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
第1题:
ZLB(Zero-Length Bod)消息是一个只有L2TP头的控制消息,其作用是作为一个明确应答,以确保控制消息的可靠传递。以下四种情况中,LNS不发送ZLB消息给LAC作为应答的有()。
第2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?()
第3题:
A.Incoming Call Reply, Incoming Call Request, Incoming Call Connected
B.Incoming Call Reply, Incoming Call Connected, Incoming Call Request
C.Incoming Call Request, Incoming Call Reply, Incoming Call Connected
D.Incoming Call Request, Incoming Call Connected, Incoming Call Reply
第4题:
L2TP建立隧道时使用的消息有()
第5题:
对于一个从中继发起的呼叫,到达MSC时是由哪个INCOMING CALL CONTROL控制()
第6题:
Which statement is true about a distributed call control environment and the processing of dialed digits from an IP phone?()
第7题:
The Acme company has determined that during its busiest hours, the average number of internal VoIP calls across the WAN link is four (4). Since this is an average, the WAN link has been sized for six (6) calls with no call admission control. What will happen when a seventh call is attempted across the WAN link? ()
第8题:
A. by snooping the CoS marking on the incoming frames
B. by using RTP hello messages between the switch port and the Cisco IP Phone
C. by using CDP
D. by using DHCP snooping
E. by snooping the incoming 802.1Q VLAN tag
第9题:
对于从BSC控制的基站下发起的呼叫到达MSC时是由哪个INCOMING CALL CONTROL控制()
第10题:
Which sequence of messages demonstrates the communications between the LAC and LNS when theyestablish an L2TP session?()