A customer is upgrading the routers and switches in their network. The signal source in these network devices is a light-pulse. Which of the following network cabling options is MOST likely being used in this upgrade?

Fiber opticCopperTwisted pairWireless


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Currently, the users in your company are required to use their IP addresses when connecting to other hosts. Since IP addresses are difficult to remember, you want to implement a protocol on your network that allows computers to automatically find another host"s IP address using a logical name.

Which of the following protocols would be the BEST to implement?

DNSTelnetARPDHCP

A technician determines that an older network hub that connects 24 workstations is performing poorly due to excessive network collisions. Which of the following network devices would be the BEST replacement?

BridgeSwitchRouterPatch panel

Which of the following LAN devices receives a signal on one port and forwards that signal only to the port where the destination device is connected?

RouterFirefox SwitchNetwork adapterHub

Which of the following best describes how a switch functions?

It connects multiple cable segments or devices and forwards frames to the appropriate segment.It connects multiple segments of different architectures. It translates frames and broadcasts them to all of its ports.It connects multiple cable segments or devices and broadcasts frames to all of its ports.It connects multiple segments of different architectures. It translates frames and forwards them to the appropriate segment.

Which of the following hardware devices regenerates a signal out all connected ports without examining the frame or packet contents?

RouterHubBridgeSwitchGateway

How do switches and bridges learn where devices are located on a network?

When a frame enters a port, the source IP address is copied from the frame header.When a frame enters a port, the destination IP address is copied from the frame header.When a frame enters a port, the destination MAC address is copied from the frame header.When a frame enters a port, the source MAC address is copied from the frame header.


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You are the network technician for a small company. One of your responsibilities is to ensure that all new hardware is connected and functioning properly. You have several different types of connections that are used for various types of hardware. One of the types of cable available to you

is an RJ45 cable. Which of the following BEST describes where this cable would most likely be used?

Fax machine connectionTelephone connectionVoice over IP connectionModem connection