Which part of a toner and probe kit emits a tone when it detects electrical activity on a wire pair?
a.
Probe
b.
Tone generator
c.
Toner probe
d.
Toner
Definition
Probe
Term
A _____________ cable reverses all of the wires without regard to how they are paired.
Definition
rollover
Term
What signal propagation phenomena causes the diffusion, or the reflection in multiple different directions, of a signal?
a.
b.
c.
d.
Definition
b. scattering
Term
Which 802.11 standard can be used in both the 2.4-GHz and the 5-GHz bands?
a.
802.11a
b.
802.11n
c.
802.11g
d.
802.11b
Definition
b. 802.11n
Term
What is the maximum theoretical throughput of 802.11n?
a.
b.
c.
d.
Definition
a. 600 Mbps
Term
Which 802.11 technology is the first Wi-Fi standard to approach gigabit Ethernet capabilities, and operates on the 5 GHz band?
a.
b.
c.
d.
Definition
b. 802.11ac
Term
In which layer(s) of the OSI model do NICs operate?
a.
Layers 5, 6, and 7
b.
Layer 4
c.
Layers 1 and 2
d.
Layers 2 and 3
Definition
c. Layers 1 and 2
Term
Select the maximum allowable distances for horizontal wiring for a span that connects a data jack on a wall to a data closet, and for a span that connects a workstation to the data jack, respectively: (two answer question)
a.
b.
c.
d.
Definition
90m and 10m
Term
What is the maximum allowable distance for horizontal wiring?
a.
b.
c.
d.
Definition
d. 100m
Term
A volt-ampere (VA) is the product of the voltage and the ________________ of the electricity on a line.
Definition
current
Term
What term below is used to describe the outer-most layer of protective covering of a coaxial cable?
a.
b.
c.
d.
Definition
d. sheath
Term
A ______________ is a voltage, frequency, pulse, or phase change in an analog transmission.
Definition
symbol
Term
The most common multiplexing technology used in conjunction with fiber optics is which option below?
a.
b.
c.
d.
Definition
a. DWDM
Term
What is the earliest twisted-pair cabling standard that meets the minimum requirements for 10GBase-T transmissions?
a.
Cat 6a
b.
Cat 5e
c.
Cat 5
d.
Cat 6
Definition
d. Cat 6
Term
Select the maximum allowable distances for horizontal wiring for a span that connects a data jack on a wall to a data closet, and for a span that connects a workstation to the data jack, respectively: (two answer question)
a. 5m
b. 10m
c. 100m
d. 90m
Definition
90m and 10m
Term
Ethernet exists at what layer of the OSI model?
a.
b.
c.
d.
Definition
a. Layer 2
Term
What is the maximum theoretical throughput of 802.11n?
a. 65 Mbps
b. 1.3 Gbps
c. 54 Mbps
d. 600 Mbps
Definition
d. 600 Mbps
Term
What 802.11 frame type is involved in association and reassociation, including probe and beacon frames?
a.
b.
c.
d.
Definition
a. management frames
Term
In an 802.11 data frame, what is the size of the frame check sequence field?
a.
b.
c.
d.
Definition
d. 6 bytes
Term
At which two layers do wireless LANs operate?
a. Layer 3
b. Layer 1
c. Layer 2
d. Layer 4
Definition
Layer1 and layer 2
Term
Which 802.11 technology is the first Wi-Fi standard to approach gigabit Ethernet capabilities, and operates on the 5 GHz band?
a.
b.
c.
d.
Definition
a. 802.11ac
Term
What is the max frame size for ethernet II frames on a VLAN?
a. 1496 bytes
b. 1518 bytes
c. 1522 bytes
d. 1500 bytes
Definition
c. 1522 bytes
Term
When selecting a punch down block, what block type is more suitable for data connections?
a.
b.
c.
d.
Definition
b. 110 block
Term
____________ causes problems only when a receiving node is expecting some type of communication, such as the rest of the data stream it has begun to accept.
Definition
latency
Term
Which type of multiplexing is defined by wavelength instead of frequency?
a.
b.
c.
d.
