What is a key benefit of using a GRE tunnel to provide connectivity bet ween branch offices and headquarters?()A. authentication, integrity checking, and confidentialityB. less overheadC. dynamic routing over the tunnelD. granular QoS supportE. open stand

题目
What is a key benefit of using a GRE tunnel to provide connectivity bet ween branch offices and headquarters?()

A. authentication, integrity checking, and confidentiality

B. less overhead

C. dynamic routing over the tunnel

D. granular QoS support

E. open standard

F. scalability

相似考题

1.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 interfaceB. When routing the packet, matching a route whose outgoing interface is the GRE tunnel interfaceC. When routing the packet, matching a route whose outgoing interface is the IPsec tunnel interfaceD. When permitted by an ACL that was referenced in the associated crypto map

2.Refer to the exhibit. Which interoperability technique implemented on the dual - stack routers would allow connectivity between IPv6 sites across automatic created tunnels using the 2002::/16 prefix? （）A. Dual StackB. NAT - PTC. 6to4 tunnelD. GRE tunnelE. ISATAP tunnel

3.Which two methods use IPsec to provide secure connectivity from the branch office to the headquarters office?()A. DMVPNB. MPLS VPNC. Virtual Tunnel Interface (VTI)D. SSL VPNE. PPPoE

4.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. PrivacyB. AuthenticationC. Allows using an IGP between R1 and the EnterpriseD. Secure communications

更多“What is a key benefit of using a GRE tunnel to provide connectivity bet ween branch offices and headquarters?() ”相关问题

  • 第1题：

    Which two methods use IPsec to provide secure connectivity from the branch office to the headquarters office?（）

    • A、DMVPN
    • B、MPLS VPN
    • C、Virtual Tunnel Interface (VTI)
    • D、SSL VPN
    • E、PPPoE

    正确答案:A,C

  • 第2题：

    You need to configure a GRE tunnel on a IPSec router. When you are using the SDM to configurea GRE tunnel over IPsec， which two parameters are required when defining the tunnel interfaceinformation？（）

    • A、The crypto ACL number
    • B、The IPSEC mode （tunnel or transport）
    • C、The GRE tunnel interface IP address
    • D、The GRE tunnel source interface or IP address， and tunnel destination IP address
    • E、The MTU size of the GRE tunnel interface

    正确答案:C,D

  • 第3题：

    TestKing has five regional offices that are located in different cities. The IT staff is evaluating WAN technologies to interconnect the regional offices to corporate headquarters. Each of the regional offices should be connected to the corporate headquarters in a hub and spoke arrangement using a packet-switched technology. Which of the following WAN technologies will fulfill these requirements?（）

    • A、Frame Relay
    • B、ISDN
    • C、T1 leased lines
    • D、Wireless

    正确答案:A

  • 第4题：

    What are four advantages to using tunnel brokers in an IPv6 transition environment?（）

    • A、Tunnel brokers automatically provide configuration parameters to peer routers.
    • B、IPv6 enabling a node looks automatic to the end user.
    • C、Tunnel information is sent via IPv4.
    • D、Tunnel brokers make it simpler for nontechnical users to deploy manual tunnels.

    正确答案:A,B,C,D

  • 第5题：

    our company has a main office and 15 branch offices. The company has a single active directory domain. All servers run windows server 2008.You need to ensure that the VPN connections between the office and the branch offices meet the following requirements:All data must be encrypted by using end-to-end encryption.The vpn connection must use computer-level authentication.User names and passwords cannot be used for authentication.What should do?（）

    • A、Configure an ipsec connection to use tunnel mode and preshared key authentication.
    • B、Configure a PPTP connection to use version 2 of the MS-CHAP v2 authentication.
    • C、Configure a L2TP/IPsec connection to use the EAP-TLS authentication.
    • D、Configure a L2TP/IPsec connection to use version 2 of the MS-CHAP v2 authentication.

    正确答案:C

  • 第6题：

    You are designing a strategy to optimize the DNS name resolution for the satellite offices that connect to the branch offices by using ISDN lines. What should you do?（）

    • A、Use caching-only DNS servers at these satellite offices.
    • B、Configure a Hosts file for all client computers at these satellite offices.
    • C、Configure a DNS server to use WINS forward lookup at these satellite offices.
    • D、Place a DNS server with secondary zones of all domains at these satellite offices.

    正确答案:A

  • 第7题：

    单选题
    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


    正确答案： C
    解析： 暂无解析

  • 第8题：

    多选题
    Your company has a single active directory domain. The company has a main office and three branch offices. The domain controller in the main office runs windows 2008 server and provides DNS for the main office and all of the branch offices.Each branch office runs windows server 2008. Users in the branch offices report that it takes a long time to access network resources. You confirm that there are no problems with WAN connectivity or bandwidth. You need to ensure that users in the branch offices are able to access network resources as quickly as possible. Which two actions should you perform? （）
    A

    Configure a standard primary zone in each of the branch offices.

    B

    Configure a forwarders that point to the DNS server in the main office.

    C

    Configure a secondary zone in each of the branch offices that users the main office DNS server as a master.

    D

    Install DNS servers in each of the branch offices.


    正确答案： D,B
    解析： 暂无解析

  • 第9题：

    单选题
    You are designing an OU structure for IT staff at the branch offices. What should you do?（）
    A

    Create an OU for the NewApp Web servers. Assign the IT staff at the branch offices user rights to this OU.

    B

    Create an OU for the NewApp data servers. Assign the IT staff at the branch offices user rights to this OU.

