200-301: Cisco Certified Network Associate (CCNA)

Question #: 241
Topic #: 1
An engineer requires a switch interface to actively attempt to establish a trunk link with a neighbor switch. What command must be configured?

A. switchport mode trunk
B. switchport mode dynamic desirable
C. switchport nonegotiate
D. switchport mode dynamic auto

Selected Answer: B

Question #: 242
Topic #: 1
Refer to the exhibit. After the election process, what is the root bridge in the HQ LAN?

Switch 1: 0C:E0:38:81:32:58 –

Switch 2: 0C:0E:15:22:1A:61 –

Switch 3: 0C:0E:15:1D:3C:9A –

Switch 4: 0C:E0:19:A1:4D:16 –

A. Switch 1
B. Switch 2
C. Switch 3
D. Switch 4

Selected Answer: C

Question #: 243
Topic #: 1
An engineer must establish a trunk link between two switches. The neighboring switch is set to trunk or desirable mode. What action should be taken?

A. configure switchport nonegotiate
B. configure switchport mode dynamic desirable
C. configure switchport mode dynamic auto
D. configure switchport trunk dynamic desirable

Selected Answer: B

Question #: 244
Topic #: 1
Which spanning-tree enhancement avoids the learning and listening states and immediately places ports in the forwarding state?

A. BPDUfilter
B. PortFast
C. Backbonefast
D. BPDUguard

Selected Answer: B

Question #: 245
Topic #: 1
How does the dynamically-learned MAC address feature function?

A. The CAM table is empty until ingress traffic arrives at each port
B. Switches dynamically learn MAC addresses of each connecting CAM table.
C. The ports are restricted and learn up to a maximum of 10 dynamically-learned addresses
D. It requires a minimum number of secure MAC addresses to be filled dynamically

Selected Answer: B

Question #: 246
Topic #: 1
When using Rapid PVST+, which command guarantees the switch is always the root bridge for VLAN 200?

A. spanning-tree vlan 200 priority 614440
B. spanning-tree vlan 200 priority 0
C. spanning-tree vlan 200 root primary
D. spanning-tree vlan 200 priority 38813258

Selected Answer: C

Question #: 247
Topic #: 1
Refer to the exhibit. Which command must be executed for Gi1/1 on SW1 to passively become a trunk port if Gi1/1 on SW2 is configured in desirable or trunk mode?

A. switchport mode dynamic auto
B. switchport mode dot1-tunnel
C. switchport mode dynamic desirable
D. switchport mode trunk

Selected Answer: A

Question #: 248
Topic #: 1
Refer to the exhibit. The entire contents or the MAC address table are shown. Sales-4 sends a data frame to Sales-1.

What does the switch do as it receives the frame from Sales-4?

A. Map the Layer 2 MAC address to the Layer 3 IP address and forward the frame.
B. Insert the source MAC address and port into the forwarding table and forward the frame to Sales-1.
C. Perform a lookup in the MAC address table and discard the frame due to a missing entry.
D. Flood the frame out of all ports except on the port where Sales-1 is connected.

Selected Answer: B

Question #: 249
Topic #: 1
Refer to the exhibit. An engineer must configure GigabitEthernet1/1 to accommodate voice and data traffic. Which configuration accomplishes this task?

A. interface gigabitethernet1/1 switchport mode access switchport access vlan 300 switchport voice vlan 400
B. interface gigabitethernet1/1 switchport mode trunk switchport trunk vlan 300 switchport trunk vlan 400
C. interface gigabitethernet1/1 switchport mode access switchport voice vlan 300 switchport access vlan 400
D. interface gigabitethernet1/1 switchport mode trunk switchport trunk vlan 300 switchport voice vlan 400

Selected Answer: A

Question #: 250
Topic #: 1
An engineer needs to add an old switch back into a network. To prevent the switch from corrupting the VLAN database, with action must be taken?

A. Add the switch in the VTP domain with a lower revision number.
B. Add the switch in the VTP domain with a higher revision number.
C. Add the switch with DTP set to dynamic desirable.
D. Add the switch with DTP set to desirable.

Selected Answer: A

Question #: 251
Topic #: 1
Which technology prevents client devices from arbitrarily connecting to the network without state remediation?

A. 802.11n
B. 802.1x
C. MAC Authentication Bypass
D. IP Source Guard

Selected Answer: B

Question #: 252
Topic #: 1
Which protocol does an access point use to draw power from a connected switch?

