Question 11

An IPv4 address, in CIDR format, has a /27 appended at the end of the address. This tells you that ______ subnets have been created.

		a. 27
		b. 2
		c. 4
		d. 8

10 points

Question 12

Select the correct statement(s) regarding the Address Resolution Protocol (ARP).

		a. When an IP datagram is received, ARP initially inspects its cache to see if the IP address mapping already exists to a layer 2 MAC address
		b. ARP broadcasts the received IP address to all stations within the common network if not found within its cache
		c. ARP maps network addresses to data link layer MAC addresses
		d. All are correct statements

10 points

Question 13

The DHCP server supports manual, automatic, and dynamic IPv4 address allocation.

True

False

10 points

Question 14

Select the correct statement(s) regarding DHCP (dynamic host configuration protocol).

		a. DHCP maps intranet IP addresses to Internet IP addresses
		b. DHCP is the protocol used to map Ethernet MAC addresses to IPv4 addresses
		c. DHCP is a protocol by which a node is assigned a temporary IP address
		d. a and b are correct

10 points

Question 15

Select the benefit(s) of implementing a NAT.

		a. enables an intranet to connect to the Internet
		b. reduces exposure of the intranet to external Internet threats
		c. enables an intranet to easily switch ISPs
		d. All of the above