Which protocol is an open standard protocol frame work that is commonly used in VPNs,to provid secureend－to－end communication?() A.L2TPB.IPsecC.PPTPD.RSA
Which protocol is an open standard protocol frame work that is commonly used in VPNs,to provid secureend－to－end communication?()
A.L2TP
B.IPsec
C.PPTP
D.RSA
相关考题：
You need to decide on which trunking method to implement in the Ezonexam network. What is a characteristic of ISL and 802.1q frame. tagging in a switched LAN environment?A．They are used to find the best path through a network.B．They allow the exchange of filtering tables.C．They specify different implementations of the Spanning-Tree Protocol.D．They allow the exchange of routing tablesE．They provide inter-switch VLAN communication.
● Ethernet is the commonly used local area network communication protocol. The standard of Ethernet is __(72)__.（72）A．IEEE 802.1 B．IEEE 802.2 C．IEEE 802.3 D．IEEE 802.11
TCP/IP is a communication protocol, which provides many different networking services. The TCP/IP Internet protocol suite is formed from two standards: the TCP （Transmission Control Protocol） and the IP（Internet Protocol）.（72） means it is on the transport layer.A.ISOB.IPC.OSID.TCP
Which protocol is used for communication between the Junos Pulse client and 802.1X－compliant switches when performing Layer 2 enforcement?() A. EAPB. RADIUSC. SSLD. EAP-o-HTTP
Gateway is a device used to connect two separate network that use(2)communication protocol.A．same kind ofB．similarC．differentD．same
Which protocol is an open standard protocol framework that is commonly used in VPNs,to provid secure end－to－end communication?() A. L2TPB. IPsecC. PPTPD.RSA
Ethernet is the commonly used local area network communication protocol. The standard of Ethernet is （ ） .A.IEEE 802.1B.IEEE 802.2C.IEEE 802.3D.IEEE 802.11
Select the 3 best answers describing operation and configuration of Frame-Relay Inverse ARP.（）A、Dynamic address mapping uses Frame Relay Inverse ARP to request the next-hop protocol address for a specific connection on its known DLCIB、Responses to Inverse ARP requests are entered in an address-to-DLCI mapping table on the router or access server which is used to supply the next-hop protoco address or the DLCI for outgoing trafficC、Inverse ARP is enabled by default for all protocols enabled on the physical interfaceD、Inverse ARP is configured using the following command under the Interface configuration ’frame-relaymap dlci （dlci number） protocol protocol-address’E、Inverse ARP in Frame-Relay is synonymous of ARP in Ethernet
When implementing MPLS VPNs between CE and PE routers, which of these statements is correct? As a Network Engineer, it is necessary for you to know how to implement MPLS VPNs between Customer Edge and Provider Edge routers. Refer to the following descriptions, which one is making sense?（）A、If using OSPF or EIGRP as the PE-CE routing protocol, redistribution is not required, but any other protocol or static route will require redistributionB、If using IS-IS as the PE-CE routing protocol, no redistribution is requiredC、If using static routes between the CE and PE routers, no redistribution of other VPN routes is requiredD、If PE-CE protocol is not BGP, redistribution of other VPN routes from MP-BGP is required
What does the protocol field inside the PPP frame indicate？（）A、the protocol used to determine the authentication methodB、the protocol used to identify the data in the Information fieldC、the protocol used to carry the PPP frameD、the protocol used to decode the FCS fieldE、the protocol used to detect the number of padding bytes
ISL is being configured on a Company switch. Which of the following choices are true regarding the ISL protocol？ （）A、 It can be used between Cisco and non-Cisco switch devices.B、 It calculates a new CRC field on top of the existing CRC field.C、 It adds 4 bytes of protocol-specific information to the original Ethernet frame.D、 It adds 30 bytes of protocol-specific information to the original Ethernet frame.