A. Internet Group Management Protocol
B. Cisco Discovery Protocol
C. Adaptive Wireless Path Protocol
D. Neighbor Discovery Protocol

Selected Answer: B

Question #: 253
Topic #: 1
An administrator must secure the WLC from receiving spoofed association requests. Which steps must be taken to configure the WLC to restrict the requests and force the user to wait 10 ms to retry an association request?

A. Enable MAC filtering and set the SA Query timeout to 10.
B. Enable 802.1x Layer 2 security and set the Comeback timer to 10.
C. Enable Security Association Teardown Protection and set the SA Query timeout to 10.
D. Enable the Protected Management Frame service and set the Comeback timer to 10.

Selected Answer: C

Question #: 254
Topic #: 1
Refer to the exhibit. Only four switches are participating in the VLAN spanning-tree process.

Branch-1: priority 614440 –

Branch-2: priority 39391170 –

Branch-3: priority 0 –

Branch-4: root primary –
Which switch becomes the permanent root bridge for VLAN 5?

A. Branch-1
B. Branch-2
C. Branch-3
D. Branch-4

Selected Answer: C

Question #: 255
Topic #: 1
An engineer must configure traffic for a VLAN that is untagged by the switch as it crosses a trunk link. Which command should be used?

A. switchport trunk encapsulation dot1q
B. switchport trunk allowed vlan 10
C. switchport mode trunk
D. switchport trunk native vlan 10

Selected Answer: D

Question #: 256
Topic #: 1
What are two benefits of using the PortFast feature? (Choose two.)

A. Enabled interfaces are automatically placed in listening state.
B. Enabled interfaces wait 50 seconds before they move to the forwarding state.
C. Enabled interfaces never generate topology change notifications.
D. Enabled interfaces come up and move to the forwarding state immediately.
E. Enabled interfaces that move to the learning state generate switch topology change notifications.

Selected Answer: CD

Question #: 257
Topic #: 1
What is the benefit of configuring PortFast on an interface?

A. The frames entering the interface are marked with the higher priority and then processed faster by a switch.
B. After the cable is connected, the interface is available faster to send and receive user data.
C. Real-time voice and video frames entering the interface are processed faster.
D. After the cable is connected, the interface uses the fastest speed setting available for that cable type.

Selected Answer: B

Question #: 258
Topic #: 1
DRAG DROP –
Drag and drop the functions of AAA supporting protocols from the left onto the protocols on the right.
Select and Place:

Suggestion Answer:

Question #: 259
Topic #: 1
Why does a switch flood a frame to all ports?

A. The frame has zero destination MAC addresses.
B. The destination MAC address of the frame is unknown.
C. The source MAC address of the frame is unknown
D. The source and destination MAC addresses of the frame are the same.

Selected Answer: B

Question #: 260
Topic #: 1
An engineer configures interface Gi1/0 on the company PE router to connect to an ISP. Neighbor discovery is disabled.

Which action is necessary to complete the configuration if the ISP uses third-party network devices?

A. Disable autonegotiation.
B. Enable LLDP globally.
C. Enable LLDP-MED on the ISP device.
D. Disable Cisco Discovery Protocol on the interface.

Selected Answer: B

Question #: 261
Topic #: 1
DRAG DROP –
Drag and drop the Rapid PVST+ forwarding state actions from the left to the right. Not all actions are used.
Select and Place:

Suggestion Answer:

Question #: 262
Topic #: 1
Which access point mode relies on a centralized controller for management, roaming, and SSID configuration?

A. lightweight mode
B. autonomous mode
C. bridge mode
D. repeater mode

Selected Answer: A

Question #: 263
Topic #: 1
Refer to the exhibit. A network engineer must configure communication between PC A and the File Server. To prevent interruption for any other communications, which command must be configured?

A. switchport truck allowed vlan 12
B. switchport truck allowed vlan none
C. switchport truck allowed vlan add 13
D. switchport truck allowed vlan remove 10-11

Selected Answer: C

Question #: 264
Topic #: 1
Refer to the exhibit. What is the result if Gig1/11 receives an STP BPDU?

A. The port transitions to STP blocking.
B. The port immediately transitions to STP forwarding.
C. The port goes into error-disable state.
D. The port transitions to the root port.

Selected Answer: C

Question #: 265
Topic #: 1
Which access layer threat-mitigation technique provides security based on identity?

