In the PPPoE the PPP Session price segment, PPPoE Client and PPPoE server Ethernet data frames exchanged between an object MAC address may be ____ .
In the PPPoE the PPP Session price segment, PPPoE Client and PPPoE server Ethernet data frames exchanged between an object MAC address may be ____ .A . widely broadcast MAC addressB . Group multicast MAC addressC . The MAC address of the PPPoE clientD . The MAC address of the PPPoE serverView...
On what device in the MPLS network does the MPLS forwarding medium voltage label ( PUSH ) operation occur ?
On what device in the MPLS network does the MPLS forwarding medium voltage label ( PUSH ) operation occur ?A . The packet enters the MPLS network at the LER on deviceB . On all LSR devices in the middle of the MPLS networkC . The packet leaves the MPLS network address LER on deviceD . On ...
The frequency band used to transmit data in ADSL2+ is ____ .
The frequency band used to transmit data in ADSL2+ is ____ .A . 20KHz ~ 1MHzB . 0 ~ 4 KHzC . 1.1MHz ~ 2_2MHzD . 20KHz ~ 2.2MHzE . High in 10MHZView AnswerAnswer: D
Among the commonly used VLAN division methods of EPCN networks , which method uses the double-layer VLAN planning ?
Among the commonly used VLAN division methods of EPCN networks , which method uses the double-layer VLAN planning ?A . PUPVB . PSPVC . PUPSPVD . PSVView AnswerAnswer: C Explanation: Should be C , PSPV is a normal single-layer VLAN , PUPSPV is QINQ Layer 2 VLAN
Among the control messages defined by the MPCP protocol, the one sent by the ONU is _____ .( Choose one or more )
Among the control messages defined by the MPCP protocol, the one sent by the ONU is _____ .( Choose one or more ) A .The GATE B.Report C.Register_Req D.Register E.Register AckView AnswerAnswer: BCE Explanation: ONU message: report register-req register-ack
According to different operating modes, VPN can be divided into the following types____ .
According to different operating modes, VPN can be divided into the following types____ .A . Intranet VPNB . Internet VPNC . CPE-Based VPND . Network-Based VPNView AnswerAnswer: CD
Common VPI/VCI values in ADSL applications include ____ .( Choose one or more )
Common VPI/VCI values in ADSL applications include ____ .( Choose one or more )A . 0/30B . 0/35C . 0/32D . 0/16View AnswerAnswer: BC
What is correct about DOS attacks is ____ .
What is correct about DOS attacks is ____ .A . DOS attacks are aimed at reducing the ability of the attacked system to provide servicesB . on to DOS attacks in the TCP FLOOD attack, you can use TCP proxy mechanism to defenseC . for at DOS attack in the FTP FLOOD attack...
Which of the following descriptions about GRE are correct ? ( Choose one or more )
Which of the following descriptions about GRE are correct ? ( Choose one or more )A . bearing carrier IP header to UDP port number 47 identifies the GRE headerB . GRE uses the Ethernet protocol type Ox0800 to identify the payload packet as IPC . GRE VPN can transmit multicast dataD . adopted using IP over...
Among the control messages defined by the MPCP protocol, the one sent by the OLT is ______ .( Choose one or more )
Among the control messages defined by the MPCP protocol, the one sent by the OLT is ______ .( Choose one or more )A . GATEB . ReportC . Register_ReqD . RegisterE . Register_AckView AnswerAnswer: AD Explanation: