Question

Which of the following IPV4 address types includes the most host addresses?

Class A

Class E

Class C

UDP

An ARP cache is best described as

a special file which translates names to IP addresses

a special file that preserves IP address locations when the computer is powered off

a special in-memory area that stores previously resolved IP hardware address translations

a special in-memory area in a router that defines a default gateway

An IPV4 header checksum provides which of these functions?

error correction
		error detection
		error retransmission
		data authentication

CIDR refers to

a refreshing fall drink made with apples

a method to help Apple computers function on an IP network

an addressing approach in IP networks to allow more flexibility than Class addressing

an addressing method that allows for an additional 32 bits of information in a Classless IP address

Answer 1

1. Which of the following IPV4 address types includes the most host addresses?

option A) Class A - uses 8 bits for network address and 24 bits for host addresses.

2. An ARP cache is best described as

C) a special in-memory area that stores previously resolved IP hardware address translations

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3. IPV4 checksum provides : checksum is used to detect errors , redundant information is needed to correct errors.

Answer: Error detection

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4. CIDR refers to

C) an addressing approach in IP networks to allow more flexibility than Class addressing