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Exam Implementing CUCM for TelePresence Video Solutions Exam
Number 642-278
File Name Implementing CUCM for TelePresence Video Solutions (PAIUCMTV).pass4sures.642-278.1e.25q.vcex
Size 17 Kb
Posted January 18, 2019
Downloads 17



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Demo Questions

Question 1
Which encryption algorithm does SRTP utilize?

  • A: SEAL
  • B: 3DES
  • C: IPSEC
  • D: AES



Question 2
What is the purpose of route filters?

  • A: to reduce the size of the calling search space
  • B: to reduce the number of dial peers required
  • C: to limit the number of reachable destinations
  • D: to reduce the number of route patterns added to the route plan
  • E: to block calls to matching route patterns



Question 3
In a Cisco Unified Communications environment, which four of the following are important IP configurations that are distributed to the endpoint from the DHCP servers? (Choose four.)

  • A: IP address
  • B: TFTP server
  • C: Primary router
  • D: Assigned VLAN
  • E: DNS server
  • F: WINS server
  • G: NTP server
  • H: HTTP server



Question 4
Which two of the following accurately describe MGCP? (Choose two.)

  • A: supports NFAS
  • B: is a master-slave protocol
  • C: supports O SIG
  • D: Is a binary-based protocol
  • E: uses UDP exclusively for faster performance



Question 5
What are four advantages that come from using auxiliary or voice VLANs in a Cisco Unified Communications environment? (Choose four.)

  • A: Separates voice and data traffic
  • B: Allows connectively between the voice and access VLANs
  • C: Enables auto-registration
  • D: Prevents unnecessary IP address renumbering
  • E: Only a single physical port on the switch
  • F: Simplifies QoS configuration



Question 6
Which two of the following methods can be used to challenge the identity of a TelePresence endpoint from a Cisco Unified Communications Manager servers? (Choose two.)

  • A: PKI
  • B: TLS
  • C: SRTP
  • D: Digest authentication
  • E: HTTPS
  • F: SFTP



Question 7
Which two SIP issues should be considered when deploying KlMl? (Choose two.)

  • A: Additional MTP resources will he required.
  • B: There will be significantly more signaling traffic on the network
  • C: Additional configuration steps will be required for SIP phone dial rules.
  • D: Social engineering will be required to educate users about how to dial a call with SIP
  • E: There will be additional processing demands on the Cisco Unified Communications Manager server



Question 8
In which VLAN should Cisco TelePresence System endpoints be placed?

  • A: a new dedicated VLAN for Cisco TelePresence
  • B: the existing voice VLAN
  • C: the existing data VLAN
  • D: whichever makes the most sense for that specific customer site



Question 9
In a Cisco Unified Communications environment, Cisco Unified Communications Manager can use DNS name or IP addresses for system addressing. What are three advantages of using IP addresses instead of DNS names? (Choose three.)

  • A: Does not require a DNS server
  • B: Prevents the IP telephony network from failing when the DNS is unavailable
  • C: IP addressing allows the use of service records to provide redundancy
  • D: Decreases the amount of time that is required when a device attempts to contact the Cisco Unified Communications Manager server
  • E: Provides for better denial-of-service prevention



Question 10
In a Cisco Unified Communications environment, which three of the following commands need to be applied on the Ethernet interface to configure a multi-VLAN access port? (Choose three.)

  • A: switchport mode access
  • B: switchport voice vlan dot1p
  • C: switchport voice vlan 100
  • D: switchport access vlan 101
  • E: switchport mode trunk








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