At which layer of the OSI model is RSTP used to prevent loops?
A. data link
Which device might be installed at a branch office to enable and manage an IPsec site-to-site ?
A. Cisco IOS IPsec/SSL client
B. Cisco Clinet
C. ISDN terminal adapter
D. Cisco Adaptive Security Appliance
Which statement is true, as relates to classful or classless routing?
A. Automatic summarization at classful boundries can cause problems on discontinuous subnets
B. EIGRP and OSPF are classful routing protocols and summarize routes by default
C. RIPv1 and OSPF are classless routing protocols
D. Classful routing protocols send the subnet mask in routing updates
Refer to the exhibit, Host A pings interface S0/0 on router 3, what is the TTL value for that ping?
Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaion
What is the default istrative distance of OSPF?