You are designing the QoS policy for a company that is running many TCP-based applications. The company is experiencing tail drops for these applications. The company wants to use a congestion avoidance technique for these applications. Which QoS strategy can be used to fulfill the requirement?

1. A. weighted fair queuing
2. B. weighted random early detection
3. C. low-latency queuing
4. D. first-in first-out

Correct Answer: C

Refer to the exhibit.

Company XYZ BGP topology is as shown in the diagram. The interface on the LA router connected toward the 10 1.5.0/24 network is faulty and is going up and down, which affects the entire routing domain. Which routing technique can the network administrator use so that the rest of the network is not affected by the flapping issue?

1. A. The LA administrator should use route aggregation to summarize the 10 1 4.0/24, 10 1 5 0/24, 10.1.6.0/24, and 10 1 7 0/24 networks toward Chicago
2. B. The LA administrator should use route dampening for the 10.1.5 0/24 network so that it does not get propagated when it flaps up and down.
3. C. The LA administrator should use route filtering to block the 10.1.5.0/24 network from getting propagated toward Chicago and New York.
4. D. The Chicago administrator should use route filtering to block the 10.1.5.0/24 network from coming in from the LA router.

Correct Answer: B

Which undesired effect of increasing the jitter compensation buffer is true?

1. A. The overall transport jitter decreases and quality improves.
2. B. The overall transport jitter increases and quality issues can occur.
3. C. The overall transport delay increases and quality issues can occur.
4. D. The overall transport delay decreases and quality improves.

Correct Answer: C

Which best practice ensures data security in the private cloud?

1. A. Use IPsec for communication between unsecured network connection
2. B. Encrypt data at rest and in transition.
3. C. Use the same vendor for consistent encryption.
4. D. Anonymize data ownership to comply with privacy rules.

Correct Answer: B

Company XYZ is designing the network for IPv6 security and they have these design requirements:
A switch or router must deny access to traffic from sources with addresses that are correct, but are topologically incorrect
Devices must block Neighbor Discovery Protocol resolution for destination addresses that are not found in the binding table.
Which two IPv4 security features are recommended for this company? (Choose two)

1. A. IPv6 DHCP Guard
2. B. IPv6 Source Guard
3. C. IPv6 Destination Guard
4. D. IPv6 Prefix Guard
5. E. IPv6 RA Guard

Correct Answer: CD
https://www.cisco.com/c/dam/global/ja_jp/td/docs/ios-xml/ios/ipv6_fhsec/configuration/xe-16/ip6f-xe-16-book.