BICSI Registered Communications Distribution Designer - RCDD - RCDD-002 模擬練習
Which device supplies the radio signal into a DAS (distributive antenna system)?
正解: A
If you are using a building automation system (BAS) protocol operating on RF media at 19,200 b/s in the 868 MHz band, which protocol are you using?
正解: B
Which of the following is NOT a type of intrusion detection system sensor?
正解: E
When designing a campus distribution system involving small buildings with only one horizontal cross-connect (HC) [Floor distributor (FD)] per building, you can eliminate the need for a(n):
正解: C
MAC addresses are _____________ bits in length.
正解: A
What type of redundancy provides two complete units, modules, paths or systems for every one required for a base system.
正解: C
Vertical conduit masts (with approved service heads) are limited to drop-wire attachments of up to ________ lines.
正解: A
You are placing an entrance cable between two buildings connected by a conduit 205.3 m (588 ft) in length.
What would be the MAXIMUM length of unlisted OSP cable that could be used before you terminate the cable or transition it to a listed cable?
What would be the MAXIMUM length of unlisted OSP cable that could be used before you terminate the cable or transition it to a listed cable?
正解: C
A telephone facility and an electrical facility are required in a tunnel. To reduce the effects of EMI and eliminate the need for additional shielding of the cables, where would each facility be placed?
正解: B
Which of the following is a nonmechanical firestop system?
正解: B