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Which three features are benefits of using GRE tunnels in co

题目
多选题
Which three features are benefits of using GRE tunnels in conjunction with IPsec for building site-to-site VPNs？（）
A

allows dynamic routing over the tunnel

B

supports multi-protocol （non-IP） traffic over the tunnel

C

reduces IPsec headers overhead since tunnel mode is used

D

simplifies the ACL used in the crypto map

E

uses Virtual Tunnel Interface （VTI） to simplify the IPsec VPN configuration

参考答案和解析
正确答案： B,E
解析： 暂无解析
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相似问题和答案

第1题：

What are three benefits of using IPv6?()

A. IPv6 supports a greater level of security by integrating features that were optional add-ons in IPv4.

B. IPv6 reduces administrative overhead using stateless address autoconfiguration for hosts.

C. IPv6 eliminates the need for private to public NAT using a large address pool.

D. IPv6 provides backward compatibility with IPv4 using the Next Header field.

E. IPv6 represents large IP addresses using dotted decimal notation.


参考答案：A, B, C

第2题：

Which three of these are major scaling, sizing, and performance considerations for an IPsec design?()

A. connection speed

B. number of remote sites

C. features to be supported

D. types of devices at the remote site

E. whether packets are encrypted using 3DES or AES

F. number of routes in the routing table at the remote site


参考答案：A, C, D

第3题：

Which three features are part of the branch SRX series UTM suite?() (Choose three.)

A. antispam

B. antivirus

C. IPS

D. application firewalling

E. Web filtering


参考答案：A, B, E

第4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5题：

Two islands of IPv6 networks that are running ISIS （IPv6 IGP） must be connected using a tunnel over anIPv4 network. Which tunneling method can be used to achieve this goal？（）

  • A、GRE tunnels
  • B、automatic 6 to 4 tunnels
  • C、ISATAP tunnels
  • D、manual tunnels （RFC 2893）

正确答案:A

第6题：

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 Stack

B. NAT - PT

C. 6to4 tunnel

D. GRE tunnel

E. ISATAP tunnel


参考答案：C

第7题：

Which three features are added in SNMPv3 over SNMPv2? ()

A.Message Integrity

B.Compression

C.Authentication

D.Encryption

E.Error Detection


参考答案：A, C, D

第8题：

What is the function of L2TP?()

A.It allows L2F tunnels across the network.

B.It allows GRE tunnels across the network.

C.It allows PPTP tunnels across the network.

D.It allows PPP to be tunneled across a network


参考答案：D

第9题：

Which three of these are major scaling， sizing， and performance considerations for an IP secdesign？ （）

  • A、 connection speed
  • B、 number of remote sites
  • C、 features to be supported
  • D、 types of devices at the remote site
  • E、 whether packets are encrypted using 3DES or AES
  • F、 number of routes in the routing table at the remote site

正确答案:A,B,C

第10题：

What is the function of L2TP？（）

  • A、It allows L2F tunnels across the network.
  • B、It allows GRE tunnels across the network.
  • C、It allows PPTP tunnels across the network.
  • D、It allows PPP to be tunneled across a network

正确答案:D

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