JQuiz Instructions

What is the function of the command switchport trunk native vlan 999 on a Cisco catalyst switch?
1. It designates VLAN 999 for untagged traffic
2. It blocks VLAN 999 traffic from passing on the trunk
3. It creates a VLAN 999 interface
4. It designates VLAN 999 as the default for all unknown tagged traffic
Which two protocols are used by bridges and/or switches to prevent loops in a layer 2 network? (choose two)
1. 802.1D
2. VTP
3. 802.1q
4. STP
5. SAP
A network administrator needs to configure port security on a switch. Which two statements are true? (choose two)
1. The network administrator can apply port security to dynamic access points
2. When dynamic MAC address learning is enabled on an interface, the switch can learn new addresses, up to the maximum defined.
3. The network administrator can configure static secure or sticky secure MAC addresses in the voice VLAN
4. The network administrator can apply port security to Etherchannel
5. The sticky learning feature allows the addition of dynamically learned addresses to the running configuration.
What are the possible trunking modes for a switch port? (choose 3)
1. Transparent
2. Auto
3. On
4. Desirable
5. Client
6. Forwarding
Which VTP mode is capable of creating only local VLANs and does not synchronise with other switches in the VTP domain?
1. A client
2. Dynamic
3. Server
4. Static
5. Transparent
A switch is configured as a VTP server with a domain name of XYZ. Which cisco IOS privileged mode command, followed by a reload of the switch will reset the VTP management domain name of the switch to a NULL value?
1. #vtp domain unset
2. #del vlan.dat
3. #no vtp domain
4. #vtp domain null
Which set of commands is recommended to prevent the use of a hub in the access layer?
1. Switch(config-if)#switchport mode trunk
  Switch(config-if)#switchport port-security maximum 1
2. Switch(config-if)#switchport mode trunk
  Switch(config-if)#switchport port-security mac-address 1
3. Switch(config-if)#switchport mode access
  Switch(config-if)#switchport port-security maximum 1
4. Switch(config-if)#switchport mode access
  Switch(config-if)#switchport port-security mac-address 1
Select the action that results from executing these commands.
Switch(config-if)#switchport port-security
Switch(config-if)#switchport port-security mac-address sticky
1. A dynamically learned MAC address is saved in the startup-config file
2. A dynamically learned MAC address is saved in the running-config file
3. A dynamically learned MAC address is saved in the VLAN database
4. Statically configured MAC addresses are saved in the startup-config file if frames from that address are received
5. Statically configured MAC addresses are saved in the running-config file if frames from that address are received
VLAN 3 is not yet configured on your switch. What happens if you set the switchport access vlan 3 command in interface configuration mode?
1. The command is accepted and the respective VLAN is added to vlan.dat
2. The command is rejected
3. The command is accepted and you must configure the VLAn manually
4. The port turns amber
Refer to the exhibit, switch port FastEthernet 0/24 on ALSwitch1 will be used to create an IEEE 802.1Q compliant trunk to another switch. Based on the output shown, what is the reason the trunk does not form, even though proper cabling has been attached?
1. VLANs have not been created yet
2. An IP address must be configured for the port
3. The port is currently configured for access mode
4. The correct encapsulation type has not been configured
5. The no shutdown command has not been entered for the port
The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch. What must be done to ensure that this new switch becomes the root bridge on the network?
1. Lower the bridge priority number
2. Change the MAC address of the switch
3. Increase the VTP revision number for the domain
4. Lower the root path cost on the switch ports
5. Assign the switch an IP address with the lowest value
Which statement about VLAN operation on Cisco catalyst switches is true?
1. When a packet is received from an 802.1Q trunk, the VLAN id can be determined from the source MAC address table.
2. Unknown unicast frames are retransmitted only to the ports that belong to the same VLAN
3. Ports between switches should be configured in access mode so that VLANs can span across the ports
4. Broadcast and multicast frames are retransmitted to ports that are configured on different VLAN
What are three valid reasons to assign ports to VLANs on a switch?
1. To make VTP easier to implement
2. To isolate broadcast traffic
3. To increase the size of the collision domain
4. To allow more devices to connect to the network
5. To logically group hosts according to function
6. To increase network security
Which protocol provides a method of sharing VLAN configuration information between two Cisco switches?
1. VTP
2. 802.1Q
3. STP
4. RSTP
Refer to the exhibit; the 3 catalyst 2950 switches have been configured for VTP. Trunking is properly configured and operational on all three switches. The show vlan command issued on SwitchC displays only the default VLANs. Based on the output from the show vtp status commands shown in the exhibit, why is this true?
