Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN? (Choose three.)（）A、HDLCB、EthernetC、Token RingD、PPPE、FDDIF、Frame Relay
Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN? (Choose three.)（）
- A、HDLC
- B、Ethernet
- C、Token Ring
- D、PPP
- E、FDDI
- F、Frame Relay
相关考题：
The IoT architecture can be divided into three layers.()is the key layer to realize the foundational capabilities which support the electronic devices interact with physical worlA.B.Sensing layerC.Network layerD.Application layerE.Operation layer
Which three of the protocols below belong to the application layer? (Select three answer choices)A. ARPB. HTTPSC. SMTPD. CDPE. TFTPF. ICMP
Which three functions are provided by the Junos OS for security platforms?()(Choose three.) A. VPN establishmentB. stateful ARP lookupsC. Dynamic ARP inspectionD. Network Address TranslationE. inspection of packets at higher levels (Layer 4 and above)
Which three NLRIs can MBGP carry? () A. LDP routesB. IPv6 routesC. RSVP routesD. Layer 2 VPN routesE. Layer 3 VPN routes
In the 7－layer OSI model, which layer switching will take place?() A.Layer twoB.Layer fourC.Layer oneD.Layer three
Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN?() A.HDLCB.EthernetC.Token RingD.PPPE.FDDIF.Frame Relay
Which of the following are key characteristics of PPP (Choose three.)()。 A.can be used over analog circuitsB.maps Layer 2 to Layer 3 addressC.encapsulates several routed protocolsD.supports IP onlyE.provides error correction
Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN (Choose three.)()。 A.HDLCB.EthernetC.Token RingD.PPPE.FDDIF.Frame Relay
The IoT architecture can be divided into three layers.()is the key layer to realize the foundational capabilities which support the electronic devices interact with physical world.A.Sensing layerB.Network layerC.Application layerD.Operation layer
When you design QoS on CE for an MPLS Layer 2 VPN， which three things should be considered？（）A、Layer 2 access link QoS designB、enterprise-to-service-provider mapping modelsC、Layer 3 link access QoS designD、service provider service level agreementsE、Layer 2 link access load balancing
Which of the following are key characteristics of PPP (Choose three.)（）。A、can be used over analog circuitsB、maps Layer 2 to Layer 3 addressC、encapsulates several routed protocolsD、supports IP onlyE、provides error correction
In the 7-layer OSI model, which layer switching will take place?（）A、Layer twoB、Layer fourC、Layer oneD、Layer three
Which three statements about firewall modes are correct？ （）A、 A firewall in routed mode has one IP addressB、 A firewall in transparent mode has one IP addressC、 In routed mode， the firewall is considered to be a Layer 2 dewD、 In routed mode， the firewall is considered to be a Layer 3 deviceE、 In transparent mode， the firewall is considered to be a Layer 2 deviceF、 In transparent mode， the firewall is considered to be a Layer 3 device
Which three NRIs can MBGP carry？（）A、LDP routesB、IPv6 routesC、RSVP routesD、Layer 2 VPN routesE、Layer 3 VPN routes
Which three BGP attributes are carried by TLV？（）A、local preferenceB、weightC、originD、Network Layer Reachability InformationE、multiple exit discriminator
Which three of the protocols below belong to the application layer?（）A、ARPB、HTTPSC、SMTPD、CDPE、TFTPF、ICMP
Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN? （）A、HDLCB、EthernetC、Token RingD、PPPE、FDDIF、Frame Relay
Which three functions are provided by the Junos OS for security platforms?（）(Choose three.)A、VPN establishmentB、stateful ARP lookupsC、Dynamic ARP inspectionD、Network Address TranslationE、inspection of packets at higher levels (Layer 4 and above)
多选题Which three mechanisims support the forwarding plane of a Layer 3 VPN in JUNOS software? （）AMPLS LSPBATM tunnelCGRE tunnelDIPSEC tunnelEL2TPv3 session
多选题Which three of the protocols below belong to the application layer?（）AARPBHTTPSCSMTPDCDPETFTPFICMP
多选题Which three BGP attributes are carried by TLV？（）Alocal preferenceBweightCoriginDNetwork Layer Reachability InformationEmultiple exit discriminator
多选题Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN? (Choose three.)（）AHDLCBEthernetCToken RingDPPPEFDDIFFrame Relay
多选题Which three functions are provided by the Junos OS for security platforms?（）(Choose three.)AVPN establishmentBstateful ARP lookupsCDynamic ARP inspectionDNetwork Address TranslationEinspection of packets at higher levels (Layer 4 and above)
单选题Which of these statements is correct regarding SSO and Cisco NSF?（）AUtilizing Cisco NSF in Layer 2 environments can reduce outages to one to three seconds.BUtilizing SSO in Layer 3 environments can reduce outages to one to three seconds.CDistribution switches are single points of failure causing outages for the end devices.DUtilizing Cisco NSF and SSO in a Layer 2 environment can reduce outages to less than one second.ENSF and SSO with redundant supervisors have the most impact on outages at the access layer.
多选题Which of the following are key characteristics of PPP? (Choose three.)（）Acan be used over analog circuitsBmaps Layer 2 to Layer 3 addressCencapsulates several routed protocolsDsupports IP onlyEprovides error correction
多选题Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN?（）AHDLCBEthernetCToken RingDPPPEFDDIFFrame Relay
多选题Which three of the following descriptions are true about the firewall modes？ （）ATransparent mode is layer 2.BRouted mode is layer 3.CRouted mode has 1 IP address.DTransparent mode has 1 IP address.
单选题In the 7-layer OSI model, which layer switching will take place?（）ALayer twoBLayer fourCLayer oneDLayer three