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2018 May CompTIA Official New Released JK0-023
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CompTIA Network certification
Question No: 211 – (Topic 3)
In the 2.4GHz range, which of the following channel combinations are non-overlapping?
A. 1, 6, 11
B. 2, 7, 10
C. 2, 8, 13
D. 3, 6, 9
Answer: A
Question No: 212 – (Topic 3)
Karen, a technician, is installing network cables for an office building. Some of the cables are not showing active on the switch even when moved to different ports. Which of the following is MOST likely the cause?
-
Port speed mismatch
-
Faulty F-connectors
-
Bad wiring
-
Bad switch
Answer: C
Question No: 213 – (Topic 3)
CAT6 Ethernet cabling has a rated maximum transmission capability of:
-
10Mbps
-
100Mbps
-
20,000Mbps
-
10,000Mbps
Answer: D
Question No: 214 – (Topic 3)
Users notice a problem with their network connectivity when additional lights are turned on. Which of the following would be the cause for this problem?
-
DDOS
-
Cross talk
-
Open short
-
EMI
Answer: D
Question No: 215 – (Topic 3)
802.11n can operate at which of the following frequencies? (Select TWO).
-
2.4Mhz
-
2.5Mhz
-
5Mhz
-
2.4Ghz
-
2.5Ghz
-
5Ghz
Answer: D,F
Question No: 216 – (Topic 3)
MIMO technology in the 802.11n standard provides for which of the following benefits?
-
Channel expansion
-
Gigabit wireless bandwidth
-
Multipath support
-
Channel bonding
Answer: C
Question No: 217 – (Topic 3)
Which of the following fiber types is MOST often used indoors?
-
Plenum
-
Modal conditioning
-
Multimode
-
Singlemode
Answer: C
Question No: 218 – (Topic 3)
Which of the following technologies is used on cellular networks?
-
Ethernet
-
CDMA
-
CSMA/CA
-
POTS
Answer: B
Question No: 219 – (Topic 3)
Which of the following spreads out each of the individual wires of a UTP cable onto their own metal connector?
-
BNC connection
-
110 block
-
Plenum
-
LC connector
Answer: B
Question No: 220 – (Topic 3)
Which of the following connector types would Sandy, a network technician, use to connect a serial cable?
-
RJ-11
-
BNC
-
LC
-
DB-9
Answer: D
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