The number of VLANs that can be created using the commands "vlan batch1020 and "vlan batch
10 to 20" respectively is ()

What is RouterDeadInterval of the OSPF protocol on the broadcast network by default? ()

By default, network devices running SNMPv2c protocol use which of the following port numbers to send trap messages to the network management system?

Which of the following fields are present in both IPv6 and IPv4 packet headers? ()*

The router receives a data packet with a destination IP address of 11.0.12.1 from host A. After this data packet is forwarded by the router, what are the destination MAC. and destination IP? ()