考题篇(6.4) 07 ❀ 企业防火墙 ❀ Fortinet 网络安全架构师 NSE７

Posted 2021-06-29 meigang2012

 Which of the following statements are true regardingthe SIP session helper and the SIP application layer gateway (ALG)? (Choose three.) 〖关于SIP会话helper和SIP应用层网关(ALG)，下列哪个陈述是正确的?(选择三个)〗

　　A. SIP session helper runs in the kernel; SIP ALG runs as a user space process. 〖SIP会话助手运行在内核中;SIP ALG作为用户空间进程运行。〗

　　B. SIP ALG supports SIP HA failover; SIP helper does not. 〖SIP ALG支持SIP HA故障切换;SIP助手不需要。〗

　　C. SIP ALG supports SIP over IPv6; SIP helper does not. 〖SIP ALG支持SIP over IPv6;SIP助手不需要。〗

　　D. SIP ALG can create expected sessions for media traffic; SIP helper does not. 〖SIP ALG可以为媒体流量创建预期的会话;SIP助手不需要。〗

　　E. SIP helper supports SIP over TCP and UDP; SIP ALG supports only SIP over UDP. 〖SIP helper支持SIP over TCP和UDP;SIP ALG仅支持SIP over UDP。〗