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New Cisco 300-115 Exam Dumps Collection (Question 7 - Question 17)

New Questions 7

Which protocol specified by RFC 2281 provides network redundancy for IP networks, ensuring that user traffic immediately and transparently recovers from first-hop failures in network edge devices or access circuits?

A. ICMP

B. IRDP

C. HSRP

D. STP

Answer: C

New Questions 8

CORRECT TEXTScenario:

You work for SWITCH.com. They have just added a new switch (SwitchB) to the existing network as shown in the topology diagram.

RouterA is currently configured correctly and is providing the routing function for devices on SwitchA and SwitchB. SwitchA is currently configured correctly, but will need to be modified to support the addition of SwitchB. SwitchB has a minimal configuration. You have been tasked with competing the needed configuring of SwitchA and SwitchB. SwitchA and SwitchB use Cisco as the enable password.

Configuration Requirements for SwitchA

The VTP and STP configuration modes on SwitchA should not be modified.

u2022 SwitchA needs to be the root switch for vlans 11, 12, 13, 21, 22 and 23. All other vlans should be left are their default values.

Configuration Requirements for SwitchB

u2022 Vlan 21

u2711 Name: Marketing

u2711 will support two servers attached to fa0/9 and fa0/10

u2022 Vlan 22

u2711 Name: Sales

u2711 will support two servers attached to fa0/13 and fa0/14

u2022 Vlan 23

o Name: Engineering

o will support two servers attached to fa0/15 and fa0/16

u2022 Access ports that connect to server should transition immediately to forwarding state upon detecting the connection of a device.

u2022 SwitchB VTP mode needs to be the same as SwitchA.

u2022 SwitchB must operate in the same spanning tree mode as SwitchA

u2022 No routing is to be configured on SwitchB

u2022 Only the SVI vlan 1 is to be configured and it is to use address 192.168.1.11/24

Inter-switch Connectivity Configuration Requirements

u2022 For operational and security reasons trunking should be unconditional and Vlans 1, 21, 22 and 23 should tagged when traversing the trunk link.

u2022 The two trunks between SwitchA and SwitchB need to be configured in a mode that allows for the maximum use of their bandwidth for all vlans. This mode should be done with a non-proprietary protocol, with SwitchA controlling activation.

u2022 Propagation of unnecessary broadcasts should be limited using manual pruning on this trunk link.

Answer:

Here are steps: hostname SWITCH_B

!

!

vlan 21

name Marketing vlan 22

name Sales vlan 23

name Engineering

!

!

interface FastEthernet0/3

switchport trunk allowed vlan 1,21-23 channel-protocol lacp

channel-group 1 mode passive switchport mode trunk

!

interface FastEthernet0/4

switchport trunk allowed vlan 1,21-23 channel-protocol lacp

channel-group 1 mode passive switchport mode trunk

!

interface FastEthernet0/9 switchport access vlan 21 switchport mode access spanning-tree portfast

!

interface FastEthernet0/10 switchport access vlan 21 switchport mode access spanning-tree portfast

!

interface FastEthernet0/13 switchport access vlan 22 switchport mode access spanning-tree portfast

!

!

interface FastEthernet0/14 switchport access vlan 22 switchport mode access spanning-tree portfast

!

interface FastEthernet0/15 switchport access vlan 23 switchport mode access spanning-tree portfast

!

interface FastEthernet0/16 switchport access vlan 23 switchport mode access spanning-tree portfast

!

!

interface GigabitEthernet1/1

!

interface GigabitEthernet1/2

!

interface Port-channel 1 switchport mode trunk

switchport trunk encapsulation dot1q spanning-tree allowed vlans 1,21-23

!

interface Vlan1

ip address 192.168.1.11 255.255.255.0

!

end SWITCH_B(config)# hostname SWITCH_A

!

panning-tree vlan 11 root primary spanning-tree vlan 12 root primary spanning-tree vlan 13 root primary spanning-tree vlan 21 root primary spanning-tree vlan 22 root primary spanning-tree vlan 23 root primary

!

interface FastEthernet0/3

switchport trunk allowed vlan 1,21-23 channel-protocol lacp

channel-group 1 mode active switchport mode trunk

!

interface FastEthernet0/4

switchport trunk allowed vlan 1,21-23 channel-protocol lacp

channel-group 1 mode active switchport mode trunk

!

interface FastEthernet0/21 switchport access vlan 21 switchport mode access

!

interface FastEthernet0/22 switchport access vlan 22 switchport mode access

!

interface FastEthernet0/23 switchport access vlan 23 switchport mode access

!

interface GigabitEthernet1/1

!

interface GigabitEthernet1/2

!

interface Port-channel 1

!

interface Vlan1 no ip address shutdown

!

ip default-gateway 192.168.1.1

!

!

End

New Questions 9

Which switch feature determines validity based on IP-to-MAC address bindings that are stored in a trusted database?

