Topologies, Cable Types, & Architectures
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| show | A group of systems that are connected to allow the sharing of resources.
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| show | 1. Hardware used to connect the systems together.
2. Software installed on the computers to allow communication.
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| The ______ also known as a client, which is just a basic computer running a client operating system, such Windows 7 or Linux. | show 🗑
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| The term ______ refers to any computer or device that is connected to a network and sends and receives information on that network. | show 🗑
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| show | Wide Area Network (WAN)
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| What type of network is confined to a single building, a home, or college campus? | show 🗑
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| show | Metropolitan Arean Network (MAN)
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| Define a peer-to-peer network. | show 🗑
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| show | -Lack of centralized administration (each system must be configured for user accounts and security)
-Network designed for fewer than 10 systems
-Systems must have Microsoft client operating systems such as Windows XP Professional
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| show | Workgroup
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| show | -Central point to set up permissions and data back ups
- Stores a list of users who may use network resources and holds the resources.
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| show | o File and print servers
o Application servers
o Web servers
o Directory servers
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| True or false? File and print servers were the original reason to have a network. | show 🗑
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| Name some file and print server characteristics. | show 🗑
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| True or False? File and print servers check the access control list (ACL) before allowing a user access. | show 🗑
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| Name some applications you might find on an application server. | show 🗑
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| What type of server runs Hypertext Transfer Protocol(HTTP) and is designed to publish information on the internet or the corporate intranet? | show 🗑
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| show | Yes, a server can be a file and print server as well as an application server.
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| show | file servers, printers,internet connection.
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| show | 1. Hardware used to connect the systems (involves server and workstations also the medium that connects them).
2. Software installed on the computers to allow communication.
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| There are two categories of networks what are they? | show 🗑
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| Name some operating systems that have built-in peer-to-peer networking capabilities? | show 🗑
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| What kind of server holds a list of the user accounts that are allowed to log on to the network? | show 🗑
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| show | Yes, a server can be a file and print server as well as an application server and so forth.
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| show | HTTP, FTP, and SMTP.
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| Explain an intranet. | show 🗑
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| show | Extranet is an extension of the company's intranet for use to selected business partners or customers. It cannot be used by anyone else external to the company except for those selected individuals.
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| What is a network architecture made up of? | show 🗑
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| Describe what a network topology is. | show 🗑
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| Can a network be built using multiple topologies? Name the network topologies. | show 🗑
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| What topology uses one cable as a main trunk to connect all of the systems together? | show 🗑
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| True or False A cable is also called a trunk, a backbone, or a segment? | show 🗑
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| Does a bus topology require additional hardware, such as a hub? | show 🗑
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| What is a terminator used for? | show 🗑
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| A break in the cable with the _______ topology will cause the entire network to fail. | show 🗑
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| show | 1. Uses less cable than a star or mesh topology therefore it is cost effective.
2. Don't need any additional devices such as hubs.
3. Ease of installation. Simply connect the workstation to backbone.
4. If a computer fails the network stays functional.
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| show | 1. Difficulty troubleshooting it.
2. It is not scalable.
3. A break in the cable will cause the entire network to fail.
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| show | Being able to make changes easily within the size and layout of your network.
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| show | 1. Identify the symptoms and potential causes.
2. Identify the affected area.
3. Establish what has changed.
4. Select the most probable cause.
5. Determine if escalation is necessary.
6. Create an action plan & solution, including potential effects.
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| What are the last 3 steps in troubleshooting? | show 🗑
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| show | Star
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| True or False In a star topology, a break in the cable causes only the workstation that is connected to the cable to go down, not the entire network? | show 🗑
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| Which topology is the most popular in today's networking environments? | show 🗑
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| What are some advantages of a Star topology? | show 🗑
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| What are some disadvantages to a Star topology? | show 🗑
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| show | Mesh
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| show | Every workstation is connected to every other workstation or component on the network.
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| Name some advantages of a mesh topology. | show 🗑
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| show | 1. Cost for additional cabling an network interfaces.
2. Hard to manage and administer because of numerous connections.
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| A _____ topology connects all computers in a circle via a cable and there are no terminators. Signals travel in one direction and each computer regenerates the signal so that it may go the distance required. | show 🗑
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| Name an advantage and some disadvantages of a ring topology. | show 🗑
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| What is a hybrid topology? | show 🗑
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| show | Star-ring because it looks like a star but acts as a ring.