    C

    Create an OU for the IT staff at each branch office. Place network administrators at the branch offices in these OUs.

    D

    Create an OU for each branch office. Place local servers in the OU for their respective office. Assign the IT staff at the branch offices user rights to these OUs.


    正确答案： A
    解析： 暂无解析

  • 第10题：

    多选题
    What is a key characteristic of the Cisco Business Ready Teleworker solution which is different from traditional software-client based Teleworker solutions?（）
    A

    all traffic is encrypted using IPSec and the Triple-DES algorithm

    B

    full support for all Enterprise applications, including data, voice, and video

    C

    thousands of Teleworker VPN tunnels can be aggregated to a headquarters location

    D

    the VPN tunnel is an always on site-to-site VPN connection

    E

    portability for use while traveling

    F

    used with broadband Cable/DSL subscriptions


    正确答案： D,C
    解析： 暂无解析

  • 第11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 both

    B

     4 bytes， and 8 bytes respectively

    C

     8 bytes for both

    D

     24 bytes for both


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    What is a key benefit of using a GRE tunnel to provide connectivity bet ween branch offices and headquarters?（）
    A

    authentication, integrity checking, and confidentiality

    B

    less overhead

    C

    dynamic routing over the tunnel

    D

    granular QoS support

    E

    open standard

    F

    scalability


    正确答案： D
    解析： 暂无解析

  • 第13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

    正确答案:C

  • 第14题：

    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 leased line for all Enterprise traffic, unless it fails, in which case the Internet connection should be used to pass traffic to the Enterprise. Which of the following is most likely to be useful on the branch router?（）

    • A、IPsec tunnel
    • B、GRE tunnel
    • C、Floating stati c route
    • D、An IGP

    正确答案:A,C

  • 第15题：

    What is a key benefit of using a GRE tunnel to provide connectivity bet ween branch offices and headquarters?（）

    • A、authentication, integrity checking, and confidentiality
    • B、less overhead
    • C、dynamic routing over the tunnel
    • D、granular QoS support
    • E、open standard
    • F、scalability

    正确答案:C

  • 第16题：

    What are the header sizes for point-to-point and multi-point GRE（also known asmGRE） with tunnel key？（）

    • A、 4 bytes for both
    • B、 4 bytes， and 8 bytes respectively
    • C、 8 bytes for both
    • D、 24 bytes for both

    正确答案:B

  • 第17题：

    Your company has a main office and two branch offices.Domain controllers in the main office host an Active Directory-integrated zone.The DNS servers in the branch offices host a secondary zone for the domain and use the main office DNS servers as their DNS Master servers for the zone.The company adds a new branch office. You add a member server named Branch3 and install the DNS Server server role on the server. You configure a secondary zone for the domain. The zone transfer fails.You need to configure DNS to provide zone data to the DNS server in the new branch office.What should you do？（）

    • A、Run dnscmd by using the ZoneResetMasters option.
    • B、Run dnscmd by using the ZoneResetSecondaries option.
    • C、Add the new DNS server to the Zone Transfers tab on one of the DNS servers in the main office.
    • D、Add the new DNS server to the DNSUpdateProxy Global security group in Active Directory Users and Computers.

    正确答案:C

  • 第18题：

    单选题
    You are designing a strategy to optimize the DNS name resolution for the satellite offices that connect to the branch offices by using ISDN lines.  What should you do？（）
    A

     Use caching-only DNS servers at these satellite offices.

    B

     Configure a Hosts file for all client computers at these satellite offices.

    C

     Configure a DNS server to use WINS forward lookup at these satellite offices.

    D

     Place a DNS server with secondary zones of all domains at these satellite offices.


    正确答案： A
    解析： 暂无解析

  • 第19题：

    多选题
    Which two methods use IPsec to provide secure connectivity from the branch office to the headquarters office?（）
    A

    DMVPN

    B

    MPLS VPN

    C

    Virtual Tunnel Interface (VTI)

    D

    SSL VPN

    E

    PPPoE


    正确答案： B,D
    解析： 暂无解析

  • 第20题：

    多选题
    Your company has a single Active Directory domain.The company has a main office and three branch offices. The domain controller in the main office runs Windows Server 2008 R2 and provides DNS for the main office and all of the branch offices. Each branch office contains a file server that runs Windows Server 2008 R2.Users in the branch offices report that it takes a long time to access network resources. You confirm that there are no problems with WAN connectivity or bandwidth.You need to ensure that users in the branch offices are able to access network resources as quickly as possible.Which two actions should you perform？（）
    A

    Configure a standard primary zone in each of the branch offices.

    B

    Configure forwarders that point to the DNS server in the main office.

    C

    Configure a secondary zone in each of the branch offices that uses the main office DNS server as a master.

    D

    Install DNS servers in each of the branch offices.


    正确答案： D,C
    解析： 暂无解析

  • 第21题：

    多选题
    You need to configure a GRE tunnel on a IPSec router. When you are using the SDM to configurea GRE tunnel over IPsec， which two parameters are required when defining the tunnel interfaceinformation？（）
    A

    The crypto ACL number

    B

    The IPSEC mode （tunnel or transport）

    C

    The GRE tunnel interface IP address

    D

    The GRE tunnel source interface or IP address， and tunnel destination IP address

    E

    The MTU size of the GRE tunnel interface


    正确答案： C,E
    解析： 暂无解析

  • 第22题：

    单选题
    Router R1, a branch router, connects to the Internet using DSL. Some traffic flows through a GRE and IPsec tunnel, over the DSL connection, 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


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    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


    正确答案： C
    解析： 暂无解析

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