[单选题]
Refer to the exhibit. Why has this switch not been elected the root bridge for VLAN1.?
A. It has more than one interface that is connected to the root network segment.
B. It is running RSTP while the elected root bridge is running 802..1.d spanning tree.
C. It has a higher MAC address than the elected root bridge.
D. It has a higher bridge ID than the elected root bridge.

[单选题]
Refer to the exhibit. Why is flash memory erased prior to upgrading the IOS image from the TFTP server?
A. The router cannot verify that the Cisco IOS image currently in flash is valid
B. Flash memory on Cisco routers can contain only a single IOS image.
C. Erasing current flash content is requested during the copy dialog.
D. In order for the router to use the new image as the default, it must be the only IOS image in flash.

[单选题]
Refer to the exhibit.Why dose the telnet connectin fail when a host attempts to connect a remote router?
A. No password was set for tty lines
B. No password was set for aux lines
C. No password was set for vty lines
D. No password was set for cty lines

[单选题]
Refer to the exhibit.Why are two OSPF designated routers identified on Core-Router?
A. Core-Router is connected more than one multi-access network
B. Two router IDs have the same OSPF priority and are therefore tied for DR election
C. The DR ecection is still underway and there are two contenders for the role.

[单选题]
A switch has been configured with two vlans and is connected to a router with a trunk for inter-vlan routing.
OSPF has been configured on the router,as the routing protocol for the network.Which statement about this
Network is true?
A. For the two vlans to communicate,a network statement for the trunk interface needs to be added to theOSPF configuration.
B. For the two vlans to communicate,a network statement for each subinterface needs to be added to theOSPF configuration.
C. Direct inter-vlan communication does not require OSPF.
D. OSPF cannot be used if router-on-a-stick is configured on the router.

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

[多选题]
Refer to the graphic. It has been decided that PC1. should be denied access to Server. Which of the
Following commands are required to prevent only PC1. from accessing Server1. while allowing all other
Traffic to flow normally? (Choose two)
A. Router(config)# interface fa0./0.Router(config-if)# ip access-group 101. out
B. Router(config)# interface fa0./0.Router(config-if)# ip access-group 101. in
C.Router(config)# access-list 101. permit ip any any
D.Router(config)# access-list 101. permit ip any any

[多选题]
Refer to the exhibit. A network associate has configured OSPF with the command:
After completing the configuration, the associate discovers that not all the interfaces are participating in
OSPF. Which three of the interfaces shown in the exhibit will participate in OSPF according to this
Configuration statement? (Choose three.)
A. FastEthernet0. /0.
B. FastEthernet0. /1.
C. Serial0./0.
D. Serial0./1..102.
E. Serial0./1..103.
F. Serial0./1..104.

[多选题]Refer to the exhibit. The router has been configured with these commands:
Hostname Gateway
Interface FastEthernet 0./0.
No shutdown
Interface FastEthernet 0./1.
No shutdown
Interface Serial 0./0.
No shutdown
A.What are the two results of this configuration? (Choose two.)
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.

[单选题]
Refer to the exhibit. The network administrator has discorvered that the VLAN configuration of SwitchC is
Not synchronized with the rest of the switched network. Why is SwitchC not receiving VTP updates?
A. SwitchB is not relaying VTP advertisements to SwitchC.
B. SwitchC has fewer existing VLANs than does SwitchA.
C. SwitchA supports a greater number of VLANs than does SwitchC.
D. SwitchC has revision number higher than that being advertised
E. SwitchC should be operating in VTP server mode to recevie VTP updates.
F. SwitchB should be operating in VTP server or client mode to relay VTP updates.

[单选题]
Refer to the exhibit. An organization connect two locations, supporting two VLANs, through two switches as
Shown. Inter-VLANs communicated is not required. The network is working properly and there is fully
Connectivity. The organization needs to add additional VLANs, so it has been decided to implement VTP.
Both switches are configured as VTP servers in the same VTP domain. VLANs added to Switch1. are not
Learned by Switch2.. Based on this information and partial configuration is the exhibit, what is the problem?
A. Switch2. should be configured as a VTP client.
B. VTP is Cisco proprietory and requires a different trunking encapsulation
C. A router is required to route VTP advertisements between the swtiches.
D. STP has blocked on of the links between the switches, limiting connectivity.
E. The links between the switches are access links.

[单选题]
Refer to the exhibit. A network administrator attempts to ping Host2. from Host1. and receives the result that
Are shown. What is a possible problem?
A. The link between Host1. and Switch1. is down.
B. TCP/IP is not functioning on Host1..
C. The link between Router1. and Router2. is down.
D. The default gateway on Host1. is incorrect.
E. Interface Fa0./0. on Router1. is shudown.
F. The link between Switch1. and Router1. is down.

[单选题]
Refer to the topology and router output shown in the exhibit. A technician is troubleshooting host
Connectivity issues on the switches. The hosts in VLANs 10. and 15. on Sw11. are unable to communicate
With hosts in the same VLANs on Sw12.. Hosts in the Admin VLAN are able to communicate. The port-to-
VLAN assignments are identical on the two switches. What could be the problem?
A. The Fa0./1. port is not operational on one of the switches.
B. The Link connecting the switches has not been configured as a trunk.
C. At lease one port needs to be configured in VLAN 1. for VLANs 10. and 15. to be able to communicate.
D. Port FastEthernet 0./1. needs to be configured as an access link on both switches.
E. A router is required for hosts on Sw11. in VLANs 10. and 15. to communicate with hosts in the sameVLAN on Sw12..

[单选题]
Refer to the exhibit,a network administrator cannot establish a telnet session with the indicated router.Whatis the cause of this failure?
A. A level 5. password is not set
B. The vty password is missing
C. The console password is missing
D. An ACL is blocking Telnet access

[单选题]
Refer to the exhibit.
The network administrator has created a new VLAN on Switch1. and added host C and host DThe
Administrator has properly configured switch interfaces FastEthernet0./13. through FastEthernet0./24. to be
Members of the new VLAN. However, after the network administrator completed the configuration, host A
Could communicate with host
B, but host A could not communicate with host C or host DWhich
Commands are required to resolve this problem?
A. Router(config)# interface fastethernet 0./1..3.Router(config-if)# encapsulation dot1.q 3.
B. Router(config)# router rip
C. Switch1.# vlan databaseSwitch1.(vlan)# vtp v2.-modeSwitch1.(vlan)# vtp domain ciscoSwitch1.(vlan)# vtp server
D. Switch1.(config)# interface fastethernet 0./1.Switch1.(config-if)# switchport mode trunkSwitch1.(config-if)# switchport trunk encapsulation isl