Network Pro – Ch 3, 4 – Flashcards
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Which network component connects a device with the transmission media and allows it to send and receive messages?
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Network Interface Card
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What is the proper format of a MAC address?
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00-00-00-00-00-00(- can also be replaced with .)
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A host wants to send a message to another host with the IP address 115.99.80.157. IP does not know the hardware address of the destination device. What protocol can be used to discover the MAC address?
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ARP
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What type of module might a switch use to allow it to modify the media type supported by a switch port?(2 answers)
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SFP, GBIC
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Which OSI model layer does a media converter operate?
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Layer 1
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You have a server that has a 100BaseFX network interface card that you need to connect to a switch. The switch only has 100BaseTX ports.
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Media converter
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Which of the following is true about the MAC address?(2 answers)
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It is typically represented by hexadecimal numbers. It is a 48 bit address.
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Which of the following statements accurately describes how a modem works?(2 answers)
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It demodulates analog data from a telephone network into digital PC data. It modulates digital data from the PC into analog data and transmits it on a telephone network.
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What device sends signals from a computer onto a network?
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Transceiver
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Which of the following devices is used on a LAN and offers guaranteed bandwidth to each port?
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Switch
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An 8-port switch receives a frame on port number. The frame is addressed to an unknown device. What will the switch do?
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Send the frame out ports 2-8
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Which of the following devices operate at the OSI model layer 2?(2 answers)
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Network Interface Card, Switch
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Which of the following devices is used on a LAN and offers guaranteed bandwidth to each port?
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Switch
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Your company purchases a new bridge, which filters packets based on the MAC address of the destination computer. On which layer of the OSI model is the device functioning?
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Data Link
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An access point that conforms to the IEEE 802.11b standard acts most closely to what other networking device?
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Hub
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A switch is associated with which OSI model layer?
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Data Link
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Which of the following best describes how a switch functions?
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It connects multiple cable segments (or devices) and forwards frames to the appropriate segment.
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At which layer of the OSI model do hubs operate?
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Physical
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How do switches and bridges learn where devices are located on a network?
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When a frame enters a port, the source MAC address is copied from the frame header.
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Which of the following hardware devices regenerates a signal out all connected ports without examining the frame or packet contents?(2 answers)
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Repeater, Hub
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What are three devices that operate at the Data Link layer of the OSI model?
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Switches, Network Interface Cards, Bridges
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At which of the following OSI layers does a router operate?
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Layer 3
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Which of the following is the best device to deploy to protect your private network from a public untrusted network?
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Firewall
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Which of the following hardware devices links multiple networks and directs traffic between networks?
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Router
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Name two tasks that routers perform.
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Maintain information about paths through an internetwork. Route data based on logical network addresses
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You are the administrator of a company's network. You want to prevent unauthorized access to your intranet from the internet. Which of the following should you implement?
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Firewall
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At what OSI layer does a router operate to forward network messages?
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Network
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You are the network administrator for a small organization. Recently, you contacted an ISP to connect your organization's network to the internet to provide users with internet access. Since doing so, it has come to your attention that an intruder has invaded your network on three separate occasions. What type of network hardware should you implement to prevent this from happening again?
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Firewall
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Which of the following physical topologies are used with Ethernet networks?(2 answers)
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Bus, Star
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A network is connected following the IEEE 802.3 specifications. Which of the following best describes when a device can transmit messages?
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The device listens to determine if the transmission media is free.
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Which of the following connectors is used with Ethernet 10BaseT networks?
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RJ-45
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The media access control method of all Ethernet networks is
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CSMA/CD
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Which of the following use the CSMA/CD access method?(2 answers)
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1000BaseT, 10BaseT
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You want to implement an Ethernet network at very long distances using fiber optic cables. Which standard and cable type would you choose?(2 answers)
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1000BaseLX, 1000BaseSX
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You have been tasked with designing a high-speed Ethernet network. Your client's building already has 150ohm shielded twisted pair wiring installed. Due to budget constraints, they have asked you to reuse the existing wiring instead of installing new fiber optic cabling. Which Ethernet standard could you implement in this situation?
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1000BaseCX
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Your network follows the 100BaseTx specifications for Fast Ethernet. What is the maximum cable segment length allowed?
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100 meters
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Which of the following Ethernet standards uses fiber-optic cabling?(2 answers)
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100BaseFX, 1000BaseLX
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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 m 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?(2 answers)
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1000BaseSX, 10GBaseSR
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Which of the following are requirements of the 1000BaseT Ethernet standards?(3 answers)
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CAT 5e cabling, RJ-45 connectors, The cable length must be less than or equal to 100m
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Which Gigabit Ethernet standard uses multimode fiber-optic cabling and supports network segments up to a maximum of 550 m long?
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1000BaseSX
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What type of cabling is used with 100BaseTX Fast Ethernet networks?
