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Self-Assessment Quiz

1
What is another term commonly used for frame?
A)Network
B)Packet
C)Pad
D)Segment
2
How are the connectors wired on a crossover cable?
A)One end is TIA/EIA 568A; the other end is TIA/EIA 568B.
B)Both ends are TIA/EIA 568A.
C)Both ends are TIA/EIA 568B.
D)One end is an RJ-45; the other end is an RG-6.
3
What items below make up the CSMA/CD system used in Ethernet networks?
A)Collision avoidance
B)Carrier sense
C)Multiple access
D)Collision detection
E)Carrier sense, Multiple access, and Collision detection
4
What happens when two computers transmit through a hub simultaneously?
A)Nothing happens.
B)The terminators prevent any transmission problems.
C)Their signals are reflected back down the cable to their points of origin.
D)A collision occurs.
5
What is a group of nodes that hear each other’s traffic?
A)Collision domain
B)Ethernet
C)Fast Ethernet
D)Sneakernet
6
Which committee is responsible for Ethernet standards?
A)IEEE 803.2
B)IEEE 803.3
C)IEEE 802.2
D)IEEE 802.3
7
What type of cabling do modern Ethernet networks use?
A)10Base2
B)10Base5
C)10BaseT
D)10Base-Cat5
8
What is the purpose of a preamble in an Ethernet frame?
A)It gives the receiving NIC time to realize a frame is coming and to know when the frame starts.
B)It provides the receiving NIC with the sending NIC’s MAC address so communication can continue.
C)It provides error-checking to ensure data integrity.
D)It contains a description of the data that is to follow so the receiving NIC knows how to reassemble it.
9
What is a valuable network tool that can be used to examine all frames on the network, regardless of their intended recipient?
A)Repeater
B)Media converter
C)STP
D)Sniffer
10
For what purpose is a crimping tool used?
A)To splice a 10BaseT cable with a 10BaseFL cable.
B)To attach an RJ-45 connector to a UTP cable.
C)To attach a 10BaseT cable to a media converter.
D)To connect two hubs together.
11
Which of the following is not a limitation on 10BaseT cable?
A)Maximum speed of 10 Mbps
B)Maximum distance between hub and node of 100 feet
C)Maximum of 1024 nodes per hub
D)Minimum CAT 3 or better UTP with RJ-45 connectors
12
Which of the following is not a limitation on 10BaseFL cable?
A)Maximum speed of 10 Mbps
B)Maximum distance between hub and node of 2000 meters
C)Maximum of 1024 nodes per hub
D)Minimum CAT 3 or better UTP with RJ-45 connectors
13
Upon looking at the front of a hub, you notice something labeled as MDI-X. What is this for?
A)It is a special receptacle for the power cable.
B)It is a regular port used to connect computers.
C)It is an uplink port used to connect the hub to another hub.
D)It is the brand name of the hub.
14
Which statement best describes the main difference between hubs and switches?
A)A hub repeats signals whereas a switch amplifies them.
B)A hub repeats incoming signals to all connected ports whereas a switch only repeats an incoming signal to the destination port.
C)Hubs use 10BaseT but switches use 10BaseFL.
D)Hubs can be daisy-chained but switches cannot.
15
What feature of switches prevents the problem of bridge loops?
A)STP
B)TCP/IP
C)IEEE 802.3
D)UTP





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