test 2 study

With an Ethernet 10BaseT network, the maximum cable length between a computer and the hub is

100 meters

Your network follows the 100BaseTx specifications for Fast Ethernet. What is the maximum cable segment length allowed?

100 meters

Which Gigabit Ethernet standard uses multimode fiber-optic cabling and supports network segments up to a maximum of 550 meters long?

1000Base5X

Which of the following Ethernet standards uses fiber optic cabling?

100BaseFX 1000BaseLX

Which of the following use the CSMA/CD access method? Select all that apply.

10BaseT 1000BaseT

Which of the following standards is used by SONET?

10GBaseLW

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?

2000 meters

WHile viewing the status of the interfaces on a cisco switch, you see an abnormally large number of CRC errors on one interface. This interface is connected to a user's workstation located in a cubicle on the 2nd floor. What could be causing this to happen?

A strong EMI emitter near the cable run connected to that interface

Which of the following is a valid MAC address?

AB.07.CF.62.16.BD

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. Which protocol can be used to discover the MAC address?

ARP

Which type of polish grade uses green-colored connectors to help prevent using the wrong connector type?

Angled Physical Contact

You need to replace fiber optic cable that is connecting two switches together. You inspect the existing fiber cable and determine that it uses LC connectors. You also notice the cable's ferrule has a slight slant to it. Which polish grade should you use to replace the existing cable?

Angled Physical Contact Polish

You are creating an Ethernet network for your company. The shipping department is located in a different building that is located 150 meters from the main wiring closet. You connect a single Cat6e cable to connect the wiring closet to the shipping building.

Attenuation

You are working with an older 10Base2 Ethernet network. Which of the following connector types will you most likely encounter?

BNC

The media access control method of all Ethernet networks is

CSMA/CD

You are making ethernet drop cables using cat5e and RJ45 connectors. You need to remove the plastic coating over the cable to expose the individual wires. Which tool should you use?

Cable stripper

Which of the following cable types often includes a solid plastic core?

Cat6

You manage a network that uses 1000BaseT Ethernet. You find that one device communicates on the network at only 100 Mbps. Which tool should you use to test the drop cable and the connection to the network?

Certifier

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?

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

You are building network cables and attaching RJ45 connectors to each end. Which tool do you need for this task?

Crimping tool

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 switch. Which type of cable should you use?

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?

Crossover

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?

Crossover.

You have decided to implement Gigabit Ethernet on your network. Each switch port is connected to a single device. Following the installation, you find one device connected to a swith that is only running at 100 Mbps. Which of the following are likely causes?

Crosstalk

Which of the following is a valid MAC address?

DC-34-FF-15-01-8E

Which of the following describes the point where the service provider's responsibility ends and the customer's responsibility begins for installing and maintaining wiring and equipment?

Demarc

You have a network that occupies the top floor of a three story building. The WAN service provider has installed the line for the WAN service into the building in a wiring closet on the main floor. What would you use to relocate the WAN line into a wiring closet on your floor?

Demarc extension

You are troubleshooting a client connectivity problem on an ethernet network. The client system has intermittent connectivity to the network. You discover that the UTP patch cable is run 75 feet from the wall outlet, passes through the ceiling and over several florescent light fixtures before reaching the client system. Which of the following may be a cause of the connectivity problem?

EMI Interference

You have a cable Internet connection at home. The installer had connected the router near the outside wall of your house with RG-6 cable. You move the cable router a distance of 50 meters using RG-8 cables and special connector adapters. Which condition are you most likely to experience?

Echo

You have just signed up for a broadband home Internet service that uses coaxial cable. Which connector type will you most likely use?

F-type

You are moving a client to a new location network within an Ethernet network. Previous to the move, the client system did not have difficulty accessing the network. During the relocation, you attach a patch cable 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 working one but you can still not connect. Which of the following might you suspect as the problem?

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

Ethernet 100Based FX networks use what type of cabling?

