Chapter 1 - Networking Devices, Technologies and Models

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Your manager asks you which service is responsible for translating the source IP address of a packet to the IP address of the public interface on the router.

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You are troubleshooting a communication problem. You seem to be able to communicate with Glen’s website by IP address, but not by the fully qualified domain name (www.gleneclarke.com). What is most likely the problem?

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Which network service can be configured on your router that is responsible for assigning IP addresses to systems on the network?

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What service on the network is responsible for converting the FQDN to an IP address?

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What service on the network is responsible for verifying username and passwords when the user attempts to log on?

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You are monitoring network traffic and you notice a number of DHCP discover messages on the network. Which of the following is the destination address of the DHCP discover message?

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When a client system boots up and requests an IP address, it first must send out which message?

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What device is responsible for regenerating the signal so that the signal can travel a greater distance?

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Which device filters traffic by looking at the destination address of the frame and then forwards the frame to the port that the destination system resides on?

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Which of the following is a layer-3 device?

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A device that can send and receive information, but not at the same time, is said to be _________________.

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A message that is sent out on the network and is destined for all systems is known as a __________________ message.

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A message that is sent out on the network and is destined for a group of systems is known as a ______________ message.

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A group of systems that can receive one another’s broadcast messages is known as a __________________.

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You are monitoring network traffic and notice that there is a large number of broadcast messages sent across the wire. You would like to separate your network into multiple broadcast domains. How can you do this? (Select two.)

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A group of systems that can have their data collide with one another is known as a ____________________.

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How many broadcast domains and collision domains are there in the diagram below?

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Sue is having trouble understanding some network concepts and asks you to help identify address types. Which of the following is considered a layer-2 address?

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You are troubleshooting communication to a network by looking at the link light on the switch. What layer of the OSI model are you troubleshooting when looking at a link light?

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What layer of the OSI model is responsible for breaking the data into smaller segments?

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Which of the following is considered a layer-3 address?

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What layer of the OSI model is responsible for routing and logical addressing?

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Which of the following are considered layer-2 devices? (Choose two.)

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Which of the following are considered layer-1 devices? (Choose two.)

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What is the application layer protocol for delivering e-mail across the Internet?

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Which layer of the OSI model works with packets?

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What is the application layer protocol for receiving e-mail over the Internet?

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Which Gigabit Ethernet standard uses UTP cabling to reach 1000 Mbps?

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Which 10 Gigabit Ethernet standard uses multimode fiber-optic cabling?

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Which of the following addresses does a router use to determine where a packet needs to be delivered? (Choose two.)

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Which layer of the OSI model works with frames?

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What type of cable would you use if you wanted to connect a system to an RJ-45 port on a switch?

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You wish to network two systems by connecting a computer directly to another computer. Which type of cable would you use?

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You need to create a crossover cable. What wires would you cross on one of the ends?

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See figure below. You are trying to ping computer B from computer A and are unsuccessful. What is the problem?

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You are testing communication to a router and have decided to connect your workstation to the Fast Ethernet port of the router. What type of cable would you use?

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You have a UTP cable that has been configured at both ends with the 568B standard. What type of cable is it?

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You wish to create a crossover cable and have wired one end of the cable with the 568A standard, What standard should you use to wire the opposite end of the cable?