DIKTA ICND1 Ch 2

Brian Gamble
Quiz by , created over 3 years ago

Fundamentals of Ethernet LANs

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Brian Gamble
Created by Brian Gamble over 3 years ago
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Question 1

Question
In the LAN for a small office, some user devices connect to the LAN using a cable, while others connect using wireless technology (and no cable). Which of the following is true regarding the use of Ethernet in this LAN?
Answer
  • Only the devices that use cables are using Ethernet.
  • Only the devices that use wireless are using Ethernet.
  • Both the devices using cables and those using wireless are using Ethernet.
  • None of the devices are using Ethernet.

Question 2

Question
Which of the following Ethernet standards defines Gigabit Ethernet over UTP cabling?
Answer
  • 10GBASE-T
  • 100BASE-T
  • 1000BASE-T
  • None of these

Question 3

Question
Which of the following is true about Ethernet crossover cables for Fast Ethernet?
Answer
  • Pins 1 and 2 are reversed on the other end of the cable.
  • Pins 1 and 2 on one end of the cable connect to pins 3 and 6 on the other end of the cable.
  • Pins 1 and 2 on one end of the cable connect to pins 3 and 4 on the other end of the cable.
  • The cable can be up to 1000 meters long to cross over between buildings.
  • None of these

Question 4

Question
Each answer lists two types of devices used in a 100BASE-T network. If these devices were connected with UTP Ethernet cables, which pairs of devices would require a straight-through cable? (Choose three answers.)
Answer
  • PC and router
  • PC and switch
  • Hub and switch
  • Router and hub
  • Wireless access point (Ethernet port) and switch

Question 5

Question
Which of the following is true about the CSMA/CD algorithm?
Answer
  • The algorithm never allows collisions to occur.
  • Collisions can happen, but the algorithm defines how the computers should notice a collision and how to recover.
  • The algorithm works with only two devices on the same Ethernet.
  • None of these

Question 6

Question
Which of the following is true about the Ethernet FCS field?
Answer
  • Ethernet uses FCS for error recovery.
  • It is 2 bytes long.
  • It resides in the Ethernet trailer, not the Ethernet header.
  • It is used for encryption.

Question 7

Question
Which of the following are true about the format of Ethernet addresses? (Choose three answers.)
Answer
  • Each manufacturer puts a unique OUI code into the first 2 bytes of the address.
  • Each manufacturer puts a unique OUI code into the first 3 bytes of the address.
  • Each manufacturer puts a unique OUI code into the first half of the address.
  • The part of the address that holds this manufacturer’s code is called the MAC
  • The part of the address that holds this manufacturer’s code is called the OUI.
  • The part of the address that holds this manufacturer’s code has no specific name.

Question 8

Question
Which of the following terms describe Ethernet addresses that can be used to send one frame that is delivered to multiple devices on the LAN? (Choose two answers.)
Answer
  • Burned-in address
  • Unicast address
  • Broadcast address
  • Multicast address