Download CCIE Collaboration Written Exam v1-1.passcertification.400-051.2019-10-21.1e.350q.vcex

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Exam CCIE Collaboration Written Exam v1.1
Number 400-051
File Name CCIE Collaboration Written Exam v1-1.passcertification.400-051.2019-10-21.1e.350q.vcex
Size 20.91 Mb
Posted October 21, 2019
Downloads 23
Download CCIE Collaboration Written Exam v1-1.passcertification.400-051.2019-10-21.1e.350q.vcex

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Demo Questions

Question 1

Company ABC is planning to migrate from MCS-hosted Cisco Unified Communications Manager applications to Cisco UC on UCS B-Series servers. 
Which statement about installation media support is true for this migration?

  • A: The install log can be written to a USB flash drive that is attached to the UCS server.
  • B: The answer file that is generated by the Answer File Generator (platformConfig.xml) can be read from a USB flash drive to perform an unattended installation on the UCS server.
  • C: The Cisco Music on Hold USB audio sound card can be mapped to a virtual USB port on a VMware virtual machine on the UCS server.
  • D: The answer file that is generated by the Answer File Generator (platformConfig.xml) can be read from an FLP image that is mounted in a virtual floppy drive.
  • E: The Cisco Music on Hold USB audio sound card can be mapped to a virtual serial port on a VMware virtual machine on the UCS server.

Correct Answer: D

Using the AFG will allow you to get this license mac before even touching the server. It is provided after filling in the main form of the AFG but it can also be found by looking at the last few lines of your platformconfig.xml file. 
Once you have the xml files, you will need to map those to the floppy drive of the VM (no usb support on the VM OVA). There are many ways to do this. I simply use a freeware virtual floppy app that I drop the platformconfig.xml file on and then copy the*.flp image out to the datastore. I’ll end up with a directory on my datastore called AFG that has the host named *.flp images that I will use during install. It also serves as archival of these files in the event the server needs to be re-imaged. This is important because the license mac will change if every parameter is not entered exactly as it was prior. If the license mac changes, you will have to go through the process of requesting new license files to be generated. 
References: http://angryciscoguy.com/jello/cisco-answer-file-generator-to-the-rescue/




Question 2

Which definition is included in a Cisco UC on UCS TRC?

  • A: required RAID configuration, when the TRC uses direct-attached storage
  • B: configuration of virtual-to-physical network interface mapping
  • C: step-by-step procedures for hardware BIOS, firmware, drivers, and RAID setup
  • D: configuration settings and patch recommendations for VMware software
  • E: server model and local components (CPU, RAM, adapters, local storage) by name only; part numbers are not included because they change over time

Correct Answer: A

Definition of server model and local components (CPU, RAM, adapters, local storage) at the orderable part number level. 
Required RAID configuration (e.g. RAID5, RAID10, etc.) - including battery backup cache or SuperCap - when the TRC uses DAS storage 
Guidance on hardware installation and basic setup. 
Configuration of Virtual-to-physical network interface mapping is design-dependent and not included in TRC definition. 
Configuration of adapters (such as Cisco VIC, 3rd-party CNA / NIC / HBA) is design-dependent and not included in TRC definition. 
Design, installation and configuration of external hardware is not included in TRC definition, such as:
Network routing and switching (e.g. routers, gateways, MCUs, ethernet/FC/FCoE switches, Cisco Catalyst/Nexus/MDS, etc.) 
QoS configuration of route/switch network devices 
Cisco UCS B-Series chassis and switching components (e.g. Cisco UCS 6100/6200, Cisco UCS 2100/2200, Cisco UCS 5100) 
Storage arrays (such as those from EMC, NetApp or other vendors) 
Configuration settings, patch recommendations or step by step procedures for VMware software are not included in TRC definition. 
Infrastructure solutions such as Vblock from Virtual Computing Environment may also be leveraged for configuration details not included in the TRC definition. 




Question 3

Which capability is supported by Cisco Discovery Protocol but not by LLDP-MED?

  • A: LAN speed and duplex discovery
  • B: Network policy discovery
  • C: Location identification discovery
  • D: Power discovery
  • E: Trust extension

Correct Answer: E

Cisco Discovery Protocol provides an additional capability not found in LLDP-MED that allows the switch to extend trust to the phone. In this case, the phone is now trusted to mark the packets received on the PC port accordingly. This feature can be used to off-load the switch because now it does not need to police the information being received from the phone.




Question 4

Which two mechanisms does Cisco EnergyWise use for neighbor discovery? (Choose two.)