If you needed to transport traffic coming from multiple VLANs （connected between switches）， and your CTO was insistent on using an open standard，which protocol would you use？（）A、802.11BB、spanning-treeC、802.1QD、ISLE、VTPF、Q.921
Which protocol is an open standard protocol framework that is commonly used in VPNs,to provid secure end-to-end communication?（）A、L2TPB、IPsecC、PPTPD、RSA
When implementing MPLS VPNs between CE and PE routers, which of these statements is correct? （）A、If using IS-IS as the PE-CE routing protocol, no redistribution is required.B、If using static routes between the CE and PE routers, no redistribution of other VPN routes is required.C、If the PE-CE protocol is not BGP, redistribution of other VPN routes from MP-BGP is required.D、If RIP is the routing protocol that is used between the PE-CE routers, no redistribution is required, but any other protocol will require redistribution.E、If using OSPF or EIGRP as the PE-CE routing protocol, redistribution is not required, but any other protocol or static route will require redistribution.
Which Ethernet field is used to differentiate between the FCoE frame and the FIP frame？（）A、 Ethernet FCSB、 Source addressC、 Destination addressD、 EtherTypeE、 Protocol type
Which two of these are characteristics of the 802.1Q protocol?（）A、it is a layer 2 messaging protocol which maintains vlan configurations across network.B、it includes an 8-bit field which specifies the priority of a frame.C、it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.D、it modifies the 802.3 frame header,and thus requires that the FCS be recomputed.E、it is a trunking protocol capable of carring untagged frames.
For the following protocols， which one provides a mechanism to transparently intercept and redirect CIFS traffic from a client to a local Cisco Wida Area Application engine？（）A、Virtual Router Redundancy Protocol（VRRP）B、File Transport Protocol（FTP）C、Hot Standby Routing Protocol（HSRP）D、Web Cache Communication Protocol（WCCP）
单选题What does the protocol field inside the PPP frame indicate？（）Athe protocol used to determine the authentication methodBthe protocol used to identify the data in the Information fieldCthe protocol used to carry the PPP frameDthe protocol used to decode the FCS fieldEthe protocol used to detect the number of padding bytes
单选题Which statement about the Link Control Protocol （LCP） is true？（）ALCP is used for basic PPP link setup and operation.BLCP is used for PPP CHAP authentication.CLCP is used for PPP over ATM （PPPoA） setup.DLCP is used for PPP over Ethernet （PPPoE） setup.ELCP is used for PPP over Frame Relay （PPPoFR） setup
单选题Which protocol is an open standard protocol frame work that is commonly used in VPNs，to provid secureend-to-end communication？（）AL2TPBIPsecCPPTPDRSA
多选题ISL is being configured on a Company switch. Which of the following choices are true regarding the ISL protocol？ （）AIt can be used between Cisco and non-Cisco switch devices.BIt calculates a new CRC field on top of the existing CRC field.CIt adds 4 bytes of protocol-specific information to the original Ethernet frame.DIt adds 30 bytes of protocol-specific information to the original Ethernet frame.
单选题Which protocol is used for communication between the Junos Pulse client and 802.1X-compliant switches when performing Layer 2 enforcement?（）AEAPBRADIUSCSSLDEAP-o-HTTP
单选题Which Ethernet field is used to differentiate between the FCoE frame and the FIP frame？（）A Ethernet FCSB Source addressC Destination addressD EtherTypeE Protocol type
多选题Which two of these are characteristics of the 802.1Q protocol?（）Ait is a layer 2 messaging protocol which maintains vlan configurations across network.Bit includes an 8-bit field which specifies the priority of a frame.Cit is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.Dit modifies the 802.3 frame header,and thus requires that the FCS be recomputed.Eit is a trunking protocol capable of carring untagged frames.
单选题When implementing MPLS VPNs between CE and PE routers, which of these statements is correct? As a Network Engineer, it is necessary for you to know how to implement MPLS VPNs between Customer Edge and Provider Edge routers. Refer to the following descriptions, which one is making sense?（）AIf using OSPF or EIGRP as the PE-CE routing protocol, redistribution is not required, but any other protocol or static route will require redistributionBIf using IS-IS as the PE-CE routing protocol, no redistribution is requiredCIf using static routes between the CE and PE routers, no redistribution of other VPN routes is requiredDIf PE-CE protocol is not BGP, redistribution of other VPN routes from MP-BGP is required
单选题If you needed to transport traffic coming from multiple VLANs （connected between switches）， and your CTO was insistent on using an open standard，which protocol would you use？（）A802.11BBspanning-treeC802.1QDISLEVTPFQ.921