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Cisco Exam 300-115

Implementing Cisco IP Switched Networks

Version: 21.0

[ Total Questions: 282 ]

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Which portion of AAA looks at what a user has access to? A. B. C. accounting D. auditing

Answer: A

Which information does the subordinate switch in a switch stack keep for all the VLANs thatare configured on it? A. B. DHCP snooping database C. spanning trees D. routing information

Answer: C

What is the default HSRP priority? A. 50 B. 100 C. 120 D. 1024

Answer: B

Your customer has asked you tocome in and verify the operation of routers R1 and R2

Question No : 1

Question No : 2

Question No : 3

Question No : 4

2

which are configured to use HSRP. They have questions about how these two devices willperform in the event of a device failure.

3

What is the virtual mac-address of HSRP group 1? A. 0000.0c07.ac02 B. 4000.0000.0010 C. 0000.0c07.ac01 D. 4000.0000.ac01 E. 4000.0000.ac02 F. 0000.0c07.0010

Answer: B

Question No : 5

4

A. B. C. The switch port command is missing from the configuration D. The interfaceneeds no shutdown configured.

Answer: A

DHCP snooping and IP Source Guard have been configured on a switch that connects toseveral client workstations. The IP address of one of the workstations does not match anyentries found in the DHCP binding database. Which statement describes the outcome of

A. Packets from the workstation will be rate limited accordingto the default values set on

B. The interface that is connected to the workstation in question will be put into the

C. Traffic will pass accordingly after the new IP address is populated into the binding

D. The packets originating from the workstation are assumed to be spoofed and will be

Answer: D

Question No : 6

5

Given the configuration on a switch interface, what happens when a host with the MACaddress of 0003.0003.0003is directly connected to the switch port? switchport mode access switchport port-security switchport port-security maximum 2 switchport port-security mac-address 0002.0002.0002 switchport port-security violation shutdown A. B. The port will shut down. C. The host can only connect through a hub/switch where 0002.0002.0002 is already

D.

Answer: A

In which two ways can a port respond to a port-security violation? (Choose two.) A. The port enters the en-disabled state B. The Security Violation counter is incremented and the port sends an SNMP trap C. The Security Violation counter is incremented and the port sends a critical syslogmessage to the console D. The port triggers an EEM script to notify support staff and continues to forward trafficnormally D E. The port immediately begins to drop all traffic. F. The port enters the shutdown state.

Answer: A,F

Question No : 7

Question No : 8

Question No : 9

6

A network engineer wants to make sure that an access switch will never become aSpanning Tree root for VLAN 5. What action will accomplish this task? A. adjust STP priority to the maximum value B. disable STP globally C. apply root guard to all outgoing neighbor interfaces D.

Answer: A

While working in the core network building, a technician accidently bumps the fiberconnection between two core switches and damages one of the pairs of fiber. As designed,the link was placed into a non-forwarding state due to a fault with UDLD. After thedamaged cable was replaced, the link did not recover. What solution allows the networkswitch to automatically recover from such an issue? A. macros B. errdisable autorecovery C. IP Event Dampening D. E. Bidirectional Forwarding Detection

Answer: B

The network manager has requested that several new VLANs (VLAN 10, 20, and 30) areallowed to traverse the switch trunk interface. After the commandswitchport trunk allowedvlan 10,20,30 is issued, all other existing VLANs no longer pass traffic over the trunk. Whatis the root cause of the problem? A. The command effectively removed all other working VLANs and replaced them with thenew VLANs. B. VTP pruning removed all unused VLANs. C. ISL was unable to encapsulate more than the already permitted VLANs across the trunk. D. Allowing additional VLANs across the trunk introduced a loop in the network.

Question No : 10

Question No : 11

7

Answer: A

Which authentication service is needed to configure 802.1x? A. B. TACACS+ C. D. RADIUS using VSA

Answer: A

On which interface can port security be configured? A. static trunk ports B. destination port for SPAN C. EtherChannel port group D. dynamic access point

Answer: A

Which three functions does Dynamic ARP Inspection perform with invalid IP-to MACaddress bindings? (Choose there.) A. accepts B. C. D. bypasses E. intercepts F. logs

Answer: C,E,F

Question No : 12

Question No : 13

Question No : 14

8

Which two combinations of Ether Channel modes support the formation of anEtherChannel? (Choose two.) A. desirable, passive B. desirable, desirable C. active, passive D. passive, passive E. active, desirable

Answer: B,C

Which AAAAuthorization type includes PPP, SLIP, and ARAP connections? A. B. C. EXEC D. auth-proxy

Answer: A

An access switch has been configured with an EtherChannel port. After configuring SPANto monitor this port, the network administrator notices that not all traffic is being replicatedto the management server. What is a cause for this issue? A. VLAN filters are required to ensure traffic mirrors effectively. B. SPAN encapsulation replication must be enabled to capture EtherChannel destination

C. The port channel can be used as a SPAN source, but not a destination. D. RSPAN must be used to capture EtherChannel bidirectional traffic.

