CompTIA认证考试

Which of the following SCSI signaling systems uses one return line for every outgoing line， is less susceptible to interference， signal degradation， crosstalk， and allows a cable length of up to 25 meters？（）A、 SE （Single Ended）B、 DE （Double Ended）C、 LVD （

题目

Which of the following SCSI signaling systems uses one return line for every outgoing line， is less susceptible to interference， signal degradation， crosstalk， and allows a cable length of up to 25 meters？（）

  • A、 SE （Single Ended）
  • B、 DE （Double Ended）
  • C、 LVD （Low Voltage Differential）
  • D、 HVD （High Voltage Differential）
如果没有搜索结果，请直接 联系老师 获取答案。
如果没有搜索结果，请直接 联系老师 获取答案。
相似问题和答案

第1题：

To “EASE” A LINE means to ___ .

A.cast off

B.double up so that one line does not take all the strain

C.pay out line to remove most of the tension

D.slack it off quickly


正确答案：C

第2题：

Which of the following command line utilities allows a technician to create a new directory?()

A.RD

B.CD

C.DIR

D.MD


参考答案：D

第3题：

Which of the following depreciation methods provides for accelerated depreciation of an asset:

A . Double declining balance.

B . Straight line.

C . Exponential depreciation

D . Double sum of the years digits

E . Double increasing balance


正确答案：A

第4题：

WhichofthefollowingSCSIsignalingsystemsusesonereturnlineforeveryoutgoingline,islesssusceptibletointerference,signaldegradation,crosstalk,andallowsacablelengthofupto25meters?()

A.SE（SingleEnded）

B.DE（DoubleEnded）

C.LVD（LowVoltageDifferential）

D.HVD（HighVoltageDifferential）


参考答案：D

第5题：

After 100 meters (328 feet), CAT6 cabling is known to experience which of the following symptoms?()

A. Signal loss

B. Signal bleed

C. Data collision

D. Crosstalk


参考答案：A

第6题：

Given:Which two methods, inserted independently at line 17, correctly complete the Sales class?()

A.double getSalesAmount() { return 1230.45; }

B.public double getSalesAmount() { return 1230.45; }

C.private double getSalesAmount() { return 1230.45; }

D.protected double getSalesAmount() { return 1230.45; }


参考答案：B, D

第7题：

Which of the following is the MAXIMUM cable length for 802.3 Ethernet?()

A. 33 Feet (10 meters)

B. 100 Feet (30 meters)

C. 328 Feet (100 meters)

D. 1200 Feet (366 meters)


参考答案：C

第8题：

In line 2 (Pare. 2), the word "it" refers to which of the following phrases?

A. "the intention" (line 1)

B. "the collection" (line 1)

C. "one member" (line 1)

D. "each flower family" (line 1)


正确答案：B

34．答案为B。此处考察代词的指代用法。It指前一句的表语从句，to have the collection represent at least one member of each flower family native to the United States。

第9题：

Which of the following technologies was created to reduce cost, increase cable length, and uses 3.3v across the line?()

A. Wide-Ultra2 SCSI-3

B. High-Voltage Differential

C. Low-Voltage Differential

D. Fibre Channel


参考答案：C

第10题：

Which of the following is the MAXIMUM cable length for 802.3 Ethernet?（）

  • A、33 Feet (10 meters)
  • B、100 Feet (30 meters)
  • C、328 Feet (100 meters)
  • D、1200 Feet (366 meters)

正确答案:C

更多相关问题
相关内容