A. application
B. presentation
C. session
D. transport
E. internet
F. data link
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A. Layer 2
B. Layer 3
C. Layer 4
D. Layer 5
E. Layer 6
F. Layer 7
A. Authentication needs to be changed to PAP for both routers.
B. Serial IP addresses of routers are not on the same subnet.
C. Username/password is incorrectly configured.
D. Router names are incorrectly configured.
A. The denied MAC addresses have already been learned or confgured on another secure interface in the same VLAN.
B. The denied MAC address are statically configured on the port.
C. The minimum MAC threshold has been reached.
D. The absolute aging times for the denied MAC addresses have expired.
A. to map all the devices on a network.
B. to display the current TCP/IP configuration values.
C. to see how a device MAC address is mapped to its IP address.
D. to see the path a packet will take when traveling to a specified destination.
E. to display the MTU values for each router in a specified network path from source to a destination.
A. denial of service
B. brute force
C. reconnaissance
D. Trojan horse
最新試題
Which IPsec security protocol should be used when confidentiality is required?（）
Which command displays the CHAP authentication process as it occurs between two routers?（）
You have been asked to come up with a subnet mask that will allow all three web servers to be on the same network while providing the max number of subnets.Which network address and subnet mask meet this requirement?（）
A network administrator is trying to add a new router into an established OSPF network.The networks attached to the new router do not appear in the routing tables of the other OSPF routers.Given the information in the partial configuration shown below,what configuration error is causing this problem?（）Router(config)#router ospf 1Router(config-router)#network 10.0.0.0 255.0.0.0 area 0
Three access ports have been installed and configured to a small office.What term defines the wireless topology?（）
Which command is used to display the collection of OSPF link states?（）
What is the default administrative distance of OSPF?（）
A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?（）
Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning-tree instance of vlan 1?（）
Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?（）