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