Zusammenfassung der Ressource
Frage 1
Frage
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?
Antworten
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Only the devices that use cables are using Ethernet.
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Only the devices that use wireless are using Ethernet.
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Both the devices using cables and those using wireless are using Ethernet.
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None of the devices are using Ethernet.
Frage 2
Frage
Which of the following Ethernet standards defines Gigabit Ethernet over UTP cabling?
Antworten
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10GBASE-T
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100BASE-T
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1000BASE-T
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None of these
Frage 3
Frage
Which of the following is true about Ethernet crossover cables for Fast Ethernet?
Antworten
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Pins 1 and 2 are reversed on the other end of the cable.
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Pins 1 and 2 on one end of the cable connect to pins 3 and 6 on the other end of the cable.
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Pins 1 and 2 on one end of the cable connect to pins 3 and 4 on the other end of the cable.
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The cable can be up to 1000 meters long to cross over between buildings.
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None of these
Frage 4
Frage
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.)
Frage 5
Frage
Which of the following is true about the CSMA/CD algorithm?
Antworten
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The algorithm never allows collisions to occur.
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Collisions can happen, but the algorithm defines how the computers should notice a collision and how to recover.
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The algorithm works with only two devices on the same Ethernet.
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None of these
Frage 6
Frage
Which of the following is true about the Ethernet FCS field?
Antworten
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Ethernet uses FCS for error recovery.
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It is 2 bytes long.
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It resides in the Ethernet trailer, not the Ethernet header.
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It is used for encryption.
Frage 7
Frage
Which of the following are true about the format of Ethernet addresses? (Choose three answers.)
Antworten
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Each manufacturer puts a unique OUI code into the first 2 bytes of the address.
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Each manufacturer puts a unique OUI code into the first 3 bytes of the address.
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Each manufacturer puts a unique OUI code into the first half of the address.
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The part of the address that holds this manufacturer’s code is called the MAC
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The part of the address that holds this manufacturer’s code is called the OUI.
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The part of the address that holds this manufacturer’s code has no specific name.
Frage 8
Frage
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.)
Antworten
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Burned-in address
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Unicast address
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Broadcast address
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Multicast address