NEW QUESTION 1
Which feature prevents a newly-added switch from becoming the primary?

• A. root guard
• B. BPDU filtering
• C. BPDU guard
• D. loop guard

Answer: C

NEW QUESTION 2
What effect does the mac address-table aging-time 180 command have on the MAC address-table?

• A. This is how long a dynamic MAC address will remain in the CAM table.
• B. The MAC address-table will be flushed every 3 minutes.
• C. The default timeout period will be 360 seconds.
• D. ARP requests will be processed less frequently by the switch.
• E. The MAC address-table will hold addresses 180 seconds longer than the default of 10 minutes.

Answer: A

NEW QUESTION 3
While doing network discovery using Cisco Discovery Protocol, it is found that rapid error tracking is not
currently enabled. Which option must be enabled to allow for enhanced reporting mechanisms using Cisco Discovery Protocol?

• A. Cisco Discovery Protocol version 2
• B. Cisco IOS Embedded Event Manager
• C. logging buffered
• D. Cisco Discovery Protocol source interface
• E. Cisco Discovery Protocol logging options

Answer: A

NEW QUESTION 4
The network monitoring application alerts a network engineer of a client PC that is acting as a rogue DHCP server. Which two commands help trace this PC when the MAC address is known? (Choose two.)

• A. switch# show mac address-table
• B. switch# show port-security
• C. switch# show ip verify source
• D. switch# show ip arp inspection
• E. switch# show mac address-table address <mac address>

Answer: AE

NEW QUESTION 5
Which two new features are included in VTPv3? (Choose two.)

• A. VTPs can now be configured in off mode.
• B. It can be configured to prevent the override of the VLAN database.
• C. VTP now supports MD5 passwords.
• D. VLANs configured for token ring are now eligible to participate in VTP.
• E. VLANs in the extended range are now eligible to participate in VTP.

Answer: AE

Explanation: Explanation:/Reference:
http://brbccie.blogspot.com/2014/07/vtp-v3.html
Supports extended VLANs (1006 - 4094)
VTP can now be turned off completely, as opposed to just transparent mode
Fixes the bane of VTP v1/2, the accidental-high-configuration-revision-wipes-out-your-network issue, by design it does this no configuration is necessary.

NEW QUESTION 6
Which two statements about RPVST+ are True ?

• A. It automatically enables uplinkfast and backbonefast.
• B. It elects one root switch per vlan instance
• C. It support two stp instances per vlan
• D. It is incompatible with spanning tree portfast
• E. Backwards compatibility with 802.1d is not supported
• F. It requires approximately 50 seconds to complete reconvergence

Answer: AB

NEW QUESTION 7
Which two statements about static mac addresses are true ?

• A. They are configured without an aging time
• B. They have a default aging time of 300 seconds
• C. They supersede dynamically learned mac address
• D. They can be configured on multiple interfaces in the same vlan
• E. They have a default aging time of 60 seconds.

Answer: BD

NEW QUESTION 8
Which two statements about native VLANs are true? (Choose two)

• A. VLAN 1 and VLAN 1001 are native VLANs by default
• B. The native VLAN is untagged over trunks
• C. Cisco Discovery Protocol versions 1 and 2 can carry native VLAN information.
• D. Only one VLAN can be the native VLAN on a device.
• E. The native VLAN can be changed on a per-port basis

Answer: BE

NEW QUESTION 9
What is the default interval at which Cisco devices send Cisco Discovery Protocol advertisements?

• A. 30 seconds
• B. 60 seconds
• C. 120 seconds
• D. 300 seconds

Answer: B

NEW QUESTION 10
You have been asked to install and configure a new switch in a customer network. Use the console access to the existing and new switches to configure and verify correct device configuration.








Examine the VTP configuration. You are required to configure private VLANs for a new server deployment connecting to the SW4 switch. Which of the following configuration steps will allow creating private VLANs?

• A. Disable VTP pruning on SW1 only
• B. Disable VTP pruning on SW2 only
• C. Disable VTP pruning on SW4 only
• D. Disable VTP pruning on SW2, SW4 and New_Switch
• E. Disable VTP pruning on New_Switch and SW4 only.

Answer: C

Explanation: To create private VLANs, you will need to only disable pruning on the switch that contains the private VLANs. In this case, only SW4 will connect to servers in a private VLAN.

NEW QUESTION 11
Drag the appropriate from left to right on description.

Answer:

Explanation:

NEW QUESTION 12
You administer a network that uses two routers, R1 and R2, configured as an HSRP group to provide redundancy for the gateway. Router R1 is the active router and has been configured as follows:
R1#configure terminal
R1(config)#interface fa0/0
R1(config-if)#ip address 10.10.0.5 255.255.255.0
R1(config-if)#standby 1 priority 150
R1(config-if)#standby preempt delay minimum 50 R1(config-if)#standby 1 track interface fa0/2 15
R1(config-if)#standby 1 ip 10.10.0.20
Which of the following describes the effect the "standby preempt delay minimum 50" command will have on router R1? (Select the best answer.)

• A. The HSRP priority for router R1 will increase to 200.
• B. Router R1 will become the standby router if the priority drops below 50.
• C. The HSRP priority for router R1 will decrease to 50 points when Fa0/2 goes down.
• D. Router R1 will wait 50 seconds before attempting to preempt the active router.

Answer: D

NEW QUESTION 13
Which command globally enables AAA on a device?

• A. aaa new-model
• B. aaa authentication
• C. aaa authorization
• D. aaa accounting

Answer: A

NEW QUESTION 14
If a switch that is configured globally with DHCP snooping receives a packet that has DHCP Option-82 set to 192 168.1.254, how does the switch handle the packet?

• A. It replaces the source MAC address of the packet with its own MAC address and forwards the packet
• B. It forwards the packet normally
• C. It sends a proxy ARP request for the MAC address of 192 168.1 254
• D. It drops the packet
• E. It removes the Option-82 information from the packet and forwards the packet
• F. It replaces the source IP address of the packet with its own management IP address and forwards the packet

Answer: B

NEW QUESTION 15
Refer to the exhibit.

A pair of fiber that is connected to Gi0/1 has been damaged. What is likely to happen?

• A. The interface is prevented from causing spanning-tree loops
• B. After the fiber pair is replaced the interface recovers within 15 minutes
• C. The interface is shut down until the fiber pair is replaced
• D. The interface actively tries to fix the damaged fiber link

Answer: A

NEW QUESTION 16
Drag and drop the descriptions of VRRP from the left onto the right the correct versions of VRRP on to the right.

Answer:

Explanation:

NEW QUESTION 17
Refer to the exhibit.

The network switches for two companies have been connected and manually configured for the required VLANs, but users in company A are not able to access network resources in company B when DTP is enabled. Which action resolves this problem?

• A. Delete vlan.dat and ensure that the switch with lowest MAC address is the VTP server.
• B. Disable DTP and document the VTP domain mismatch.
• C. Manually force trunking with switchport mode trunk on both switches.
• D. Enable the company B switch with the vtp mode server command.

Answer: C

NEW QUESTION 18
Which command maximizes system resources for ACLs?

• A. sdm prefer default
• B. sdm prefer routing
• C. sdm prefer access
• D. sdm prefer vlan

Answer: C

NEW QUESTION 19
To follow the Layer 2 switching guidelines, a network engineer decides to create a separate spanning tree for every group of 10 VLANs. Which version of spanning tree is appropriate to meet the company policy?

• A. MST
• B. PVST+
• C. RSTP
• D. RPVST+
• E. STP

Answer: A