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About the description of IGMP Snooping working mechanism, which of the following statement is true?
About the description of IGMP Snooping working mechanism, which of the following statement is true?A . The Layer 2 switch establishes and maintains the PIM routing table at Layer 2 by continuously monitoring IGMP messagesB . When IGMP Snooping is not running, multicast messages will be broadcast on the layer...
Which function does the switch control plane not include?
Which function does the switch control plane not include?A . Business processingB . Routing calculationC . System loadingD . Traffic statisticsView AnswerAnswer: C
The command to configure VRRP preemption delay is:
The command to configure VRRP preemption delay is:A . vrrp vrid 1 preempt-mode timer delay 20B . vrrp twist 1 hour delay 20C . vrrp vrid 1 preempt-timer 20D . vrrp vrid 1 preempt-delay 20View AnswerAnswer: A
Which of the following statement about OSPF protocol packets is incorrect?
Which of the following statement about OSPF protocol packets is incorrect?A . The header format of all OSPF packets is the sameB . All OSPF packet headers carry the Router-ID fieldC . The OSPF protocol uses five types of messages to complete the transmission of routing informationD . OSPF packets...
The output information of a router below, which of the following regarding the description of this information is true?
The output information of a router below, which of the following regarding the description of this information is true? A . The MED value of the route to the destination network 5.1.1.0/24 is 50B . The MED value of the route to the destination network 1.1.1.0/24 is 100C . The...
As shown in the figure below, the firewall received the message from PC1 to PC2, which of the following statement is true?
As shown in the figure below, the firewall received the message from PC1 to PC2, which of the following statement is true? A . The message cannot match the security policies rule1 and rule2, it will match the default policy of the firewall, and the firewall will forward the messageB...
The configuration command for VRRP and BFD linkage is:
The configuration command for VRRP and BFD linkage is:A . vrrp vrid 1 track bfd-session session-name 1 reduced 100B . bfd-session vrrp vrid 1 track session-name 1 reduced 100C . vrrp vrid 1 track bfd-session-name 1 reduced 100D . track vrrp vrid 1 bfd-session session-name 1 reduced 100View AnswerAnswer: A
About the description of the Keepalive message of BGP, which of the following is incorrect?
About the description of the Keepalive message of BGP, which of the following is incorrect?A . Keepalive packet contains only one BGP data headerB . By default, the keepalive interval is 180sC . Keepalive messages are mainly used to confirm the operating status of peer routers and the availability of...
Regarding the description of IBGP neighbors and EBGP neighbors, which of the following is false?
Regarding the description of IBGP neighbors and EBGP neighbors, which of the following is false?A . If the two exchange BGP packets peers belong to different autonomous systems, then the two peers are EBGP peerB . If the two exchange BGP packets peers in the same autonomous system, then the...
Regarding the OSPF protocol packets, which of the following statement is false?
Regarding the OSPF protocol packets, which of the following statement is false?A . The OSPF protocol uses five types of messages to complete the transmission of routing informationB . All OSPF packet headers carry the Router-ID fieldC . OSPF packets are encapsulated in UDP packets, and the port number is...