A. Dynamic ARP Inspection
B. DHCP snooping
C. 802.1x
D. using a non-default native VLAN

Selected Answer: C

Question #: 266
Topic #: 1
Refer to the exhibit. Which action do the switches take on the trunk link?

A. The trunk does not form, and the ports go into an err-disabled status.
B. The trunk forms, but the mismatched native VLANs are merged into a single broadcast domain.
C. The trunk forms, but VLAN 99 and VLAN 999 are in a shutdown state.
D. The trunk does not form, but VLAN 99 and VLAN 999 are allowed to traverse the link.

Selected Answer: C

Question #: 267
Topic #: 1
A network engineer must configure two new subnets using the address block 10.70.128.0/19 to meet these requirements:
✑ The first subnet must support 24 hosts.
✑ The second subnet must support 472 hosts.
✑ Both subnets must use the longest subnet mask possible from the address block.
Which two configurations must be used to configure the new subnets and meet a requirement to use the first available address in each subnet for the router interfaces? (Choose two.)

A. interface vlan 1148 ip address 10.70.148.1 255.255.254.0
B. interface vlan 3002 ip address 10.70.147.17 255.255.255.224
C. interface vlan 4722 ip address 10.70.133.17 255.255.255.192
D. interface vlan 1234 ip address 10.70.159.1 255.255.254.0
E. interface vlan 155 ip address 10.70.155.65 255.255.255.224

Selected Answer: AE

Question #: 268
Topic #: 1
Refer to the exhibit. An administrator must configure interfaces Gi1/1 and Gi1/3 on switch SW11. PC-1 and PC-2 must be placed in the Data VLAN, and Phone-1 must be placed in the Voice VLAN. Which configuration meets these requirements?

A. interface gigabitethernet1/1 switchport mode access switchport access vlan 8 ! interface gigabitethernet1/3 switchport mode access switchport access vlan 8 switchport voice vlan 9
B. interface gigabitethernet1/1 switchport mode access switchport access vlan 8 ! interface gigabitethernet1/3 switchport mode trunk switchport trunk vlan 8 switchport voice vlan 9
C. interface gigabitethernet1/1 switchport mode access switchport access vlan 9 ! interface gigabitethernet1/3 switchport mode trunk switchport trunk vlan 8 switchport trunk vlan 9
D. interface gigabitethernet1/1 switchport mode access switchport access vlan 8 ! interface gigabitethernet1/3 switchport mode access switchport voice vlan 8 switchport access vlan 9

Selected Answer: A

Question #: 269
Topic #: 1
Refer to the exhibit. Users need to connect to the wireless network with IEEE 802.11r-compatible devices. The connection must be maintained as users travel between floors or to other areas in the building. What must be the configuration of the connection?

A. Disable AES encryption.
B. Enable Fast Transition and select the FT 802.1x option.
C. Enable Fast Transition and select the FT PSK option.
D. Select the WPA Policy option with the CCKM option.

Selected Answer: C

Question #: 270
Topic #: 1
Refer to the exhibit. An engineer is asked to insert the new VLAN into the existing trunk without modifying anything previously configured. Which command accomplishes this task?

A. switchport trunk allowed vlan 100-104
B. switchport trunk allowed vlan 104
C. switchport trunk allowed vlan all
D. switchport trunk allowed vlan add 104

Selected Answer: D

Question #: 271
Topic #: 1
Aside from discarding, which two states does the switch port transition through while using RSTP (802.1w)? (Choose two.)

A. blocking
B. speaking
C. listening
D. learning
E. forwarding

Selected Answer: DE

Question #: 272
Topic #: 1
DRAG DROP –
Drag and drop the facts about wireless architectures from the left onto the types of access point on the right. Not all options are used.
Select and Place:

Suggestion Answer:

Question #: 273
Topic #: 1
Which interface mode must be configured to connect the lightweight APs in a centralized architecture?

A. WLAN dynamic
B. trunk
C. access
D. management

Selected Answer: C

Question #: 274
Topic #: 1
Refer to the exhibit. The following must be considered:
✑ SW1 is fully configured for all traffic.
✑ The SW4 and SW9 links to SW1 have been configured.
✑ The SW4 interface Gi0/1 and Gi0/0 on SW9 have been configured.
✑ The remaining switches have had all VLANs added to their VLAN database.
Which configuration establishes a successful ping from PC2 to PC7 without interruption to traffic flow between other PCs?

