A networking device that sends packets to all connections is a:（）A、gateway.B、hub.C、switch.D、router.
A networking device that sends packets to all connections is a:（）
- A、gateway.
- B、hub.
- C、switch.
- D、router.
相关考题：
● OSI is a theoretical model that shows how any two different systems can communicate with each other．Router, as a networking device, operate at the (71) layer of the OSI model．(71)A．transportB．applicationC．networkD．physical
is a six bytes OSI layer 2 address which is burned into every networking device that provides its unique identity for point to point communication。A．The virtual addressB．The subnet addressC．The MAC addressD．The IP address
OSI is a theoretical model that shows how any two different systems can communicate with each other. Router, as a networking device, operate at the ______ layer of the OSI model.A．transportB．applicationC．networkD．physical
Which content networking device allows bandwidth configuration settings so that streaming content will not interfere with other network traffic?() A. IP/TV Control ServerB. Content Distribution ManagerC. Content EngineD. IP/TV Broadcast Server
In PIM-SM operations， the first router connected to the multicast source sends the Register message towhich device？（）A、Multicast sourceB、Multicast receiverC、RPD、RP mapping agentE、Designated Router （DR）
What are two characteristics of Telnet? (Choose two.)（）A、It sends data in clear text format.B、It is no longer supported on Cisco network devices.C、It is more secure than SSHD、It requires an enterprise license in order to be implemented.E、It requires that the destination device be configured to support Telnet connections.
If the PFE does not have a route to the destination address of a packet， which action will be taken？（）A、The PFE floods the packet out of all interfaces.B、The PFE drops the packet and sends a destination unreachable notification back to source device.C、The PFE forwards the packet to the routing engine for further processing.D、The PFE queues the packet and sends a request for a layer 3 lookup to the routing engine.
Which of the following is included in IBM Systems Director Express Edition?（）A、Energy managementB、Virtual image deploymentC、Virtual resource managementD、Networking device management
Overlay Transport Virtualization （OTV） overlay interface is a logical multiaccess and multicast- capable interface that must be explicitly defined by the user and where the entire OTV configuration is applied. Which statements are true about OTV overlay interface？（）A、 When an OTV edge device receives a Layer 2 frame destined for a remote data center site， the frame is logically forwarded to the overlay interface.B、 The OTV edge device performs the dynamic OTV encapsulation on the Layer 2 packet and sends it to the join interface toward the routed domain.C、 When the OTV edge device receives a Layer 2 frame destined for a remote data center site， the frame is logically forwarded to the join interface.D、 The OTV edge device performs the dynamic OTV encapsulation on the Layer 2 packet and sends it to the overlay interface toward the routed domain.
Regarding PAR (Positive Acknowledgement and Re-transmission), which of the answer choices below are correct?（）A、The source device will only retransmit lost packets on the request of the destination device.B、The source device starts a timer when it sends a segment and retransmits if an acknowledgment is not received before the timer expires.C、The destination device acknowledges receipt of a segment by sending a packet with a new sequence number and the ACK bit sent.D、The destination device acknowledges receipt of a segment by sending a packet that indicates the next sequence number it expects.E、If the destination device does not receive a segment, all segments are retransmitted.F、The source device keeps a record of all segments sent and expects and acknowledgment of each.
Which content networking device allows bandwidth configuration settings so that streaming content will not interfere with other network traffic？（）A、 IP/TV Control ServerB、 Content Distribution ManagerC、 Content EngineD、 IP/TV Broadcast Server
Which process occurs first during the Ethernet Discovery Stage process for a PPPoE service offering?（）A、The ERX router sends an Active Discovery Off ermessage.B、The ERX router sendsan Active Discovery Initiation message.C、The customer device sends an Active Discovery Offer message.D、The customer device sends an Active Discovery Initiation message.
