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Cisco Certified Design Expert Practical Exam Questions and Answers

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Viewing questions 61-70 out of questions

Questions # 61:

Which two conditions are required for successful route aggregation? (Choose two)

Options:

Contiguous prefix allocation

Logical separation between zones or layers within networks

Matching traffic aggregation with route aggregation locations

Consistent prefix allocations per network

Physical separation between zones or layers within networks

Answer

B, D

Questions # 62:

Which two statements about AToM are true? (Choose two)

Options:

It encapsulates Layer 2 frames at the egress PE

When using AToM, the IP precedence filed is not copied to the MPLS packet

AToM supports connecting different L2 technologies using interworking option

The loopback address of the PE router must be either /24 or /32

It provides support for L2VPN features on ATM interfaces

Answer

C, E

Questions # 63:

Which two functions are performed at the distribution layer of the three-layer hierarchical network design model? (Choose two)

Options:

Fast transport

QoS classification and marking boundary

Fault isolation

Redundancy and load balancing

Reliability

Answer

C, D

Questions # 64:

The enterprise customer ABC Corp will deploy a centralized unified communications application to provide voice, and instant messaging to their branch offices. Some of the branch offices are located in remote locations and are connected via a 1.5 Mb/s Layer 3 VPN connection. Which two ways are the most cost-effective to ensure that this new application is implemented properly? (Choose two)

Options:

Use a low bitrate codec such as G 711

Set voice activity detection to avoid sending packets when the conversations is silent

Enable VRF-Lite on the CE router to create a separate voice VRF

Set LFI on the WAN connections to interleave the small voice packets with the large data packets

Set WAN optimization on the CE router to compress the voice packets for improved bandwidth utilization and performance

Use a low bitrate codec such as G 729

Answer

B, F

Questions # 65:

Refer to the exhibit.

Question # 65

Service provider ACME Internet just added a 100 GB/s peering in Paris that it wants to use by default for outbound traffic to Big ISP. Which routing policy achieves the desired outcomes?

Options:

Use traffic engineering by injecting a preferred LOCAL_PREF attribute to routes advertised from Very Big ISP in Paris

Apply an import policy in New York that adds a Weight attribute to routes learned from Very Big ISP via Paris

Apply an export policy in Paris by applying a MED or community attribute with a preference that very Big ISP act upon

Apply an import policy hat filters longer prefixes than /24 in Brussels and zurich

Answer

Questions # 66:

Refer to the exhibit.

Question # 66

ACME Mining has four data centers in Santiago, Cape Town, Mumbai, and Beijing. They are full-mesh connected via a 400 Mb/s EVP-LAN. A 1-TB transfer occurs daily via FTP between the Santiago and Mumbai data centers. When testing, the data transfer took an ''unexpected and outrageous, with an average transfer rate of 47 KB/s. The team provided this information.

LAN bandwidth usage below 5% at both data centers during transfer.

WAN bandwidth usage was between 20-30% at both data centers during transfer.

The only QoS on WAN is KB/s strict priority configured for other types of traffic.

There is no QoS on LAN.

The ping RTT average between data centers is 378 milliseconds.

Which action improves the file transfer rate?

Options:

Use SFTP instead of FTP

Apply optimization techniques at both data centers.

Use TFTP instead of FTP.

Classify FTP transfer and use the strict priority queue on the WAN.

Answer

Questions # 67:

You are designing a new data center network. Drag and drop new data center requirements on the left into the appropriate design principle on the right.

Question # 67

Options:

Answer

Answer:

Questions # 68:

You must make IGP redesign recommendations for a client that has old equipment, with low CPU power and memory, that they do not have budget replace. They are very concerned about CPU load on routers. They are using IS-IS as the IGP in a single l1 area and all routers are connected to each other with point-to-point links. Which method do you recommend to reduce or limit CPU overhead caused by IS-IS?

Options:

Use mesh groups to limit flooding of LSAs

Implement wide style metrics for IS-IS on all routers

Select a router to act as a pseudowire to limit topology synchronization

Divide the router into multiple areas and implement address summarization

Answer

Questions # 69:

Which IEEE standard is commonly used at the data link layer for an access network, in an IoT environment?

Options:

Wireless Regional Area Network

Low-Rate Wireless Network

Wireless Local Area Network

Broadband wireless metropolitan Network

Answer

Questions # 70:

You are designing a traffic monitoring and analysis system for a customer. Which traffic monitoring technique would you recommend to place the amount of burden on the network infrastructure?