Chapter 1 – Implement VLAN based solution, given a network design and a set of requirements
QUESTION NO: 66
Refer to the exhibit. The user who is connected to interface FastEthernet 0/1 is on VLAN 10 and cannot access network resources. On the basis of the information in the exhibit, which command sequence would correct the problem?
A. SW1(config)# vlan 10SW1(config-vlan)# no shut
B. SW1(config)# interface fastethernet 0/1SW1(config-if)# switchport mode accessSW1(config-if)# switchport access vlan 10
C. SW1(config)# interface fastethernet 0/1SW1(config-if)# switchport mode access
D. SW1(config)# vlan 10SW1(config-vlan)# state active
E. SW1(config)# interface fastethernet 0/1SW1(config-if)# no shut
Answer: E
Explanation:
In Exhibit Operation Mode is down, it means interface is in down state. Just bring into up state using no shutdown command
QUESTION NO: 67
On a multilayer Catalyst switch, which interface command is used to convert a Layer 3 interface to a Layer 2 interface?
A. switchport access vlan vlan-id
B. switchport
C. switchport mode access
D. no switchport
E. None of the other alternatives apply
Answer: B
Explanation: The switchport command puts the port in Layer 2 mode. Then, you can use other switchport command keywords to configure trunking, access VLANs, and so on.
QUESTION NO: 68
Refer to the exhibit. The switchport output in Figure 1 displays the default settings of interface
FastEthernet 0/13 on switch SW1. Figure 2 displays the desired interface settings. Which command sequence would configure interface FastEthernet 0/13 as displayed in Figure 2?
A. SW1(config-if)# switchport trunk encapsulation dot1q SW1(config-if)# switchport mode trunk SW1(config-if)# switchport trunk native DATA SW1(config-if)# switchport trunk allowed vlan
1,10,20
B. SW1(config-if)# switchport trunk encapsulation dot1q SW1(config-if)# switchport mode dynamic auto SW1(config-if)# switchport trunk native DATA SW1(config-if)# witchport trunk allowed vlan add 1,10,20
C. SW1(config-if)# switchport trunk encapsulation dot1q SW1(config-if)# switchport mode dynamic desirable SW1(config-if)# switchport trunk native vlan DATA SW1(config-if)# switchport trunk allowed vlan 1,10,20
D. SW1(config-if)# switchport trunk encapsulation dot1q SW1(config-if)# switchport mode dynamic desirable SW1(config-if)# switchport trunk native vlan 10 SW1(config-if)# switchport trunk allowed vlan 1,10,20
E. SW1(config-if)# switchport trunk encapsulation dot1q SW1(config-if)# switchport mode dynamic Desirable SW1(config-if)# switchport trunk native vlan 10
Answer: D
Explanation:
According to the exhibit, the Operational Mode is down meaning that the port has been administratively shut down. To work properly the Operational Mode should be in up. So use no shutdown command to bring interface fastethernet 0/1 will fix this issue.
QUESTION NO: 69
What two pieces of information will the show vlan id 5 command display? (Choose two.)
A. Ports in VLAN 5
B. Utilization
C. VLAN information on port 0/5
D. Filters
E. MTU and type
Answer: A,E
Explanation:
#show vlan id 5 : Shows all ports belonging to VLAN 5 and MTU of ports and type.
QUESTION NO: 7
When you issue a command show port 3/1 on an Ethernet port, you observe the Giants column has a non-zero entry. What could cause this?
A. IEEE 802.1Q
B. IEEE 802.10
C. Misconfigured NIC
D. User configuration
E. All of the above
Answer: A Explanation: The 802.1Q standard can create an interesting scenario on the network. Recalling that the maximum size for an Ethernet frame as specified by IEEE 802.3 is 1518 bytes, this means that if a maximum-sized Ethernet frame gets tagged, the frame size will be 1522 bytes, a number that violates the IEEE 802.3 standard. To resolve this issue, the 802.3 committee created a subgroup called 802.3ac to extend the maximum Ethernet size to 1522 bytes. Note: The show port command is used to display port status and counters. Giants denote the number of received giant frames (frames that exceed the maximum IEEE 802.3 frame size) on the port.
Reference: Trunking between Catalyst 4000, 5000, and 6000 Family Switches Using 802.1q Encapsulation
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