Definition
d. CDWM
Term
The wireless spectrum, as defined by the FCC, spans between which two frequencies?
a. 500 GHz
b. 300 GHz
c. 2 KHz
d. 9 KHz
Definition
d. 9 KHz and b. 300 GHz
Term
To ensure that any _____________ are detected, frames are made large enough to fill the entire cable during transmission.
Definition
collisions
Term
What is the max theoretical throughput of the 802.11ac wireless technology when using Wave 1 devices?
a. 6.93 Mbps
b. 3.47 Gbps
c. 600 Mbps
d. 1.3 Gbps
Definition
d. 1.3 Gbps
Term
What is the maximum supported throughput and bandwidth / signal rate of Cat 5e?
a. 350 Mhz
b. 100 Mbps
c. 100 Mhz
d. 1000 Mbps
Definition
a. 350 Mhz and d. 1000 Mbps
Term
Which kind of multiplexing assigns slots to nodes according to priority and need?
a.
TDM (time division multiplexing)
b.
Statistical multiplexing
c.
WDM (wavelength division multiplexing)
d.
CWDM (coarse wavelength division multiplexing)
Definition
b. Statistical multiplexing
Term
Select the component of enterprise level structured cabling that serves as the location where an incoming network interface enters a building and connects with the building's backbone cabling:
a.
b.
c.
d.
Definition
d. entrance facility
Term
What is the lowest layer of the OSI model at which wired and wireless transmissions share the same protocols?
a.
Layer 1
b.
Layer 2
c.
Layer 3
d.
Layer 4
Definition
c. Layer 3
Term
Frequencies used to convey speech over telephone lines fall between what two frequencies below?
a.
b.
c.
d.
Definition
a. 3.3 Khz and c. 300 Hz
Term
Select below the band that is not one of the four frequency bands used in the 5 GHz range for wireless LANs:
a.
b.
c.
d.
Definition
a. 5.9 Ghz (the biggest of them)
Term
Which 802.11 technology is the first Wi-Fi standard to approach gigabit Ethernet capabilities, and operates on the 5 GHz band?
a.
b.
c.
d.
Definition
d. 802.11ac
Term
At which two layers do wireless LANs operate?
a. Layer 1
b. Layer 2
c. Layer 3
d. Layer 4
Definition
Layers 1 and 2
Term
Phone companies make use of what type of multiplexing in order to allow for phone services and DSL services over the same line?
a.
b.
c.
d.
Definition
d. FDM
Term
A hacker takes advantage of a Bluetooth connection to send a virus to a user’s phone. What kind of security breach has occurred?
a.
b.
c.
Bluesnarfing
d.
Bluejacking
Definition
c. Bluesnarfing
Term
Access points that include routing functions are also called _______________
Definition
wireless routers
Term
What Ethernet standard below is also referred to as "thinnet"?
a.
b.
c.
d.
Definition
c. 10Base2
Term
A _____________ allows for an MTU as high as 9198 bytes.
Definition
jumbo frame
Term
What is the maximum theoretical throughput of 802.11n?
a.
b.
c.
d.
Definition
b. 600 Mbps
Term
Which Bluetooth class has the highest power output?
a.
Class 3
b.
Class 2
c.
d.
NFC
Definition
c. Class 1
Term
In an 802.11 data frame, what is the size of the frame check sequence field?
a.
b.
c.
d.
Definition
6 bytes
Term
Ideally, stations must remain within what range of an access point in order to maintain optimal transmission speeds?
a.
b.
c.
d.
Definition
300 Feet
Term
_________________ is an outdated wireless technology that has been mostly replaced by Bluetooth to connect personal devices.
Definition
Infrared (IR)
Term
A ______________ is a voltage, frequency, pulse, or phase change in an analog transmission.
Definition
symbol
Term
What is the earliest twisted-pair cabling standard that meets the minimum requirements for 10GBase-T transmissions?
a.
Cat 6
b.
Cat 5
c.
Cat 5e
d.
Cat 6a
Definition
Cat 6
Term
To ensure that any _____________ are detected, frames are made large enough to fill the entire cable during transmission.
