多項選擇題What are two benefits of using VTP in a switching environment?（）

A.It allows switches to read frame tags.
B.It allows ports to be assigned to VLANs automatically.
C.It maintains VLAN consistency across a switched network.
D.It allows frames from multiple VLANs to use a single interface.
E.It allows VLAN information to be automatically propagated throughout the switching environment.


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1.多項選擇題Which two are advantages of static routing when compared to dynamic routing?（）

A.Security increases because only the network administrator may change the routing tables.
B.Configuration complexity decreases as network size increases.
C.Routing updates are automatically sent to neighbors.
D.Route summarization iscompued automatically by the router.
E.Routing traffic load is reduced when used in stub network links.
F.An efficient algorithm is used to build routing tables,using automatic updates.
G.Routing tables adapt automatically to topology changes.

2.單項選擇題In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switchedLAN？（）

A.after broken links are re-established
B.in an improperly implemented redundant topology
C.when upper-layer protocols require high reliability
D.during high traffic periods
E.when a dual ring topology is in use

3.單項選擇題Which command sets and automatically encrypts the privileged enable mode password？（）

A.enbale password c1sco
B.secret enable c1sco
C.password enable c1sco
D.enable secret c1sco

4.單項選擇題Which statement is true？（）

A.An IPv6 address is 64 b long and is represented as hexadecimal characters.
B.An IPv6 address is 32 b long and is represented as decimal digits.
C.An IPv6 address is 128 b long and is represented as decimal digits.
D.An IPv6 address is 128 b long and is represented as hexadecimal characters

6.多項選擇題What are the two results of this configuration? （）

A.The default route should have a next hop address of 64.100.0.3.
B.Hosts on the LAN that is connected to FastEthernet 0/1 are using public IP addressing.
C.The address of the subnet segment with the WWW server will support seven more servers.
D.The addressing scheme allows users on the Internet to access the WWW server.
E.Hosts on the LAN that is connected to FastEthernet 0/1 will not be able to access the Internet without address translation.

7.多項選擇題What are two reasons a network administrator would use CDP? （）

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

8.多項選擇題Which two locations can be configured as a source for the IOS image in the boot system command?（）

A.RAM
B.NVRAM
C.flash memory
D.HTTP server
E.TFTP server
F.Telnet server

9.多項選擇題A network administrator is explaining VTP configuration to a new technician. What should the network administrator tell the new technician about VTP configuration? （）

A.A switch in the VTP client mode cannot update its local VLAN database.
B.A trunk link must be configured between the switches to forward VTP updates.
C.A switch in the VTP server mode can update a switch in the VTP transparent mode.
D.A switch in the VTP transparent mode will forward updates that it receives to other switches.
E.A switch in the VTP server mode only updates switches in the VTP client mode that have a higher VTP revision number.
F.A switch in the VTP server mode will update switches in the VTP client mode regardless of the configured VTP domain membership.