H12-811-ENU 試験問題を無料オンラインアクセス

From a security perspective, router A refuses to receive OSPF packets. ICMP packets received from the cO/0/1 interface. Which of the following commands can achieve this requirement? ()

• A.acl rumber 2000 rule 5 deny 89 rule 10 deny 1 interface GigabitEtherneto/0/1 trafficfilter inbounD.ac12000#
• B.acl number 3000 rule 5 deny 89 rule 10 deny 1 interface GigabitEtherneto/0/1 trafficfilter inbounD.aci 3000
• C.acl rumber 300o rule 5 deny ospf rule 10deny icmp interface GigabitEthernet0/0/1 traffic-filter inbounD.ac1300o#
• D.acL rumber 300o rule 5 deny 89 rule 10 deny icmp interface GigabitEthernet0/0/1 traffic-filter inbounD.ac1 30oo#

As shown in the figure, a static NAT command is deployed on router R1. When the PC accesses the Internet, the destination address in the data packet will not change. ()(True or False)

• A.False
• B.True

Which of the following statements about direct routing is correct? ()

• A.Direct routing has lower priority than dynamic routing
• B.Direct routing has the highest priority
• C.Direct routing requires the administrator to manually configure the destination network and next hop address
• D.Direct routes have lower priority than static routes

In the CAPWAP tunnel establishment phase, after AC. receives the Join Request message sent by the AP, AC. will check the validity of the AP. Which of the following is the authentication method supported by AC. ()*

• A.Not certified
• B.MAC. Authentication
• C.SN certification
• D.PassworD. certification

For the description of the PPP link establishment process, the following statement is wrong ()

• A.In the Establish phase, the PPP link performs LCP parameter negotiation. The negotiation content includes the maximum receiving unit MRU, authentication method magic word and other options
• B.After the NCP negotiation is successful, the PPP link will maintain the communication state and enter the Terminate phase
• C.The Dead phase is also called the physical layer unavailable phase. When both ends of the communication parties detect that the physical circuit is activated, they will migrate from the Dead phase to the Establish phase, which is the link establishment phase.
• D.In the Network phase, the PPP link performs NCP negotiation. Select and configure a network layer protocol through NCP negotiation, E.PPP link supports half-duplex and full-duplex modes