What is the default Syslog facility level?（）……

多项选择题A network administrator enters the following command on a router: logging trap 3. What are three message types that will be sent to the Syslog server? （）

A.informational
B.emergency
C.warning
D.critical 
E.debug
F.error

多项选择题Which three statements about Syslog utilization are true?（）

A.Utilizing Syslog improves network performance.
B.The Syslog server automatically notifies the network administrator of network problems.
C.A Syslog server provides the storage space necessary to store log files without using router disk space.
D.There are more Syslog messages available within Cisco IOS than there are comparable SNMP trap messages.
E.Enabling Syslog on a router automatically enables NTP for accurate time stamping。
F.A Syslog server helps in aggregation of logs and alerts.

多项选择题Which three statements about HSRP operation are true?（）

A.The virtual IP address and virtual MA+K44C address are active on the HSRP Master router.
B.The HSRP default timers are a 3 second hello interval and a 10 second dead interval.
C.HSRP supports only clear-text authentication.
D.The HSRP virtual IP address must be on a different subnet than the routers' interfaces on the same LAN.
E.The HSRP virtual IP address must be the same as one of the router's interface addresses on the LAN.
F.HSRP supports up to 255 groups per interface, enabling an administrative form of load balancing.

多项选择题What are three benefits of GLBP?（）

A.GLBP supports up to eight virtual forwarders per GLBP group
B.GLBP supports clear text and MD5 password authentication between GLBP group members
C.GLBP is an open source standardized protocol that can be used with multiple vendors
D.GLBP supports up to 1024 virtual routers
E.GLBP can load share traffic across a maximum of four routers
F.GLBP elects two AVGs and two standby AVGs for redundancy

单项选择题Which statement describes VRRP object tracking?（）

A.It monitors traffic flow and link utilization.
B.It ensures the best VRRP router is the virtual router master for the group.
C.It causes traffic to dynamically move to higher bandwidth links
D.It thwarts man-in-the-middle attacks.