A.It divides the network communication process into smaller and simpler components， thus aiding component development， design， and troubleshooting.
B.It enables equipment from different vendors to use the same electronic components， thus saving research and development funds.
C.It supports the evolution of multiple competing standards， and thus provides business opportunities for equipment manufacturers.
D.It encourages industry standardization by defining what functions occur at each layer of the model.
E.It provides a means by which changes in functionality in one layer require changes in other layers.
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A.FTP
B.Telnet
C.SMTP
D.DNS
E.HTTP
F.POP3
A.console password
B.vty password
C.aux password
D.tty password
E.enable secret password
F.username password
A.It provides dynamic neighbor discovery.
B.It detects unreachable neighbors in 90 second intervals.
C.It maintains neighbor relationships.
D.It negotiates correctness parameters between neighboring interfaces.
E.It uses timers to elect the router with the fastest links as the designated router.
F.It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF
A.Configure port Fa0/1 to accept connections only from the static IP address of the server.
B.Employ a proprietary connector type on Fa0/1 that is incompatible with other host connectors.
C.Configure the MAC address of the server as a static entry associated with port Fa0/1.
D.Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.
E.Configure port security on Fa0/1 to reject traffic with a source MAC address other than that of the server.
F.Configure an access list on the switch to deny server traffic from entering any port other than Fa0/1.
A.application layer
B.session layer
C.transport layer
D.network layer
E.datalink layer
F.physical layer
最新試題
If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?（）
What is the default administrative distance of OSPF?（）
Which statement is true, as relates to classful or classless routing?（）
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 Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?（）
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?（）
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 command is used to display the collection of OSPF link states?（）
At which layer of the OSI model is RSTP used to prevent loops?（）