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CTDC Sample Exam Questions and Answers
| QUESTION: 1 |
| In TIA-942, which type of cabling system is commonly recommended for data centers? Option A: Category 7 Option B: Category 6 Option C: Category 3 Option D: Category 5e |
| Correct Answer: A |
| QUESTION: 2 |
| How does implementing access control lists (ACLs) enhance network security within a data center? Option A: It filters incoming and outgoing traffic based on predetermined criteria Option B: It increases server uptime Option C: It automates software deployment Option D: It reduces cooling costs |
| Correct Answer: A |
| QUESTION: 3 |
| What is the significance of redundancy in power distribution systems for data centers? Option A: Ensuring uninterrupted operation in case of power failure Option B: Storing surplus office supplies Option C: Providing energy-efficient lighting solutions Option D: Using ergonomic chairs for IT staff |
| Correct Answer: A |
| QUESTION: 4 |
| What is the role of physical access control in a data center environment? Option A: To monitor server performance metrics Option B: To restrict entry to authorized personnel only Option C: To control temperature fluctuations Option D: To regulate network bandwidth usage |
| Correct Answer: B |
| QUESTION: 5 |
| What are the advantages of using static transfer switches (STS) in data center electrical design? Option A: They regulate voltage fluctuations within a narrow range Option B: They enable seamless switching between power sources without interruption Option C: They eliminate the need for backup generators Option D: They reduce energy consumption through efficient power routing |
| Correct Answer: B |
| QUESTION: 6 |
| What is the primary consideration when designing a mechanical system for a data center according to TIA- 942 standards? Option A: Cable routing Option B: Power distribution Option C: Structural integrity Option D: Thermal management |
| Correct Answer: D |
| QUESTION: 7 |
| How does the implementation of intelligent power management systems optimize energy usage in data centers? Option A: By dynamically adjusting power distribution based on real-time demand Option B: By disabling idle servers during off-peak hours Option C: By upgrading outdated hardware components Option D: By replacing traditional batteries with renewable energy sources |
| Correct Answer: A |
| QUESTION: 8 |
| Which design approach is most effective for managing heat dissipation in large-scale data centers? Option A: Positioning servers near windows for natural cooling Option B: Using server racks without ventilation slots Option C: Installing hot aisle containment systems Option D: Painting server racks with heat-reflective paint |
| Correct Answer: C |
| QUESTION: 9 |
| When designing structured cabling for a multimedia conference room, what consideration is crucial for supporting high-definition video streaming? Option A: Implementing color-coded patch cords Option B: Using plenum-rated cables for fire safety Option C: Installing cable trays above ceiling tiles Option D: Ensuring sufficient bandwidth and low latency |
| Correct Answer: D |
| QUESTION: 10 |
| What is a major consideration when planning the physical layout of a data center? Option A: Availability of software licenses Option B: Adequate ventilation and cooling Option C: Types of antivirus software used Option D: Color scheme of the server racks |
| Correct Answer: B |
| QUESTION: 11 |
| In TIA-942 standards, what is the recommended redundancy level for electrical distribution systems in Tier III data centers? Option A: N Option B: 2N Option C: N+1 Option D: 2N+1 |
| Correct Answer: B |
| QUESTION: 12 |
| What is the role of a firestop in a data center? Option A: To prevent the spread of fire through cable openings Option B: To optimize server performance Option C: To regulate cooling temperatures Option D: To monitor network traffic |
| Correct Answer: A |
| QUESTION: 13 |
| How does the design of electrical distribution circuits impact the scalability of a data center infrastructure? Option A: It optimizes data transmission speeds between server clusters Option B: It reduces the need for redundant power backups Option C: It limits the number of devices that can be connected to a single circuit Option D: It allows for the addition of new servers and equipment without disrupting existing operations’ |
| Correct Answer: D |
| QUESTION: 14 |
| What is the purpose of conducting load flow analysis in electrical design for data centers? Option A: To determine peak load Option B: To ensure redundancy Option C: To optimize cable routing Option D: To calculate harmonics |
| Correct Answer: A |
| QUESTION: 15 |
| When selecting fiber optic cables for long-distance transmission, what characteristic is most critical for maintaining signal integrity? Option A: Cable jacket material and color Option B: Number of connectors per cable run Option C: Mode and core diameter Option D: Cable termination technique |
| Correct Answer: C |
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