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| A _______ topology uses only a few cables and is made up of transmitters that broadcast the packets using radio frequencies. | show 🗑
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| In a wireless network, special transmitters are called what two names? | show 🗑
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| show | Special transmitter-receiver
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| True or False The access point is connected to the physical network by a cable, which allows it, and any wireless clients, to communicate with systems on the wired network? | show 🗑
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| show | Yes, it allows one cell to cover a building and a surrounding area.
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| Why would you NOT use infrared communication in a wireless network? | show 🗑
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| Name some advantages of a Wireless topology besides easy troubleshooting. | show 🗑
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| show | 1. Greater chance of signal interference, blockage, and interception.
2. Noise (also lightning) can cause interference and static.
3. Blockage occurs in structures made of thick stone or metal which do no allow radio frequencies to pass through easily.
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| What are the two popular layouts for topologies? | show 🗑
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| A point-to-point topology is also known as what? | show 🗑
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| show | It uses a central device that connects all the devices.
It is popular with wireless networks. When the central device sends data, it is received by all devices connected to it. If one device sends data then it is only received by the destination system.
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| show | A cable length or multiple cable lengths that are uninterrupted by network connectivity devices, such as bridges and routers.
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| What is a backbone? | show 🗑
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| What is the purpose of a drop cable? | show 🗑
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| show | A satellite linking geographically dispersed LANs making a WAN.
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| show | Cabling
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| show | 1. Coaxial
2. Twisted-pair
3. Fiber-optic cable
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| Transmission rates are measured in what? | show 🗑
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| Name the cable: One strand (a solid-core copper wire) runs down the middle of the cable. Around that strand is a layer of insulation, and covering that insulation is braided wire and metal foil, which shields against electromagnetic interference. | show 🗑
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| What are the two types of coax cabling? | show 🗑
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| show | 10 Mbps
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| Describe thinnet. | show 🗑
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| show | 185 meters.
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| show | It is also known as RG-8. It is half inch thick. It supports data transfers over longer distances. Usually used as a backbone to connect several smaller thinnet-based networks.
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| What is the maximum cable length of thicknet? | show 🗑
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| show | Vampire Tap.
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| show | Attachment unit interface (AUI) port connector.
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| What is crosstalk? | show 🗑
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| show | Twisted pair cabling.
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| show | 1. Unshielded twisted pair (UTP).
2. Shielded twisted pair (STP).
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| show | RG-59 and RG-6
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| show | Short distances
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| show | It is used for longer distances and is a more expensive coax.
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| show | To shield against electromagnetic interference.
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| The maximum distance of UTP is the same of an STP cable, what is it? | show 🗑
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| True or False Coaxial cable is more susceptible to interference than twisted-pair cable? | show 🗑
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| show | Over 1000 Mbps or 1 gigabit per second (Gbps)
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| How many categories of UTP cabling are there? | show 🗑
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| What is the transfer rate of CAT 2? | show 🗑
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| What is the transfer rate of CAT 3? | show 🗑
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| show | 16 Mbps
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| show | 100 Mbps
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| What is the transfer rate of CAT 6? | show 🗑
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| What is the transfer rate of CAT 6a | show 🗑
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| show | CAT 6 the maximum distance allowed is reduced when connected to 10 Gbps networks.
CAT 6a can run at a maximum distance of 100 meters with 10 Gbps Networks due to reduced crosstalk measures built into the cabling.
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| show | Wires 1,2,3, and 6. On the computer side wires 1&2 are TX and 3&6 are RX. On the hub or switch wires 1&2 are RX and 3&6 are TX.
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| show | Connecting two like devices such as two computer systems without the use of a hub, from network card to network card. Connecting a switch to switch or a switch to a hub. Or connecting a router to a router. And connecting a router to a computer.
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| show | By switching wires 1&2 with wires 3&6 on one end of the cable.
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| show | Used to connect to T1 interfaces. Wires 1&2 are RX pins and are switched with wires 4&5 which are TX pins at the opposite end of the cable.
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| There are two popular wiring standards today that use all 8 wires in UTP cable, what are they? | show 🗑
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| Which wiring standard is the most popular for CAT 5 and CAT 5e? | show 🗑
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| show | Wire 1 is white-orange stripe
Wire 2 is orange wire
Wire 3 is white-green stripe
Wire 4 is blue wire
Wire 5 is white-blue stripe
Wire 6 is green wire
Wire 7 is white-brown stripe
Wire 8 is brown wire
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| A rollover cable is also known as a what? | show 🗑
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| show | Used to connect the computer's serial port to the console port of Cisco devices such as a router or a switch.
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| Shielded twisted-pair differs from UTP how? | show 🗑
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| show | Uses optical fibers to carry digital data signals in the form of modulated pulses of light. The core is an extremely thin cylinder of glass surrounded by a concentric layer of glass, known as the cladding.
