Networking - Chapter 5: Ethernet

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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? A. Rollover B. Straight-through C. Loopback D. Crossover

B. Straight-through

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.) A. 1000BaseLX B. 1000BaseCX C. 1000BaseSX D. Single-mode fiber E. Mutimode fiber

A. 1000BaseLX D. Single-mode fiber

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? A. Device A will be able to communicate with all other devices. B. Device A will be able to communicate with any device except for Device B. C. Device A will not be able to communicate with any other device. D. No devices will be able to communicate with any other device.

A. Device A will be able to communicate with all other devices.

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? A. Faulty network card B. Incorrect duplex settings C. Adapter controller card failure D. Faulty switch

A. Faulty network card

Which of the following standards does a rollover cable typically use? A. RS232 B. RG58 C. RJ11 D. RG6

A. 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? A. Replace the network card in the user's computer. B. Replace the network card in the sales server. C. Replace the Ethernet switch in the sales department. D. Reinstall the network card drivers on the sales server.

A. Replace the network card in the user's computer.

Which Gigabit Ethernet standard can support long network segments up to a maximum of 5 km when used with single-mode fiber optic cable? A. 1000BaseCX B. 1000BaseLX C. 1000BaseT D. 1000BaseSX

B. 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.) A. 10Base-FL B. 10GBase-SR C. 10GBase-T D. 1000Base-T E. 1000Base-SX

B. 10GBase-SR E. 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? A. 100 meters B. 412 meters C. 550 meters D. 1,000 meters

B. 412 meters

Which of the following is true about half-duplex mode? A. The device can send and receive at the same time. B. Collision detection is turned on. C. Collision detection is turned off. D. It requires switches with dedicated switch ports.

B. Collision detection is turned on.

You need to connect two switches using their uplink ports. The switches do not support auto-MDI. Which type of cable should you use? A. Loopback B. Crossover C. Rollover D. Straight-through

B. 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? A. Straight-through B. Crossover C. Loopback D. Rollover

B. 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? A. Straight-through B. Crossover C. Rollover D. Loopback

B. Crossover

Which type of cabling do Ethernet 100BaseFX networks use? A. Shielded twisted pair B. Fiber optic C. Unshielded twisted pair D. Coaxial

B. Fiber optic

Which of the following connections would you use a straight-through cable for? A. Workstation to workstation B. Router to a regular port on a switch C. Hub to hub D. Hub to hub

B. Router to a regular port on a switch

Which of the following physical topologies are used with Ethernet networks? (Select two.) A. Mesh B. Star C. Bus D. Token E. Ring

B. Star C. Bus

You want to create a loopback plug using a single RJ45 connector. How should you connect the wires in the connector? A. Connect pin 1 to pin 8 and pin 2 to pin 7. B. Connect pin 1 to pin 2 and pin 3 to pin 3. C. Connect pin 1 to pin 3 and pin 2 to pin 6. D. Connect pin 1 to pin 5 and pin 2 to pin 6.

C. 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? A. Connect pin 1 to pin 3 and pin 2 to pin 6. B. Use the T568A standard on one end and the T568B standard on the other end. C. Connect pin 1 to pin 8, pin 2 to pin 7, pin 3 to pin 6, and pin 4 to pin 5. D. Connect each pin on one end to the same pin on the other end (pin 1 to pin 1, pin 2 to pin 2, etc.).

C. Connect pin 1 to pin 8, pin 2 to pin 7, pin 3 to pin 6, and pin 4 to pin 5.

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? A. Devices on one side of the break will be able to communicate with each other, while devices on the other side will not be able to communicate. B. Only devices on one side of the break will be able to communicate with each other, while only devices on the other side of the break will be able to communicate with each other. C. No devices will be able to communicate. D. All devices will be able to communicate. E. All devices except the device connected with the drop cable will be able to communicate.

C. No devices will be able to communicate.

Which of the following connectors is typically used for the ends of a rollover cable? A. F-type B. RJ11 C. RJ45 D. BNC E. Serial

C. RJ45 E. Serial

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.) A. Multimode fiber B. 10GBaseER standards C. Single-mode fiber D. 10GBaseLR standards E. 10GBaseSR standards

C. Single-mode fiber D. 10GBaseLR standards

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? A. Incorrect routing table B. Faulty IP stack C. Failed switch D. Failed patch cable E. Incorrect LAN protocol

D. Failed patch cable

Your network follows the 100Base-TX specifications for Fast Ethernet. What is the maximum cable segment length allowed? A. 2,000 meters B. 500 meters C. 1,000 meters D. 100 meters

D. 100 meters

Which Gigabit Ethernet standard uses multimode fiber optic cabling and supports network segments up to a maximum of 550 meters long? A. 1000Base-T B. 1000Base-CX C. 1000Base-ZX D. 1000Base-SX

D. 1000Base-SX

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? A. Server software configuration error B. Failed network card C. Failed switch D. Failed patch cable between the client system and the wall jack E. Faulty termination F. Incorrect duplex settings

D. Failed patch cable between the client system and the wall jack

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? A. Straight-through B. RG6 C. Crossover D. Rollover

D. Rollover

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? A. Bridge B. Hub C. Router D. Switch

D. Switch

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? A. No devices will be able to communicate. B. All devices will be able to communicate. C. Only devices on one side of the missing cable will be able to communicate with each other, while only devices on the other side of the missing cable will be able to communicate with each other. D. Devices on one side of the missing cable will be able to communicate with each other, while devices on the other side of the missing cable will not be able to communicate. E. All devices except the device connected with the drop cable will be able to communicate.

E. 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? A. All network nodes connected to the switch will be unavailable. B. All network nodes authenticated by the same server as the printer will be unavailable. C. All network nodes, including the printer, will be available. D. All network nodes on the same subnet as the printer will be unavailable. E. All network nodes except the printer will be available.

E. 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? A. A managed switch and CAT 6 cabling. B. A new cable modem with a built-in switch and CAT 6a cabling. C. A hub and CAT 5e cabling. D. A wireless AP and three new wireless NICs. E. An unmanaged switch and CAT 5e cabling.

E. An unmanaged switch and CAT 5e cabling.


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