Network+ Ch. 4

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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: ​network interface device ​main distribution frame ​intermediate distribution frame ​entrance facility

​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: ​network interface device ​main distribution frame ​intermediate distribution frame ​entrance facility

1522 bytes

What is the maximum frame size ​for Ethernet II frames on a VLAN? ​1500 bytes ​1518 bytes ​1522 bytes ​1496 bytes

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?​ inverter​ ​rectifier ​transformer ​voltage regulator

​half duplex

​Which method of transmission allows signals to travel in both directions over a medium but in only one direction at a time? ​full duplex ​half duplex ​simplex ​multiplex

​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?​ ​KVM switch ​AVR switch terminal server ​multi-monitor breakout cable

​110 block

When selecting a punch down block, what block type is more suitable for data connections?​ ​10 block ​22 block ​66 block ​110 block

​in the Main Distribution Frame (MDF)

Where is a demarc located in relation to the structured cabling of an enterprise environment?​ ​in the Main Distribution Frame (MDF) ​at the Intermediate Distribution Frame (IDF) at ​the entrance facility ​between the MDF and the IDF

full-duplex

Which method of transmission allows signals to travel in both directions over a medium simultaneously?​ ​half duplex ​simplex ​full-duplex ​multiplex

​iSCSI

​If the use of a pre-existing Ethernet infrastructure is desired for a SAN, what Transport Layer protocol should be utilized? ​Fibre Channel ​iSCSI ​SAS ​PATA

​Fiber optic

​What cable type comes in two different modes, single mode and multimode? ​UTP ​STP ​Fiber optic ​Coaxial

​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? ​horizontal cross connect ​patch cable ​vertical cross connect ​diagonal 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? ​No more than 1 inch of the cable should be exposed. ​ 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. ​ Each pair should be twisted around another pair to reduce cross talk.

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? ​No more than 1 inch of the cable should be exposed. ​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. ​Each pair should be twisted around another pair to reduce cross talk.

​Layer 2

Ethernet exists at what layer of the OSI model?​ ​Layer 1 ​Layer 2 ​Layer 3 ​Layer 4


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