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| Fiber-optic cable has two fibers per cable, what are they for? | show 🗑
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| show | The core can be made of an optical-quality clear plastic, and the cladding can be made up of gel that reflects signals back into the fiber to reduce signal loss.
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| show | Single-mode fiber (SMF) and multimode fiber (MMF).
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| show | Uses a single ray of light, known as a mode, to carry the transmission over long distances.
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| Explain multimode fiber? | show 🗑
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| What is outside electrical noise? | show 🗑
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| show | It is immune to crosstalk and outside electrical noise because it does not carry electrical signal instead it carries pulses of light.
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| What is the transfer rate for fiber-optic? | show 🗑
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| What is the maximum distance for fiber-optic cable? | show 🗑
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| Name two connectors that fiber-optic cables can use. | show 🗑
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| show | It is a coaxial connector used to connect coax cable from either side so that the cable length can continue on, while the third end of the connector tees out to have a cable length connect to the network card on the client machine.
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| If you use a BNC-T connector to connect your last system to the network how many ends will you need to terminate? | show 🗑
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| What does an RJ-45 barrel connector allow you to do? | show 🗑
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| What is an F-type connector? | show 🗑
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| What is a fiber local connector (LC) and mechanical transfer registered jack (MT-RJ) used for? | show 🗑
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| How many devices in a chain does a universal serial bus (USB) support? | show 🗑
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| show | There are 3 standards.
1. USB 1.1 transfer rate of 12 Mbps
2. USB 2.0 transfer rate of 480 Mbps
3. USB 3.0 transfer rate of approximately 3 Gbps
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| show | 1. Type A connectors connect to the computer.
2. Type B connectors connect to the device.
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| show | First is 1394a with a transfer rate of 400 Mbps.
Second is 1394b with a transfer rate of 800 Mbps.
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| show | FireWire
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| Explain IEEE 1394. | show 🗑
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| What is RS-232 also known as? | show 🗑
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| What is DB-9? | show 🗑
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| What is the transfer rate of RS-232? | show 🗑
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| show | Broadband over Powerline allows ISPs to supply high-speed internet to your home using the power lines connected to your house. It requires a special modem that connects to a power outlet then a cable connects to a computer or router.
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| show | Similar to BPL but instead you connect a computer to your network by connecting it to a power network adapter that is plugged into a power outlet. It will allow you to network with other systems through existing power lines.
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| show | Single-mode fiber to ethernet. Multimode fiber to ethernet. Fiber to coaxial. Single-mode to multimode fiber.
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| Bonding is also known as what? | show 🗑
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| What is bonding? | show 🗑
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| What does MPLS stand for? | show 🗑
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| Explain Multiprotocol Label Switching MPLS. | show 🗑
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| What is the purpose of an access method? | show 🗑
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| What are 3 major access methods? | show 🗑
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| What does CSMA/CD stand for? | show 🗑
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| In which access method does every host have equal access and can place data on the wire when the wire is free? | show 🗑
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| show | CSMA/CD
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| In CSMA/CD when two host send data down the wire because it is free and at the same time then the data will collide what happens next? | show 🗑
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| What does CSMA/CA stand for? | show 🗑
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| show | A host will "sense" if the wire is free of signals then will try to avoid a collision by sending a piece of "dummy" data. If no collision then it submits the real data on the wire.
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| How does Token passing work? | show 🗑
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| What happens when the token is filled with data? | show 🗑
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| What are the two techniques used to transmit the signal along the network wire? | show 🗑
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| What technique sends digital signals through the media as a single channel that uses the entire bandwidth of the media? | show 🗑
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| How is a signal delivered in baseband? | show 🗑
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| Baseband is __________ which allows the same channel to send and receive signals. | show 🗑
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| Broadband sends information in the form of what? | show 🗑
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| In broadband each transmission is assigned a portion of the _______? | show 🗑
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| In broadband communication two pathways are needed to send and receive data, so broadband is what? | show 🗑
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| show | IEEE 802.3 standard.
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| What does 10BaseT mean when you break it down. | show 🗑
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| What access method do all ethernet environments use to put data on the wire? | show 🗑
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| show | The 10 represents the transfer rate of 10Mbps. The base represents the baseband transmission technique. The 2 implies 200 meters which is the max distance thinnet can approximately reach.
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| 10Base2 is implemented on what topologies? | show 🗑
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| show | 5-4-3 rule.
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| show | There can only be 5 network segments in total and joined by 4 repeaters but only 3 of those network segments can be populated with nodes.
