Find Complete and recently updated Correct Question and answers of Wi-Fi. All Answers updated regularly with new questions. Upwork Wi-Fi test answers of 2016.

Question:* The most common way to secure a wireless connection is to use:

Answer: • WEP

Question:* WPA stands for:

Answer: • Wifi Protected Access

Question:* If a device that is rated at 40 milliwatts (mW) is added to a connector whose resistance reduces the power by 3 decibels (-3dB), what is most likely to be the device's power rating?

Answer: • 20 milliwatts (mW)

Question:* IEEE 802.11af allows WLAN operation within what two ITU-designated radio wave frequency ranges?

Answer: • VHF and UHF

Question:* Antenna gain is characterized by what unit of measurement?

Answer: • dBi or dBd

Question:* Which of the following is not one of the layers of the OSI networking model?

Answer: • Layer 5 - Security

Question:* One technique used in attempts to crack a cipher or authentification mechanism is to try hundreds, maybe millions of possible passwords or phrases. What is this technique called?

Answer: • a "dictionary attack"

Question:* IEEE 802.11i is also referred to as:

Answer: • WPA2

Question:* Which of the following can be effectively used to restrict unnecessary traffic on your wireless network?

Answer: • Firewall

Question:* Some wireless routers provide QoS to help prioritize traffic. What does QoS stand for?

Answer: • Quality of Service

Question:* The diameter of a hotspot area is about:

Answer: • 100-500 feet

Question:* In many cases municipal wifi networks are being created with a combination of:

Answer: • wimax and wifi

Question:* What does DNS stand for?

Answer: • Domain Name System

Question:* Which one is the most secure?

Answer: • WPA2

Question:* The radio waves of a WLAN are generated by which device?

Answer: • router

Question:* Which of the following ISM bands is likely to be the most heavily populated?

Answer: • 2.4 GHz

Question:* The wavelength of an electromagnetic signal is inversely proportional to what other feature of that signal?

Answer: • the signal's frequency

Question:* The Wired Equivalent Privacy (WEP) security algorithm was first introduced in 1997 by what professional association?

Answer: • IEEE

Question:* When you connect to a wireless network, you are assigned an IP address. What is an IP address?

Answer: • Internet Protocol address used to identify computers on the network

Question:* Wifi was built to move:

Answer: • data traffic

Question:* WPA2 increased the security of WPA from 128 bits to how many bits?

Answer: • 256 bits

Question:* What does AP stand for?

Answer: • access point

Question:* By using this type of wireless connection, you computer is secure from prying eyes:

Answer: • Encrypted

Question:* True or false? Wimax offers larger coverage areas with greater bandwidth and speeds compared to wifi.

Answer: • True

Question:* Wifi works on radio band:

Answer: • 802.11

Question:* Which of the following can redirect an Internet signal to multiple end users?

Answer: • router

Question:* Which of the following devices would definitely not use WiFi?

Answer: • (none of these)

Question:* Wifi is used to connect devices to:

Answer: • Internet

Question:* A specific location in which an end user can access the Internet wirelessly:

Answer: • access point

Question:* What does the W in WLAN stand for?

Answer: • wireless

Question:* What is the term assocaited with DHCP that allows your computer to acces other computers outside your network?

Answer: • Gateway

Question:* Which of the following may cause transmission interference with a wireless sign?

Answer: • (all of these)

Question:* Which frequencies does Wifi use to transmit data?

Answer: • radio

Question:* True or False? The more users that share an access point, the slower a wireless network can become.

Answer: • True

Question:* An IPaddress gets assigned to a computer by a wireless router. what performs this?

Answer: • DHCP

Question:* What does the term WLAN refer to?

Answer: • Wireless Local Area Network

Question:* What is the most basic difference between a WLAN and an Ethernet LAN?

Answer: • A WLAN uses radio waves, while a Ethernet LAN uses some form of cable.

Question:* When trying to connect to a wireless network, at times it's name is hidden. What is the technical term for this wireless name?

Answer: • SSID

Question:* Which of the following allows your computer to send and receive wireless signals to and from the internet?

Answer: • wireless network interface card

Question:* Which of the following is true?

