Term
| What does modem stand for? |
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Definition
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Term
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Definition
| Converts analog to digital and digital to analog |
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Term
| What are modems commonly used for now? |
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Definition
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Term
| What are the limitations of a modem? |
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Definition
| Limited frequencies and limited bandwidth |
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Term
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Definition
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Term
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Definition
| Repeats and regenerates a signal |
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Term
| What OSI layer does a repeater operate on? |
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Definition
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Term
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Definition
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Term
| What is the speed range for a hub? |
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Definition
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Term
| Which OSI layer do hubs operate on? |
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Definition
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Term
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Definition
| Connects different physical networks |
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Term
| A Bridge distributes traffic based on ________________. |
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Definition
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Term
| What OSI layer do bridges operate on? |
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Definition
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Term
| In a switch, bridging is done in _____________. |
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Definition
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Term
| What does ASIC stand for? |
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Definition
| Application Specific Integrated Circuit |
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Term
| What OSI layer do switches operate on? |
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Definition
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Term
| What is today's standard in networking infrastructure? |
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Definition
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Term
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Definition
| A wireless acces point, essentially a bridge with wireless capability |
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Term
| What OSI layer does a WAP operate on? |
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Definition
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Term
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Definition
| Routes traffic between IP subnets |
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Term
| What OSI Layer does a router operate on? |
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Definition
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Term
| What is a common secondary name for a router? |
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Definition
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Term
| What do we call a device that filters traffic by port number? |
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Definition
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Term
| What OSI Layer do Firewalls operate on? |
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Definition
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Term
| Where are firewalls normally located? |
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Definition
| At the egress/ingress point |
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Term
| What kind of device can encrypt traffic coming in and out of the network, and proxy traffic? |
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Definition
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Term
| What does a DHCP server do? |
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Definition
| Automatically assigns IP addresses |
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Term
| What is the difference between an IDS and an IPS? |
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Definition
| an IDS provides an alarm or alert of an intrusion, whereas an IPS stops an intrusion |
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Term
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Definition
| An exploit against a system |
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Term
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Definition
| Intrusion Detection System |
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Term
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Definition
| Intrusion Prevention System |
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Term
| What type of device will distribute a load over a cluster of servers? |
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Definition
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Term
| What is a method of load balancing that distributes a load based on content? |
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Definition
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Term
| What do we call a device that is a switch, router, firewall, load balancer, content switch, IDP/IPS, etc. combined into one device? |
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Definition
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Term
| What does a DNS server do? |
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Definition
| Converts domain names to IP addresses and vice versa |
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Term
| What is the name of a device that can set priorities on bandwidth for applications and can manage QoS? |
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Definition
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Term
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Definition
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Term
| What is a device that sits between the user and the internet and is able to cache information? |
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Definition
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Term
| What is used to connect routers to a WAN link? |
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Definition
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Term
| What does CSU/DSU stand for? |
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Definition
| Channel Service Unit/Data Service Unit |
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Term
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Definition
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Term
| What is the voltage provided by PoE? |
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Definition
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Term
| What is the amperage provided by PoE? |
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Definition
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Term
| What is the maximum load of PoE? |
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Definition
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Term
| Which PoE mode uses the pairs of wires not used for data? |
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Definition
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Term
| What pairs does PoE mode A use? |
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Definition
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Term
| What pairs does mode B use? |
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Definition
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Term
| What is STP designed to prevent? |
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Definition
| loops in switched/bridged networks |
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Term
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Definition
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Term
| What OSI layer does STP operate on? |
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Definition
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Term
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Definition
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Term
| What does RSTP stand for? |
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Definition
| Rapid Spanning Tree Protocol |
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Term
| What is the STP convergence time? |
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Definition
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Term
| What is the RSTP convergence time? |
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Definition
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Term
| In STP, what do we call the bridge with the lowest number? |
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Definition
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Term
| In STP, what are the three types of ports? |
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Definition
| Root Port, Designated Port, and Blocked Port |
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Term
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Definition
| Access, Security, and Changes |
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Term
| What do we call the practice of having multiple VLANs on a single wire? |
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Definition
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Term
| What is the Trunking protocol? |
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Definition
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Term
| What practice duplicates traffic on a physical port and sends a copy to an analyzer (SPAN)? |
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Definition
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Term
| What does SPAN stand for? |
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Definition
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Term
| What is the standard for physical port authentication? |
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Definition
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Term
| What methods do 802.1x authentications use? |
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Definition
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Term
| What does RADIUS stand for? |
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Definition
| Remote Access Dial In User Service |
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Term
| What does TACSACS+ stand for? |
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Definition
| Terminal Access Controller Access Control System Plus |
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Term
| What is the Windows default built in wireless configuration? |
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Definition
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Term
| What three Wireless channels do we use in the US to prevent interference? |
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Definition
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Term
| What does ESSID stand for? |
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Definition
| Extended Service Set Identification |
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Term
| What are the three major metrics for verifying wireless installations? |
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Definition
| Signal coverage, Potential Interference, Spectrum Analyzer |
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