單項選擇題

Refer to the exhibit. An attacker is connected to interface Fa0/11 on switch A-SW2 and attempts to  establish a DHCP server for a man-in-middle attack.
 Which recommendation, if followed, would  mitigate this type of attack?()


A. All switch ports in the Building Access block should be configured as DHCP untrusted ports.  
B. All switch ports in the Building Access block should be configured as DHCP trusted ports.
C. All switch ports connecting to servers in the Server Farm block should be configured as DHCP  untrusted ports.
D. All switch ports connecting to hosts in the Building Access block should be configured as DHCP  trusted ports.
E. All switch ports in the Server Farm block should be configured as DHCP untrusted ports.
F. All switch ports connecting to hosts in the Building Access block should be configured as DHCP  untrusted ports.



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1.多項選擇題

Refer to the exhibit. On the basis of the output generated by the show commands, 
which two  statements are true?()

A. Because it is configured as a trunk interface, interface gigabitethernet 0/1 does not appear in  the show vlan output.
B. VLAN 1 will not be encapsulated with an 802.1q header.
C. There are no native VLANs configured on the trunk.
D. VLAN 2 will not be encapsulated with an 802.1q header.
E. All interfaces on the switch have been configured as access ports.
F. Because it has not been assigned to any VLAN, interface gigabitethernet 0/1 does not appear in  the show vlan output.

2.單項選擇題

Refer to the exhibit. Based upon the output of show vlan on switch CAT2,
 what can we conclude  about interfaces Fa0/13 and Fa0/14? ()

A. that interfaces Fa0/13 and Fa0/14 are in VLAN 1
B. that interfaces Fa0/13 and Fa0/14 are down
C. that interfaces Fa0/13 and Fa0/14 are trunk interfaces
D. that interfaces Fa0/13 and Fa0/14have a domain mismatch with another switch
E. that interfaces Fa0/13 and Fa0/14have a duplex mismatch with another switch

3.多項選擇題

Refer to the exhibit. Switch P1S1 is not applying VLAN updates from switch P2S1.
 What are three  reasons why this is not occurring?()

A. Switch P2S1 is in server mode.
B. Switch P1S1 is in transparent mode.
C. The MD5 digests do not match.
D. The passwords do not match.
E. The VTP domains are different.
F. VTP trap generation is disabled on both switches.

4.多項選擇題

Refer to the show interface Gi0/1 switchport command output shown in the exhibit. 
Which two  statements are true about this interface?()

A. This interface is a member of a voice VLAN.
B. This interface is configured for access mode.
C. This interface is a dot1q trunk passing all configured VLANs.
D. This interface is a member of VLAN7.
E. This interface is a member of VLAN1.

6.多項選擇題

The Company administrator has issue the "show vlan id 5" command. 
What will this command  display? ()

A. Ports in VLAN 5
B. Utilization
C. VLAN information on port 0/5
D. Filters
E. MTU and type

8.單項選擇題

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

10.單項選擇題

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

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