644-068 Latest Exam (Aug 2018)

[Free] 2018(Aug) Ensurepass Cisco 644-068 Dumps with VCE and PDF 21-30

October 7, 2018

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Advanced Routing and Switching for Field Engineers – ARSFE

Question No: 21

Which two of the following statements correctly describe Cisco IOS Software? (Choose two.)?

  1. A universal Cisco IOS image includes all software features; additional software features are then activated by license keys without changing Cisco IOS.

  2. In order to obtain a license file, the product ID and serial number of the device are sent to the representative Cisco Channel Partner, along with the purchased product activation key.

  3. Cisco IOS 15 is available in two trains: T, which includes bug fixes and new features, and M,which includes bug fixes only.

  4. The Cisco ASR 1000 series features IOS-XE, a software architecture that consists of a platform component, IOS-XE middleware, andthe actual Cisco IOS software.

Answer: A,D

Question No: 22

Which of the following statements correctly describes the platform module slot evolution from pre-ISR through ISR to ISR G2?

  1. All three platforms support WIC, VWIC, and VIC.

  2. NM and NME can be used in the ISR G2 via an adapter. NME-X is not supported on ISR G2.

  3. All three platforms support AIM.

  4. ISR and ISR G2 support PVDM2; noadapter is required in ISR G2.

Answer: B

Question No: 23

Cisco MediaNet provides multimedia optimization services in a Cisco Borderless Network. Which two of the following statements correctly describe Cisco MediaNet? (Choose two.)?

  1. Cisco MediaNet Performance Monitor collects performance metrics of video traffic as flexible netflow records which can be processed by any netflow collector, such asCisco Prime Assurance Manager.

  2. Cisco MediaNet supports only SNMP traps but not syslog messages.

  3. When using PVDM3 on Cisco ISR G2, video streams of the same type can be locally mixed within the router. Video transcoding servicesrequire a dedicated video MCU.

  4. Cisco MediaNet Mediatrace allows real-time troubleshooting by providing details about every hop of the end-to-end path of your mediastream.

Answer: A,D

Question No: 24

Application visibility and performance monitoring are important components of an optimized WAN. Which three of the following can be sources for Cisco Prime Network Analysis Module? (Choose three.)

  1. Syslog

  2. WAAS Flow Agent

  3. IOS Performance Agent

  4. Flexible Netflow

  5. CDR

Answer: B,C,D

Question No: 25

Which two of the following are correct descriptions of Next-Generation Enterprise WAN modules? (Choose two.)

  1. Regional WAN: This used to be called Internet Edge and provides distributed Internet access.

  2. Global CorE.This module interconnects multiple theater cores.

  3. Enterprise CorE.This module interconnects all other modules.

  4. In-Theater CorE.This module aggregates regional WANs.

Answer: B,D

Question No: 26

Which two of the following statements correctly describe regional WAN branch profiles? (Choose two.)

  1. 3G, 4G, and satellite connections are commonly used as backup links in high-end branches.

  2. The standard branch typically uses MPLS as a primary link and any kind of Internet link(DSL, cable, etc.) for backup.

  3. HD video traffic is found in high-end and ultra high-end branches.

  4. WAAS Express is the preferred WAN optimization implementation in mobile and standard branches.

Answer: B,C

Question No: 27

Which two of the following need to be considered when designing QoS in a Cisco Borderless Network? (Choose two.)?

  1. In order to receive priority treatment for mission-critical traffic across the SP cloud, the higher number of locally used classes of service have to be mapped to the fewer number service classes that are usually offered by service providers.

  2. In order to maintain DSCP values end-to-end, inbound traffic from the SP cloud needs to be reclassified if it was sent through a tunnel.

  3. RFC 4594 describes how to classify and mark traffic at the campus and branch LAN using 12 different classifications.

  4. According to RFC 4594, voice and video traffic should be sent through two separate priority queues.

Answer: A,C

Question No: 28

Which three of the following protocols are first-hop redundancy protocols? (Choose three.)

  1. GLBP

  2. GSRP

  3. HSRP

  4. VRRP

Answer: A,C,D

Question No: 29

Which of the following statements best describes the routing vendor landscape?

  1. Juniper Networks is the strongest competitor in the high-end and SOHO markets.

  2. AVM is one of the largest Cisco competitors in Germany.

  3. Most competitors have a similar architectural approach to Cisco.

  4. Larger competitors to Cisco include Juniper Networks, Riverbed, and Huawei.

Answer: D

Question No: 30

Which three of the following statements correctly describe the benefits of Cisco routers as an important part of the Cisco Borderless Network? (Choose three.)?

  1. Cisco offers a number of scalable and easy-to-maintain VPN solutions, including GET VPN and DMVPN.

  2. Cisco router security features include MACsec, BPDU Guard, and host IPS functionality.

  3. Cisco offers performance-based routing, which adapts routing decisions based on the requirements of certain traffic flows.

  4. Cisco routers support zero-touch deployment for simple and fast deployment of new remote locations.

  5. MACsec is supported only on high-end routers.

Answer: A,C,D

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