What type of cable is used to connect a workstation serial port to a Cisco router console port?
answer
rollover (pg 183)
question
Which is a function of the Logical Link Control (LLC) sublayer?
answer
to identify which network layer protocol is being used (pg 199)
question
What is the purpose of the OSI physical layer?
answer
transmitting bits across the local media
question
What method is used to manage contention-based access on a wireless network?
answer
CSMA/CA
question
Which two factors influence the method that is used for media access control? (Choose two.)
answer
how the connection between nodes appears to the data link layer
how nodes share the media (pg 206)
question
What makes fiber preferable to copper cabling for interconnecting buildings? (Choose three.)
answer
greater distances per cable run
limited susceptibility to EMI/RFI
greater bandwidth potential
question
What is a characteristic of a WAN hub-and-spoke topology?
answer
The branch sites are connected to a central site through point-to-point links. (pg 208)
question
Refer to the exhibit. What is the maximum possible throughput between the PC and the server?
answer
128 kb/s
The maximum throughput between any two nodes on a network is determined by the slowest link
between those nodes.
question
Which statement describes a characteristic of the frame header fields of the data link layer?
answer
They vary depending on protocols.
question
Which statement correctly describes frame encoding?
answer
It converts bits into a predefined code in order to provide a predictable pattern to help distinguish data bits from control bits.
question
A network administrator is designing a new network infrastructure that includes both wired and wireless connectivity. Under which situation would a wireless connection be recommended?
answer
The end-user device needs mobility when connecting to the network.
question
Refer to the exhibit. One end of the cable is terminated as displayed, and the other end is terminated in accordance with the T568A standard. What type of cable would be created in this manner?
Which method of data transfer allows information to be sent and received at the same time?
answer
full duplex
question
What method is used to manage contention-based access on a wireless network?
answer
CSMA/CA
Carrier sense multiple access with collision avoidance (CSMA/CA) is used with wireless networking technology to mediate media contention. Carrier sense multiple access with collision detection (CSMA/CD) is used with wired Ethernet technology to mediate media contention. Priority ordering and token passing are not used (or not a method) for media access control.
question
In fiber optic media, the signals are represented as patterns of
answer
LIGHT
question
Match each type of frame field to its function. (Not all options are used.)
answer
addressing
error detection
type
frame start
question
STP
answer
COPPER MEDIA INDUSTRIAL LOTS OF INTERFERENCE
question
WIRELESS
answer
TYPE OF MEDIA PROVIDES MOBILITY
question
OPTICAL FIBER
answer
TYPE MEDIA - HIGH TRANSMISSION SPEEDS OVER LONG DISTANCES
question
COAXIAL
answer
TRADTIONALLY USED FOR TELEVISION BUT CAN BE USED IN NETWORK TO CONNECT CUSTOMER LOCATION
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