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Home Cisco® 642-278

Cisco® 642-278 Exam Practice Questions (P. 4)

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Question #16
In which VLAN should Cisco TelePresence System endpoints be placed?
  1. A
    a new dedicated VLAN for Cisco TelePresence
  2. B
    the existing voice VLAN
  3. C
    the existing data VLAN
  4. D
    whichever makes the most sense for that specific customer site

Correct Answer:
B

Question #17
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.)
  1. A
    Does not require a DNS server
  2. B
    Prevents the IP telephony network from failing when the DNS is unavailable
  3. C
    IP addressing allows the use of service records to provide redundancy
  4. D
    Decreases the amount of time that is required when a device attempts to contact the Cisco Unified Communications Manager server
  5. E
    Provides for better denial-of-service prevention

Correct Answer:
ABD

Question #18
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.)
  1. A
    switchport mode access
  2. B
    switchport voice vlan dot1p
  3. C
    switchport voice vlan 100
  4. D
    switchport access vlan 101
  5. E
    switchport mode trunk

Correct Answer:
BCE

Question #19
In what way are Cisco Unified Communications Manager location parameters are used?
  1. A
    Assign directory numbers to devices as they connect to the TelePresence network
  2. B
    Implement call admission control in a centralized call processing deployment
  3. C
    Provide alternate call routing when the primary call path is unavailable
  4. D
    Specify the bandwidth to be used on a per-call basis between devices within a Cisco Unified Communication Manager cluster

Correct Answer:
B

Question #20
When using translation patterns in Cisco Unified Communications Manager, at which point does the Cisco Unified Communications Manager involve the translation pattern?
  1. A
    After the manipulation of the calling and called party numbers
  2. B
    Before the manipulation of the calling and called party numbers
  3. C
    After the route pattern is matched in the partition
  4. D
    Translation pattern always take precedence, so it would be involved first and then any further calling and called party manipulation would occur

Correct Answer:
B
Reference:
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/4_1_3/ccmcfg/b03txpat.html

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