Correct! Correct! The router attempts to forward the traffic on a local network 0 / 1 pts Question 56 Where is a demarc located in relation to the structured cabling of an enterprise environment? at the Intermediate Distribution Frame (IDF) between the MDF and the IDF in the Main Distribution Frame (MDF) Correct Answer Correct Answer at the entrance facility You Answered You Answered 1 / 1 pts Question 57 Your campuswide WAN is experiencing slow Internet response times. When you call your Internet service provider to ask if they can troubleshoot the problem from their end, they warn you that their responsibilities end at the demarc. What do they mean? They will not diagnose problems beyond your organization’s IDF. They will not diagnose problems beyond your organization’s telco rooms. They will not diagnose problems beyond your organization’s entrance facilities. Correct! They will not diagnose problems beyond your organization’s MDF. 1 / 1 pts Question 58 In which OSI model layer(s) do NICs operate?
Network and Physical Physical and Data Link Correct! Correct! Physical Data Link
What generator component converts DC power from the generator to AC power that the electrical infrastructure in a data center can use? Transformer Voltage regulator Inverter Correct! Correct! Rectifier
1 / 1 pts Question 64 What device protects computer equipment from a momentary increase in voltage due to lightning strikes, solar flares, or electrical problems? Generator NAS Surge protector Correct! Correct! Power converter 1 / 1 pts Question 65 What is the maximum allowable distance for horizontal wiring? 90 ft 100 ft 90 m 100 m Correct! 1 / 1 pts Question 66 What are the two primary standard widths for rack systems? 1U and 4U 19 inches and 23 inches Correct! Correct! 18U and 42U 3 feet and 6 feet
1 / 1 pts Question 67 During termination of twisted pair cabling, what should be done to ensure minimal cross talk is introduced? Each pair should be twisted around another pair to reduce cross talk. No more than 1 inch of the cable should be exposed. Correct! Correct! No less than 1 inch of the cable should be exposed. Each pair should be stripped of insulation so that it doesn't get caught in the jack. 1 / 1 pts Question 68 Select the two terms below that are used to describe a UPS that provides continuous voltage to a device by switching virtually instantaneously to the battery when it detects a loss of power (select 2): failover power supply standby UPS Correct! Correct! standby power supply Correct! Correct! sag protector 1 / 1 pts Question 69 Providing a backup power source is called __________________. line conditioning power conversion
power inversion power redundancy Correct! Correct! 0 / 1 pts Question 70 Which method of transmission allows signals to travel in both directions over a medium but in only one direction at a time?
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- Fall '13