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Type 1A STP or Category 5 UTP
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What is the minimum cable specification that supports 1000 Mbps Ethernet?
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Cat 5
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What topology is used with 100BaseTX Fast Ethernet networks?(2 answers)
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Physical star/logical bus, Physical star/logical star
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Which Gigabit Ethernet standard can support long network segments up to a maximum of 5 km when used with single mode fiber-optic cable?
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1000BaseLX
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Ethernet 100BaseFX networks use what type of cabling?
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Fiber-optic
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Your network follows the 100BaseFX specifications for Fast Ethernet, and uses half-duplex, multimode cable. What is the maximum cable segment length allowed?
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412 meters
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Which of the following standards is used by SONET?
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10GBaseLW
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You are planning a network for an educational campus. Due to the size of the buildings and the distance between them, you have elected to use 10BaseFL hubs, cabling, and network interface cards. What is the maximum length for the network cable between a workstation and a hub?
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2000 meters
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With an Ethernet 10BaseT network, the maximum cable length between a computer and the hub is:
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100 meters
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You would like to implement 10 Gbps Ethernet over a distance of 1 km or greater. Which of the following would be the minimum requirement for the implementation?(2 answers)
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10GBaseLR standards, Single mode fiber
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Which of the following standards is typically used in a rollover cable?
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RS-232
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You need to connect to 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?
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Straight through
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Which of the following connectors is typically used on one end of a rollover cable?
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Serial
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You need to transfer data from one laptop to another and would like to use an Ethernet cable. You do not have a hub or a switch. Which type of cable should you use?
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Crossover
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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?
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Crossover
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You want to create a rollover cable that has an RJ-45 connector on both ends. How should you connect the wires within the connectors?
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Connect pin 1 to pin 8, pin 2 to pin 7, pin 3 to pin 6, and pin 4 to pin 5
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You have two switches that you need to connect using their uplink ports. The switches do not support auto-MDI. Which type of cable should you use?
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Crossover
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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?
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Rollover.
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What is the main difference between RIP and RIP2?
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RIP uses classful protocol, while RIP2 is classless protocol.
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You have a private network connected to the internet. Your routers will not share routing information about your private network with Internet routers. Which of the following best describes the type of routing protocol you would use?
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IGP
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Which of the following routing protocols divides the network into areas, with all networks required to have an area 0 (area 0 identifying the backbone area)?
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OSPF
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You have a network configured to use the OSPF routers have learned about all other routes in the network?
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convergence
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Which of the following protocols has a limit of 15 hops between any two networks
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RIP
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You have a router configured to share routing information using RIP. In addition, you have a single static route that identifies a default route for all other networks?
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Manually reconfigure the default route to point to the new next hop router.
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Which of the following is a characteristic of static routing when compared to dynamic routing?
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All routers must be manually updated on the router.
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What information does the next hop entry in a routing table identify?
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The first router in the path to the destination network.
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Which of the following routing protocols are classified as a link state routing protocols?
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IS-IS, OSPF
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What are the main differences between the OSPF and IS-IS routing protocols?
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OSPF requires an area 0, while IS-IS does not.
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Which of the following best describes OSPF?
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ospf is a classless link-state routing protocol
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A router is connected to a network 192.169.1.0/24 and network 192.168.2.0/24. The router is configured to use RIP and has learned of networks 192.168.3.0/24 and 192.168.4.0/24. The router is also configured with a static route of 0.0.0.0 with a mask of 0.0.0.0. The router receives a packet addressed to the network 10.1.0.0/16. What will the router do with the packet.
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Forward the packet to the next hop router specified by the route network 0.0.0.0
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You manage a server that uses an IP address of 192.168.255.188 with a mask of 255.255.0.0 Which of the following describes the address type?
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Classless
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Which of the following routing protocols is used by routers on the Internet for learning and sharing routes?
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BGP
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Which of the following terms are often synonymous with or made possible with CIDR?
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Classless, VLSM
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Under which of the following circumstances might you implement BGP on your company network and share routes with Internet routers?
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If the network is connected to the Internet using multiple ISPs.
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Which of the following statements about RIP is true?
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RIP uses hop counts as the cost metric.
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A router is connected to network 192.168.1.0/24 and network 192.168.2.0/24. The router is configured to use RIP and has learned of networks 192.168.3.0/24 and 192.168.4.0/24.
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Wait for convergence to take place.
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A router is connected to a network 192.168.1.0/24 and network 192.168.2.0/24. The router is configured to use RIP and has learned of networks 192.168.3.0/24 and 192.168.4.0/24. There is no default route on router. The router receives a packet addressed to network 10.1.0.0/16. What will the router do with the packet?
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Drop the packet.
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Which of the following protocols is classified as a balanced hybrid routing protocol?
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EIGRP
