fluorescent lights or other sources of EMI should cable be installed

fluorescent lights or other sources of EMI should cable be installed

Noise

 

·         What type of power flaw involves a fluctuation in voltage levels caused by other devices on the network or by EMI?​

 

1.4​

 

·         ​One watt is equal to how many volt-amps?

 

100 m

 

·         ​What is the maximum allowable distance for horizontal wiring?

 

bend radius​

 

·         The radius of the maximum arc into which you can loop a cable without impairing data transmission is known as what option below?​

 

at least 3 feet

 

·         How far away from fluorescent lights or other sources of EMI should cable be installed?​

 

​42U

 

·         What is the industry standard for rack height in rack units?​

 

​full-duplex

 

·         Which method of transmission allows signals to travel in both directions over a medium simultaneously?​

 

​half duplex

 

·         ​Which method of transmission allows signals to travel in both directions over a medium but in only one direction at a time?

 

Layer 2

 

·         Ethernet exists at what layer of the OSI model?​

 

​1522 bytes.

 

·         What is the maximum frame size ​for Ethernet II frames on a VLAN?

 

110 block

 

·         When selecting a punch down block, what block type is more suitable for data connections?​

 

vertical cross connect

 

·         ​What component of the backbone runs between a building's floors and can be used to connect an MDF and IDF or multiple IDFs?

 

​in the Main Distribution Frame (MDF)

 

·         Where is a demarc located in relation to the structured cabling of an enterprise environment?​

 

​entrance facility

 

·         Select the component of enterprise level structured cabling that serves as the location where an incoming network interface enters a building and connects with the building's backbone cabling:

 

No more than 1 inch of the cable should be exposed.

 

·         ​During termination of twisted pair cabling, what should be done to ensure minimal cross talk is introduced?

 

​Fiber optic

 

·         ​What cable type comes in two different modes, single mode and multimode?

 

fiber optic cables

 

·         Which of the following options is not a likely source of electromagnetic interference?​

 

​KVM switch

 

·         In order to simplify console access to computers in a rack, what device is typically used to provide a central portal for all devices on the rack?​

 

iSCSI

 

·         If the use of a pre-existing Ethernet infrastructure is desired for a SAN, what Transport Layer protocol should be utilized?

 

Transformer

 

·         What type of power converter changes the voltage of an AC current, such as when power over the main line from an electric company is changed before being delivered to a home?​

 

Wi-Fi

 

·         Which one of the following wireless transmission types doe NOT require a clear LOS to function?

 

Class 1

 

·         Which Bluetooth class has the highest power output?