With VPLS， which protocol is used for label exchange and PW signalling？（）

相似题目

• Which two implementations are standard Virtual Private LAN Service （VPLS） implementations that aresupported by the IETF？（）

  A . VPLS uses LDP for signaling. B . VPLS uses BGP for autodiscovery and signaling. C . VPLS uses extended IS-IS for signaling D . VPLS uses OSPF version 3 for auto discovery and signaling E . VPLS uses spanning tree for signaling

  查看最佳答案

• When determining a customer’s technical requirements for a Cisco Unified Communications solution， which important tool can be used to determine the bandwidth used by different codecs with various protocols over different media？（）

  A . Network Codec Aggregator Tool B . Bandwidth Estimator Tool C . Unified Communication Bandwidth Tool D . Voice Bandwidth Calculator E . Voice Codec Bandwidth Calculator

  查看最佳答案

• Which three LAN routing protocols would be appropriate for a small retail organization with a multivendor LAN infrastructure?（）

  A . IGRP B . RIP C . RIPv2 D . OSPF

  查看最佳答案

• Which statement about VPLS is true？（）

  A . All CE devices emulate a bridge B . All provider devices emulate a bridge C . Hierarchical VPLS reduces signaling overhead D . Each PE device emulates a bridge E . Each CE device emulates a bridge

  查看最佳答案

• A new network has been configured using OSPF as the routing protocol. With which network type will OSPF establish router adjacencies but not perform the DR/BDR election process?（）

  A . point-to-point B . Backbone area 0 C . Broadcast multicast D . Non-broadcast multi-access E . The DR/BDR process is done for all interface type

  查看最佳答案

• Which three things are the building blocks of the Cisco VPLS architecture？（）

  A . VLAN Trunk Protocol （VTP） B . State Synchronization Protocol （SSP） C . L2VPN D . Ethernet Virtual Switch Interface （VSI） E . Label Distribution Protocol （LDP）

  查看最佳答案

• Switch R1 has been configured with DTP using the desirable option.  Which statement describes  Dynamic Trunking Protocol （DTP） desirable mode？（）

  A .  The interface actively attempts to convert the link to a trunk link. B .  The interface is put into permanent trunking mode but prevented from generating DTP frames.   C .  The interface is put into permanent trunking mode and negotiates to convert the link into a trunk  link. D .  The interface is put into a passive mode， waiting to convert the link to a trunk link.   E .  None of the other alternatives apply

  查看最佳答案

• Which three protocols or applications should be placed in a class that is configured with WRED？（）

  A . HTTP B . RTP C . streaming video D . BitTorrent E . POP3

  查看最佳答案

• Which of these statements best describes VPLS？（）

  A .  Neither broadcast nor multicast traffic is ever flooded in VPLS. B .  Multicast traffic is flooded but broadcast traffic is not flooded in VPLS. C .  VPLS emulates an Ethernet switch， with each EMS being analogous to a VLAN. D .  Because U-PE devices act as IEEE 802.1 devices， the VPLS core must use STP. E .  When the provider experiences an outage， IP re-routing restores PW connectivity and MAC re-learning is needed.

  查看最佳答案

• Which four Cisco Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning-Tree plus?（）

  A . PortFast B . UplinkFast C . loop guard D . root guard E . BPDU guard F . BackboneFast

  查看最佳答案

• Which series of commands will configure router R1 for LAN-to-LAN communication with router R2？ The enterprise network address is 192.1.1.0/24 and the routing protocol in use is RIP.（）https://assets.asklib.com/images/image2/2018072315342863428.jpg

  A . R1（config）# interface ethernet 0；R1（config-if）# ip address 192.1.1.129 255.255.255.192；R1（config-if）# no shutdown B . R1（config）# interface ethernet 0；R1（config-if）# ip address 192.1.1.97 255.255.255.192；R1（config-if）# no shutdown C . R1（config）# interface serial 0；R1（config-if）# ip address 192.1.1.4 255.255.255.252；R1（config-if）# clock rate 56000 D . R1（config）# interface serial 0；R1（config-if）# ip address 192.1.1.6 255.255.255.252；R1（config-if）# no shutdown E . R1（config）# router rip；R1（config-router）# network 192.1.1.4；R1（config-router）# network 192.1.1.128 F . R1（config）# router rip；R1（config-router）# version 2；R1（config-router）# network 192.1.1.0

