單項選擇題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.


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1.單項選擇題In GLBP, which router will respond to client ARP requests?（）

A.The active virtual gateway will reply with one of four possible virtual MAC addresses.
B.All GLBP member routers will reply in round-robin fashion.
C.The active virtual gateway will reply with its own hardware MAC address.
D.The GLBP member routers will reply with one of four possible burned in hardware addresses

2.多項選擇題Which is true about OSPF router-id?（）

A.It is used for type 1 router LSA
B.Highest IP address of the loopback is used
C.router-id needs to be matched on ospf neighbors
D.router-id is 16 bit

3.單項選擇題In a GLBP network, who is responsible for the arp request?（）

A.AVF
B.AVG(active virtual gateway)
C.Active Router
D.Standby Router

4.多項選擇題Which three features are added in SNMPv3 over SNMPv2? （）

A.Message Integrity
B.Compression
C.Authentication
D.Encryption
E.Error Detection

5.多項選擇題Syslog was configured with a level 3 trap. Which 3 types of logs would be generated？（）

A.Emergencies
B.Alerts
C.Critical
D.Errors
E.Warnings