CHAPTER 2 DO I KNOW THIS ALREADY Flashcards
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 cables). Which of the following is true regarding the use of Ethernet in the LAN?
a) Only the Devices that use cables are using Ethernet.
b) Only devices using wireless are using Ethernet.
c) Both the devices using cables and those using wireless are using Ethernet.
d) None of these devices are using Ethernet.
a
Which of the following Ethernet standards define Gigabit Ethernet over UTP cabling?
a) 10GBASE-T.
b) 100BASE-T.
c) 1000BASE-T.
d) None of these answers is correct.
c
Which of the following is true about Ethernet crossover cables for Fast Ethernet?
a) Pins 1 and 2 are reversed on the other end of the cable.
b) Pins 1 and 2 on one end of the cable connect to pins 3 and 6 on the other end of the cable.
c) Pins 1 and 2 on one end of the cable connect to pins 3 and 4 on the other end of the cable.
d) The cable can be up to 1000 meters long to cross over between buildings.
e) None of the other answers is correct.
b
Each answer lists 2 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 3 answers)
a) PC and Router
b) PC and Switch
c) Hub and Switch
d) Router and Hub
e) Wireless access point (Ethernet port) and Switch
b, d, e
Which of the following is true about the CSMA/CD algorithm?
a) The algorithm never allows collisions to occur.
b) Collisions can happen, but the algorithm defines how the computers should notice a collision and how to recover.
c) The algorithm works with only 2 devices on the same Ethernet
d) None of these answers is correct.
b
Which of the following is true about the Ethernet FCS field?
a) Ethernet uses FCS for error recovery.
b) It is 2 bytes long.
c) It resides in the Ethernet trailer, not the Ethernet header.
d) It is used for encryption.
c
Which of the following are true about the format of Ethernet addresses? (choose 3 answers)
a) Each manufacturer puts a unique OUI code into the first 2 bytes of the address.
b) Each manufacturer puts a unique OUI code into the first 3 bytes of the address.
c) Each manufacturer puts a unique OUI code into the first half of the address.
d) The part of the address that holds this manufacturer’s code is called the MAC.
e) The part of the address that holds this manufacturer’s code is called the OUI.
f) The part of the address that holds this manufacturer’s code has no specific name.
b, c, e
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 2 answers)
a) Burned-in address
b) Unicast address
c) Broadcast address
d) Multicast address
c, d