Fiber optic

Which of the following is the best device to deploy to protect your private network from a public untrusted network?

Firewall

You are the network administrator for a small organization. Recently, you contracted with 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 from the internet on three separate occasions. What type of network hardware should you implement to prevent this from happening again?

Firewall

You are the administrator of your company's network. You want to prevent unauthorized access to your intranet from the internet. Which of the following should you implement?

Firewall.

What type of module might a switch use to allow it to modify the media type supported by a switch port?

GBIC SFP

You have a network that occupies all three floors of a building. The WAN service provider has installed the line for the WAN service into the building in a wiring closet on the main floor. You have a second wiring closet on the main floor. You need to connect the two wiring closets. Which of the following are typically used to connect the two wiring closets?

Horizontal cross connect 25 pair

Which of the following devices does not segment the network?

Hub

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

Hub Repeater

You have a network that occupies both floors of a building. The WAN service provider has installed the line for the WAN service into the building in a wiring closet on the main floor. You have a second wiring closet on the second floor directly above the wiring closet that holds the demarc. Which of the following terms describes the closet on the second floor?

IDF

Which of the following are advantages of using fiber optic cable for a network, as opposed to other types of cabling?

Immunity to electromagnetic influence. Greater cable distances without a repeater.

Which of the following best describes how a switch functions?

It connects multiple cable segments (or devices), and forwards frames to the appropriate segment.

Which of the following is true about the MAC address?

It is typically represented by hexadecimal numbers. It is a 48-bit address.

Which of the following statements accurately describes how a modem works?

It modulates digital data from the PC into analog data and transmits it on a telephone network. It demodulates analog data from a telephone network into digital PC data.

Which of the following connectors are used with fiber optic cables and include both cables in a single connector?

LC MT-RJ

At which OSI model layer does a media converter operate?

Layer 1

Which of the following tests can be performed by a TDR?

Measure the length of a cable Identify the location of a fault on a cable

You have a server that has a 100BaseFX network interface card that you need to connect to a switch. The switch only has 100BaseTX switch ports. Which device should you use?

Media Converter

You want to measure the voltage, amps, and ohms of various devices. Which tool should you use?

Multimeter

Which network component connects a device with the transmission media and allows it to send and receive messages?

Network interface card

You have a network connected using a physical bus topology. One of the cables connecting a workstation to the bus breaks. Which of the following best describes what happens to network communications?

No devices will be able to communicate

You are installing networking wiring for a new Ethernet network at your company's main office building. The projects specifications call for Cat5 UTP network cabling and RJ-45 wall jacks. Near the end of the project, you run out of wire before the last few runs are complete. You have a spool of Cat3 network cable in storage. Upon investigation, it appears very similar to Cat5 wiring. Should you use Cat3 cabling as a substitute for Cat5 cabling to finish the project?

No, Cat5 cabling has more twists per inch than Cat3 cabling to reduce cross-talk and support higher data.

Which of the following is used to terminate individual wires from a 25 pair or 100 pair cable using female RJ-45 ports?

Patch panel

What topology is used with 100BaseTX fast networks?

Physical star/logical bus Physical star/logical star

You need to terminate a Cat6 UTP cable with an RJ45 connector. Your organization's IT policy states that all cable connectors must be wired according to TIA568A standards. Drag the UTP wire on the left to the correct pin in the RJ45 connector on the right.

Pin 1: white with green stripe Pin 2: solid green Pin 3: white with orange stripe Pin 4: Solid blue pin 5: white with blue stripe pin 6: solid orange pin 7: white with brown stripe pin 8: solid brown

You are adding new wires in your building for some new offices. The building has a false ceiling that holds the lights. You would like to run your Ethernet cables in this area. Which type of cable must you use?

Plenum

You are working with 25 pair wires and 66 blocks. You have pushed the wires onto the 66 block, but now need to cut off the excess end of each wire. Which tool do you use?

