A. L2TP
B. IPsec
C. PPTP
D. RSA
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A. PVST+reduces the CPU cycles for all the switches in the network
B. PVST+automatically selects the root bridge location,to provide optimized bandwidth usage.
C. PVST+allow the root switch location to be optimized per vlan.
D. PVST+supports Layer 3 load balancing without loops.
A. access-list 50 deny 192.168.1.1 0.0.0.255
B. access-list 110 permit ip any any
C. access-list 2500 deny tcp any host 192.168.1.1 eq 22
D. access-list 101 deny tcp any host 192.168.1.1
A. you can apply multiple access lists with the same protocol or in different direction.
B. you can config one access list,per direction,per layer 3 protocol
C. you can place as many access lists as you want on any interface
D. you can apply only one access list on any interface
A. spanning-tree mode rapid-pvst
B. spanning-tree uplinkfast
C. spanning-tree backbonefast
D. spanning-tree mode mst
A. they run a spell check on host names to ensure accurate routing
B. they map individual hosts to their specific IP address
C. they convert domain names into IP address
D. Given an IP address,they determine the name of the host that is…
最新試題
After the show ip route command has been entered,the follwing routes are displayed.Which route will not be entered into the routing table of a neighboring router?（）
While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）
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?（）
When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?（）
Which name describes an IPV6 host-enable tunneling technique that uses IPV4 UDP,does not require dedicated gateway tunnels,and can pass through existing IPV4 NAT gateways?（）
Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaion address?（）
What is the subnetwork address for a host with the IP address 201.100.5.68/28?（）
At which layer of the OSI model dose PPP perform?（）
Which command encrypts all plaintext passwords?（）
What is the purpose of the cisco Vlan Trunking protocol?（）