思科认证考试
Which of the following describes the roles of devices in a WAN?（）A、A CSU/DSU terminates a digital local loopB、A modem terminates a digital local loopC、A CSU/DSU terminates an analog local loopD、A modem terminates an analog local loopE、A router is commonly
题目
Which of the following describes the roles of devices in a WAN?（）
- A、A CSU/DSU terminates a digital local loop
- B、A modem terminates a digital local loop
- C、A CSU/DSU terminates an analog local loop
- D、A modem terminates an analog local loop
- E、A router is commonly consideredaDTEdevice
- F、A router is commonly considereda DCE device
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相似问题和答案
第1题：
单选题
Which of the following describes the model used by the Geodetic Extender?（）
A
Flat earth
B
3-D Square
C
Trapezoidal
D
Round earth
正确答案：
C
解析：
暂无解析
第2题：
单选题
Which of the following describes a secure connection over the Internet between two sites?（）
A
FTP
B
VLAN
C
VPN
D
HTTP
正确答案：
B
解析：
暂无解析
第3题：
Which of the following describes what the number two represents in l00Base2 cabling?（）
- A、Fiber
- B、Coaxial cable
- C、UTP
- D、Twisted pair
正确答案:B
第4题：
Which of the following describes an area where communications equipment is stored?（）
- A、HVAC
- B、MDF
- C、110 block
- D、Demarc
正确答案:B
第5题：
Which of the following BEST describes RAID 1?（）
- A、Mirroring
- B、Striping
- C、Striping with parity
- D、Striping with mirroring
正确答案:A
第6题：
Which of the following BEST describes a benefit of RAID 0?（）
- A、High fault tolerance
- B、Ease of failure recovery
- C、High performance
- D、No configuration
正确答案:C
第7题：
A wireless access point supports up to 20 clients. Which of the following describes this wirelessnetwork?（）
- A、Mesh
- B、Point to point
- C、Point to multipoint
- D、Ring
正确答案:C
第8题：
Which of the following BEST describes RAID 10？（）
- A、 Mirroring with striping
- B、 Mirroring with fault tolerance
- C、 Striping
- D、 Striping with distributed parity
正确答案:A