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
For what two purposes does the Ethernet protocol use physical addresses?()
A. to uniquely identify devices at Layer 2
B. to allow communication with devices on a different network
C. to differentiate a Layer 2 frame from a Layer 3 packet
D. to establish a priority system to determine which device gets to transmit first
E. to allow communication between different devices on the same network
F. to allow detection of a remote device when its physical address is unknown
相关考题：
Regarding DHCP (dynamic host configuration protocol), which two of the following choices below are true? (Select two answer choices)A. The DHCP Discover message uses FF-FF-FF-FF-FF as the Layer 2 destination address.B. The DHCP Discover message uses UDP as the transport layer protocol.C. The DHCP Discover message uses a special Layer 2 multicast address as the destination address.D. The DHCP Discover message uses TCP as the transport layer protocol.E. The DHCP Discover message does not use a Layer 2 destination address.F. The DHCP Discover message does not require a transport layer protocol.
When multiple PPP over Ethernet subscribers connect using the same DSL modem, which two attributes does the ERX use to differentiate between subscribers? ()(Choose two.) A. PPP session IDB. subscriber nameC. source MAC addressD. destination MAC address
For what two purposes does the Ethernet protocol use physical addresses? （）A、Network A - 172.16.3.48/26B、Network A - 172.16.3.128/25C、Network A - 172.16.3.192/26D、Link A - 172.16.3.0/30E、Link A - 172.16.3.40/30F、Link A - 172.16.3.112/30
Two Cisco routers are connected to each other and are enabled CDP. Serial line is up，protocol is also up but cdp neighbor not working. What layer of the OSI model does the problem most likely exist？
A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency？（）A、Two switch ports will be needed on a switch,two Ethernet cables will be needed for theserver each connecting to two different Ethernet cards,and one IP address will be neededB、Two switch ports will be needed on two different switches two Ethernet cables will beneeded for the server each connecting to two different Ethernet cards,and one IP address will be neededC、Two switch ports will be needed on two different switches,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,two different IP addresses will be neededD、One switch port will be needed on one switch,a splitter will be needed to split the connection,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,and two different IP addresses will be needed
In a configuration with redundant supervisors， how many IP addresses are required to configure full remote access via management 0？（） A、 two IP addresses， one for each supervisorB、 three IP addresses， one virtual IP and one physical IP for each supervisorC、 one IP address that is shared among supervisorsD、 none—management 0 will use the IP address from the first SVI that is created
Which two design recommendations are most appropriate when OSPF is the data center core routing protocol？ （）A、 Never use passive interfaces.B、 Use NSSA areas from the core down.C、 Use totally stub areas to stop type 3 LSAs.D、 Use the lowest Ethernet interface IP address as the router ID.E、 Tune OSPF timers to enable OSPF to achieve quicker convergence
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
Which two design recommendations are most appropriate when OSPF is the data center core routing protocol? （）A、Never use passive interfaces.B、Use NSSA areas from the core down.C、Use totally stub areas to stop type 3 LSAs.D、Use the lowest Ethernet interface IP address as the router ID.E、Tune OSPF timers to enable OSPF to achieve quicker convergence.
What protocol does an IP phone use to learn the voice VLAN ID it should use for voice traffic？（）A、VTPB、802.1 qC、CDPD、Skinny Station Protocol
A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency？（）A、Two switch ports will be needed on a switch， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， and one IP address will be needed.B、Two switch ports will be needed on two different switches， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， and one IP address will be needed.C、Two switch ports will be needed on two different switches， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， two different IP addresses will be needed.D、One switch port will be needed on one switch， a splitter will be needed to split the connection， two ethernet cables will be needed for the server each connecting to two different Ethernet cards， and two different IP addresses will be needed.
Company.com has two POWER5 servers. They want the two servers’ virtual Ethernets to appear on the same IP subnet. Which of the following will connect the client virtual Ethernet adapters to the physical Ethernet switch connecting the two servers？（）A、Configure a Shared Ethernet Adapter on the Virtual I/O Server.B、Use the same virtual LAN ID on each LPAR.C、Set up IP routing through an LPAR on each system.D、Set up an IP firewall through an LPAR on each system.
