单选题Which sequence of messages demonstrates the communications between the LAC and LNS when theyestablish an L2TP session?（）A Incoming Call Reply, Incoming Call Request, Incoming Call ConnectedB Incoming Call Reply, Incoming Call Connected, Incoming Call R

题目内容(请给出正确答案)

单选题

Which sequence of messages demonstrates the communications between the LAC and LNS when theyestablish an L2TP session?（）

Incoming Call Reply, Incoming Call Request, Incoming Call Connected

Incoming Call Reply, Incoming Call Connected, Incoming Call Request

Incoming Call Request, Incoming Call Reply, Incoming Call Connected

Incoming Call Request, Incoming Call Connected, Incoming Call Reply

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。

更多相关问题

第1题

单选题Which statement is true about a distributed call control environment and the processing of dialed digits from an IP phone？（）A The router that is directly connected to the IP phone will look up the called number in its call routing table.B The router that is directly connected to the IP phone will inform its call agent when a service request is detected.C When the IP phone is picked up，the IP phone initiates the service request.D The directly connected router passes the collected digits to its call agent，and the call agent looks up in its call-routing table the called number.

点击查看答案
第2题

单选题When you enter the interface command auto qos voip cisco-phone on a port at the edge of a network, how does the Cisco Catalyst switch detect if a Cisco IP Phone is connected to the port? （）A by snooping the CoS marking on the incoming framesB by using RTP hello messages between the switch port and the Cisco IP PhoneC by using CDPD by using DHCP snoopingE by snooping the incoming 802.1Q VLAN tag

点击查看答案
第3题

单选题Which statement describes the distributed call control model in VoIP networks？（）A The gateway voice-capable device is configured to support call control directly performing call setup， call maintenance， and call teardownB The gateway voice-capable device has a local call routing table configured through a routing protocol.C The gateway voice-capable device relies on a call agent to support call control.D The gateway voice-capable device relies on a gatekeeper to support call setup， call maintenance， and call teardown.

点击查看答案
第4题

单选题While accessing the Internet in an external environment (i.e. while traveling), a Windows 7 firewall hould be set to which of the following?（）A Block incoming and outgoing connectionsB Turned off or disabledC Block outgoing connectionsD Block incoming connections

点击查看答案
第5题

单选题When onsite repairing a printer the technicians cell phone rings and it is a personal call， how should the technician handle this？（）A Answer the call and talk to your friend at the customer site.B Answer the call and tell the friend you will call them later.C Let it go to voicemail， call them back between service calls.D Let it ring and call the friend back when the customer leaves.

点击查看答案
第6题

单选题Which IP telephony deployment model uses an H.225 Gatekeeper-Controlled trunk for call admission control within existing H.323 environments?（）A single site with centralized call processingB single site with distributed call processingC multisite with centralized call processingD multisite with distributed call processing

点击查看答案
第7题

单选题The above bgp configuration has what effect on the configured router？（）A Allows incoming TCP connections destined to port 179B Allows incoming TCP connections sourced from port 179C Allows incoming TCP connections from 1.1.1.1 and destined to，or sourced from port 179D Allows incoming TCP connections from 1.1.1.1 that are destined to port 179E Allows incoming TCP connections from 1.1.1.1 that are sourced from port 179

点击查看答案

单选题Which sequence of messages demonstrates the communications between the LAC and LNS when theyestablish an L2TP session?（）A Incoming Call Reply, Incoming Call Request, Incoming Call ConnectedB Incoming Call Reply, Incoming Call Connected, Incoming Call R

题目内容(请给出正确答案)

更多相关问题

第1题

第2题

第3题

第4题

第5题

第6题

第7题

相关内容