Answer: • Wireless networks allow greater mobility than wired.

Question:* What do you call the name of a network that is broadcast by a router?

Answer: • SSID (service set identifier)

Question:* Wireless keys are:

Answer: • hexadecimal numbers

Question:* Wireless networks can operate on one of which two modes?

Answer: • ad hoc mode or infrastructure mode

Question:* Of the following choices, which 802.11 offers the highest potential speeds?

Answer: • 802.11n

Question:* What is the unique identifier tied to your wireless or wired ethernet card called?

Answer: • Media Access Control

Question:* The strength of a Wi-Fi wireless radio signal is measured using what standard unit?

Answer: • decibels (dB)

Question:* Which of the following security systems was marked as "deprecated," and therefore a security risk, in 2004?

Answer: • WEP

Question:* IEEE 802.11 wireless LAN use a media access control protocol called:

Answer: • Carrier Sense Multiple Access with Collision Detection

Question:* A decibel (dB) is a ratio determined by what two power quantities?

Answer: • signal and noise

Question:* Which of the following would an outdoor WLAN most likely require?

Answer: • attenas with a direct path for the signal

Question:* What do the letters DSSS stand for?

Answer: • Direct-Sequence Spread Spectrum

Question:* A wireless network card operates at roughly what rate of power?

Answer: • 1 mW

Question:* A typical off-the-shelf router (made by Netgear, Linksys, etc.) transmits with a power of roughly how many milliwatts?

Answer: • 20 to 30 mW

Question:* IEEE 802.1X security protocol uses which three components?

Answer: • supplicant, authenticator, authentication server

Question:* True or False? A WPAN will generally have a larger area of coverage than a WLAN.

Answer: • False

Question:* IEEE's 802.11 provides specifications for which two facets of WLAN communication?

Answer: • media access control (MAC) physical layer (PHY)

Question:* Which of the following refers to unauthorized tapping into another's wifi connection with a public utility?

Answer: • Piggybacking

Question:* Which of the following is not a feature WPA2 security?

Answer: • Penetration Detection Service (PDS)

Question:* What is it called when some drives around looking for available provate access points?

Answer: • Wardriving

Question:* Which of the following is not one of the three main tools used to decrease the security risks that accompany a WLAN?

Answer: • VIA protocol

Question:* The 2.4-GHz band is broken down into how many channels?

Answer: • 14

Question:* Which of the following is not an unlicensed ISM band?

Answer: • 150 MHz

Question:* What is the name given to individuals who search for unsecure networks in the hope of gaining free access to the internet?

Answer: • war drivers

Question:* Which of the following is not a common modulation method used in wireless communication?

Answer: • CAHS

Question:* What does EIRP stand for?

Answer: • Effective (or Equivalent) Isotropic Radiated Power

Question:* Which of the following frequencies would have the greatest penetration of potential sources of interferences such as walls or trees?

Answer: • 900 MHz

Question:* What is the name of a newer trend in which large mesh networks of wifi are provided over a large geographical area?

Answer: • Muni-wifi

Question:* An 802.11 frame may contain up to how many address fields?

Answer: • four

Question:* Wifi does not support roaming? True or False

Answer: • True

Question:* Wimax works on radio band:

Answer: • 802.16

Question:* Which of the following is not an organization that influences the standards used for WLANs today?

Answer: • World IWR

Question:* Which of the following keys is commonly used on wireless computer networks to increase their security?

Answer: • wireless

Question:* What is the fixed bandwidth defined by Wifi standard for 802.11g?

Answer: • 20MHz

Question:* What is the fixed bandwidth defined by Wifi standard for 802.11b?

Answer: • 25MHz

Question:* To prevent annoucement of the existence of your wireless network, you should disable identifier:

Answer: • annoucement

Question:* Wifi uses which kind of multiplexing:

Answer: • OFDM

Question:* IEEE 802.11 includes the specifications for WLAN technologies that make use of radio waves and what other kind of electromagnetic radiation?

Answer: • infrared

Question:* Quality of Service (QoS) capabilities are incorporated in Wifi with the adoption of:

Answer: • IEEE 802.11e standard

Question:* Which of the following modulation is used by Wifi?

