Cisco 300-135 Free Practice Questions

Answer: D

Explanation:

Here is the configuration found on the New_Switch:

This causes the port cost for link eth 1/3 to increase the path cost to 250 for all VLANs, making that link less preferred so that only eth 1/2 will be used.

Answer: A

Explanation:

As explained earlier, the problem is with route misconfigured tunnel modes on R3. R3 is using tunnel mode ipv6, while R4 is using the default of GRE. We need to remove the u201ctunnel mode ipv6u201d command under interface Tunnel34

Answer: A

Answer: A,B,E,F

Answer: C

Explanation:

On R2, IPV6 OSPF routing, configuration is required to add ipv6 ospf 6 area 0 under interface serial 0/0/0.23

Topic 17, Ticket 12 : HSRP Issue

Topology Overview (Actual Troubleshooting lab design is for below network design)

u2711 Client Should have IP 10.2.1.3

u2711 EIGRP 100 is running between switch DSW1 & DSW2

u2711 OSPF (Process ID 1) is running between R1, R2, R3, R4

u2711 Network of OSPF is redistributed in EIGRP

u2711 BGP 65001 is configured on R1 with Webserver cloud AS 65002

u2711 HSRP is running between DSW1 & DSW2 Switches

The company has created the test bed shown in the layer 2 and layer 3 topology exhibits. This network consists of four routers, two layer 3 switches and two layer 2 switches.

In the IPv4 layer 3 topology, R1, R2, R3, and R4 are running OSPF with an OSPF process number 1.

DSW1, DSW2 and R4 are running EIGRP with an AS of 10. Redistribution is enabled where necessary.

R1 is running a BGP AS with a number of 65001. This AS has an eBGP connection to AS 65002 in the ISPu2021s network. Because the companyu2021s address space is in the private range. R1 is also providing NAT translations between the inside (10.1.0.0/16 & 10.2.0.0/16) networks and outside (209.65.0.0/24) network.

ASW1 and ASW2 are layer 2 switches.

NTP is enabled on all devices with 209.65.200.226 serving as the master clock source. The client workstations receive their IP address and default gateway via R4u2021s DHCP server.

The default gateway address of 10.2.1.254 is the IP address of HSRP group 10 which is running on DSW1 and DSW2.

In the IPv6 layer 3 topology R1, R2, and R3 are running OSPFv3 with an OSPF process number 6.

DSW1, DSW2 and R4 are running RIPng process name RIP_ZONE.

The two IPv6 routing domains, OSPF 6 and RIPng are connected via GRE tunnel running over the underlying IPv4 OSPF domain. Redistrution is enabled where necessary.

Recently the implementation group has been using the test bed to do a u2021proof-of-conceptu2021 on several implementations. This involved changing the configuration on one or more of the devices. You will be presented with a series of trouble tickets related to issues introduced during these configurations.

Note: Although trouble tickets have many similar fault indications, each ticket has its own issue and solution.

Each ticket has 3 sub questions that need to be answered & topology remains same. Question-1 Fault is found on which device,

Question-2 Fault condition is related to,

Question-3 What exact problem is seen & what needs to be done for solution

=====================================================================

Solution

Steps need to follow as below:-

u2711 Since the problem is raised that DSW1 will not become active router for HSRP group 10

u2711 we will check for the HSRP configurationu2026

u2711 From snapshot we see that the track command given needs to be changed under active VLAN10 router

u2711 Change Required: On DSW1, related to HSRP, under vlan 10 change the given

track 1 command to instead use the track 10 command.

Answer: E

Explanation:

Based on the network diagram, we know that a virtual link will need to be configured to logically connect area 2 to the back area 0. However, this is not the problem as we can see that R3 has been correctly configured to do this. It is, however, missing the network statement for the link to R4.

Here, we see that the link to R4 is using the 192.168.34.0 network, but that this network has not been added to OSPF

Based on the network diagram, this link should be added to Area 1, not Area 2.

