网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
多选题
Which three statements are true about the data traffic characteristics of voice traffic？ （）
A
latency must be kept below 150 ms
B
latency is not a concern as long as jitter is kept below 30 ms
C
voice packets do not require a specific type of queuing
D
voice packets are rather small
E
voice packets require TCP for rapid retransmission of dropped packets
F
voice packets require a fairly constant bandwidth reserved for voice control traffic as well as forthe voice payload
参考答案
参考解析
解析：
暂无解析
更多 “多选题Which three statements are true about the data traffic characteristics of voice traffic？ （）Alatency must be kept below 150 msBlatency is not a concern as long as jitter is kept below 30 msCvoice packets do not require a specific type of queuingDvoice packets are rather smallEvoice packets require TCP for rapid retransmission of dropped packetsFvoice packets require a fairly constant bandwidth reserved for voice control traffic as well as forthe voice payload” 相关考题
考题
Which three statements are true about Oracle Data Pump export and import operations?()
A. You can detach from a data pump export job and reattach later.B. Data pump uses parallel execution server processes to implement parallel import.C. Data pump import requires the import file to be in a directory owned by the oracle owner.D. The master table is the last object to be exported by the data pump.E. You can detach from a data pump import job and reattach later.
考题
Which of following statements about testing software with data is (are) true?Ⅰ.The primary purpose of such testing is to find errors.Ⅱ.Such testing can demonstrate the existence of errors but can not demonstrate the absence of errors.A．NeitherB．Ⅰ onlyC．Ⅱ onlyD．Ⅰ and Ⅱ
考题
Which three statements are true about the data traffic characteristics of voice traffic？ （）A、latency must be kept below 150 msB、latency is not a concern as long as jitter is kept below 30 msC、voice packets do not require a specific type of queuingD、voice packets are rather smallE、voice packets require TCP for rapid retransmission of dropped packetsF、voice packets require a fairly constant bandwidth reserved for voice control traffic as well as forthe voice payload
考题
Which three statements about bidirectional PIM are true？（）A、Traffic for a bidirectional group flows along the one shared tree and simultaneously utilizes multiple paths in a redundant network topologyB、It does not require any traffic signaling in the protocolC、Membership to a bidirectional group is signaled using explicit Join messagesD、It maintains source-specific forwarding stateE、It reduces memory， bandwidth， and CPU requirements
考题
In relation to MPLS Multicast VPN， which three statements about multicast distribution （MDT） groups aretrue？ （）A、Default MDT groups are used for PIM control traffic， low-bandwidth sources， and flooding of sparse mode traffic.B、MDTs are built in customer networksC、Data MDT groups are used for high-bandwidth sources to reduce replication to uninterested PEs.D、MDTs are built in provider networksE、The number of MDTs depends on PIM modes of MDT groups.
考题
Which two statements are true about L2TP tunnels?（） (Choose two.)A、Traffic is clear textB、Traffic is encryptedC、They are initiated by the LNSD、They are initiated by the LAC
考题
VOIP has been implemented at the main office of the Company network. Which two statements are true about voice packets in a LAN？（）A、 Voice carrier stream utilizes Real-Time Transport Protocol (RTP) to carry the audio/media portion of the VoIP communication. B、 Voice traffic data flow involves large volumes of large packets. C、 Because a packet loss involves a small amount of data, voice traffic is less affected by packet losses than traditional data traffic is. D、 Voice packets are encapsulated in TCP segments to allow for proper sequencing during delivery. E、 Voice packets are very sensitive to delay and jitter.
考题
Which statement is true about the data traffic between the access point named TKAP1 and controller TKC1？（）A、 The data traffic between the access point and controller is not encrypted.B、 The data traffic is encapsulated with LWAPP.C、 The data traffic is switched at the access point before being sent to the WLAN controller where VLAN tagging and QoS are applied.D、 The data traffic is encrypted with AES.E、 All of the above
考题
Which three statements are true about the voice VLAN feature on a Catalyst 2950 switch？ （Choose three.）（） A、 The CoS value is trusted for 802.1p or 802.1q tagged traffic.B、 The voice VLAN feature is disabled by default.C、 The IP phone accepts the priority of all tagged and untagged traffic and sets the CoS value to 4.D、 When the voice VLAN feature is enabled， all untagged traffic is sent according to the default CoS priority of the port.E、 PortFast is automatically disabled when a voice VLAN is configured.F、 The default CoS value for incoming traffic is set to 0.
考题
Which statement is true about voice VLANs？ （）A、When the voice VLAN feature is enabled， all untagged voice and data traffic is sent through the voice VLAN.B、The voice VLAN feature is enabled by default.C、The IP phone overrides the priority of all incoming data traffic （tagged and untagged） and sets the CoS value to 0.D、The default CoS value is 1 for incoming voice and data traffic.
考题
Which three characteristics are true about voice traffic in the campus network？ （）A、TCP retransmitsB、benignC、greedyD、drop sensitiveE、smoothF、delay insensitive
考题
Which three statements about MPLS traffic engineering （MPLS TE） are true？ （）A、MPLS TE supports admission controlB、MPLS TE tunnel traffic is a link attribute to compute the TE tunnel pathC、MPLS TE uses BGP extension to advertise link attributesD、MPLS TE provides protection capabilityE、MPLS TE uses RSVP to establish LSP
考题
Which three statements are true about Oracle Data Pump export and import operations?（）A、You can detach from a data pump export job and reattach later.B、Data pump uses parallel execution server processes to implement parallel import.C、Data pump import requires the import file to be in a directory owned by the oracle owner.D、The master table is the last object to be exported by the data pump.E、You can detach from a data pump import job and reattach later.
