check the LED on the corresponding workstation and see that it is flashing rapidly even though it is not sending or receiving network traffic at that time. What is the cause of the network collisions?
Faulty network card
You have a network that's connected using a physical bus topology. One of the cables that connects a workstation to the bus breaks. Which of the following BEST describes the effect that this will have on network communications?
No devices will be able to communicate.
Which of the following standards does a rollover cable typically use?
RS232
A user from the sales department calls to report that he is experiencing problems connecting to the sales file server. All users in the sales department connect to this server through a single Ethernet switch. No other users have reported problems connecting to the sales server. Which of the following troubleshooting actions are you MOST likely to perform first?
Replace the network card in the user's computer.
You have purchased a new router that you need to configure. You need to connect a workstation to the router's console port to complete the configuration tasks. Which type of cable would you most likely use?
Rollover
Which of the following connections would you use a straight-through cable for?
Router to a regular port on a switch
You would like to implement 10 Gbps Ethernet over a distance of 1 kilometer or greater. Which of the following would be the minimum requirement for this implementation? (Select two.)
Single-mode fiber 10GBaseLR standards
You need to connect a workstation to a switch using a regular port on the switch (not an uplink port). The switch does not support auto-MDI. Which type of cable should you use?
Straight-through
Angela is the network administrator for a rapidly growing company with a 100BaseT network. Users have recently complained about slow file transfers. While checking network traffic, Angela discovers a high number of collisions. Which connectivity device would BEST reduce the number of collisions and allow future growth?
Switch