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单选题
有关PPTP（Point-to-Point Tunnel Protocol）说法正确的是：（）
A
PPTP是Netscape提出的。
B
微软从NT3.5以后对PPTP开始支持。
C
PPTP可用在微软的路由和远程访问服务上。
D
它是传输层上的协议。
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考题
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Which three of these statements about Dynamic Trunking Protocol are correct？（）A、It supports autonegotiation for both ISL and IEEE 802.1Q trunks.B、It must be disabled on an interface if you do not want the interface to work as a trunk or start negotiation to become a trunk.C、It is a point-to-multipoint protocol.D、It is a point-to-point protocol.E、It is not supported on private VLAN ports or tunneling ports.
考题
What are the header sizes for point-to-point and multi-point GRE（also known asmGRE） with tunnel key？（）A、 4 bytes for bothB、 4 bytes， and 8 bytes respectivelyC、 8 bytes for bothD、 24 bytes for both
考题
You deploy mobile devices that run Microsoft Windows Mobile 5.0. A Microsoft Windows Server 2003 server that runs Routing and Remote Access is configured to allow virtual private network （VPN） connections that are as secure as possible. You need to connect the Windows Mobilebased devices to the VPN server. You also need to ensure that both ends of the VPN tunnel are authenticated. Which two actions should you perform？（）A、Select L2TP/IPSec on each Windows Mobilebased device.B、Obtain and install a certificate on each Windows Mobilebased device.C、Configure the appropriate pre-shared key on each Windows Mobilebased device.D、Select Point-to-Point Tunneling Protocol （PPTP） on each Windows Mobilebased device.
考题
You deploy a mobile messaging solution by using front-end and back-end servers that run Microsoft Exchange Server 2003 Service Pack 2. Certificates are installed on all Microsoft Windows Mobilebased devices. You need to allow devices that run Microsoft Windows Mobile 5.0 to perform certificate-based authentication for Microsoft Exchange ActiveSync. What should you do？（）A、Configure the front-end server for Kerberos Constrained Delegation （KCD）.B、Configure a Routing Group Connector between the front-end and back-end servers.C、Configure the Windows Mobilebased devices with a Point-to-Point Protocol （PPTP） connection.D、Configure the Windows Mobilebased devices to use Extensible Authentication Protocol （EAP） and either a smart card or a certificate.
考题
单选题What is a benefit of Internet protocol (IP) telephony?（）A
Synchronizes password exchanges for call setupB
Eliminates the need for physical cabling in a TCP/IP networkC
Enables two-way voice transmission over a packet-switched TCP/IP networkD
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考题
单选题Which L2TP protocol packet is sent by the LAC to establish the control connection (tunnel)?（）A
Start Tunnel Discovery RequestB
Start Control Connection RequestC
L2TP Control Connection RequestD
L2TP Tunnel Establishment Request
考题
单选题You need to recommend a VPN solution for the new sales office. The solution must support the company's planned changs. What should you include in the recommendation？（）A
Internet Key Exchange version 2 （IKEv2）B
Layer 2 Tunneling Protocol （L2TP）C
Point-to-Point Tunneling Protocol （PPTP）D
Secure Socket Tunneling Protocol （SSTP）
考题
单选题A policy-based IPsec VPN is ideal for which scenario？（）A
when you want to conserve tunnel resourcesB
when the remote peer is a dialup or remote access clientC
when you want to configure a tunnel policy with an action of denyD
when a dynamic routing protocol such as OSPF must be sent across the VPN
考题
多选题Which three of these statements about Dynamic Trunking Protocol are correct？（）AIt supports autonegotiation for both ISL and IEEE 802.1Q trunks.BIt must be disabled on an interface if you do not want the interface to work as a trunk or start negotiation to become a trunk.CIt is a point-to-multipoint protocol.DIt is a point-to-point protocol.EIt is not supported on private VLAN ports or tunneling ports.
考题
单选题What are the header sizes for point-to-point and multi-point GRE（also known asmGRE） with tunnel key？（）A
4 bytes for bothB
4 bytes， and 8 bytes respectivelyC
8 bytes for bothD
24 bytes for both
考题
多选题Which two mechanisms can be used to detect IPsec GRE tunnel failures？（）ADead Peer Detection （DPD）BCDPCisakmp keepalivesDGRE keepalive mechanismEThe hello mechanism of the routing protocol across the IPsec tunnel
考题
单选题Which statement describes the FIP function of the FCoE Initiation Protocol？ （）A
It is required to establish the point-to-point FCoE links with the first switch in the path.B
It is required to establish the point-to-point FCoE links with any switch across multiple Ethernet segments.C
It is not used to build the FCoE links.D
It is used to ensure lossless transport.
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