What voice endpoint&

题目

What voice endpoint is recommended for use with the Cisco Unified Communications 500 Series for small businesses?()

  • A、 IP7961
  • B、 IP8961
  • C、 SPA504
  • D、 SPA9000
参考答案和解析
正确答案:C
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相似问题和答案

第1题:

Refer to the exhibit. A router has a 256 kbps Frame Relay circuit connected to interface serial 0/0. As a large FTP packet is being placed into the hardware transmit queue of interface serial 0/0, a voice packet is placed into the priority queue of that interface. How, and in what order, wi the packets be transmitted?()

  • A、the voice packet will be transmitted first, followed by the FTP packet in its entirety
  • B、the voice packet will be transmitted first, followed by the fragmented FTP packet
  • C、the FTP packet will be fragmented and the voice packet will be interleaved
  • D、the FTP packet will be transmitted first in its entirety, follow by the voice packet

正确答案:D

第2题:

On a WLAN controller, what is the default roaming bandwidth percentage reserved for voice clients?()

  • A、6 percent
  • B、12 percent
  • C、18 percent
  • D、24 percent

正确答案:A

第3题:

What kind of voice did Jane say that Bessie had?()

A.mean

B.high

C.harsh

D.sweet


参考答案:D

第4题:

What are two major sources of delay that can be managed by QoS in voice-enabled networks?()

  • A、propagation delay
  • B、voice packet serialization delay
  • C、congested egress queues
  • D、header overhead
  • E、packets dropped because of CRC errors

正确答案:C,D

第5题:

What is the typical marked DSCP value for a voice media packet in Voice over IP technology?()

  • A、AF41
  • B、AF31
  • C、AF21
  • D、BE
  • E、EF

正确答案:E

第6题:

What will cause wireless voice devices to perform poorly?()

  • A、average signal strength that is greater than -67 dBi
  • B、cell overlap of 15 to 20 percent
  • C、uneven wireless coverage
  • D、absence of coverage holes

正确答案:C

第7题:

If voice and data traffic will be sent and received via a WAN links, what must be configured to provide a certain amount of dedicated bandwidth and to prioritize the voice traffic over other types of network traffic?()

  • A、IPSec VPN
  • B、QoS mechanism
  • C、Firewall
  • D、NAT
  • E、EIGRP routing protocol
  • F、Static routing

正确答案:B

第8题:

What does the interface subcommand switchport voice vlan 222 indicate?()

  • A、The port is configured for both data and voice traffic.
  • B、The port is fully dedicated to forwarding voice traffic.
  • C、The port will operate as an FXS telephony port.
  • D、Voice traffic will be redirected to VLAN 222.

正确答案:A

第9题:

What is the recommended radius of a cell for a voice-ready wireless network?()

  • A、 6 dBm
  • B、 19 dBm
  • C、 5 dBm
  • D、 7 dBm

正确答案:D

第10题:

What protocol does an IP phone use to learn the voice VLAN ID it should use for voice traffic?()

  • A、VTP
  • B、802.1 q
  • C、CDP
  • D、Skinny Station Protocol

正确答案:C

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