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| In a 10Base2 ethernet architecture how many host are allowed per segment and what is the minimum distance in meters between hosts? | show 🗑
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| What type of cable is used in a 10Base5 ethernet architecture? | show 🗑
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| show | 100 hosts per segment and a minimum of 2.5 meter distance between hosts.
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| What type of topology does a 10BaseT ethernet architecture use? | show 🗑
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| What type of cabling is used in a 10BaseFL ethernet architecture? | show 🗑
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| The different Fast Ethernet flavors run at what transfer rate? | show 🗑
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| A transfer rate of 100 Mbps, a star topology, CSMA/CD as the access method, but different cabling are all characteristics of what? | show 🗑
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| 100BaseX is known as what? | show 🗑
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| 100BaseT and 100BaseFX are standards of what architecture? | show 🗑
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| show | 100BaseT and uses 2 pairs which is four wires in the CAT 5 cabling.
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| show | UTP cabling and uses all four pairs (8 wires).
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| show | 2 strands.
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| Gigabit ethernet has 2 standards, what are they? | show 🗑
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| show | 1000BaseX (Gigabit Ethernet)
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| There are 3 types of Gigabit ethernet that fall under the standard IEEE 802.3z, what are they? | show 🗑
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| Explain 1000BaseSX? | show 🗑
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| show | Gigabit ethernet, it runs at 1000Mbps over SMF and supports distances up to 3 Kilometers.
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| show | Gigabit ethernet, it runs at 1000Mbps over coaxial cable and supports distances of up to 25 meters.
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| What is the IEEE 802.3ab standard also know as? | show 🗑
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| show | Gigabit ethernet that runs over twisted-pair cabling and uses characteristics of 1000BaseTX networking.
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| show | Uses RJ-45 connectors and CSMA/CD as the access method. Uses CAT 5e or CAT 6 UTP and runs over 4 pairs (all 8 wires).
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| show | 10GBaseSR, 10GBaseLR, 10GBaseER, and 10GBaseT
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| show | Runs at 10 Gbps uses "short-range" multimode fiber-optic with a maximum distance of 100 meters.
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| show | Runs at 10Gbps and uses "long-range" single-mode fiber optic with a maximum distance of 10 kilometers.
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| show | Runs at 10 Gbps and uses "extra-long-range" single-mode fiber-optic cable with a maximum distance of 40 Kilometers.
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| show | Runs at 10 Gbps using CAT 6 UTP with a maximum distance of 100 meters.
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| show | Synchronous Optical Network.
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| show | A WAN version of a 10Gbps architecture for short-range using multimode fiber-optic with a max distance of 100 meters.
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| Explain 10GBaseLW? | show 🗑
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| show | A WAN version of a 10Gbps architecture for extended-range using single mode fiber-optic with a max distance of up to 40 kilometers.
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| In the token ring architecture it physically looks like a _____ but is wired logically as a ______. | show 🗑
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| Token Ring runs at what transfer rates? | show 🗑
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| show | CAT 3 or CAT 5 UTP
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| show | IEEE 802.5
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| What does an MAU or MSAU stand for? | show 🗑
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| What does FDDI stand for, and what does it do? | show 🗑
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| show | SNMP
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| show | Virtual Memory System (VMS)
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| Name some built in services of Windows Server 2003 and 2008. | show 🗑
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| show | To configure DNS and NetBIOS name resolution.
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| DHCP services allow what? | show 🗑
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| show | Build a central list of objects such as user accounts that may be used by clients on the network to log on.
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| Web services allow what? | show 🗑
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| E-mail services allow what? | show 🗑
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| show | Deploy settings down to the client operating systems from a central point. Some types of settings are: folder redirection, file permissions, user rights, and installation of software.
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| Microsoft Server 2008 also has a "_________ core" installation option that does not include a GUI. | show 🗑
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| show | Add/Remove Programs and install which ever service you need.
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| In Windows Server 2008 you must use what in order to add the role to the system. | show 🗑
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| show | Novell Open Enterprise Server.
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| show | Linux, Unix, and Windows.
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| show | eDirectory
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| show | Apache web servers provide with the NetWare operating system.
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| OES supports what client operating systems? | show 🗑
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| Novell client software can be downloaded where? | show 🗑
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| show | True
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| Objects organized in Novell eDirectory use the what tool? | show 🗑
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| What are some features provided by eDirectory? | show 🗑
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| UNIX/Linux developed by what company? | show 🗑
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| show | A popular operating system that provides powerful networking and database management.
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| What are the 3 key features that make Unix powerful? | show 🗑
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| What does NIS stand for and what is it used for? | show 🗑
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