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单选题
Which of the following are data layer categories to be displayed on ECDIS（）．
A
ECDIS warnings and messages
B
Hydrographic Office data
C
Notice to Mariners information
D
All of the above
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Which of the following layers of the OSI model is the presentation layer?()
A.Layer 1B.Layer 5C.Layer 6D.Layer 7
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Which of the following correctly describe steps in the OSI data encapsulation process?()
A. Transport layer divides a data stream into segments adds reliability flow control informationB. Data link layer adds physical source destination address an FCS to the segmentC. Packets are created when the network layer encapsulate a frame with source destination host address protocol related control informationD. Packets are created when the network layers adds layers 3 address control information to a segmentE. The presentation layer translated bits into bits into voltages for transmission across the physical link
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Which of the following layers of the TCP／IP model most closely corresponds to the network layer of the OSI model?()
A.ApplicationB.InternetC.TransportD.NetworkE.Data Link
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Which three of the following OSI model layers also belong to the TCP／IP model?()
A. The application layerB. The session layerC. The data link layerD. The transport layerE. The network interface layerF. The physical layer
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Which of the following are data layer categories to be displayed on ECDIS ________．A.ECDIS warnings and messagesB.Hydrographic Office dataC.Notice to Mariners informationD.All of the above
考题
Which of the following items is not one of the grammatical categories of English pronouns?A.gender
B.number
C.case
D.voice
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Which of the following layers of the OSI model is the presentation layer?（）A、Layer 1B、Layer 5C、Layer 6D、Layer 7
考题
Which of the following layers of the TCP/IP model most closely corresponds to the network layer of the OSI model?（）A、ApplicationB、InternetC、TransportD、NetworkE、Data Link
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Which of the following is a characteristic of a data center core？（）A、 Server-to-server traffic always remains in the core layer.B、 The recommended practice is for the core infrastructure to be in Layer 3.C、 The boundary between Layer 2 and Layer 3 should be implemented in the aggregation layer.D、 The Cisco Express Forwarding hashing algorithm is the default， based on the IP address andLayer 4 port.E、 Core layer should run BGP along with an IGP because iBGP has a lower administrativedistance than any IGP.
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Which of the following is a characteristic of a data center core?（）A、Server-to-server traffic always remains in the core layer.B、The recommended practice is for the core infrastructure to be in Layer 3.C、The boundary between Layer 2 and Layer 3 should be implemented in the aggregation layer.D、The Cisco Express Forwarding hashing algorithm is the default, based on the IP address and Layer 4 port.E、Core layer should run BGP along with an IGP becauseiBGP has a lower administrative distance than any IGP.
考题
Which of the following correctly describe steps in the OSI data encapsulation process?（）A、Transport layer divides a data stream into segments adds reliability flow control informationB、Data link layer adds physical source destination address an FCS to the segmentC、Packets are created when the network layer encapsulate a frame with source destination host address protocol related control informationD、Packets are created when the network layers adds layers 3 address control information to a segmentE、The presentation layer translated bits into bits into voltages for transmission across the physical link
考题
Which of the following layers is associated with the physical hardware address of a network node?（）A、Layer 1B、Layer 2C、Layer 6D、Layer 7
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At which of the following OSI model layers is HTTPS encryption performed?（）A、Layer 3B、Layer 5C、Layer 6D、Layer 7
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Which three of the following OSI model layers also belong to the TCP/IP model?（）A、The application layerB、The session layerC、The data link layerD、The transport layerE、The network interface layerF、The physical layer
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Which of the following network devices should be installed at a data center to intelligently distribute client connections to a pool of servers?（）A、A proxy serverB、A load balancerC、A layer two switchD、A multilayer switch
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At which of the following layers does the UDP protocol operate?（）A、Layer 1B、Layer 4C、Layer 6D、Layer 7
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WebSphere Commerce categorizes store data into several categories. Prices， Contracts， and Campaigns are all examples of which type of data？（）A、operationalB、managedC、configurationD、coreE、instance
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Which layer in the OSI model is responsible for translating frames into bits?（）A、Application LayerB、Presentation LayerC、Data Link LayerD、Physical Layer
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多选题Which three of the following OSI model layers also belong to the TCP/IP model?（）AThe application layerBThe session layerCThe data link layerDThe transport layerEThe network interface layerFThe physical layer
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多选题Which of the following correctly describe steps in the OSI data encapsulation process?（）ATransport layer divides a data stream into segments adds reliability flow control informationBData link layer adds physical source destination address an FCS to the segmentCPackets are created when the network layer encapsulate a frame with source destination host address protocol related control informationDPackets are created when the network layers adds layers 3 address control information to a segmentEThe presentation layer translated bits into bits into voltages for transmission across the physical link
考题
单选题Which of the following items is not one of the grammatical categories of English pronouns? _____A
genderB
numberC
caseD
voice
考题
单选题Which of the following is a characteristic of a data center core?（）A
Server-to-server traffic always remains in the core layer.B
The recommended practice is for the core infrastructure to be in Layer 3.C
The boundary between Layer 2 and Layer 3 should be implemented in the aggregation layer.D
The Cisco Express Forwarding hashing algorithm is the default, based on the IP address and Layer 4 port.E
Core layer should run BGP along with an IGP becauseiBGP has a lower administrative distance than any IGP.
考题
多选题Which of the following correctly describe steps in the OSI data encapsulation process?（）AThe transport layer divides a data stream into segments and may add reliability and flow control information.BThe data link layer adds physical source and destination addresses and an FCS to the segment.CPackets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.DPackets are created when the network layer adds Layer 3 addresses and control information to a segment.EThe presentation layer translates bits into voltages for transmission across the physical link.
考题
单选题Which of the following network devices should be installed at a data center to intelligently distribute client connections to a pool of servers?（）A
A proxy serverB
A load balancerC
A layer two switchD
A multilayer switch
考题
多选题Which two of the following options are categories of Network Maintenance tasks？（）AFirefightingBInterrupt-drivenCPolicy-basedDStructuredEFoundational
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单选题WebSphere Commerce categorizes store data into several categories. Prices， Contracts， and Campaigns are all examples of which type of data？（）A
operationalB
managedC
configurationD
coreE
instance
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多选题Which of the following could be used to provide a Layer 3 data path between separate VLANs？（）AVLAN trunkingBAn external routerCAn internal route processorDVLAN capable bridgeEEtherChannel
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