Physical Layer
Numbers
Data Link Layer
Ethernet Switching
Potpourri
100

Wireless traffic operates in this duplex mode.

What is Half Duplex?

100

Convert 238 to binary

What is 11101110?

100

This is the purpose of Cyclic Redundancy Check (CRC) and FCS (Frame Check Sequence) in a frame.

What is error detection?

100

This is the broadcast MAC address for a network

What is FF:FF:FF:FF:FF:FF?

100

You can use this as an indicator as to whether Fiber Optic cabling is single or multi mode.

What is cable color?

200

The general term used when discussing the different types of connections between devices.

What is Media?
200

Convert 10010000 from binary to decimal

What is 144?

200

This Data Link Layer Sublayer is responsible for communicating with upper layer protocols.

What is Logical Link Control (LLC) sublayer?

200

This will happen if a host receives a frame with destination MAC address it does not recognize.

What is discard the frame?

200

This is used to prevent collisions when traffic is operating in Half Duplex Mode

What is CSMA/CA?

300

These three terms are used to measure quality of bandwidth in a network

What is Latency, Throughput, and Goodput

300

Convert 10011011 from binary to hexadecimal

What is 9B?

300

This WAN topology ensures highest fault tolerance.

What is Mesh?

300

This switching method views the first 64 bits of a frame for errors before forwarding the frame

What is Fragment-free switching?

300
List the four Layer 2 functions a router performs when receiving frames.

What are accept the frame, de-encapsulate the frame, re-encapsulate the frame, and forward the frame?

400

This term is used to describe the loss of signal strength as distance increases.

What is attenuation?

400

Convert 4A from hexadecimal to binary

What is 01001010?

400

Which media communication mode does not require contention based or controlled based access control?

What is Full Duplex?
400

This buffer type puts all frames into a common memory buffer shared by all ports to avoid frames having to be placed into different queues before being forwarded

What is shared memory buffer?

400

This Frame Forwarding method has the highest latency due to receiving the entire frame before making forwarding decisions.

What is Store-and-forward Switching?

500

This term is used to describe when one wave modifies another wave.

What is Modulation?

500

Convert the address 192.138.84.235 from decimal to hexadecimal.

What is C0:8A:54:EB?



500

These addresses are contained in an Ethernet header.

What are source and destination MAC address?

500

This feature on modern devices allows copper cabling to be used, regardless of type (straight-through or crossover)

What is auto-MDIX?

500

This subnet mask would be able to accommodate 50 hosts.

What is 255.255.255.192?