Lesson 7 - Test Flashcards
Which of the following cables does not use copper wire to conduct the signals electronically?
Fiber-optic
Which of the following cables offers the highest resistance to EMI?
Fiber-optic
What is the speed of a CAT 6 cable?
1000 Mbps
True or false. The purpose of a UPS system is to provide long-term power when power fails.
False
Which of the following cables offers the best resistance to crosstalk?
Fiber-optic
Which of the following amplifies signals so that they can travel longer distances without suffering from signal degradation?
Repeater
_______ networks are known as Fast Ethernet networks.
100BASETX
Which of the following organizations is responsible for developing network standards?
IEEE
What types of interference can cause problems for networks? (Choose all that apply.)
EMI
RFI
True or false. STP provides protection against interference and cross talk.
True
Identify whether the given statement is true or false.
“In a token ring network, a patch cable is used to connect two MAUs.”
True
In a wireless topology, the behavior of an access point is similar to a ____.
Hub
What tool can you use to capture traffic going across a network? (Choose all that apply.)
Microsoft’s Network Monitor
A network sniffer
A protocol analyzer
A short-duration increase in AC power is a _____________.
power spike
What frequency does 802.11g use?
2.4 GHz
Which of the following cabling options is used by the 10BASET standard?
Twisted pair
Wavelength beams of 1550nm are used by the ____ Ethernet standard.
10GBASE-ER
Which of the following statements are true regarding plenum-rated cables?
Each correct answer represents a complete solution. Choose all that apply.
Used in an enclosed environment
Often coated with Teflon
Produce less toxic gas than normal cables in case of fire
Which of the following connectivity devices is used to extend a network on a purely mechanical basis?
Active hub
Select the equipment which are used to resolve the following problems with connectivity.
Potential Problems with Connectivity Fire Hardzards: Plenum safe cable Interception of Signals: Network monitor Power Spikes: Surge protector Cross Talk: Shielded twisted pair cable
Which of the following media types transmits data in the form of light?
Fiber-optic cable
You have two desktop computers having 100Base-T Ethernet network cards. You want to connect the computers with a cable without using a hub or switch. Drag the appropriate cable from the bottom required for the connection onto the box provided on the top.
CAT5 Crossover
You are a Network Consultant for Tech Perfect Inc. You are designing a network for the company and required to accomplish the following:
•The cabling must support data transfer speeds up to 50 Mbps.
•The cost of cabling must be as low as possible.
Which of the following cables will you use?
CAT5e
Drag the maximum cable lengths supported by their networking technologies from the right onto their matching locations on the left.
1000BasSX: 550 100BaseFX: 2000 100BaseTX: 100 1000BaseCX: 25 1000BaseT: 100
Click to select the steps you’ll take to install a router on the SOHO network.
Connect the router and the switch through a UTP straight-through cable.
Connect the router and the cable modem through a UTP straight-through cable.
Connect the router’s console port to a PC using a rollover cable.
Connect the power cable from a power outlet to the power port on the router.
Turn on the router.
Which of the following media types is used for high-speed, high-capacity data transmission and is immune to electromagnetic interference?
Fiber-optic cable
You work as a Network Administrator for Perfect World Inc. You are configuring a network that will include 1000BASET network interface cards in servers and client computers. What is the maximum segment length that a 1000BASET network supports?
100 meters
Which of the following statements are true about a UTP crossover cable with RJ-45 connectors?
Establishes a connection between a broadband modem and a PC/router
Establishes a connection between two PCs without a hub
Which of the following media is immune to electromagnetic interference (EMI)?
100BASE-FX
You work as a Network Administrator for Net World International. The Sales office and head office of the company are located in different buildings. You want to connect the Sales office network to the Head office network. The company’s management is concerned about the electromagnetic interference (EMI) in the surrounding locality. Which of the following cables will you use?
Fiber-optic
You have planned to use a plenum-rated cable for extending your existing LAN. For which of the following reasons is plenum-rated cable used?
Produces less toxic gas than a normal cable in case of fire
Outer surface is more resistant to flame than a normal cable
You work as a Network Administrator for Tech Perfect Inc. The company has a TCP/IP-based network. Two departments, Sales and Marketing, have separate networks. All network components are centrally connected to a hub in their respective departments. Management wants to connect both the departments. Which of the following cables will you use to connect both hubs?
Crossover
Which of the following connectors is used to connect a network interface card to the network using UTP cables?
RJ45
Which of the following is the maximum segment length when wiring a 100BASET network with Cat 5 cable?
100 meters
Each twisted pair category operates on a specific frequency. Match each frequency to its twisted pair category.
100Mhz: CAT, CAT 5E
600Mhz: CAT 7
250Mhz: CAT 6
500MHz: CAT6A
You’ve installed a small network at an accounting office. All the computers have gigabit Ethernet NICs. Your router works at 1000 Mbps. Yet, when you measure the Internet speed, you see it is at a max of 100 Mbps. What should you do to fix this?
Replace the cable with a Category 6 cable.
Which of the following cables can be used to wire a 100BASET Ethernet network by using unshielded twisted pair (UTP)?
Cat 5
You want to connect two computers by using the 10BASET Ethernet cable. The computers are located more than 300 meters apart. Which device will you use?
