In an Ethernet network, under what two scenarios can devices transmit?() A. when they receive a special tokenB. when there is a carrierC. when they detect no other devices are sendingD. when the medium is idleE. when the server grants access
In an Ethernet network, under what two scenarios can devices transmit?()
A. when they receive a special token
B. when there is a carrier
C. when they detect no other devices are sending
D. when the medium is idle
E. when the server grants access
相关考题:
Two stations on the Ezonexam LAN transmit at the same time, resulting in a collision. What happens when a collision occurs on the network? (Choose all that apply)A.Each device on the Ethernet segment stops transmitting for a short time.B.A jam signal informs all devices that a collision occurred.C.When data transmission resumes, the devices that were involved in the collision have priority to transmit.D.The devices that are involved in the collision stops transmitting for a short time.E.The collision invokes a random back-off algorithm.
Cisco IDS sensors form the eyes and ears of your Cisco network intrusion detection system.Placing sensors correctly throughout your network is crucial to successfully implementing your Cisco intrusion detection system . Where can an IPS sensor be placed in an enterprise network?()A. core layerB. bridging two VLANs on one switchC. between two Layer 2 devices withtrunkingD. between two Layer 2 devices withouttrunking
What are two security appliances that can be installed in a network (Choose two.)()。 A.ATMB.IDSC.IOSD.IOXE.IPSF.SDM
Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies? (Choose two.)()A、copierB、microwave ovenC、toasterD、cordless phoneE、IP phoneF、AM radio
Two stations on a LAN transmit at the same time, resulting in a collision. What happens when a collision occurs on the network?()A、Each device on the Ethernet segment stops transmitting for a short time.B、A jam signal informs all devices that a collision occurred.C、When data transmission resumes, the devices that were involved in the collision have priority to transmit.D、The devices that are involved in the collision stops transmitting for a short time.E、The collision invokes a random back-off algorithm.
In an Ethernet network, under what two scenarios can devices transmit?()A、when they receive a special tokenB、when there is a carrierC、when they detect no other devices are sendingD、when the medium is idleE、when the server grants access
For what two purposes does the Ethernet protocol use physical addresses?()A、to uniquely identify devices at Layer 2B、to allow communication with devices on a different networkC、to differentiate a Layer 2 frame from a Layer 3 packetD、to establish a priority system to determine which device gets to transmit firstE、to allow communication between different devices on the same networkF、to allow detection of a remote device when its physical address is unknown
In which two locations in an enterprise network can an IPS sensor be placed? ()A、 bridging VLANs on two switchesB、 bridging two VLANs on one switchC、 between two Layer 2 devices with trunkingD、 between two Layer 2 devices without trunkingE、 between a Layer 2 device and a Layer 3 device with trunking
What are two security appliances that can be installed in a network? (Choose two.)() A、ATMB、IDSC、IOSD、IOXE、IPSF、SDM
Cisco IDS sensors form the eyes and ears of your Cisco network intrusion detection system. Placing sensors correctly throughout your network is crucial to successfully implementing your Cisco intrusion detection system . Where can an IPS sensor be placed in an enterprise network?()A、 core layerB、 bridging two VLANs on one switchC、 between two Layer 2 devices with trunkingD、 between two Layer 2 devices without trunking
多选题If a SONET/SDH interface transmit link fails between two JUNOS devices, which two alarms or defects would be seen on those devices?()ALOSBREICBIP-B3DRDI
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 transmitting, wait a random period of time, verify the wire is idle, and re- transmit.BThe device with the lowest MAC address is permitted to retransmit first.CThe device with the lowest MAC address sends a jam signal to notify all other devices of the collision.DBoth devices send a jam signal to notify all other devices of the collision.
多选题In an Ethernet network, under what two scenarios can devices transmit?()Awhen they receive a special tokenBwhen there is a carrierCwhen they detect no other devices are sendingDwhen the medium is idleEwhen the server grants access
多选题Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies?()AcopierBmicrowave ovenCtoasterDcordless phoneEIP phoneFAM radio
多选题For what two purposes does the Ethernet protocol use physical addresses?()Ato uniquely identify devices at Layer 2Bto allow communication with devices on a different networkCto differentiate a Layer 2 frame from a Layer 3 packetDto establish a priority system to determine which device gets to transmit firstEto allow communication between different devices on the same networkFto allow detection of a remote device when its physical address is unknown
单选题Companycom will be using Virtual IO Server to share Ethernet adapters. What can be done to prevent network failure of the client if a Virtual IO Server goes down?()ACreate two virtual adapters on the client, each one from a separate Virtual IO ServerBEnable dead gateway detection on the client so that the network traffic can be reroutedCHave a spare network card on standby in the client in case the Virtual IO Server goes downDCreate an etherchannel adapter on the client using one Virtual Ethernet adapter from two separate Virtual IO Servers
多选题In which two locations in an enterprise network can an IPS sensor be placed?()Abridging VLANs on two switchesBbridging two VLANs on one switchCbetween two Layer 2 devices withtrunkingDbetween two Layer 2 devices withouttrunkingEbetween a Layer 2 device and a Layer 3 device withtrunking
多选题In which two locations in an enterprise network can an IPS sensor be placed?()Abridging VLANs on two switchesBbridging two VLANs on one switchCbetween two Layer 2 devices with trunkingDbetween two Layer 2 devices without trunkingEbetween a Layer 2 device and a Layer 3 device with trunking
多选题Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies? (Choose two.)()AcopierBmicrowave ovenCtoasterDcordless phoneEIP phoneFAM radio
多选题What are two security appliances that can be installed in a network? ()AATMBIDSCIOSDIOXEIPSFSDM
多选题Cisco IDS sensors form the eyes and ears of your Cisco network intrusion detection system.Placing sensors correctly throughout your network is crucial to successfully implementing your Cisco intrusion detection system . Where can an IPS sensor be placed in an enterprise network?()Acore layerBbridging two VLANs on one switchCbetween two Layer 2 devices withtrunkingDbetween two Layer 2 devices withouttrunking
多选题What are two security appliances that can be installed in a network (Choose two.)()。AATMBIDSCIOSDIOXEIPSFSDM