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Q 1/50
Score 0
Which two functions are performed at the LLC sublayer of the OSI data link layer? (Choose two.)
60
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Q 2/50
Score 0
What are two characteristics of fiber-optic cable? (Choose two.)
60
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50 questions
Q.
Which two functions are performed at the LLC sublayer of the OSI data link layer? (Choose two.)
1
60 sec
Q.
What are two characteristics of fiber-optic cable? (Choose two.)
2
60 sec
Q.
In addition to the cable length, what two factors could interfere with the communication carried over UTP cables? (Choose two.)
3
60 sec
Q.
What are two examples of the cut-through switching method? (Choose two.)
4
60 sec
Q.
What are two actions performed by a Cisco switch? (Choose two.)
5
60 sec
Q.
Which two fields or features does Ethernet examine to determine if a received frame is passed to the data link layer or discarded by the NIC? (Choose two.)
6
60 sec
Q.
Which two functions are performed at the MAC sublayer of the OSI data link layer? (Choose two.)
7
60 sec
Q.
Which two statements describe the services provided by the data link layer? (Choose two.)
8
60 sec
Q.
A network administrator is connecting two modern switches using a straight-through cable. The switches are new and have never been configured. Which three statements are correct about the final result of the connection? (Choose three.)
9
60 sec
Q.
A network administrator is measuring the transfer of bits across the company backbone for a mission critical financial application. The administrator notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.)
10
60 sec
Q.
What makes fiber preferable to copper cabling for interconnecting buildings? (Choose three.)
11
60 sec
Q.
Which three basic parts are common to all frame types supported by the data link layer? (Choose three.)
12
60 sec
Q.
What three items are contained in an Ethernet header and trailer? (Choose three.)
13
60 sec
Q.
What is a primary role of the Physical layer in transmitting data on the network?
14
30 sec
Q.
With the use of unshielded twisted-pair copper wire in a network, what causes crosstalk within the cable pairs?
15
30 sec
Q.
What is the function of the CRC value that is found in the FCS field of a frame?
16
30 sec
Q.
Which statement describes an extended star topology?
17
30 sec
Q.
What type of communication rule would best describe CSMA/CD?
18
30 sec
Q.
When the store-and-forward method of switching is in use, what part of the Ethernet frame is used to perform an error check?
19
30 sec
Q.
What is the auto-MDIX feature?
20
30 sec
Q.
Which is a broadcast MAC address?
21
30 sec
Q.
What does the term “attenuation” mean in data communication?
22
30 sec
Q.
What OSI physical layer term describes the process by which one wave modifies another wave?
23
30 sec
Q.
What OSI physical layer term describes the capacity at which a medium can carry data?
24
30 sec
Q.
What OSI physical layer term describes the measure of the transfer of bits across a medium over a given period of time?
25
30 sec
Q.
What OSI physical layer term describes the amount of time, including delays, for data to travel from one point to another?
26
30 sec
Q.
What OSI physical layer term describes the physical medium which uses electrical pulses?
27
30 sec
Q.
What action will occur if a switch receives a frame with the destination MAC address FF:FF:FF:FF:FF:FF?
28
30 sec
Q.
What action will occur if a host receives a frame with a destination MAC address it does not recognize?
29
30 sec
Q.
What action will occur if a host receives a frame with a destination MAC address of FF:FF:FF:FF:FF:FF?
30
30 sec
Q.
What action will occur if a switch receives a frame with the destination MAC address 01:00:5E:00:00:D9?
31
30 sec
Q.
What is the purpose of the OSI physical layer?
32
30 sec
Q.
Which characteristic describes crosstalk?
33
30 sec
Q.
Which procedure is used to reduce the effect of crosstalk in copper cables?
34
30 sec
Q.
A network team is comparing physical WAN topologies for connecting remote sites to a headquarters building. Which topology provides high availability and connects some, but not all, remote sites?
35
30 sec
Q.
What is the auto-MDIX feature on a switch?
36
30 sec
Q.
Which frame forwarding method receives the entire frame and performs a CRC check to detect errors before forwarding the frame?
37
30 sec
Q.
What OSI physical layer term describes the physical medium that uses the propagation of light?
38
30 sec
Q.
Which statement describes a characteristic of the frame header fields of the data link layer?
39
30 sec
Q.
What is a characteristic of the LLC sublayer?
40
30 sec
Q.
During the encapsulation process, what occurs at the data link layer for a PC connected to an Ethernet network?
41
30 sec
Q.
What is one advantage of using the cut-through switching method instead of the store-and-forward switching method?
42
30 sec
Q.
What OSI physical layer term describes the physical medium for microwave transmissions?
43
30 sec
Q.
Which is a multicast MAC address?
44
30 sec
Q.
Why are two strands of fiber used for a single fiber optic connection?
45
30 sec
Q.
What is contained in the trailer of a data-link frame?
46
30 sec
Q.
What is the purpose of the FCS field in a frame?
47
30 sec
Q.
Which switching method has the lowest level of latency?
48
30 sec
Q.
What OSI physical layer term describes the measure of usable data transferred over a given period of time?
49
30 sec
Q.
Which type of UTP cable is used to connect a PC to a switch port?