1. Only the default VLANs are configured on SwitchA
2. SwitchA does not have a VTP domain name configured
3. VTP pruning needs to be enabled on SwitchA
4. SwitchC needs to have the VTP domain name configured
5. SwitchB is in transparent mode
Which command will show the MAC addresses of stations connected to switch ports?
1. Show mac-address
2. Show arp
3. Show table
4. Show switchport
What is a valid reason for a switch to deny port access to new devices when port security is enabled?
1. The denied MAC addresses have already been learned or configured on another secure interface in the same VLAN
2. The denied MAC addresses are statically configured on the port
3. The minimum MAC threshold has been reached
4. The absolute aging times for the denied MAC addresses have expired
A switch is configured with all ports assigned to VLAN 2. In addition, all ports are configured as full-duplex FastEthernet. What is the effect of adding switch ports to a new VLAN on this switch?
1. The additions will create more collisions domains
2. An additional broadcast domain will be created
3. More bandwidth will be required that was needed previously
4. IP address utilization will be more efficient
The switches shown in the diagram, Core and Core2, are both Catalyst 2950s. The addressing scheme for each company site is as follows:

Router Ethernet port – 1st usable address
Core – 2nd usable address
Core2 – 3rd usable address
For this network, which of the following commands must be configured on Core2 to allow it to be managed remotely from any subnet on the network? (choose three)
1. Core2(config)# interface f0/0
  Core2(config-if)# ip address 192.168.1.10 255.255.255.248
2. Core2(config)# interface vlan 1
  Core2(config-if)# ip address 192.168.1.11 255.255.255.248
3. Core2(config)# line con 0
  Core2(config-line)# password cisco
4. Core2(config)# line vty 0 4
  Core2(config-line)# password cisco
5. Core2(config)# ip route 0.0.0.0 0.0.0.0 192.168.1.8
6. Core2(config)# ip default-gateway 192.168.1.9
Based on the network shown in the graphics which option contains both the potential and the protocol or setting that should be used to prevent the problem?
1. Routing loops, hold down times
2. Switching loops, split horizon
3. Routing loops, split horizon
4. Switching loops, VTP
5. Routing loops, STP
6. Switching loops, STP
Which two of these statements regarding RSTP are correct? (choose two)
1. RSTP cannot operate with PVST+
2. RSTP defines new port roles
3. RSTP defines no new port states
4. RSTP is a proprietary implantation of IEEE 802.1D STP
5. RSTP is compatible with the original IEEE 802.1D STP
What are two reasons a network administrator would use CDP? (choose two)
1. To obtain VLAN information from directly connected switches
2. To determine the status of network services on a remote device
3. To determine the status of the routing protocols between directly connected routers
4. To verify the type of cable interconnecting two devices
5. To verify layer 2 connectivity between two devices when layer 3 fails
6. To obtain the IP address of a connected device in order to telnet to the device
Which values is used by Spanning Tree Protocol to elect a root bridge?
1. Bridge priority
2. IP address
3. IOS version
4. Amount of RAM
5. Speed of the links
On the basis of the IEEE 802.1w standard, which two switch ports can forward traffic?
1. Alternate
2. Backup
3. Designated
4. Disabled
5. Root
Refer to the exhibit, given the output shown from this Cisco Catalyst 2950, what is the most likely reason that interface FastEthernet 0/10 is no the root port for VLAN 2?
1. This switch has more than one interface connected to the root network segment in VLAN 2
2. This switch is running RSTP while the elected designated switch is running 802.1D STP
3. This switch interface has a higher path cost to the root bridge that another in the topology
4. This switch has a lower bridge IP for VLAN 2 than the elected designated switch
Refer to the exhibit, which statement is true?
1. The Fa0/11 role confirms that SwitchA is the root bridge for VLAN 20
2. VLAN 20 is running the Per VLAN STP
3. The MAC address of the root bridge is 0017.596d.1580
4. SwitchA is not the root bridge, because not all of the interface roles are designated
Refer to the exhibit; a system administrator installed a new switch using a script to configure it. IP connectivity was tested using pings to SwitchB. Later attempts to access NewSwitch using telnet from SwitchA failed. Which statement is true?
1. Executing password recovery is required
2. The virtual terminal lines are misconfigured
3. Use Telnet to connect to RouterA and then to Newswithc to correct the error
4. Power cycle of NewSwitch will return it to a default configuration
Which Cisco Catalyst feature automatically disables the port in an operational PortFast upon receipt of a BPDU?
1. BackboneFast
2. Uplink Fast
3. Root Guard
4. BPDU Guard
5. BPDU Filter
QoS policies are applied on the switches of a LAN. Which type of command will show the effects of the policy in real time?
1. Show command
2. Debug command
3. Configuration command
4. Rommon command
Which port state is introduced by Rapid-PVST?
1. Learning
2. Listening
3. Discarding
4. Forwarding