A. SW4 interface Gi0/7 switchport mode trunk switchport trunk allowed vlan 108 ! interface Gi/0/2 switchport mode access switchport access vlan 14 SW11# interface Gi0/2 switchport mode trunk switchport trunk allowed vlan 14,108 ! interface Gi0/1 switchport mode trunk switchport trunk allowed vlan 14,108 SW9# interface Gi0/2 switchport mode access switchport access vlan 14
B. SW4 interface Gi0/2 switchport mode trunk switchport trunk allowed vlan 14,108 SW11# interface Gi0/2 switchport mode trunk switchport trunk allowed vlan 14,108 !! interface Gi0/1 switchport mode trunk switchport trunk allowed vlan 14,108 SW9# interface Gi0/2 switchport mode trunk switchport trunk allowed vlan 14
C. SW4 interface Gi0/2 switchport mode trunk switchport trunk allowed vlan 14 SW11# interface Gi0/1 switchport mode trunk switchport trunk allowed vlan 14 SW9# interface Gi0/2 switchport mode trunk switchport trunk allowed vlan 108
D. SW4 interface Gi/0/2 switchport mode access switchport access vlan 14 SW11# interface Gi0/2 switchport mode trunk switchport trunk allowed vlan 14 ! interface Gi0/0 switchport mode access switchport access vlan 14 ! interface Gi0/1 switchport mode trunk SW9# interface Gi0/2 switchport mode access switchport access vlan 14

Selected Answer: B

Question #: 275
Topic #: 1
Refer to the exhibit. The network administrator must prevent the switch Cat9K-2 IP address from being visible in LLDP without disabling the protocol. Which action must be taken to complete the task?

A. Configure the no lldp mac-phy-cfg command globally on Cat9K-2.
B. Configure the no lldp receive command on interface G1/0/21 on Cat9K-1.
C. Configure the no lldp transmit command on interface G1/0/21 on Cat9K-1.
D. Configure the no lldp tlv-select management-address command globally on Cat9K-2.

Selected Answer: D

Question #: 276
Topic #: 1
Refer to the exhibit. An engineer has started to configure replacement switch SW1. To verify part of the configuration, the engineer issued the commands as shown and noticed that the entry for PC2 is missing. Which change must be applied to SW1 so that PC1 and PC2 communicate normally?

A. SW1(config)#interface fa0/2 SW1(config-if)#no switchport access vlan 2 SW1(config-if)#no switchport trunk allowed vlan 3 SW1(config-if)#switchport trunk allowed vlan 2
B. SW1(config)#interface fa0/2 SW1(config-if)#no switchport access vlan 2 SW1(config-if)#switchport trunk native vlan 2 SW1(config-if)#switchport trunk allowed vlan 3
C. SW1(config)#interface fa0/2 SW1(config-if)#no switchport mode trunk SW1(config-if)#no switchport trunk allowed vlan 3 SW1(config-if)#switchport mode access
D. SW1(config)#interface fa0/1 SW1(config-if)#no switchport access vlan 2 SW1(config-if)#switchport access vlan 3 SW1(config-if)#switchport trunk allowed vlan 2

Selected Answer: C

Question #: 277
Topic #: 1
Refer to the exhibit. Which switch becomes the root of the spanning tree?

Switch 1 –

BID: 32778 0018.184e.3c00 –

Switch 2 –

BID: 24586 001a.e3ff.a680 –

Switch 3 –

BID: 28682 0022.55cf.cc00 –

Switch 4 –

BID: 64000 4e15.8403.08f –

A. Switch 1
B. Switch 2
C. Switch 3
D. Switch 4

Selected Answer: B

Question #: 278
Topic #: 1
DRAG DROP –
Drag and drop the facts about wireless architectures from the left onto the types of access point on the right. Not all options are used.
Select and Place:

Suggestion Answer:

Question #: 279
Topic #: 1
Refer to the exhibit. An engineer is configuring a Layer 3 port-channel interface with LACP. The configuration on the first device is complete, and it is verified that both interfaces have registered the neighbor device in the CDP table. Which task on the neighbor device enables the new port channel to come up without negotiating the channel?

A. Configure the IP address of the neighboring device.
B. Bring up the neighboring interfaces using the no shutdown command.
C. Change the EtherChannel mode on the neighboring interfaces to auto.
D. Modify the static EtherChannel configuration of the device to passive mode.

Selected Answer: D

Question #: 280
Topic #: 1
Refer to the exhibit. Which configuration establishes a Layer 2 LACP EtherChannel when applied to both switches?

A. Interface range G1/1 ג€” 1/3 switchport mode trunk channel-group 1 mode active no shutdown
B. Interface range G1/1 ג€” 1/3 switchport mode access channel-group 1 mode passive no shutdown
C. Interface range G1/1 ג€” 1/3 switchport mode trunk channel-group 1 mode desirable no shutdown
D. Interface range G1/1 ג€” 1/3 switchport mode access channel-group 1 mode on no shutdown

Selected Answer: A

Question #: 281
Topic #: 1
Which switching concept is used to create separate broadcast domains?

A. STP
B. VTP
C. VLAN
D. CSMA/CD

Selected Answer: C

Question #: 282
Topic #: 1
Refer to the exhibit. Which action must be taken so that neighboring devices rapidly discover switch Cat9300?

A. Enable portfast on the ports that connect to neighboring devices.
B. Configure the cdp timer 10 command on switch Cat9300.
C. Configure the cdp holdtime 10 command on switch Cat9300
D. Configure the cdp timer 10 command on the neighbors of switch Cat9300

Selected Answer: B

Question #: 283
Topic #: 1
What is a requirement when configuring or removing LAG on a WLC?

A. The incoming and outgoing ports for traffic flow must be specified if LAG is enabled.
B. The management interface must be reassigned if LAG is disabled
C. The controller must be rebooted after enabling or reconfiguring LAG
D. Multiple untagged interfaces on the same port must be supported

Selected Answer: C

Question #: 284
Topic #: 1
DRAG DROP –
Drag and drop the threat-mitigation techniques from the left onto the types of threat or attack they mitigate on the right.
Select and Place:

Suggestion Answer:

Question #: 285
Topic #: 1
Which type of port is used to connect the wired network when an autonomous AP maps two VLANs to its WLANs?

A. access
B. LAG
C. trunk
D. EtherChannel

Selected Answer: C

Question #: 286
Topic #: 1
A network administrator needs to aggregate 4 ports into a single logical link which must negotiate layer 2 connectivity to ports on another switch. What must be configured when using active mode on both sides of the connection?

A. LLDP
B. LACP
C. Cisco vPC
D. 802 1q trunks

Selected Answer: B

Question #: 287
Topic #: 1
Refer to the exhibit. An engineer built a new L2 LACP EtherChannel between SW1 and SW2 and executed these show commands to verify the work establish an
LACP port channel?

A. Change the channel-group mode on SW1 to desirable
B. Change the channel-group mode on SW1 to active or passive
C. Change the channel-group mode on SW2 to auto
D. Configure the interface port-channel 1 command on both swtiches

Selected Answer: B

Question #: 288
Topic #: 1
Refer to the exhibit. For security reasons, automatic neighbor discovery must be disabled on the R5 Gi0/1 interface. These tasks must be completed:
✑ Disable all neighbor discovery methods on R5 interface Gi0/1
✑ Permit neighbor discovery on R5 interface Gi0/2.
✑ Verify there are no dynamically learned neighbors on R5 interface Gi0/1.
✑ Display the IP address of R6’s interface Gi0/2
Which configuration must be used?

A. R5(config)#int Gi0/1 R5(config-if)#no cdp enable R5(config-if)#exit R5(config)#lldp run R5(config)#no cdp run R5#sh cdp neighbor detail R5#sh lldp neighbor
B. R5(config)#int Gi0/1 R5(config-if)#no cdp enable R5(config-if)#exit R5(config)#no lldp run R5(config)#cdp run R5#sh cdp neighbor R5#sh lldp neighbor
C. R5(config)#int Gi0/1 R5(config-if)#no cdp run R5(config-if)#exit R5(config)#lldp run R5(config)#cdp enable R5#sh cdp neighbor R5#sh lldp neighbor
D. R5(config)#int Gi0/1 R5(config-if)#no cdp enable R5(config-if)#exit R5(config)#no lldp run R5(config)#cdp run R5#sh cdp neighbor detail R5#sh lldp neighbor

Selected Answer: D

Question #: 289
Topic #: 1
Which two spanning-tree states are bypassed on an interface running PortFast? (Choose two.)

A. disabled
B. listening
C. learning
D. blocking
E. forwarding

Selected Answer: BC

Question #: 290
Topic #: 1
DRAG DROP –
Drag and drop the management connection types from the left onto the definitions on the right.
Select and Place:

Suggestion Answer:

Question #: 291
Topic #: 1
An engineer is configuring data and voice services to pass through the same port. The designated switch interface fastethernet0/1 must transmit packets using the same priority for data when they are received from the access port of the IP phone. Which configuration must be used?

A. interface fastethernet0/1 switchport voice vlan dot1p
B. interface fastethernet0/1 switchport priority extend cos 7
C. interface fastethernet0/1 switchport voice vlan untagged
D. interface fastethernet0/1 switchport priority extend trust

Selected Answer: D

Question #: 292
Topic #: 1
Refer to the exhibit. Which change to the configuration on Switch2 allows the two switches to establish an EtherChannel?

A. Change the LACP mode to desirable
B. Change the protocol to PAgP and use auto mode
C. Change the LACP mode to active
D. Change the protocol to EtherChannel mode on

Selected Answer: C

Question #: 293
Topic #: 1
Refer to the exhibit. An engineer must configure the interface that connects to PC1 and secure it in a way that only PC1 is allowed to use the port. No VLAN tagging can be used except for a voice VLAN. Which command sequence must be entered to configure the switch?

A. SW1(config-if)#switchport mode dynamic auto SW1(config-if)#switchport port-security SW1(config-if)#switchport port-security violation restrict
B. SW1(config-if)#switchport mode nonegotiate SW1(config-if)#switchport port-security SW1(config-if)#switchport port-security maximum 1
C. SW1(config-if)#switchport mode access SW1(config-if)#switchport port-security SW1(config-if)#switchport port-security mac-address 0050.7966.6800
D. SW1(config-if)#switchport mode dynamic desirable SW1(config-if)#switchport port-security mac-address 0050.7966.6800 SW1(config-if)#switchport port-security mac-address sticky

Selected Answer: C

Question #: 294
Topic #: 1
Which protocol must be implemented to support separate authorization and authentication solutions for wireless APs?

A. RADIUS
B. TACACS+
C. 802.1X
D. Kerberos

Selected Answer: B

Question #: 295
Topic #: 1
Which port type supports the spanning-tree portfast command without additional configuration?

A. trunk ports
B. Layer 3 sub interfaces
C. Layer 3 main interfaces
D. access ports

Selected Answer: D

Question #: 296
Topic #: 1
Refer to the exhibit. What are two conclusions about this configuration? (Choose two.)

A. The spanning-tree mode is Rapid PVST+
B. This tea root bridge
C. The spanning-tree mode is PVST+
D. The designated port is FastEthernet 2/1
E. The root port is FastEthernet 2/1

Selected Answer: AE

Question #: 297
Topic #: 1
A Cisco engineer must configure a single switch interface to meet these requirements:
✑ Accept untagged frames and place them in VLAN 20
Accept tagged frames in VLAN 30 when CDP detects a Cisco IP phone

Which command set must the engineer apply?

A. switchport mode dynamic desirable switchport access vlan 20 switchport trunk allowed vlan 30 switchport voice vlan 30
B. switchport mode access switchport access vlan 20 switchport voice vlan 30
C. switchport mode dynamic auto switchport trunk native vlan 20 switchport trunk allowed vlan 30 switchport voice vlan 30
D. switchport mode trunk switchport access vlan 20 switchport voice vlan 30

Selected Answer: B

Question #: 298
Topic #: 1
What does a switch use to build its MAC address table?

A. VTP
B. DTP
C. ingress traffic
D. egress traffic

Selected Answer: C

Question #: 299
Topic #: 1
Refer to the exhibit. The EtherChannel is configured with a speed of 1000 and duplex as full on both ends of channel group 1. What is the next step to configure the channel on switch A to respond to but not initiate LACP communication?

A. interface range gigabitethernet0/0/0-15 channel-group 1 mode on
B. interface range gigabitethernet0/0/0-15 channel-group 1 mode desirable
C. interface port-channel 1 channel-group 1 mode auto
D. interface port-channel 1 channel-group 1 mode passive

Selected Answer: D

Question #: 300
Topic #: 1
Which command entered on a switch configured with Rapid PVST+ listens and learns for a specific time period?

A. switch(config)#spanning-tree vlan 1 priority 4096
B. switch(config)#spanning-tree vlan 1 hello-time 10
C. switch(config)#spanning-tree vlan 1 max-age 6
D. switch(config)#spanning-tree vlan 1 forward-time 20

Selected Answer: D