Punchdown tool

What tool should you use to extend network services beyond the demarc?

Punchdown tool.

You have a small home network connected to the Internet using an RG-6 cable. You need to move the router connecting the network to the Internet, but can't find any RG-6 cable. Which cable types would you use instead?

RG-59

Of the following cables, which offer the best protection against EMI?

RG-6

F-type connectors are typically used with cables using which of the following standards?

RG-6 RG-59

Which of the following cable classifications are typically used for cable and satellite networking with coaxial cables?

RG-6 RG-59

Which of the following connectors is used with Ethernet 10BaseT networks?

RJ-45

Which of the following connector types are used with UTP cables?

RJ45 RJ11

Which of the following connector types would you most likely use to connect to a T1 WAN Service?

RJ48c

Which of the following standards is typically used in a rollover cable?

RS-232

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 the sales server through a single Ethernet switch. No other users have reported problems connecting to the sales server.

Replace the network card in the user's computer

Which o the following hardware devices links multiple networks and directs traffic between networks?

Router

Which of the following connectors is used with fiber optic cables and connects using a twisting motion?

ST

Which of the following connectors usually require polishing as part of the assembly process?

ST SC

An 8-port switch receives a frame on port number 1. The frame is addressed to an unknown device. What will the switch do?

Send the frame out ports 2-8.

Which of the following connectors is typically used on one end of a rollover cable?

Serial

Which of the following forms of optical fiber would usually be used to connect two buildings across campus from each other, which are several kilometers apart?

Single Mode

You want to implement an Ethernet network at very long distances using fiber optic cables. Which standard and cable type would you choose?

Single mode fiber 1000BaseLX

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 the implementation?

Single mode fiber 10GBaseLR standards

Of the following cables, which offer the best protection against EMI?

Single mode fiber optic.

Users report that the Internet is no longer accessible. You suspect that the line connecting your building to the Internet is not working properly. Which of the following allows the service provider to remotely test the local loop?

Smart jack

Which of the following physical topologies are used with Ethernet networks?

Star Bus

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?

Straight-through

Which of the following are requirements of the 1000BaseT Ethernet standards?

The cable length must be less than or equal to 100m RJ-45 connectors Cat 5e cabling

Which of the following is true about single mode fiber optic network cabling?

The central core is smaller than that of multimode fiber optic cabling.

A network is connected following the IEE 802.3 specifications. Which of the following best describes when a device can transmit messages?

The device listens to determine if the transmission media is free

Which of the following are characteristics of coaxial network cable?

The ends of the cable must be terminated. It uses two concentric metallic conductors.

Which of the following are characteristics of an MT-RJ fiber optic connector?

They can be used with multimode fiber optic cables. They use metal guide pins to ensure accurate alignment.

Which of the following are characteristics of an LC fiber optic connector?

They use a housing and latch system similar to an RJ-45 UTP connector. They are half the size of standard connectors

Which of the following is a good reason to install a firewall?

To prevent hackers from accessing your network.

What device sends signals from a computer onto a network?

Transceiver

What type of cabling is used with 100BaseTX Fast Ethernet networks?

Type 1A STP or Category 5 UTP

Which of the following methods would you use to create a crossover cable?

Use the T568A standard on one connector, and the T568B standard on the other connector.

You have a network that occupies all three floors of a building. The WAN service provider has installed the line for the WAN services into the building in a wiring closet on the main floor. You have a wiring closet on the two remaining floors directly above the wiring closet on the main floor. What would you use to connect the wiring closets together?

Vertical Cross connect

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

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

When would you typically use an RJ-11 connector?

When connecting a phone to a phone line.

You want to use the T568B standard for adding connectors to your CAT5 cable. Starting with pin 1, which order should you use for the wires within the connector?

White/orange, orange, white/green, blue, white/blue, green, white/brown, brown

In which of the following situations might you use an RJ-11 connector?

You want to connect your computer to the Internet with a dial-up connection.