Answer: • adaptive

Saturday, December 19, 2015

Wi-Fi test answers of 2016

Question:* The most common way to secure a wireless connection is to use:

Answer: • WEP

Question:* WPA stands for:

Answer: • Wifi Protected Access

Question:* If a device that is rated at 40 milliwatts (mW) is added to a connector whose resistance reduces the power by 3 decibels (-3dB), what is most likely to be the device's power rating?

Answer: • 20 milliwatts (mW)

Question:* IEEE 802.11af allows WLAN operation within what two ITU-designated radio wave frequency ranges?

Answer: • VHF and UHF

Question:* Antenna gain is characterized by what unit of measurement?

Answer: • dBi or dBd

Question:* Which of the following is not one of the layers of the OSI networking model?

Answer: • Layer 5 - Security

Question:* One technique used in attempts to crack a cipher or authentification mechanism is to try hundreds, maybe millions of possible passwords or phrases. What is this technique called?

Answer: • a "dictionary attack"

Question:* IEEE 802.11i is also referred to as:

Answer: • WPA2

Question:* Which of the following can be effectively used to restrict unnecessary traffic on your wireless network?

Answer: • Firewall

Question:* Some wireless routers provide QoS to help prioritize traffic. What does QoS stand for?

Answer: • Quality of Service

Question:* The diameter of a hotspot area is about:

Answer: • 100-500 feet

Question:* In many cases municipal wifi networks are being created with a combination of:

Answer: • wimax and wifi

Question:* What does DNS stand for?

Answer: • Domain Name System

Question:* Which one is the most secure?

Answer: • WPA2

Question:* The radio waves of a WLAN are generated by which device?

Answer: • router

Question:* Which of the following ISM bands is likely to be the most heavily populated?

Answer: • 2.4 GHz

Question:* The wavelength of an electromagnetic signal is inversely proportional to what other feature of that signal?

Answer: • the signal's frequency

Question:* The Wired Equivalent Privacy (WEP) security algorithm was first introduced in 1997 by what professional association?

Answer: • IEEE

Question:* When you connect to a wireless network, you are assigned an IP address. What is an IP address?

Answer: • Internet Protocol address used to identify computers on the network

Question:* Wifi was built to move:

Answer: • data traffic

Question:* WPA2 increased the security of WPA from 128 bits to how many bits?

Answer: • 256 bits

Question:* What does AP stand for?

Answer: • access point

Question:* By using this type of wireless connection, you computer is secure from prying eyes:

Answer: • Encrypted

Question:* True or false? Wimax offers larger coverage areas with greater bandwidth and speeds compared to wifi.

Answer: • True

Question:* Wifi works on radio band:

Answer: • 802.11

Question:* Which of the following can redirect an Internet signal to multiple end users?

Answer: • router

Question:* Which of the following devices would definitely not use WiFi?

Answer: • (none of these)

Question:* Wifi is used to connect devices to:

Answer: • Internet

Question:* A specific location in which an end user can access the Internet wirelessly:

Answer: • access point

Question:* What does the W in WLAN stand for?

Answer: • wireless

Question:* What is the term assocaited with DHCP that allows your computer to acces other computers outside your network?

Answer: • Gateway

Question:* Which of the following may cause transmission interference with a wireless sign?

Answer: • (all of these)

Question:* Which frequencies does Wifi use to transmit data?

Answer: • radio

Question:* True or False? The more users that share an access point, the slower a wireless network can become.

Answer: • True

Question:* An IPaddress gets assigned to a computer by a wireless router. what performs this?

Answer: • DHCP

Question:* What does the term WLAN refer to?

Answer: • Wireless Local Area Network

Question:* What is the most basic difference between a WLAN and an Ethernet LAN?

Answer: • A WLAN uses radio waves, while a Ethernet LAN uses some form of cable.

Question:* When trying to connect to a wireless network, at times it's name is hidden. What is the technical term for this wireless name?

Answer: • SSID

Question:* Which of the following allows your computer to send and receive wireless signals to and from the internet?

Answer: • wireless network interface card