A. Dynamic ARP Inspection

B. storm control

C. VTP pruning

D. DHCP snooping

Answer: A

New Questions 10

What is the command for configuring root guard?

A. (config) spanning-tree guard root

B. (config-if) spanning-tree guard root

Answer: B

New Questions 11

After UDLD is implemented, a Network Administrator noticed that one port stops receiving UDLD packets. This port continues to reestablish until after eight failed retries. The port then transitions into the errdisable state. Which option describes what causes the port to go into the errdisable state?

A. Normal UDLD operations that prevent traffic loops.

B. UDLD port is configured in aggressive mode.

C. UDLD is enabled globally.

D. UDLD timers are inconsistent.

Answer: B

New Questions 12

For client server failover purposes, the application server team has indicated that they must not have the standard 30 second delay before their switchport enters a forwarding state. For their disaster recovery feature to operate successfully, they require the switchport to enter a forwarding state immediately. Which spanning-tree feature satisfies this requirement?

A. Rapid Spanning-Tree

B. Spanning-Tree Timers

C. Spanning-Tree FastPort

D. Spanning-Tree PortFast

E. Spanning-Tree Fast Forward

Answer: D

New Questions 13

A network engineer changed the port speed and duplex setting of an existing EtherChannel bundle that uses the PAgP protocol. Which statement describes what happens to all ports in the bundle?

A. PAgP changes the port speed and duplex for all ports in the bundle.

B. PAgP drops the ports that do not match the configuration.

C. PAgP does not change the port speed and duplex for all ports in the bundle until the switch is rebooted.

D. PAgP changes the port speed but not the duplex for all ports in the bundle.

Answer: A

New Questions 14

Ferris Plastics, Inc. is a medium sized company, with an enterprise network (access, distribution and core switches) that provides LAN connectivity from user PCs to corporate servers. The distribution switches are configured to use HSRP to provide a high availability solution.

u2022 DSW1 -primary device for VLAN 101 VLAN 102 and VLAN 105

u2022 DSW2 - primary device for VLAN 103 and VLAN 104

u2022 A failure of GigabitEthemet1/0/1 on primary device should cause the primary device to release its status as the primary device, unless GigabitEthernet1/0/1 on backup device has also failed.

Troubleshooting has identified several issues. Currently all interfaces are up. Using the running configurations and show commands, you have been asked to investigate and respond to the following question.

What is the priority value of the VLAN 105 HSRP group on DSW2?

A. 50

B. 100

C. 150

D. 200

Answer: B

New Questions 15

A DHCP configured router is connected directly to a switch that has been provisioned with DHCP snooping. IP Source Guard with the ip verify source port-security command is configured under the interfaces that connect to all DHCP clients on the switch. However,

clients are not receiving an IP address via the DHCP server. Which option is the cause of this issue?

A. The DHCP server does not support information option 82.

B. The DHCP client interfaces have storm control configured.

C. Static DHCP bindings are not configured on the switch.

D. DHCP snooping must be enabled on all VLANs, even if they are not utilized for dynamic address allocation.

Answer: A

New Questions 16

Interface FastEthernet0/1 is configured as a trunk interface that allows all VLANs. This command is configured globally:

monitor session 2 filter vlan 1 - 8, 39, 52

What is the result of the implemented command?

A. All VLAN traffic is sent to the SPAN destination interface.

B. Traffic from VLAN 4 is not sent to the SPAN destination interface.

C. Filtering a trunked SPAN port effectively disables SPAN operations for all VLANs.

D. The trunk's native VLAN must be changed to something other than VLAN 1.

E. Traffic from VLANs 1 to 8, 39, and 52 is replicated to the SPAN destination port.

Answer: E

New Questions 17

Ferris Plastics, Inc. is a medium sized company, with an enterprise network (access, distribution and core switches) that provides LAN connectivity from user PCs to corporate servers. The distribution switches are configured to use HSRP to provide a high availability solution.

u2022 DSW1 -primary device for VLAN 101 VLAN 102 and VLAN 105

u2022 DSW2 - primary device for VLAN 103 and VLAN 104

u2022 A failure of GigabitEthemet1/0/1 on primary device should cause the primary device to release its status as the primary device, unless GigabitEthernet1/0/1 on backup device has also failed.

Troubleshooting has identified several issues. Currently all interfaces are up. Using the running configurations and show commands, you have been asked to investigate and respond to the following question.

During routine maintenance, it became necessary to shut down the GigabitEthernet1/0/1 interface on DSW1 and DSW2. All other interfaces were up. During this time, DSW1 became the active router for the VLAN 104HSRP group. As related to the VLAN 104HSRP group, what can to be done to make the group function properly?

A. On DSW1, disable preempt.

B. On DSW2 decrease the priority value to a value less than 150.

C. On DSW1, increase the decrement value in the track command to a value greater than 6.

D. On DSW1, decrease the decrement value in the track command to a value less than 1.

Answer: C

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