Router R1 sits at an Enterprise branch office, using both the Internet and a leased line to another Enterprise router for its two connectivity options back into the rest of the Enterprise network. The engineer planning for this branch decided to use the

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Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, destined for an Enterprise network. Which of the following answers best describes the router's logic that tells the router, for a given packet, to apply GRE encapsulation to the packet?（）

• A、When the packet received on the LAN interface is permitted by the ACL listed on the tunnel greacl command under the incoming interface
• B、When routing the packet, matching a route whose outgoing interface is the GRE tunnel interface
• C、When routing the packet, matching a route whose outgoing interface is the IPsec tunnel interface
• D、When permitted by an ACL that was referenced in the associated crypto map

第7题：

The following terms describe various design options for Enterprise connectivity to the Internet.Which of the follow ing imply that the Enterprise connects to two or more ISPs？（）

• A、Single Homed
• B、Dual Homed
• C、Single Multihomed
• D、Dual Multihomed

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What are two methods of accessing a Juniper enterprise router？（）

• A、RSH
• B、HTTPS
• C、console
• D、J-Config

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Start of repeated scenarioYou are an enterprise desktop support technician for Fabrikam, Inc. Active Directory InformationThe company has a main office and a branch office. The main office hosts all of the companys servers. The main office connects to the branch office by using a WAN link. The network contains a single Active Directory domain that has 500 users. The domain contains three domain controllers and an enterprise root certification authority (CA). All servers run Windows Server 2008 R2. All user accounts are in an organizational unit (OU) named Employees. The computer accounts for all desktop computers are in an OU named Desktops. The computer accounts for all portable computers are in an OU named Laptops. A startup script is deployed to all computers by using Group Policy objects (GPOs). Client ConfigurationsAll client computers run Windows 7 Enterprise. All users have desktop computers. All computers are members of the domain. All desktop computers use wired connections to connect to the network. All portable computers use wireless connections to connect to the network. The wireless network is secured by using EAP-TLS. Company policy states that all client computers must be configured by using DHCP. The company has an internal Web site. The Web site is configured to useSSL encryption and to require client certificates. All company users can access the internal Web site. End of repeated scenario Users in the branch office report slow network performance when they connect to the file shares in the main office. You need to recommend a solution to improve performance when users access the file shares from the branch office. The solution must minimize hardware costs. What should you recommend implementing?（）

• A、BranchCache
• B、DirectAccess
• C、Distributed File System Replication (DFSR)
• D、Universal Group Membership Caching

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You work as the enterprise exchange administrator at TestKing.com. TestKing.com makes use of Microsoft Exchange Server messaging solution. The TestKing.com network consists of a single ActiveDirectory forest that contains a single named testking.com. TestKing.com has its headquartets in Chicago and 15 branch offices around the globe， which are configured as Active Directory sites. The branch offices of Testking.com are connected to the Chicagooffices and directly to the Internet. For the future， all the branch offices should have Exchange Server 2010 Hub Transport server that hasfollowing characteristics： 1. The Internet connections of the branch offices should be used to send e-mail. 2. The e-mail messages from the branch offices to the Chicago offices should go via a WAN link. 3. The branch offices should not use the WAN link to send e-mail to via the Internet 4. Administrative overhead should be reduced. What should you do？（）

• A、The best option is to use 10 Send connectors at every office.
• B、The best option is to use one SMTP site link at every office.
• C、The best option is to use one Send connector at every office.
• D、The best option is to use two Send connectors at every office.

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Router R1 sits at an Enterprise branch office, using the Internet for its only connectivity back to the rest of the EnterprisE. Which of the following is not a ben efit of using an IPsec tunnel for packets sent through the Internet, between R1 and the rest of the Enterprise?（）

• A、Privacy
• B、Authentication
• C、Allows using an IGP between R1 and the Enterprise
• D、Secure communications

第18题：

Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, and into the core of an Enterprise network. The branch also allows local hosts to communicate directly with public sites in th e Internet over this same DSL connection. Which of the following answers defines how the branch NAT config avoids performing NAT for the Enterprise directed traffic but does perform NAT for the Internet - directed traffic?（）

• A、By not enabling NAT on the I Psec tunnel interface
• B、By not enabling NAT on the GRE tunnel interface
• C、By configuring the NAT - referenced ACL to not permit the Enterprise traffic
• D、By asking the ISP to perform NAT in the cloud

第19题：

Router R1, a branch router, connects to the Internet using DSL. The engineer plans to use a configuration with a dialer interface. The answers list a feature and interface on which the feature could be configured. Which combinations accurately describe the interface under which a feature will be configured?（）

• A、PPP on the ATM interface
• B、VPI/VCI on the dialer interface
• C、IP address on the ATM interface
• D、CHAP on the dialer interface

第20题：

At a branch location, TestKing.com has deployed a non modular router that is equipped with two serial interfaces and two Ethernet interfaces.What additional equipment must be used to allow the branch office to connect to the central office by using an ISDN service?（）

• A、a serial cable with a V.35 to RJ45 adapter
• B、a CSU/DSU
• C、an external ISDN TA and NT1
• D、The non-modular router cannot connect to an ISDN service. The network administrator must purchase a modular router with an ISDN BRI-U card.

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Your company has a main office and a branch office. The offices connect by using WAN links. The network consists of a single Active Directory domain. An Active Directory site exists for each office.   Servers in both offices run Windows Server 2008 R2 Enterprise.   You plan to deploy a failover cluster solution to service users in both offices.  You need to plan a failover cluster to meet the following requirements： èMaintain the availability of services if a single server fails èMinimize the number of servers required What should you include in your plan？（）

• A、Deploy a failover cluster that contains one node in each office.
• B、Deploy a failover cluster that contains two nodes in each office.
• C、In the main office， deploy a failover cluster that contains one node. In the branch office， deploy a  failover cluster that contains one node.
• D、In the main office， deploy a failover cluster that contains two nodes. In the branch office， deploy a  failover cluster that contains two nodes.

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You are a network administrator for your company. The network consists of a single Active Directory domain. All domain controllers and member servers run Windows Server 2003， Enterprise Edition. All client computers run Windows XP Professional.   The company has one main office and one branch office. The two offices are connected by a T1 WAN connection. There is a hardware router at each end of the connection. The main office contains 10，000 client computers， and the branch office contains 5，000 client computers.   You need to use DHCP to provide IP addresses to the Windows XP Professional computers in both offices. You need to minimize network configuration traffic on the WAN connection. Your solution needs to prevent any component involved in the DHCP architecture from becoming a single point of failure.   What should you do？  （）

• A、 At the main office， configure two Windows Server 2003 computers as a DHCP server cluster. Configure the branch office router as a DHCP relay agent.
• B、 At the main office， configure two Windows Server 2003 computers as a DHCP server cluster. At the branch office， configure a Windows Server 2003 computer as a DHCP relay agent.
• C、 At the main office， configure two Windows Server 2003 computers as a DHCP server cluster. At the branch office， configure two Windows Server 2003 computers as a DHCP server cluster.
• D、 At the main office， configure two Windows Server 2003 computers as DHCP servers. Configure one DHCP server to handle 80 percent of the IP address scope and the other DHCP server to handle 20 percent. Configure the branch office router as a DHCP relay agent.

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