What are two purposes of the RSVP signaling protocol when configuring MPLS Label-Switched Paths (LSPs)? （）(Choose two.)A、to perform a label push operationB、to track the status of signaled LSPsC、to perform longest-match route lookupsD、to reserve resources, such as labels and path information
You are designing a Windows Server 2008 R2 Hyper-V environment. Your design includes a failover cluster that supports live migration. You need to ensure that the network supports this design. What should you do？（）A、Use two iSCSI host bus adaptersB、Use two Fibre Channel host bus adaptersC、Place the physical host servers on the same TCP/IP subnetD、Place the physical host servers on different TCP/IP subnets
单选题What is a benefit of Internet protocol (IP) telephony?（）ASynchronizes password exchanges for call setupBEliminates the need for physical cabling in a TCP/IP networkCEnables two-way voice transmission over a packet-switched TCP/IP networkDCreates an encrypted tunnel for voice through a Transmission Control Protocol (TCP)/IP network
多选题For what two purposes does the Ethernet protocol use physical addresses? （）ANetwork A - 172.16.3.48/26BNetwork A - 172.16.3.128/25CNetwork A - 172.16.3.192/26DLink A - 172.16.3.0/30ELink A - 172.16.3.40/30FLink A - 172.16.3.112/30
单选题A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency？（）ATwo switch ports will be needed on a switch,two Ethernet cables will be needed for theserver each connecting to two different Ethernet cards,and one IP address will be neededBTwo switch ports will be needed on two different switches two Ethernet cables will beneeded for the server each connecting to two different Ethernet cards,and one IP address will be neededCTwo switch ports will be needed on two different switches,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,two different IP addresses will be neededDOne switch port will be needed on one switch,a splitter will be needed to split the connection,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,and two different IP addresses will be needed
单选题What protocol does an IP phone use to learn the voice VLAN ID it should use for voice traffic？（）AVTPB802.1 qCCDPDSkinny Station Protocol
多选题RIP version 2 is being used as the routing protocol within the Testking network.What does RIP version 2 use to prevent routing loops?（）ACIDRBSplit horizonCAuthenticationDClassless maskingEHold-down timersFMulticast routing updatesGPath Vectoring
单选题Your company has 250 client computers connected to the office LAN. The company has a pool of five public IP addresses. All client computers have dynamically assigned IP addresses. You need to provide all client computers with Internet access. What should you use？（）A DHCP Relay AgentB Routing Information Protocol （RIP）C Internet Group Management Protocol （IGMP）D Network Address Translation （NAT）/Basic Firewall
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
多选题What are two purposes of the RSVP signaling protocol when configuring MPLS Label-Switched Paths (LSPs)? （）(Choose two.)Ato perform a label push operationBto track the status of signaled LSPsCto perform longest-match route lookupsDto reserve resources, such as labels and path information
单选题In a configuration with redundant supervisors， how many IP addresses are required to configure full remote access via management 0？（）A two IP addresses， one for each supervisorB three IP addresses， one virtual IP and one physical IP for each supervisorC one IP address that is shared among supervisorsD none—management 0 will use the IP address from the first SVI that is created
单选题A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency？（）ATwo switch ports will be needed on a switch， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， and one IP address will be needed.BTwo switch ports will be needed on two different switches， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， and one IP address will be needed.CTwo switch ports will be needed on two different switches， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， two different IP addresses will be needed.DOne switch port will be needed on one switch， a splitter will be needed to split the connection， two ethernet cables will be needed for the server each connecting to two different Ethernet cards， and two different IP addresses will be needed.
多选题When multiple PPP over Ethernet subscribers connect using the same DSL modem, which two attributes does the ERX use to differentiate between subscribers? （）(Choose two.)APPP session IDBsubscriber nameCsource MAC addressDdestination MAC address
问答题Two Cisco routers are connected to each other and are enabled CDP. Serial line is up，protocol is also up but cdp neighbor not working. What layer of the OSI model does the problem most likely exist？