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单选题
What does the command "IP ARP synchronize" do in a vPC configuration？（）
A
Synchronizes ARP entries between vPC peers every five minutes
B
Triggers a manual update of ARP entries from the primary peer to the secondary
C
Enables a bulk loading of ARP entries when a vPC peer is restored
D
Uses the peer-keepalive link to maintain ARP table consistency
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考题
单选题What does the ip access-routes configuration command accomplish?（）A
It statically places a host route in the routing table.B
It statically associates an IP address with a customer.C
It dynamically creates a host route in the routing table.D
It dynamically assigns an address to the router's interface
考题
单选题An employee of ABC company has move to an office on a different floor. Although the administrator is able to telnet to all of the routers,the address of Switch F is needed in order to verify that the employee remains in the same VLAN.Which action could be used by the administrator to find the IP address of Switch F?（）A
Issue the show ip route command on Router AB
Issue the show ip route command on Router BC
Issue the show cdp neighbors command on Router BD
Issue the show cdp neighbors detail command on Router CE
Issue the show arp command on Router AF
Issue the show arp command on Router B
考题
单选题What does the command ip pim send-rp-discovery scope 16 achieve？（）A
it enables PIM BSRB
it makes the router an Auto-RP mapping agentC
it advertises the router as an RP with Auto-RPD
it makes the router an Auto-RP client
考题
单选题What command visualizes the general NetFlow data on the command line?（）A
show ip flow exportB
show ip flow top-talkersC
show ip cache flowD
show mls samplingE
show mls netflow ip
考题
单选题On a Company switch named R1 you configure the following： iparp inspection vlan 10-12， 15 What is the purpose of this global configuration command made on R1？（）A
Discards ARP packets with invalid IP-to-MAC address bindings on trusted portsB
Validates outgoing ARP requests for interfaces configured on VLAN 10， 11， 12， or 15C
Intercepts， logs， and discards ARP packets with invalid IP-to-MAC address bindingsD
Intercepts all ARP requests and responses on trusted portsE
None of the other alternatives apply
考题
单选题Which of the following is not a characteristic of Cisco Express Forwarding？（）A
The adjacency table is populated from a router’s ARP cacheB
CEF does not require the first packet of a data flow to be process switchedC
CEF maintains the Forward Information Base and the adjacency tableD
CEF can be enabled with the interface command ip cefE
The FIB is populated from a router’s IP routing tableF
On most router platforms CEF is enabled by default
考题
单选题How are IP multicast IGMP entries synchronized between vPC peers？（）A
IGMP is not synchronized between vPC peersB
Cisco Fabric Service carries IGMP entries across the vPC peer linkC
IP ARP synchronization under the vPC domain configuration also synchronizes IGMPD
IGMP is flooded to the L2 domain， and there is no need to synchronize it between vPC peers
考题
单选题What does the mac packet-classify command do when applied to an interface configuration？（）A
It enables MAC ACLs to be applied to only IP packets that enter the interface.B
It enables MAC ACLs to be applied to only non-IP packets that enter the interface.C
It enables MAC ACLs to be applied to all packets that enter the interface.D
It enables MAC ACLs to be used for QoS settings.
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