Answer: C

Question No : 15

Question No : 16

Question No : 17

9

When a Cisco Catalyst switch that is configured in VTP server mode is first booted, whichtwo VLAN ranges are loaded on the switch? A. B. VLANs greater than 1005 in the startup-config file C. D. thefirst 1005 VLANs in the startup-config file E. VLANs greater than 1005 in the VLAN database file

Answer: B,C

What is the default interval at which Cisco devices send Cisco Discovery Protocol

A. B. C. D.

Answer: B

An enterprise network has port security sticky enabled on all access ports. A networkadministrator moves a PC from oneoffice desk to another After the PC is moved, thenetwork administrator clears the port security on the new network switch port connecting tothe PC, but the port keeps going back into err-disabled mode. Which two factors arepossible causes of this issue? (Choose two) A. Port security sticky exists on the new network switch port.

Question No : 18

Question No : 19

Question No : 20

10

B. Port security sticky is disabled on the new network switch port. C. Port security must be disabled on all access ports. D. Port security is still enabled on the older networkswitch port. E. Port security sticky is still enabled on the older network switch port.

Answer: A,E

What is the size of the VLAN field inside an 802.1q frame? A. B. C. D.

Answer: B

Which option is valid for EtherChannel load balancing? A. B. C. D.

Answer: D

Afterport security is deployed throughout an enterprise campus, the network team hasbeen overwhelmed with port reset requests. They decide to configure the network toautomate the process of re-enabling user ports. Which command accomplishes this task? A. switch(config)# errdisable recovery interval 180 B. switch(config)# errdisable recovery cause psecure-violation

Question No : 21

Question No : 22

Question No : 23

11

C. switch(config)# switchport port-security protect D. switch(config)# switchport port-security aging type inactivity E. switch(config)# errdisablerecovery cause security-violation

Answer: B

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 corporateservers. The distribution switches are configured to use HSRP to provide a high availability

• DSW1 -primary device for VLAN 101 VLAN 102 and VLAN 105 • DSW2 - primary device for VLAN 103 and VLAN 104 • A failure of GigabitEthemet1/0/1 on primary device should cause the primary device torelease its status as the primary device, unless GigabitEthernet1/0/1 on backup device has

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

Question No : 24

12

group. As related to the VLAN 103 HSRP group, what can be done to make the groupfunction properly? A. On DSW1, disable preempt. B. On DSW1, decrease the priority value to a value less than 190 and greater than 150. C. On DSW2, increase the priority value to a value greater 200 and less than 250.

13

D. On DSW2, increase the decrement value in the track command to a value greater than

Answer: C

A network engineer wants to analyze all incoming and outgoing packets for an interfacethat is connected to an access switch. Which three items must be configured to mirrortraffic to a packet sniffer that is connected to the distribution switch? (Choose three.) A. A monitor session on the distribution switch with a physical interface as the source and

B. A remote SPAN VLAN on the distribution and access layer switch C. A monitor session on the accessswitch with a physical interface source and the remote

D. and physical interface as the destination E. physical interface as the destination F. A monitor session on the distribution switch with a physical interface as the source and aphysical interface as the destination

Answer: B,C,D

Question No : 25

Question No : 26

14

When youconfigure a private VLAN, which type of port must you configure the gatewayrouter port as? A. promiscuous port B. isolated port C. community port D. access port

Answer: A

Which option describes the reason for this message in a GLBP configuration? A. B. C. HSRP configured on same interface as GLBP D. Layer 2 loop

Answer: D

Refer to the exhibit. What is the result of setting GLBP weighting at 105 with lowerthreshold 90 and upper threshold 100 on this router?

Question No : 27

Question No : 28

15

A. Only if both tracked objects are up will this router will be available as an AVF for group1. B. Only if the state of both tracked objects goes down will this router release its status asan AVF for group 1. C. If both tracked objects go down and then one comes up, but the other remains down,this router will be available as an AVF for group 1. D. This configuration is incorrect and will not have any effect on GLBP operation. E. If the state of one tracked object goes down then this router will release its status as anAVF for group 1.

Answer: B

To follow the Layer 2 switching guidelines, a network engineer decides to create a separatespanning tree for every group of 10 VLANs. Which version ofspanning tree is appropriate tomeet the company policy? A. MST B. PVST+ C. RSTP D. RPVST+ E. STP

Answer: A

Question No : 29

16

Your customer has asked you to come in and verify the operationof routers R1 and R2which are configured to use HSRP. They have questions about how these two devices willperform in the event of a device failure.

Question No : 30

17

What issue is causing Router R1 and R2 to both be displayed as the HSRP active routerfor group 2? A. The HSRP group number mismatch B. The HSRP group authentication is misconfigured C. The HSRP Hello packets are blocked

18

D. E. The HSRP group priorities are different

Answer: B

You have been asked to install and configure a new switch in a customer network. Use theconsole access to the existing and new switches to configure and verify correct deviceconfiguration.

Question No : 31

19

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