  查看最佳答案

• For security reasons, the network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Which protocol should be blocked with access control lists？（）

  A . IP B . ICMP C . TCP D . UDP

  查看最佳答案

• Which four Cisco priority Spanning Tree Protocol enhancements are supported with rapid per-VLAN Spanning Tree？ （）

  A .  PortFast B .  UplinkFast C .  loop guard D .  root guard E .  BPDU guard F .  BackboneFast

  查看最佳答案

• Which two statements about VPLS are true？ （）

  A . There is a full mesh of pseudowires. B . There is a partial mesh of pseudowires. C . Only L2TPv3 can be used for pseudowire establishment. D . There is split-horizon to avoid loops.

  查看最佳答案

• A routing protocol is required that supports: 1)routing update authentication 2)an addressing scheme that conserves IP addresses 3)multiple vendors 4)a network with over 50 routers Which routing protocol fulfills these requirements（）。

  A . RIPv1 B . RIPv2 C . EIGRP D . OSPF

  查看最佳答案

• Which statement about the Lightweight Access Point Protocol （LWAPP） protocol is true？（）

  A .  The processing of 802.11 data and management protocols and access point capabilities is distributed  between a lightweight access point and a centralized WLAN controller. B .  LWAPP aggregates radio management forward information and sends it to a wireless LAN solution  engine. C .  LWAPP authenticates all access points in the subnet and establishes a secure communication channel  with each of them. D .  LWAPP advertises its WDS capability and participates in electing the best WDS device for the wireless  LAN

  查看最佳答案

• Which three LAN routing protocols would be appropriate for a small retail organization with a multi-vendor LAN infrastructure？ （）

  A .  IGRP B .  RIP C .  RIPv2 D .  OSPF

  查看最佳答案

• A switch has been configured with two vlans and is connected to a router with a trunk for inter-vlan routing.OSPF has been configured on the router，as the routing protocol for the network.Which statement about thisnetwork is true？（）

  A . For the two vlans to communicate，a network statement for the trunk interface needs to be added to the OSPF configuration. B . For the two vlans to communicate， a network statement for each subinterface needs to be  added  to the OSPF configuration. C . Direct inter-vlan communication does not require OSPF D . OSPF cannot be used if router-on-a-stick is configured on the router

  查看最佳答案

• Which of these statements best describes VPLS?（）

  A . Neither broadcast nor multicast traffic is ever flooded in VPLS. B . Multicast traffic is flooded but broadcast traffic is not flooded in VPLS. C . VPLS emulates an Ethernet switch, with eachEMS being analogous to a VLAN. D . Because U-PE devices act as IEEE 802.1 devices, the VPLS core must use STP. E . When the provider experiences an outage, IP re-routing restores PW connectivity and MAC relearning is needed.

  查看最佳答案

• You are unable to telnet to a router at address 203.125.12.1 from a workstation with the IP address 203.125.12.23. You suspect that there is a problem with your protocol stack. Which of the following actions is most likely to confirm your diagnosis?（）

  A . ping 127.0.0.0 B . ping 203.125.12.1 C . telnet 127.0.0.1 D . ping 127.0.0.1 E . tracert 203.125.12.1

  查看最佳答案

• For security reasons, the network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Which protocol should be blocked with access control lists（）。

  A . IP B . ICMP C . TCP D . UDP

  查看最佳答案

• Which two primary port authentication protocols are used with VSANs？（）

  A . SPAP B . CHAP C . DHCHAP D . ESP

  查看最佳答案

• Click the Exhibit button.Given the configuration shown in the exhibit, which protocol（s) are allowed to communicate with the device on ge-0/0/0.0？（）

  <img src='https://img2.soutiyun.com/shangxueba/ask/64191001-64194000/64192968/27436b9aa94e46b1ec4e3f7903ed4581.jpg' /> A. RIP B. OSPF C. BGP and RIP D. RIP and PIM

  查看最佳答案

• A routing protocol is required that supports:1)routing update authentication2)an addressing scheme that conserves IP addresses3)multiple vendors4)a network with over 50 routers Which routing protocol fulfills these requirements（）。

  A.RIPv1 B.RIPv2 C.EIGRP D.OSPF

  查看最佳答案