考题
Which three statements are true about the stages of database startup？（）A、Data files and redo log files can be renamed at the MOUNT stage.B、Control files are read at the OPEN stage for the location of data files.C、Control files are required to bring the database to the NOMOUNT stage.D、Data files and redo log files are made available to users at the OPEN stage.E、Data files and online redo log files are checked for consistency while opening the database
考题
Which three statements about subqueries are true? （）A、Asinglerowsubquerycanretrieveonlyonecolumnandonerow.B、Asinglerowsubquerycanretrieveonlyonerowbutmanycolumns.C、Amultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns.D、Amultiplerowsubquerycanbecomparedusingthe"；；"；operator.E、AsinglerowsubquerycanusetheINoperator.F、Amultiplerowsubquerycanusethe"；="；operator.
考题
多选题Which three statements are true about logical structures of the Oracle database（）AEach segment contains one or more extents.BMultiple tablespaces can share a single data file.CA data block is the smallest unit of input/output （I/O） in data files.DIt is possible to have tablespaces of different block sizes in a database.EEach data block in the database always corresponds to one operating system block.
考题
多选题Which three statements about bidirectional PIM are true？（）ATraffic for a bidirectional group flows along the one shared tree and simultaneously utilizes multiple paths in a redundant network topologyBIt does not require any traffic signaling in the protocolCMembership to a bidirectional group is signaled using explicit Join messagesDIt maintains source-specific forwarding stateEIt reduces memory， bandwidth， and CPU requirements
考题
多选题Which three statements about MPLS traffic engineering （MPLS TE） are true？ （）AMPLS TE supports admission controlBMPLS TE tunnel traffic is a link attribute to compute the TE tunnel pathCMPLS TE uses BGP extension to advertise link attributesDMPLS TE provides protection capabilityEMPLS TE uses RSVP to establish LSP
考题
单选题Refer to the exhibit. Which statement is true about a voice VLAN？（）A
Physically the voice network and the data network are separate.B
The voice traffic will normally be on a different IP subnet than will the data traffic.C
End user intervention is necessary to place the phone into the proper VLAN.D
The same security policy should be implemented for both voice and data traffic.E
The data VLAN must be configured as the native VLAN.
考题
多选题Which three characteristics are true about voice traffic in the campus network？ （）ATCP retransmitsBbenignCgreedyDdrop sensitiveEsmoothFdelay insensitive
考题
多选题VOIP has been implemented at the main office of the Company network. Which two statements are true about voice packets in a LAN？（）AVoice carrier stream utilizes Real-Time Transport Protocol (RTP) to carry the audio/media portion of the VoIP communication.BVoice traffic data flow involves large volumes of large packets.CBecause a packet loss involves a small amount of data, voice traffic is less affected by packet losses than traditional data traffic is.DVoice packets are encapsulated in TCP segments to allow for proper sequencing during delivery.EVoice packets are very sensitive to delay and jitter.
考题
多选题Which three statements are true about Oracle Data Pump export and import operations?（）AYou can detach from a data pump export job and reattach later.BData pump uses parallel execution server processes to implement parallel import.CData pump import requires the import file to be in a directory owned by the oracle owner.DThe master table is the last object to be exported by the data pump.EYou can detach from a data pump import job and reattach later.
考题
多选题Which three statements about subqueries are true? （）AAsinglerowsubquerycanretrieveonlyonecolumnandonerow.BAsinglerowsubquerycanretrieveonlyonerowbutmanycolumns.CAmultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns.DAmultiplerowsubquerycanbecomparedusingthe；；；operator.EAsinglerowsubquerycanusetheINoperator.FAmultiplerowsubquerycanusethe；=；operator.
考题
多选题Which three statements about NetFlow are true？（）ANetFlow records unidirectional IP traffic flow.BNetFlow records MPLS frame flow.CNetFlow expert is only over TCP.DNetFlow records is only over UDP.ENetFlow records subinterface information of traffic flow.
考题
多选题Which two statements are true about voice packets in a LAN？ （Choose two.） （）AVoice traffic data flow involves large volumes of large packets.BBecause a packet loss involves a small amount of data， voice traffic is less affected by packet losses than traditional data traffic is.CVoice carrier stream utilizes Real-Time Transport Protocol （RTP） to carry the audio/media portion of VoIP communication.DVoice packets are very sensitive to delay and jitter.EVoice packets are encapsulated in TCP segments to allow for proper sequencing during delivery.
考题
单选题Which statement is true about the data traffic between the access point named TKAP1 and controller TKC1？（）A
The data traffic between the access point and controller is not encrypted.B
The data traffic is encapsulated with LWAPP.C
The data traffic is switched at the access point before being sent to the WLAN controller where VLAN tagging and QoS are applied.D
The data traffic is encrypted with AES.E
All of the above
考题
单选题Which statement is true about voice VLANs？ （）A
When the voice VLAN feature is enabled， all untagged voice and data traffic is sent through the voice VLAN.B
The voice VLAN feature is enabled by default.C
The IP phone overrides the priority of all incoming data traffic （tagged and untagged） and sets the CoS value to 0.D
The default CoS value is 1 for incoming voice and data traffic.
热门标签
最新试卷
