428943
Description
Flashcards by ehmartinson, updated more than 1 year ago
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Created by ehmartinson
almost 11 years ago
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| Question | Answer |
| Describe the network scenario caused by having one Collision Domain. | One device sends a packet on the network segment and forces every other device to pay attention to it. |
| What physical devices create a broadcast domain boundary. | Switches and Repeaters |
| Describe what the Jam signal does in the CSMA/CD protocol. | Causes all hosts in the segment to stop sending data. |
| What happens if a collision keeps occurring after 15 tries in the CSMA/CD protocol? | The host attempting to transmit times out. |
| How many wire pair(s) do you use for half-duplex? | 1 wire pair |
| How many wire pair do you use for full-duplex? | 2 wire pair. |
| How many bits in a nibble? | 4 bits |
| How many bits in a byte? | 8 bits |
| Name two things Ethernet at the Data Link layer is responsible for? | 1. Ethernet Addressing or Hardware/MAC addressing. 2. Framing packets from the Network Layer and prepping for transmission on the local media. |
| Convert Hex value of D to Decimal | 13 |
| Convert Binary value of 1001 to Decimal | 9 |
| Convert Decimal value of 15 to Binary | 1111 |
| Convert Decimal value of 224 into Binary | 11100000 |
| Convert Binary value of 11110001 into decimal | 241 |
| Convert binary value of 10101111 into hex | AF |
| What is the OUI of a MAC address? | A value assigned by IEEE to an organization. Organizationally Unique Identifier |
| How many bits are in a MAC address? | 48 bits |
| What if the IG bit is set to 1 on a MAC address? | It is a broadcast or multicast address. |
| What if the GL bit on a MAC address is set to 0? | It is a globally administered address. |
| What is it called when you combine two or more network interfaces for redundancy and/or increased throughput? | Channel Bonding |
| What IEEE number is used for 10Mbps network that runs on coax,twisted pair, or fiber. | 802.3 |
| What type of Ethernet is IEEE 802.3u | Fastethernet 100Mb |
| What IEEE number is used to describe Gigabit Ethernet on Cat5+ | 802.3ab |
| What IEEE number is used to describe 10Gpbs over fiber and coax? | 802.3ae |
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