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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
题目
When the packet received on the LAN interface is permitted by the ACL listed on the tunnel greacl command under the incoming interface
When routing the packet, matching a route whose outgoing interface is the GRE tunnel interface
When routing the packet, matching a route whose outgoing interface is the IPsec tunnel interface
When permitted by an ACL that was referenced in the associated crypto map
相似问题和答案
第1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2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
第3题：
A. BGP updates that travel through the local router and are destined for a remote router.
B. OSPF hello packets that are sent from a remote router and are destined for the local router.
C. Telnet traffic that is sent from a remote host and is destined for the local router.
D. Telnet traffic that travels through the local router and is destined for a remote end host.
第4题：
A customer wants to TFTP a new image from the corporate network to Flash on the Teleworker router through the IPSec tunnel. How should you configure the Teleworker router?（）
- A、No additional steps are required.
- B、Add the appropriate source-interface command.
- C、The router cannot access a server in the Enterprise Campus network.
- D、The Teleworker Router does not have any client applications; therefore this type of request is not possible.
正确答案:B
第5题：
The following line of output was gathered on Enterprise Router Ent1 using the command show ip route. Which of the following answers is most likely to be true, based on thi s output？（）B 128.107.0.0 [20/10] via 11.11.11.11, 00:02:18
A. This router has set the Weight of this route to 10.
B. This router‘s BGP table lists this route as an iBGP route.
C. This router‘s MED has been set to 10.
D. This router‘s BGP table lists an AS_Path length of 10 for this route.
第6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
第7题：
An engineer is reviewing another engineer‘s sample configuration for a GRE tunnel used to pass IPv6 traffiC. The tunnel ha s not yet been configured on the router.Which of the following commands is not required for the configuration to pass IPv6 traffic?（）
A. tunnel source
B. tunnel destination
C. tunnel mode
D. All these commands are requireD
第8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
第9题：
Enterprise Router R1, in ASN 1, connects to ISP Router I1, ASN 2, using eBGP. There are two parallel serial links between the two rou ters. The implementation plan calls for each router to base their BGP TCP connection on their respective loopback1 interfaces, with IP addresses 1.1.1.1 and 2.2.2.2, respectively.Which of the following commands would not be part of a working eBGP confi guration on Router R1?（）
A. router bgp 1
B. neighbor 2.2.2.2 remote- as 2
C. neighbor 2.2.2.2 update - source loopback1
D. neighbor 2.2.2.2 multihop 2
第10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