你可能感興趣的試題

A.Because of damaged flash memory， the router will fail the POST
B.It will attempt to locate the IOS from a TFTP server. If this fails， it will initiate the setup dialog.
C.It will attempt to locate the IOS from a TFTP server. If this fails， it will load a limited IOS from ROM
D.It will attempt to locate the configuration file from a TFTP server. If this fails， it will initiate the setup dialog.
E.It will attempt to locate the configuration file from a TFTP server. If this fails， it will load a limited configuration from ROM

A.the summarized address for all of the internal subnetted addresses
B.the MAC address of the router used by inside hosts to connect to the Internet
C.a globally unique， private IP address assigned to a host on the inside network
D.a registered address that represents an inside host to an outside network

A.VTP allows routing between VLANs.
B.VTP allows a single port to carry information to more than one VLAN
C.VTP allows physically redundant links while preventing switching loops.
D.VTP allows switches to share VLAN configuration information.

A.point-to-point and multiaccess
B.point-to-multipoint and multiaccess
C.point-to-point and point-to-multipoint
D.nonbroadcast and broadcast multipoint
E.nonbroadcast and broadcast multiaccess

A.to prevent unauthorized Telnet access to a switch port
B.to limit the number of Layer 2 broadcasts on a particular switch port
C.to prevent unauthorized hosts from accessing the LAN
D.to protect the IP and MAC address of the switch and associated ports
E.to block unauthorized access to the switch management interfaces over common TCP ports

A.permit all packets matching the first three octets of the source address to all destinations
B.permit all packets matching the last octet of the destination address and accept all source addresses
C.permit all packets from the third subnet of the network address to all destinations
D.permit all packets matching the host bits in the source address to all destinations
E.permit all packets to destinations matching the first three octets in the destination address

A.Establish a direct link from the switch to all other switches in the network.
B.Assign the switch a higher MAC address than the other switches in the network have.
C.Configure the switch so that it has a lower priority than other switches in the network.
D.Configure the switch for full-duplex operation and configure the other switches for half-duplex operation.
E.Connect the switch directly to the MDF router， which will force the switch to assume the role of root bridge.

A.It is used to validate the sources of VTP advertisements sent between switches.
B.It is used to access the VTP server to make changes to the VTP configuration.
C.It allows two VTP servers to exist in the same domain， each configured with different passwords.
D.It is the password required when promoting a switch from VTP client mode to VTP server mode.
E.It is used to prevent a switch newly added to the network from sending incorrect VLAN information to the other switches in the domain.

A.to verify the type of cable interconnecting two devices
B.to determine the status of network services on a remote device
C.to obtain VLAN information from directly connected switches
D.to verify Layer 2 connectivity between two devices when Layer 3 fails
E.to obtain the IP address of a connected device in order to telnet to the device
F.to determine the status of the routing protocols between directly connected routers

A.Broadcasts only use network layer addressing.
B.A broadcast frame is never forwarded by a switch.
C.A broadcast address will never be the source address of a frame.
D.Broadcast addresses use an incorrect format for the switching table.
E.Broadcast frames are never sent to switches.