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Stranded core cables are stiff and will break easily. (T/F)
False
A standby power supply is always on and powers the system while the battery charges. (T/F)
False
What network component is built into most motherboards today?
onboard NIC
Which device provides the benefit of acting like an inverter?
uninterruptible power supply (UPS)
Which unit is used to measure signal loss in networking?
decibel (dB)
When testing for continuity using a multimeter, set it to the lowest Ohm range; if you have a connection you will see a(n) __________ reading.
zero Ohms
What is the size of a U, the equipment rack unit of measure used for specifying height?
1.75 inches
Patch panels allow you to connect only one kind of cabling; that is, they support only UTP, STP, or fiber, but not a mixture of different types. (T/F)
False
What type of connector is used by all UTP Ethernet NICs?
RJ-45
A generator provides provide enough power for you to continue working in the event of a power failure. (T/F)
True
Most PCs today have two types of expansion slots: PCI and __________.
PCIe
When crimping an RJ-45 onto a UTP cable, you must slide each boot onto the patch cable after you crimp both ends. (T/F)
False
What is the norm today for the number of pairs in UTP cabling?
four
You support a large, complicated network. After experiencing problems and testing the cabling, you discover a bad horizontal cable. What should you do next?
Call your local installer.
Which NIC light turns on when the card detects network traffic and intermittently flickers when operating properly?
activity light
Which NIC light turns on when the card detects network traffic and intermittently flickers when operating properly? (T/F)
False
A rack-mounted device designed for a 3.5-inch space is a 2U. (T/F)
True
Every operating system has some way to tell you on the screen if it detects the NIC is disconnected. (T/F)
True
Which statement is true regarding standard equipment racks?
They provide safe, stable platforms for all the different hardware components.
What type of tool is manufactured by Tripplet Corporation and is called a "Fox and Hound"?
toner
What are you trying to discover when you test a cable for continuity?
broken wire
What is the maximum length for UTP cables allowed by the TIA/EIA 568 cabling specification?
90 meters
If you provide support for, but do not install, UTP networks, which two tools are most important to use?
good toner and a good, medium-priced cable tester
A modern OS will not have a driver included for the NIC. (T/F)
False
Which statement applies to a PCIe NIC?
It usually comes in either one-lane (×1) or two-lane (×2) varieties.
What item do most professional cable installers use to quote the price for an installation?
per-drop cost
The __________ specification accounts for UTP cable lengths.
TIA/EIA 568
Which term describes the cabling that goes more or less horizontally from a work area to the telecommunications room?
horizontal cabling run
Which item is part of a wall outlet?
female jack
Which characteristic applies to stranded core cabling?
Stranded core wire is actually a bundle of tiny wire strands.
Both near-end crosstalk (NEXT) and far-end crosstalk (FEXT) are measured in __________.
decibels
Attenuation is the weakening of a signal as it travels long distances. (T/F)
True
If you suspect that a fiber-optic run has a break, which type of device would you use to determine if there is a break, and to identify the location of the break?
optical time-domain reflectometer (OTDR)
If you want to be a purist when labeling the connections on patch panels, there is an official, and rather confusing, ANSI/TIA labeling methodology called ANSI/TIA 606-C. (T/F)
True
Patch panels serve as your first line of defense in organizing cables. (T/F)
True
The process of installing a structured cabling system is rather involved and requires a great degree of skill. (T/F)
True
Most switches enable you to use multiple NICs for a single machine, a process called __________ or link aggregation.
bonding
On many NICs, a properly functioning link light is on and steady when the NIC is connected to another device. What does On with no flickering indicate?
good connection
If a user gets a "No server is found" error, it usually points to a logical problem. (T/F)
False
What does the acronym LED stand for?
light-emitting diode
Within a Windows OS, which tool can you use to verify that Windows recognizes a NIC and is ready to use it?
Device Manager
Female RJ-45 jacks used in work area wall outlets typically have Cat ratings. (T/F)
True