Which process occurs first during the Ethernet Discovery Stage process for a PPPoE service offering?（）A、The ERX router sends an Active Discovery Offer message.B、The ERX router sends an Active Discovery Initiation message.C、The customer device sends an Active Discovery Offer message.D、The customer device sends an Active Discovery Initiation message
The same Web site is visited for the second time using a branch SRX Series Services Gateway configured with SurfControl integrated Web filtering.Which statement is true?（）A、The SRX device sends the URL to the SurfControl server in the cloud and the SurfControl server provides the SRX.B、The SRX device sends the URL to the SurfControl server in the cloud and the SurfControl server asks the SRX device previously visited.C、The SRX device looks at its local cache to find the category of the URL.D、The SRX device does not perform any Web filtering operation as the Web site has already been visited.
单选题A networking device that sends packets to all connections is a:（）Agateway.Bhub.Cswitch.Drouter.
多选题Two devices on an Ethernet segment sent frames at the same time causing a collision. Which twostatements are true?（）ABoth devices stop transmiting, wait a random period of time, verify the wire is idle, and re-transmitBThe device with the lowest MAC address is permitted to retrannsmit firstCThe device with the lowest MAC address sends a jam signal to notify all other devices of the collisionDBoth devices send a jam signal to notify all other devices of the collision
多选题Which two statements are true about the Websense redirect Web filter solution? （）(Choose two.)AThe Websense redirect Web filter solution does not require a license on the SRX device.BThe Websense server provides the SRX device with a category for the URL and the SRX device then matches the category decides to permit or deny the URL.CThe Websense server provides the SRX device with a decision as to whether the SRX device permits or denies the URL.DWhen the Websense server does not know the category of the URL, it sends a request back to the SRX device SurfControl server in the cloud.
单选题In PIM-SM operations， the first router connected to the multicast source sends the Register message towhich device？（）AMulticast sourceBMulticast receiverCRPDRP mapping agentEDesignated Router （DR）
单选题Which content networking device allows bandwidth configuration settings so that streaming content will not interfere with other network traffic？（）A IP/TV Control ServerB Content Distribution ManagerC Content EngineD IP/TV Broadcast Server
单选题Which process occurs first during the Ethernet Discovery Stage process for a PPPoE service offering?（）AThe ERX router sends an Active Discovery Off ermessage.BThe ERX router sendsan Active Discovery Initiation message.CThe customer device sends an Active Discovery Offer message.DThe customer device sends an Active Discovery Initiation message.
单选题Which process occurs first during the Ethernet Discovery Stage process for a PPPoE service offering?（）AThe ERX router sends an Active Discovery Offer message.BThe ERX router sends an Active Discovery Initiation message.CThe customer device sends an Active Discovery Offer message.DThe customer device sends an Active Discovery Initiation message
单选题If the Call Redirect step sends a caller to a device that does not exist in the CallManager, which branch of the step is executed? （）ABusy BInvalid CSuccessful DUnsuccessfu
单选题If the PFE does not have a route to the destination address of a packet， which action will be taken？（）AThe PFE floods the packet out of all interfaces.BThe PFE drops the packet and sends a destination unreachable notification back to source device.CThe PFE forwards the packet to the routing engine for further processing.DThe PFE queues the packet and sends a request for a layer 3 lookup to the routing engine.
单选题The same Web site is visited for the second time using a branch SRX Series Services Gateway configured with SurfControl integrated Web filtering.Which statement is true?（）AThe SRX device sends the URL to the SurfControl server in the cloud and the SurfControl server provides the SRX.BThe SRX device sends the URL to the SurfControl server in the cloud and the SurfControl server asks the SRX device previously visited.CThe SRX device looks at its local cache to find the category of the URL.DThe SRX device does not perform any Web filtering operation as the Web site has already been visited.
多选题Two devices on an Ethernet segment sent frames at the same time causing a collision. Which two statements are true?（）ABoth devices stop transmiting, wait a random period of time, verify the wire is idle, and re-transmitBThe device with the lowest MAC address is permitted to retrannsmit firstCThe device with the lowest MAC address sends a jam signal to notify all other devices of the collisionDBoth devices send a jam signal to notify all other devices of the collision