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
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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.
最新試題
On which options are standard access list based?（）
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?（）
Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaion address?（）
What is the default administrative distance of OSPF?（）
A network administrator needs to configure a serial link between the main office and a remote location.The router at the remote office is a non-cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?（）
Which statement is true, as relates to classful or classless routing?（）
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?（）
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?（）
At which layer of the OSI model dose PPP perform?（）
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