Which is not a common type of external modem connector?
A) DB-9
B) DB-25
C) PS/2
D) RJ-45
Correct Answer:
Verified
Q48: Which is not an electrical switching method
Q49: The MNP _ provides for cell phone
Q50: The P in PBX stands for _.
A)point
B)private
C)primary
D)packet
Q51: Channel banks were first used in voice
Q52: Multiplexers work at the OSI _ layer.
A)Network
B)Data
Q54: A _ does not include a switchboard.
A)PBX
B)PAX
C)PABX
D)None
Q55: _ can be equipped with intelligence to
Q56: Which is not true about DSL?
A)The DSL
Q57: X.25, ISDN, and frame relay use _
Q58: The DOCSIS standards are associated with _.
A)cable
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