CCNA Cisco Certified Network Associate CCNA v27.0
Question 1
Which are valid modes for a switch port used as a VLAN trunk? (Choose three.)
- A. transparent
- B. auto
- C. on
- D. desirable
- E. blocking
- F. forwarding
Answer : B,C,D
Question 2
Which statement about VLAN operation on Cisco Catalyst switches is true?
- A. When a packet is received from an 802.1Q trunk, the VLAN ID can be determined from the source MAC address and the MAC address table.
- B. Unknown unicast frames are retransmitted only to the ports that belong to the same VLAN.
- C. Broadcast and multicast frames are retransmitted to ports that are configured on different VLAN.
- D. Ports between switches should be configured in access mode so that VLANs can span across the ports.
Answer : B
Question 3
What are the possible trunking modes for a switch port? (Choose three.)
- A. transparent
- B. auto
- C. on
- D. desirable
- E. client
- F. forwarding
Answer : B,C,D
Question 4
Refer to the exhibit.
The output that is shown is generated at a switch. Which three statements are true?
(Choose three.)
- A. All ports will be in a state of discarding, learning, or forwarding.
- B. Thirty VLANs have been configured on this switch.
- C. The bridge priority is lower than the default value for spanning tree.
- D. All interfaces that are shown are on shared media.
- E. All designated ports are in a forwarding state.
- F. This switch must be the root bridge for all VLANs on this switch.
Answer : ACE
Question 5
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 the proper cabling has been attached?
- A. VLANs have not been created yet.
- B. An IP address must be configured for the port.
- C. The port is currently configured for access mode.
- D. The correct encapsulation type has not been configured.
- E. The “no shutdown” command has not been entered for the port.
Answer : C
Question 6
Refer to the exhibit.
A technician has installed SwitchB and needs to configure it for remote access from the
- A. SwitchB(config)# interface FastEthernet 0/1 SwitchB(config-if)# ip address 192.168.8.252 255.255.255.0 SwitchB(config-if)# no shutdown
- B. SwitchB(config)# interface vlan 1 SwitchB(config-if)# ip address 192.168.8.252 255.255.255.0 SwitchB(config-if)# ip default-gateway 192.168.8.254 255.255.255.0 SwitchB(config-if)# no shutdown
- C. SwitchB(config)# ip default-gateway 192.168.8.254 SwitchB(config)# interface vlan 1 SwitchB(config-if)# ip address 192.168.8.252 255.255.255.0 SwitchB(config-if)# no shutdown
- D. SwitchB(config)# ip default-network 192.168.8.254 SwitchB(config)# interface vlan 1 SwitchB(config-if)# ip address 192.168.8.252 255.255.255.0 SwitchB(config-if)# no shutdown
- E. SwitchB(config)# ip route 192.168.8.254 255.255.255.0 SwitchB(config)# interface FastEthernet 0/1 SwitchB(config-if)# ip address 192.168.8.252 255.255.255.0 SwitchB(config-if)# no shutdown
Answer : C
Question 7
Which IEEE standard protocol is initiated as a result of successful DTP completion in a switch over Fast Ethernet?
- A. 802.3ad
- B. 802.1w
- C. 802.1D
- D. 802.1Q
Answer : D
Question 8
Refer to the exhibit.
Given the output shown from this Cisco Catalyst 2950, what is the reason that interface
FastEthernet 0/10 is not the root port for VLAN 2?
- A. This switch has more than one interface connected to the root network segment in VLAN 2.
- B. This switch is running RSTP while the elected designated switch is running 802.1d Spanning Tree.
- C. This switch interface has a higher path cost to the root bridge than another in the topology.
- D. This switch has a lower bridge ID for VLAN 2 than the elected designated switch.
Answer : C
Question 9
Which two states are the port states when RSTP has converged? (Choose two.)
- A. discarding
- B. listening
- C. learning
- D. forwarding
- E. disabled
Answer : A,D
Question 10
Refer to the exhibit.
Given this output for SwitchC, what should the network administrator's next action be?
- A. Check the trunk encapsulation mode for SwitchC's fa0/1 port.
- B. Check the duplex mode for SwitchC's fa0/1 port.
- C. Check the duplex mode for SwitchA's fa0/2 port.
- D. Check the trunk encapsulation mode for SwitchA's fa0/2 port.
Answer : C
Question 11
Which switch would STP choose to become the root bridge in the selection process?
- A. 32768: 11-22-33-44-55-66
- B. 32768: 22-33-44-55-66-77
- C. 32769: 11-22-33-44-55-65
- D. 32769: 22-33-44-55-66-78
Answer : A
Question 12
What parameter can be different on ports within an EtherChannel?
- A. speed
- B. DTP negotiation settings
- C. trunk encapsulation
- D. duplex
Answer : B
Question 13
Refer to the exhibit.
Which switch provides the spanning-tree designated port role for the network segment that services the printers?
- A. Switch1
- B. Switch2
- C. Switch3
- D. Switch4
Answer : C
Question 14
Which two benefits are provided by creating VLANs? (Choose two.)
- A. added security
- B. dedicated bandwidth
- C. provides segmentation
- D. allows switches to route traffic between subinterfaces
- E. contains collisions
Answer : AC
Question 15
Refer to the exhibit.
Which two statements are true of the interfaces on Switch1? (Choose two.)
- A. Multiple devices are connected directly to FastEthernet0/1.
- B. A hub is connected directly to FastEthernet0/5.
- C. FastEthernet0/1 is connected to a host with multiple network interface cards.
- D. FastEthernet0/5 has statically assigned MAC addresses.
- E. FastEthernet0/1 is configured as a trunk link.
- F. Interface FastEthernet0/2 has been disabled.
Answer : B,E