Topic 6, Ticket 1: Switch Port Trunk

Topology Overview (Actual Troubleshooting lab design is for below network design)

u2711 Client Should have IP 10.2.1.3

u2711 EIGRP 100 is running between switch DSW1 & DSW2

u2711 OSPF (Process ID 1) is running between R1, R2, R3, R4

u2711 Network of OSPF is redistributed in EIGRP

u2711 BGP 65001 is configured on R1 with Webserver cloud AS 65002

u2711 HSRP is running between DSW1 & DSW2 Switches

The company has created the test bed shown in the layer 2 and layer 3 topology exhibits. This network consists of four routers, two layer 3 switches and two layer 2 switches.

In the IPv4 layer 3 topology, R1, R2, R3, and R4 are running OSPF with an OSPF process number 1.

DSW1, DSW2 and R4 are running EIGRP with an AS of 10. Redistribution is enabled where necessary.

R1 is running a BGP AS with a number of 65001. This AS has an eBGP connection to AS 65002 in the ISPu2021s network. Because the companyu2021s address space is in the private range. R1 is also providing NAT translations between the inside (10.1.0.0/16 & 10.2.0.0/16) networks and outside (209.65.0.0/24) network.

ASW1 and ASW2 are layer 2 switches.

NTP is enabled on all devices with 209.65.200.226 serving as the master clock source. The client workstations receive their IP address and default gateway via R4u2021s DHCP server.

The default gateway address of 10.2.1.254 is the IP address of HSRP group 10 which is running on DSW1 and DSW2.

In the IPv6 layer 3 topology R1, R2, and R3 are running OSPFv3 with an OSPF process number 6.

DSW1, DSW2 and R4 are running RIPng process name RIP_ZONE.

The two IPv6 routing domains, OSPF 6 and RIPng are connected via GRE tunnel running over the underlying IPv4 OSPF domain. Redistrution is enabled where necessary.

Recently the implementation group has been using the test bed to do a u2021proof-of-conceptu2021 on several implementations. This involved changing the configuration on one or more of the devices. You will be presented with a series of trouble tickets related to issues introduced during these configurations.

Note: Although trouble tickets have many similar fault indications, each ticket has its own issue and solution.

Each ticket has 3 sub questions that need to be answered & topology remains same. Question-1 Fault is found on which device,

Question-2 Fault condition is related to,

Question-3 What exact problem is seen & what needs to be done for solution

Client is unable to ping IP 209.65.200.241

Solution

Steps need to follow as below:-

u2711 When we check on client 1 & Client 2 desktop we are not receiving DHCP address from R4

Ipconfig ----- Client will be getting 169.X.X.X

u2711 On ASW1 port Fa1/0/ 1 & Fa1/0/2 access port VLAN 10 was assigned which is using IP address 10.2.1.0/24

Sh run ------- & check for running config of int fa1/0/1 & fa1/0/2

====================================================

interface FastEthernet1/0/1switchport mode accessswitchport access vlan 10interface FastEthernet1/0/2switchport mode accessswitchport access vlan 10

====================================================

u2711 We need to check on ASW 1 trunk port the trunk Po13 & Po23 were receiving VLAN 20 & 200 but not VLAN 10 so that switch could not get DHCP IP address and was failing to reach IP address of Internet

u2711 Change required: On ASW1 below change is required for switch-to-switch connectivity..

int range portchannel13,portchannel23 switchport trunk allowed vlan none switchport trunk allowed vlan 10,200

Answer: C

Explanation:

On DSW1, VALN ACL, Need to delete the VLAN access-map test1 whose action is to drop access-list 10; specifically 10.2.1.3

Topic 16, Ticket 11 : IPV6 OSPF

Topology Overview (Actual Troubleshooting lab design is for below network design)

u2711 Client Should have IP 10.2.1.3

u2711 EIGRP 100 is running between switch DSW1 & DSW2

u2711 OSPF (Process ID 1) is running between R1, R2, R3, R4

u2711 Network of OSPF is redistributed in EIGRP

u2711 BGP 65001 is configured on R1 with Webserver cloud AS 65002

u2711 HSRP is running between DSW1 & DSW2 Switches

The company has created the test bed shown in the layer 2 and layer 3 topology exhibits. This network consists of four routers, two layer 3 switches and two layer 2 switches.

