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In a coffee shop hot spot,the rated speed is 10 Mbps.Throughput is about half of the rated speed.There are ten people using the hot spot.If you and three others are transmitting or receiving at the same time,what speed should you expect to get?


A) 0.5 Mbps
B) 1 Mbps
C) 1.25 Mbps
D) none of the above

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To determine if a host is reachable,you send a(n) ________.


A) SNMP SET command
B) MIB
C) trap
D) ping

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Using the SNMP Set command ________.


A) saves management labor
B) requires excellent security
C) both A and B
D) neither A nor B

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Throughput is ________.


A) the speed a network actually provides to users
B) a network's rated speed
C) both A and B
D) neither A nor B

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Momentary traffic peaks can lead to ________.


A) latency
B) packet loss
C) both A and B
D) neither A nor B

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An SLA specifies ________.


A) maximum latency
B) minimum latency
C) both A and B
D) neither A nor B

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________ can be addressed by using priority.


A) Chronic lacks of capacity
B) Momentary traffic peaks
C) both A and B
D) neither A nor B

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Trunk lines in the Internet core are ________.


A) dedicated
B) multiplexed
C) both A and B
D) neither A nor B

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To handle momentary traffic peaks,which would you give higher priority to?


A) e-mail
B) VoIP
C) both A and B
D) It is impossible to say with the information provided.

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If throughput falls substantially below a QoS guaranteed speed,the ISP ________.


A) always pays a penalty
B) may pay a penalty
C) does not pay a penalty
D) may renegotiate the QoS guarantee for speed

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Which of the following reduces momentary traffic peaks by controlling how much traffic is allowed into the network?


A) overprovisioning
B) priority
C) QoS guarantees
D) none of the above

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SNMP agents can initiate ________.


A) Get commands
B) traps
C) both A and B
D) neither A nor B

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The SNMP manager stores the information it receives from Get commands ________.


A) in the MIB
B) on the agent
C) on the managed device
D) in the cloud

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Which of the following tells you the cumulative round-trip latency to each router along the route to the host?


A) Ping
B) Traceroute
C) both A and B
D) neither A nor B

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________ is the percentage of time that a network is available for use.


A) Availability
B) Downtime
C) QoS
D) none of the above

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In SDN,which device manages the control function for individual devices?


A) SNMP manager console
B) forwarding device itself
C) SDN policy server
D) SDN controller

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SNMP Get commands can ________.


A) ask agents for information about the managed device
B) change router operation
C) both A and B
D) neither A nor B

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An SLA specifies ________.


A) maximum speed
B) minimum speed
C) both A and B
D) neither A nor B

Correct Answer

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The SNMP ________ command changes how managed devices operate.


A) Get
B) Set
C) both A and B
D) neither A nor B

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Control is done on individual switches and routers in ________.


A) traditional operation
B) SDN
C) both A and B
D) neither A nor B

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