CompTIA认证考试BR0-002单项选择题每日一练(2018.09.30)

单项选择题
Which of the following Internet connection types has the highest amount of latency？（）
A.Satellite
B.DSL
C.Cable
D.Fiber
单项选择题
Which of the following cable types is the LEAST affected by EMI？（）
A.STP
B.Coax
C.UTP
D.Fiber
单项选择题
Which of the following devices sets the framing type on a T1 circuit？（）
A.Transceiver
B.Gateway Modem
C.Router
D.CSU/DSU
单项选择题
Which of the following cable standards has a maximum effective range of 25 meters （82 feet）？（）
A.1000Base-CX
B.1000Base-T
C.1000Base-LX
D.1000Base-SX
单项选择题
Which of the following network topologies offers the greatest protection against network outages due to a single line break？（）
A.Bus
B.Star
C.Mesh
D.Ring