In the IPv4 layer 3 topology, R1, R2, R3, and R4 are running OSPF with an OSPF process number 1.

DSW1, DSW2 and R4 are running EIGRP with an AS of 10. Redistribution is enabled where necessary.

R1 is running a BGP AS with a number of 65001. This AS has an eBGP connection to AS 65002 in the ISPu2021s network. Because the companyu2021s address space is in the private range. R1 is also providing NAT translations between the inside (10.1.0.0/16 & 10.2.0.0/16) networks and outside (209.65.0.0/24) network.

ASW1 and ASW2 are layer 2 switches.

NTP is enabled on all devices with 209.65.200.226 serving as the master clock source. The client workstations receive their IP address and default gateway via R4u2021s DHCP server.

The default gateway address of 10.2.1.254 is the IP address of HSRP group 10 which is running on DSW1 and DSW2.

In the IPv6 layer 3 topology R1, R2, and R3 are running OSPFv3 with an OSPF process number 6.

DSW1, DSW2 and R4 are running RIPng process name RIP_ZONE.

The two IPv6 routing domains, OSPF 6 and RIPng are connected via GRE tunnel running over the underlying IPv4 OSPF domain. Redistrution is enabled where necessary.

Recently the implementation group has been using the test bed to do a u2021proof-of-conceptu2021 on several implementations. This involved changing the configuration on one or more of the devices. You will be presented with a series of trouble tickets related to issues introduced during these configurations.

Note: Although trouble tickets have many similar fault indications, each ticket has its own issue and solution.

Each ticket has 3 sub questions that need to be answered & topology remains same. Question-1 Fault is found on which device,

Question-2 Fault condition is related to,

Question-3 What exact problem is seen & what needs to be done for solution

=====================================================================

Solution

Steps need to follow as below:-

u2711 When we check on client 1 & Client 2 desktop we are not receiving DHCP address from R4

ipconfig ----- Client will be receiving IP address 10.2.1.3

u2711 From Client PC we can ping 10.2.1.254u2026.

u2711 But IP 10.2.1.3 is able to ping from R4, R3, R2, R1.

u2711 Since the problem is R1 (2026::111:1) is not able to ping loopback of DSW1 (2026::102:1).

u2711 Kindly check for neighbourship of routers as IPV6u2026. As per design below neighbourship should be present for IPV6

R1 ---R2 --- R3 --- R4--- DSW1 & DSW2 ----- Neighbourship between devices of IPV6

R2 IPV6 OSPF neighbourship is with R1

R3 IPV6 OSPF neighbourship is with R4

u2711 As per above snapshot we cannot see IPV6 neighbourship between R2 & R3 when checked interface configuration ipv6 ospf area 0 is missing on R2 which is connected to R3

u2711 Change required: On R2, IPV6 OSPF routing, Configuration is required to add ipv6 ospf 6 area 0 under interface serial 0/0/0.23

Answer: D

Answer: A,B,C,E,F

Answer: B,F

Explanation: Option B is valid, assuming theres a faulty colon : in the IPv6 Address, just before the last 1, that is: 2001:aaaa:1234:456c::1/64Option F is valid, dispite its odd network mask (128 bits), sometimes used in tunnel links.

Incorrect:

Option A is invalid, since it is a Multicast addressOption C seems to be invalid because the 3rd group of characters includes an l (lb2c), but if it is a 1 instead of an l (faulty scan) and the required options are 3 instead of 2, then this address is still valid (2001:000a:1b2c::/64), because the 4th group of characters would be 0000 (remember that we can represent a continuous sequence of zeros by ::).Option D is definitely invalid since it is a reserved address. As states the IANA online :document about the IPv6 Unicast Global Addresses, the range below is reserved, not allocated to any RIR (Regional Internet Registry): 2E00:0000::/7 IANA 1999-07-01 RESERVED

Reference: http://www.iana.org/assignments/ipv6-unicast-address-assignments/ipv6-

unicast-address-assignments.txt