1. What is the subnetwork number of a host with an IP address of 172.16.66.0/21
172.16.64.0
172.16.48.0
172.16.36.0
172.16.0.0
Answer: Option A
2. A client workstation is connected to a DHCP server through a switch and a router, The client machine has been able to access the network resources without any problem. However, after the recent configuration change on the DHCP server, the client workstation is not able to access any network resources. What is the likely solution ?
Issue a tracert command to DHCP server
Reset switch MAC address table
Use ipconfig command with /release and /renew options
Clear arp cache on the router
Answer: Option C
3. What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask