CCNP VLANs and Trunking • Complete Question Bank
Complete CCNP VLANs and Trunking question bank — all 0 questions with answers and detailed explanations.
A network engineer runs the following command on Switch SW1:
SW1# show vlan brief VLAN Name Status Ports
---- -------------------------------- --------- ------------------------------- 1 default active Gi0/1, Gi0/2, Gi0/3 10 Sales active Gi0/4, Gi0/5 20 Engineering active Gi0/6, Gi0/7 1002 fddi-default act/unsup 1003 token-ring-default act/unsup 1004 fddinet-default act/unsup 1005 trnet-default act/unsup
Based on this output, what can be concluded?
A network engineer runs the following command on Switch SW1:
SW1# show interfaces trunk
Port Mode Encapsulation Status Native vlan Gi0/1 on 802.1q trunking 1 Gi0/2 on 802.1q trunking 1
Port Vlans allowed on trunk Gi0/1 1-1005 Gi0/2 1-1005
Port Vlans allowed and active in management domain Gi0/1 1,10,20 Gi0/2 1,10,20
Port Vlans in spanning tree forwarding state and not pruned Gi0/1 1,10,20 Gi0/2 1,10,20
Based on this output, what can be concluded?
A network engineer runs the following command on Switch SW1:
SW1# show interfaces gi0/1 switchport
Name: Gi0/1
Switchport: Enabled
Administrative Mode: trunk Operational Mode: trunk Administrative Trunking Encapsulation: dot1q Operational Trunking Encapsulation: dot1q Negotiation of Trunking: On Access Mode VLAN: 1 (default) Trunking Native Mode VLAN: 1 (default) Administrative Native VLAN tagging: enabled Voice VLAN: none Administrative private-vlan host-association: none Administrative private-vlan mapping: none Administrative private-vlan trunk native VLAN: none Administrative private-vlan trunk Native VLAN tagging: enabled Administrative private-vlan trunk encapsulation: dot1q Administrative private-vlan trunk normal VLANs: none Administrative private-vlan trunk private VLANs: none Operational private-vlan: none Trunking VLANs Enabled: ALL Pruning VLANs Enabled: 2-1001 Capture Mode Disabled Capture VLANs Allowed: ALL
Based on this output, what can be concluded?
A network engineer runs the following command on Switch SW1:
SW1# show spanning-tree vlan 10
VLAN0010 Spanning tree enabled protocol ieee Root ID Priority 32778 Address 0011.2233.4455 This bridge is the root Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0011.2233.4455 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 300 sec
Interface Role Sts Cost Prio.Nbr Type
---------------- ---- --- --------- -------- -------------------------------- Gi0/1 Desg FWD 4 128.1 P2p Gi0/2 Desg FWD 4 128.2 P2p Gi0/3 Desg FWD 4 128.3 P2p
Based on this output, what can be concluded?
A network engineer runs the following command on Switch SW1:
SW1# show etherchannel summary
Flags: D - down P - bundled in port-channel I - stand-alone s - suspended H - Hot-standby (LACP only) R - Layer3 S - Layer2 U - in use N - not in use, no aggregation f - failed to allocate aggregator
M - not in use, minimum links not met u - unsuitable for bundling w - waiting to be aggregated d - default port
Number of channel-groups in use: 1 Number of aggregators: 1
Group Port-channel Protocol Ports ------+-------------+-----------+-------------------------------------------- 1 Po1(SU) LACP Gi0/1(P) Gi0/2(P) Gi0/3(D)
Based on this output, what can be concluded?
A network engineer runs the following command on Switch SW1:
SW1# show vlan id 10 VLAN ID: 10 VLAN Name: Sales VLAN Type: Ethernet VLAN State: active
MTU: 1500
Remote SPAN VLAN: No
Primary VLAN ID: 10
Private VLAN Type: Primary
Associated Secondary VLAN IDs: 100, 200
Based on this output, what can be concluded?
A network engineer runs the following command on Switch SW1:
SW1# show interfaces gi0/1 trunk
Port Mode Encapsulation Status Native vlan Gi0/1 desirable n-802.1q trunking 1
Port Vlans allowed on trunk Gi0/1 1-1005
Port Vlans allowed and active in management domain Gi0/1 1,10,20
Port Vlans in spanning tree forwarding state and not pruned Gi0/1 1,10,20
Based on this output, what can be concluded?
A network engineer runs the following command on Switch SW1:
SW1# show dtp interface gi0/1
DTP information on GigabitEthernet0/1: DTP: Enabled DTP mode: Desirable DTP negotiate: TRUE DTP status: Trunk DTP trunk status: Trunking DTP timer: 30 DTP max-age: 2 DTP encapsulation: 802.1q DTP refresh rate: Both DTP requests: 10 DTP errors: 0
Based on this output, what can be concluded?
A network engineer runs the following command on Switch SW1:
SW1# show interfaces gi0/1 trunk
Port Mode Encapsulation Status Native vlan Gi0/1 on 802.1q trunking 1
Port Vlans allowed on trunk Gi0/1 10,20
Port Vlans allowed and active in management domain Gi0/1 10,20
Port Vlans in spanning tree forwarding state and not pruned Gi0/1 10,20
Based on this output, what can be concluded?
Given the following configuration on a Cisco IOS-XE switch:
interface GigabitEthernet0/1 switchport mode trunk switchport trunk native vlan 999 switchport trunk allowed vlan 10,20,30
What is the effect of this configuration?
Examine the following configuration snippet on a Cisco IOS switch:
interface GigabitEthernet0/2 switchport mode access switchport access vlan 50 spanning-tree portfast
Which statement is true about this interface?
Consider the following configuration on a Cisco IOS-XE switch:
interface GigabitEthernet0/3 switchport trunk encapsulation dot1q switchport mode trunk switchport trunk native vlan 1
What is the effect of this configuration?
Given the following configuration on a Cisco IOS switch:
interface GigabitEthernet0/4 switchport mode trunk switchport trunk allowed vlan except 100-200
What is the effect of this configuration?
Examine the following configuration on a Cisco IOS-XE switch:
interface GigabitEthernet0/5 switchport mode trunk switchport trunk native vlan 999 switchport trunk allowed vlan 10,20,30 switchport nonegotiate
What is the effect of the 'switchport nonegotiate' command?
Given the following configuration on a Cisco IOS switch:
interface GigabitEthernet0/6 switchport mode dynamic desirable
What is the effect of this configuration?