Download CCIE Collaboration Written.examskey.400-051.1e.340q.vcex
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| Exam | CCIE Collaboration Written Exam v1.1 |
| Number | 400-051 |
| File Name | CCIE Collaboration Written.examskey.400-051.1e.340q.vcex |
| Size | 23.91 Mb |
| Posted | January 20, 2019 |
| Downloads | 58 |
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Demo Questions
Question 1
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.)
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
Question 2
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.
Question 3
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
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 4
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.
Question 5
Which two statements about the Cisco UC on UCS specs-based virtualization support model are true? (Choose two.)
- A: It has a configuration-based approach.
- B: It has a rule-based approach.
- C: It has less hardware flexibility compared to the third-party server specs-based support model.
- D: It has less hardware flexibility compared to the UC on UCS TRC support model.
- E: VMware vCenter is optional with this support model.
Question 6
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
Question 7
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
Question 8
In a Cisco EnergyWise domain, which two terms describe a Cisco IP phone? (Choose two.)
- A: endpoint
- B: domain member
- C: child domain member
- D: EnergyWise agent
- E: Cisco power distribution unit
Question 9
Which two SDP content headers can be found in a SIP INVITE message? (Choose two.)
- A: Expires
- B: Contact
- C: Connection Info
- D: Media Attributes
- E: Allow
- F: CSeq
Question 10
Refer to the exhibit.
If this SIP call is initiated using early offer, which SIP message will UA#2 use to communicate its media capability to UA#1?
If this SIP call is initiated using early offer, which SIP message will UA#2 use to communicate its media capability to UA#1?
- A: INVITE
- B: 180 Ringing
- C: 200 OK
- D: ACK
- E: RTP Media
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