Repeater
You are designing a network for Perfect Wear Inc. You need to make a choice between 100BASE-FX and 100BASE-TX. What are the two prime differences between 100BASE-FX and 100BASE-TX?
The maximum segment length of 100BASE-FX is longer than that of 100BASE-TX.
100BASE-FX is fiber-based, whereas 100BASE-TX is copper-based.
Which of the following types of networks uses terminators?
10BASE2
You work as a Network Administrator for McRobert Inc. The company’s branch office is approximately 1.5 miles away from its main office. You want to connect the branch office to the main office network without using repeaters. Which of the following cables will you use?
Fiber-optic
Which of the following standards supports a maximum transmission distance of 40km?
10GBASE-ER
Which of the following is the maximum segment length of a 10BASET Ethernet network?
100 meters
Which of the following is the reason to avoid fluorescent lights when running unshielded twisted pair (UTP) cable?
Signal degradation
You work as a Network Administrator for Tech Perfect Inc. The company has a 100Mbps TCP/IP-based Windows Server 2003 network shown in the figure below:
Change the CAT5 cable to a CAT6 cable.
Which of the following types of cable will you use to connect a switch to a router?
UTP straight-through
Which of the following specifications of IEEE (Institute of Electrical and Electronic Engineers) defines the standard for fiber-optic cables?
802.8
Which of the following Ethernet specifications can transmit data up to a distance of 500 meters?
10BASE5
What is the maximum cable segment length supported by a 10BASET network?
100 meters
Drag and drop the two primary types of fiber optic cable according to their properties.
Multimode: Uses a plastic core, Supports 100Mbpa for distances up to 2 km
Single Mode: Uses a glass core, Supports 10 Gbps for distances up to 40 km.
Which of the following media types is least susceptible to electromagnetic interference (EMI)?
Fiber-optic
Which of the following is described in the statement below?
“It is used to connect one Personal Computer (PC) to another without using a hub or a switch.”
Crossover cable
Which of the following cables support transmission speeds of 1000Mbps?
Each correct answer represents a complete solution. Choose all that apply.
CAT6
CAT5e
Which of the following types of patch cables is used in a 100BASET network?
CAT5 UTP
Drag the maximum transmission speed supported by the types of Ethernet network from the right onto their matching locations on the left.
Ethernet: 10Mbps
Fast Ethernet: 100Mbps
Gigabit Ethernet: 1000Mbps
10Gigabit Ethernet: 10Gbps
Arrange the following IEEE standards in descending order according to the maximum transmission distances they cover.
10GBASE-ER
10GBASE-LR
1000BASE-SX
10GBASE-SR
What is the maximum transmission distance supported by 1000BASE-TX?
100 meters
Which of the following statements are true about fiber-optic cables?
Each correct answer represents a complete solution. Choose three.
Immune to electromagnetic interference (EMI)
Transmits signals over great distances
Uses light pulses for signal transmission
Which of the following connectors is used to connect a twisted-pair cable to a network adapter card?
RJ-45
Which of the following cables will you use to create a network based on the 100BASE-TX standard?
Category 5 UTP
Which of the following is the difference between STP and UTP cable?
STP has outer shielding - UTP does not.
You are designing a network. The conditions require Ethernet implementation over fiber. You decide to choose 100BASE-TF cables. What will be the maximum transmission speed supported by the 100BASE-TF cable?
100 Mbps
You are designing a TCP/IP-based network for Net Perfect Inc. The company’s offices are in different buildings within local premises. You decide to use 100BASETX cabling to interconnect the offices. What is the maximum length of cable that you can use per segment?
100 meters
Which of the following cables will you use to configure a network based on the 100GBASE-SR standard?
Multi-mode fiber
You work as a Network Administrator for Tech Perfect Inc. The company has offices at different locations in a city. You decide to use 100BASEFX full-duplex Multimode Fiber-optic cabling for interconnecting the offices. What is the maximum length of cable you can use for this network?
2000 meters
You work as a Network Administrator for Net World International. You are configuring a LAN (local area network) spanning various buildings in the company’s premises. You decide to use a 1000BASE-SX network. What is the maximum length of the cable segment that can be used?
550 meters
What is the maximum length of a 100BASE-TX?
100 meters
While designing a network, you choose 100BASE-TX over 100BASE-FX. Which of the following are likely reasons for your decision?
Each correct answer represents a complete solution. Choose two.
Flexibility of cables
Ease of installation
Which of the following statements are true about a CAT5 cable?
Each correct answer represents a complete solution. Choose all that apply.
Capable of transferring data at 100Mbps
Uses a 24-gauge copper wire
Has three twists per inch of each twisted pair
What advantage does a CAT5 cable has over fiber-optic cables?
Immunity from EMI
In an Ethernet peer-to-peer network, which of the following cables is used to connect two computers, using RJ-45 connectors and Category 5 UTP cable?
Crossover
Which of the following are functions of a switch?
Each correct answer represents a complete solution. Choose all that apply.
To direct the packets to specific computers
To reduce the collisions on the Ethernet network
You are a Network Administrator and currently planning for LAN cabling for a new area of your office building. The cable will run between the structural and drop-down ceilings. Which of the following cables will be best suited in this environment?
Plenum-rated