Exam (elaborations)
RCDD PRACTICE TEST 2 EXAM STUDY MATERIALS QUESTION AND ANSWERS (VERIFIED A
- Course
- Institution
RCDD PRACTICE TEST 2 EXAM STUDY MATERIALS QUESTION AND ANSWERS (VERIFIED A
[Show more]
Content preview
ESTUDYRCDD PRACTICE TEST 2 EXAM STUDY MATERIALS
QUESTION AND ANSWERS (VERIFIED ANSWERS)
1. **Which of these cables is immune to electromagnetic interference?**
- A) Optical Fiber
- B) Balanced Twisted-Pair
- C) Coaxial
- D) Unshielded Twisted-Pair
**ANSWER:** A) Optical Fiber
2. **What term describes the transmission of signals in both directions at the same time?**
- A) Simplex
- B) Half-duplex
- C) Full duplex
- D) Bidirectional
**ANSWER:** C) Full duplex
3. **What term refers to signal interference between cable pairs?**
- A) Crosstalk
- B) Impedance
- C) Delay skew
- D) Power Loss
,ESTUDY
**ANSWER:** A) Crosstalk
4. **Series-6 and Series-11 coaxial cables have a characteristic impedance of ___ ohms.**
- A) 25
- B) 75
- C) 100
- D) 150
**ANSWER:** B) 75
5. **Balanced twisted-pair cables have a nominal characteristic impedance of ________ ohms at 100
MHz.**
- A) 25
- B) 75
- C) 100
- D) 150
**ANSWER:** C) 100
6. **Which material sets the standard for comparing the conductivity of metallic cabling?**
- A) Copper
- B) Gold
- C) Silver
- D) Aluminum
,ESTUDY
**ANSWER:** A) Copper
7. **Which optical fiber interface has an SFF design and a simplex connector that can be converted to a
duplex using a clip?**
- A) LC-style optical fiber connector
- B) ST-style optical fiber plugs
- C) SC-style optical fiber plugs
- D) MTP/MPO connector
**ANSWER:** A) LC-style optical fiber connector
8. **What are the two most popular core sizes in multimode optical fiber?**
- A) 8 μm to 11 μm
- B) 50 μm to 125 μm
- C) 62.5 μm and 50 μm
- D) 100 μm and 250 μm
**ANSWER:** C) 62.5 μm and 50 μm
9. **Which type of optical fiber has a small diameter with a core size of 8 μm to 11 μm?**
- A) OS2
- B) OM3
- C) OM4
- D) OM5
**ANSWER:** A) OS2
, ESTUDY
10. **What are the two major classifications of optical fiber?**
- A) Multimode and singlemode
- B) LED and VSCEL
- C) Inside plant (ISP) and outside plant (OSP)
- D) Backbone and horizontal
**ANSWER:** A) Multimode and singlemode
11. **What is the minimum number of telecommunications rooms required per floor?**
- A) No minimum is required
- B) 1
- C) 2
- D) 3
**ANSWER:** B) 1
12. **Multiple telecommunications rooms (TRs) are required if the cable length between the horizontal
cross-connect/floor distributor (HC/FD) and the telecommunications outlet location, including slack,
exceeds ___________.**
- A) ≈15 m (50 ft)
- B) ≈30.5 m (100 ft)
- C) ≈45.8 m (150 ft)
- D) ≈90 m (295 ft)
**ANSWER:** D) ≈90 m (295 ft)
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Estudyr. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79271 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now