多选题Which two statements about voice VLANs are correct？（）AVoice VLANs eliminate the need for QoS configurationBVoice VLANs are used on trunk links to eliminate the need for QoS CoS markingsCVoice VLANs are mainly used to reduce the number of access switch

题目

多选题

Which two statements about voice VLANs are correct？（）

Voice VLANs eliminate the need for QoS configuration

Voice VLANs are used on trunk links to eliminate the need for QoS CoS markings

Voice VLANs are mainly used to reduce the number of access switch ports that are used in the network

Voice VLANs can be configured to forward existing CoS priorities or override them

Voice VLANs are mainly used between access layer switches and distribution layer switches

Voice VLANs can be configured on Layer 2 ports only

如果没有搜索结果或未解决您的问题，请直接联系老师获取答案。

相似问题和答案

第1题：

Which two statements about the use of VLANs to segment a network are true?()

A. VLANs increase the size of collision domains.

B. VLANs allow logical grouping of users by function.

C. VLANs simplify switch administration.

D. VLANs enhance network security.

参考答案：B, D

第2题：

Which two statements are true about voice packets in a LAN？（Choose two.）（）

A、 Voice traffic data flow involves large volumes of large packets.
B、 Because a packet loss involves a small amount of data， voice traffic is less affected by packet losses than traditional data traffic is.
C、 Voice carrier stream utilizes Real-Time Transport Protocol （RTP） to carry the audio/media portion of VoIP communication.
D、 Voice packets are very sensitive to delay and jitter.
E、 Voice packets are encapsulated in TCP segments to allow for proper sequencing during delivery.

正确答案:C,D

第3题：

Which of the following statements about ORACLE is (are) correct?

Ⅰ.ORACLE follows SQL standard

Ⅱ.ORACLE database defines two logical types: table and view

A．Ⅰonly

B．Ⅱ only

C．Ⅰ and Ⅱ

D．none of the above

正确答案：C

第4题：

Which two statements are true about voice VLANs？（）

A、Voice VLANs are only used when connecting an IP phone and a host to distinct switch ports
B、Access ports that are configured with voice VLANs will always trust the CoS that is received from IP phones
C、Access ports that are configured with voice VLANs may or may not override the CoS value that is received from an IP phone
D、Voice VLANs are configured using the switchport voice vlan vlan-ID interface configuration command
E、Voice VLANs provide a trunking interface between an IP phone and an access port on a switch to allow traffic from multiple devices that are connected to the port
F、Enabling Voice VLAN on a switch port will automatically configure the port to trust the incoming CoS markings

正确答案:C,D

第5题：

Which two statements are true about the protocols that are used for transmitting voice traffic？（）

A、RTP multiplexing is used to keep multiple phone conversations separate
B、RTP provides end-to-end delivery services for voice traffic
C、UDP is used to ensure a reliable transmission from sender to receiver
D、RTP is used to provide resource reservation for the voice stream
E、UDP provides multiplexing

正确答案:E

第6题：

Which two statements about voice VLANs are correct？（）

A、Voice VLANs eliminate the need for QoS configuration
B、Voice VLANs are used on trunk links to eliminate the need for QoS CoS markings
C、Voice VLANs are mainly used to reduce the number of access switch ports that are used in the network
D、Voice VLANs can be configured to forward existing CoS priorities or override them
E、Voice VLANs are mainly used between access layer switches and distribution layer switches
F、Voice VLANs can be configured on Layer 2 ports only

正确答案:D,F

第7题：

Which two statements are correct about the signaling methods that are utilized for transmitting voice？（）

A、 Channel-associated signaling transmits control signals in band and therefore reduces the bandwidth available for the voice data stream.
B、 Channel-associated signaling utilizes a separate TDM channel for transmitting control signals.
C、 Common channel signaling transmits control signals in band and therefore reduces the bandwidth available for the voice data stream.
D、 Common channel signaling uses one of the TDM channels to transmit control information reducing the number of channels available for voice.
E、 ISDN BRIs implement channel-associated signaling.

正确答案:A,D

第8题：

Which three statements are correct about Rate Limiters? ()(Choose three.)

A. one-rate rate limiters

B. two-rate rate limiters

C. two-rate rate limiters is the default

D. one-rate rate limiters is the default

E. there is no default it must be configured

参考答案：A, B, C

第9题：

You have configured voice VLANs on Catalyst switch R1. Which two statements are true about the operation of voice VLANs on this device？（）

A、 When the voice VLAN feature is enabled， all untagged traffic is sent according to the default CoS priority of the port.
B、 Enabling voice VLANs enables the switch to create multiple queues for traffic that is entering a port.
C、 When voice VLANs are configured on a trunk link， UplinkFast must also be enabled.
D、 Voice VLANs are configured to enable the switch to forward frames marked with the proper CoS values over separate physical links.
E、 Enabling voice VLANs enables the switch to forward frames with a specific 802.1P marking.

正确答案:A,E

第10题：

Which two statements about layer 3 access designs are correct？（）

A、 IP address space is difficult to manage.
B、 Broadcast and fault domains arc increased
C、 Convergence time is fractionally slower than STP
D、 Limits on clustering and NIC teaming are removed
E、 Fast uplink convergence is supported tor failover and fallback

正确答案:A,E

Which two statements about voice VLANs are correct？（）

题目

相似问题和答案

更多相关问题

相关内容