NCTI WIFI Practice Exam Questions With
Well Explained Answers 2023
Notes
Single input, single output (SISO) - Most systems have one radio and one antenna, and
some systems have one radio and two antennas.
Multiple input, multiple output (MIMO) - These systems use multiple radio chains in a
single wireless chipset.
Multi-user MIMO (MU-MIMO) - These systems use each radio chain on an access point
to transmit to a unique client.Correct answer:
Wired Equivalent Protection (WEP) - This type of security setup should never be used
for a wireless network as it can be quickly be broken.
WPA/WPa2 -Personal - This type of security uses an 8-63 character passphrase that all
network users share.
WPA/WPA2-Enterprise - In this type of security setup, everyone has a unique username
and password, which allows IT departments to track individual users and reset unique
user passwords without having to change the passphrase for the entire network.
Wi-Fi Protected Setup (WPS) - This type of security setup allows new devices to be
added to a network with a button press or an 8-digit PIN number.
test one
Question #1: Multiple Choice - choose 1 answer
Which modulation scheme works by varying the height, or loudness, of a wave to
convey information?
B) Amplitude modulation (AM).
Question #2: Multiple Choice - choose 1 answer
Which modulation scheme works by adjusting the length of a wave to convey
information?
B) Frequency modulation (FM).
Question #3: Multiple Choice - choose 1 answer
Which IEEE standard specifies media access and Physical Layer specifications for
wireless connectivity between fixed, portable, and moving stations within a local area?
C) 802.11.
Question #4: Multiple Choice - choose 1 answer
, Which IEEE 802.11 amendment is a 5 GHz-only standard that can theoretically reach 7
Gbps?
A) 802.11ac.
Question #5: Multiple Choice - choose 1 answer
Which of the following is an example of a wide area network (WAN)?
B) The Internet.
Question #6: Multiple Choice - choose 1 answer
Which of the following handles the long distance wide area network (WAN)
communication link with the Internet service provider or managed services operator?
C) Modem.
Question #7: Multiple Choice - choose 1 answer
What connects wireless client devices, such as laptops, phones, tablets, and media
players to the wired network?
C) Access point.
Question #8: Multiple Choice - choose 1 answer
Which type of directional antenna is usually called a "high-density" directional antenna?
B) Semi-directional antenna.
Question #9: Multiple Choice - choose 1 answer
What type of system uses one radio chain to transmit and receive data?
A) Single input, single output (SISO).
Question #10: Multiple Choice - choose 1 answer
Which security setup allows new devices to be added to a network with a button press
or an 8-digit PIN?
D) Wi-Fi Protected Setup (WPS).
9-15-1 Understanding Wi-Fi
Question #1: Multiple Choice - choose 1 answer
Which security standard is considered the best form of security because it is the most
secure and does not limit network data rates?
Voordelen van het kopen van samenvattingen bij Stuvia op een rij:
Verzekerd van kwaliteit door reviews
Stuvia-klanten hebben meer dan 700.000 samenvattingen beoordeeld. Zo weet je zeker dat je de beste documenten koopt!
Snel en makkelijk kopen
Je betaalt supersnel en eenmalig met iDeal, creditcard of Stuvia-tegoed voor de samenvatting. Zonder lidmaatschap.
Focus op de essentie
Samenvattingen worden geschreven voor en door anderen. Daarom zijn de samenvattingen altijd betrouwbaar en actueel. Zo kom je snel tot de kern!
Veelgestelde vragen
Wat krijg ik als ik dit document koop?
Je krijgt een PDF, die direct beschikbaar is na je aankoop. Het gekochte document is altijd, overal en oneindig toegankelijk via je profiel.
Tevredenheidsgarantie: hoe werkt dat?
Onze tevredenheidsgarantie zorgt ervoor dat je altijd een studiedocument vindt dat goed bij je past. Je vult een formulier in en onze klantenservice regelt de rest.
Van wie koop ik deze samenvatting?
Stuvia is een marktplaats, je koop dit document dus niet van ons, maar van verkoper SmartScores. Stuvia faciliteert de betaling aan de verkoper.
Zit ik meteen vast aan een abonnement?
Nee, je koopt alleen deze samenvatting voor €10,08. Je zit daarna nergens aan vast.