300-135 PDF

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Question 1
When troubleshooting an EIGRP connectivity problem, you notice that two connected EIGRP routers are not becoming EIGRP neighbors. A ping between the two routers was successful. What is the next thing that should be checked?
A. Verify that the EIGRP hello and hold timers match exactly.
B. Verify that EIGRP broadcast packets are not being dropped between the two routers with the show ip EIGRP peer command.
C. Verify that EIGRP broadcast packets are not being dropped between the two routers with the show ip EIGRP traffic command.
D. Verify that EIGRP is enabled for the appropriate networks on the local and neighboring router.
Answers: D
Question 2
Exhibit:
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 A network administrator is troubleshooting an EIGRP connection between RouterA, IP address 10.1.2.1, and RouterB,
IP address 10.1.2.2. Given the debug output on RouterA, which two statements are true? (Choose two.)
A. RouterA received a hello packet with mismatched autonomous system numbers. B. RouterA received a hello packet with mismatched hello timers.
C. RouterA received a hello packet with mismatched authentication parameters.
D. RouterA received a hello packet with mismatched metric-calculation mechanisms. E. RouterA will form an adjacency with RouterB.
F. RouterA will not form an adjacency with RouterB. Answers: D, F
Question 3
Which IPsec mode will encrypt a GRE tunnel to provide multi-protocol support and reduced overhead?
A. 3DES
B. multipoint GRE
C. tunnel D. transport
Answers: D
Question 4
Which three features are benefits of using GRE tunnels in conjunction with IPsec for building site-to-site VPNs? (Choose three.)
A. allows dynamic routing over the tunnel
B. supports multi-protocol (non-IP) traffic over the tunnel
C. reduces IPsec headers overhead since tunnel mode is used D. simplifies the ACL used in the crypto map
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E. uses Virtual Tunnel Interface (VTI) to simplify the IPsec VPN configuration Answers: A, B, D
Question 5
Which statement is true about an IPsec/GRE tunnel?
A. The GRE tunnel source and destination addresses are specified within the IPsec transform set.
B. An IPsec/GRE tunnel must use IPsec tunnel mode.
C. GRE encapsulation occurs before the IPsec encryption process.
D. Crypto map ACL is not needed to match which traffic will be protected. Answers: C
Question 6
You are troubleshooting an issue with a GRE tunnel between R1 and R2 and find that router is OK on all intermediary routers. The tunnel is up on R1, but down on R2. Which two possible issues can prevent the tunnel from coming up? (Choose Two)
A. The tunnel does not come up unless traffic is sent through it. B. The tunnel source interface is down on R2.
C. No specific route interface is down on R2.
D. R2 does not know how to reach the tunnel destination.
E. The tunnel keep alive timer doesn’t match on R1 and R2. Answers: B, D
Explanation:
Four Different Tunnel States
There are four possible states in which a GRE tunnel interface can be:
1. Up/up - This implies that the tunnel is fully functional and passes traffic. It is both administratively up and it's protocol is up as well.
2. Administratively down/down - This implies that the interface has been administratively shut down.
3. Up/down - This implies that, even though the tunnel is administratively up, something causes the line protocol on the interface to be down.
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4. Reset/down - This is usually a transient state when the tunnel is reset by software. This usually happens when the tunnel is misconfigured with a Next Hop Server (NHS) that is its own IP address.
When a tunnel interface is first created and no other configuration is applied to it, the interface.
Question 7
Refer to the Exhibit:
Which output is expected in the blank line for the OSPF adjacency process? A. DOWN
B. EXSTART
C. EXCHANGE
D. LOADING Answers: B
Question 8
The implementations group has been using the test bed to do a ‘proof-of-concept’ that requires both Client 1 and Client 2 to access the WEB Server at 209.65.200.241. After several changes to the network address in, router scheme, DHCP services, NTP services, and FHRP services, a trouble ticket has been opened indicate that Client 1 cannot ping the 209.65.200.241 address. Use the supported commands to isolate the cause of this fault and answer the following questions.
The fault condition is related to which technology?
A. NTP
B. Switch-to-Switch Connectivity C. Access Vlans
D. Port Security
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E. VLAN ACL / Port ACL F. Switch Virtual Interface
Answers: B
Explanation:
Since the Clients are netnn an APIPA we know that DHCP is not working. However, upon closer examination of the ASW1 configuration we can see that the problem is not with DHCP, but the fact that the trunks on the port channels are only allowing VLANs 1-9, when the clients belong to VLAN 10. VLAN 10 is not traversing the trunk on ASW1, so the problem is with switch to switch connectivity, specifically the trunk configuration on ASW1.
Question 9
The implementations group has been using the test bed to do a ‘proof-of-concept’ that requires both Client 1 and Client 2 to access the WEB Server at 209.65.200.241. After several changes to the network address in, router scheme, DHCP services, NTP services, layer 2 connectivity, FHRP services, and device security, a trouble ticket has been opened indicate that Client 1 cannot ping the 209.65.200.241 address. Use the supported commands to isolate the cause of this fault and answer the following questions.
What is the solution to the fault condition?
A. R1
B. R2
C. R3
D. R4
E. DSW1 F. DSW2 G. ASW1 H. ASW2
Answer: G
Explanation:
The problem here is that VLAN 10 is not configured on the proper interfaces on switch ASW1.
Question 10
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The implementations group has been using the test bed to do a ‘proof-of-concept’ that requires both Client 1 and Client 2 to access the WEB Server at 209.65.200.241. After several changes to the network address in, router scheme, DHCP services, NTP services, layer 2 connectivity, FHRP services, and device security, a trouble ticket has been opened indicate that Client 1 cannot ping the 209.65.200.241 address. Use the supported commands to isolate the cause of this fault and answer the following questions.
The fault condition is related to switch technology?
A. NTP
B. Switch-to-Switch Connectivity C. Loop Prevention
D. Access Vlans
E. VLAN ACL Port ACL
F. Switch Virtual Interface
G. Port Security
Answers: D
Explanation:
The problem here is that VLAN 10 is not configured on the proper interfaces on switch ASW1.
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