  • A: multicast
  • B: LLDP-MED
  • C: UDP broadcast
  • D: Cisco Discovery Protocol
  • E: TCP

Correct Answer: CD

Cisco EnergyWise Neighbor Discovery Process 
The Cisco EnergyWise neighbor discovery process is the mechanism by which domain members discover each other and populate their Cisco EnergyWise neighbor tables. Cisco EnergyWise queries can subsequently be distributed to all domain members using the neighbor relationships to monitor and control the power usage of devices within a domain. Cisco EnergyWise domain members automatically discover their neighbors through one of two mechanisms:
UDP broadcast packets are automatically sent out switch ports which support Cisco EnergyWise, regardless of whether the interfaces are configured with the no energywise interface-level command. CDP packets are sent when CDP is configured for the switch ports. 
References: http://www.cisco.com/en/US/docs/solutions/Enterprise/Borderless_Networks/Energy_Management/energywisedg.html?referring_site=smartnavRD#wp555927




Question 5

Which protocol does the Cisco Prime LAN Management Solution application use to communicate with Cisco EnergyWise domain members?

  • A: UDP broadcast
  • B: Cisco Discovery Protocol
  • C: UDP unicast
  • D: TCP
  • E: multicast

Correct Answer: D

Cisco Prime LMS 4.1 uses TCP port 43440.




Question 6

Refer to the exhibit. 

  
  
Assuming that the administrator has never performed any manual custom uploads, which two file types can be found when you choose Software Upgrades, followed by TFTP File Management on the Cisco Unified Operating System Administration web page? (Choose two.)

  • A: IP phone configuration files
  • B: sample music-on-hold audio files
  • C: Identity Trust List files
  • D: IP phone license files
  • E: Mobile Voice Access audio files
  • F: softkey template files

Correct Answer: CE

We get option for Identity Trust list Files and Mobile Voice Access audio files.




Question 7

Which statement describes a disadvantage of using the Cisco TFTP service to serve IP phone load files?

  • A: The Cisco TFTP services can run on only one Cisco Unified Communications Manager server in a cluster.
  • B: Because TFTP operates on top of UDP, there is a high risk of corrupted load file delivery at the completion of the TFTP process due to undetected data loss in the network.
  • C: If a response is not received in the timeout period, the TFTP server will not resend the data packet.
  • D: Packet loss can significantly increase the TFTP session completion time.
  • E: Because TFTP operates with an adaptive timeout period, the time to complete the file transfer is unpredictable.

Correct Answer: D

Voice traffic cannot recapture lost packets. Rather than retransmitting a lost network connection, the phone resets and attempts to reconnect its network connection. 
References: http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/6921_6941_6961/7_1_2/english/admin/guide/6921trb.html#wp1031181




Question 8

Which two statements about using the Load Server option for IP phone firmware distribution are true? (Choose two.)

  • A: This option must be enabled on at least two servers in a Cisco Unified Communications Manager cluster.
  • B: This option must be enabled on Cisco Unified Communications Manager service parameters for Cisco TFTP.
  • C: Phone firmware must be manually copied to any applicable load servers.
  • D: The load server will not function if its IP address is not in the same subnet as the IP phones.
  • E: This option is only available for newer IP phone models.
  • F: This option does not accommodate falling back to Cisco TFTP on error.

Correct Answer: CF

Choosing the Right Distribution Method 
Which of the three different image-distribution methods discussed so far is the best for a customer deployment? Each method has advantages and disadvantages, and they are summarized in Table 1. 
Table 1. Summary of Distribution Models 

  

References: http://www.cisco.com/en/US/prod/collateral/voicesw/ps6882/ps6884/white_paper_c11-583891.pdf




Question 9

Which two statements about the Peer Firmware Sharing option for IP phone firmware distribution are true? (Choose two.)

  • A: This option uses a parent-child hierarchy in which a firmware image is downloaded by a parent phone to up to three directly associated child phones.
  • B: This option must be enabled on Cisco Unified Communications Manager service parameters for Cisco TFTP.
  • C: This option mandates that the parent phone and child phones be identical, selected phone models.
  • D: This option allows firmware transfers between phones in different subnets, as long as the round-trip delay is less than 5 milliseconds.
  • E: This option uses a parent-child hierarchy that must be manually defined by the Cisco Unified Communications Manager administrator.
  • F: This option allows falling back to the TFTP server in the Cisco Unified Communications Manager cluster.

Correct Answer: CF

Peer Firmware Sharing works by setting up a parent-child hierarchy of the phones in which a firmware image is downloaded by the parent phone to a child phone. The advantage of using Peer Firmware Sharing is that instead of all phones individually retrieving a software image, they pass the image along from one phone to another phone on the same subnet. 
Advantage of PFS:
Hierarchy is automatic 
One download per phone model on a subnet 
Uses TCP 
Fails back to TFTP 
Speeds up LAN upgrades 
Reduces TFTP CPU load during upgrade




Question 10

Which capability is support by LLDP-MED but not by Cisco Discovery Protocol?

  • A: LAN speed discovery
  • B: network policy discovery
  • C: location identification discovery
  • D: power discovery
  • E: trust extension

Correct Answer: A

LLDP-MED supports both LAN speed and duplex discovery. Cisco Discovery Protocol supports duplex discovery only, but this limited support is not seen as a problem because if there is a speed mismatch, LLDP-MED and Cisco Discovery Protocol cannot be exchanged and thus cannot be used to detect the mismatch.










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