4A0-100 Free Practice Test

Which of the following is a characteristic of the IP layer?

1. A. Provides an unreliable, connectionless data transmission servic
2. B. Provides a mechanism for flow contro
3. C. Verifies the integrity of all received datagram
4. D. Provides services equivalent to the OSI data link laye

Correct Answer: A

Which of the following statements is TRUE regarding IP addressing?

1. A. Classful IP addressing provides hierarchy based on variable subnet mask
2. B. Classless IP addresses provide hierarchy based on a variable length subnet mas
3. C. Classless IP addresses provide hierarchy based on fixed subnet masks of /24./16 and/8.
4. D. IP addresses provide hierarchy based on the country code and regional identifie

Correct Answer: B

Which organization eventually became the standards body for IP and related protocols?

1. A. IEEE
2. B. IETF
3. C. NSFNET
4. D. ITU-T
5. E. APNIC

Correct Answer: B

What characteristic of IP addressing creates a hierarchical network?

1. A. All hosts on all networks must have unique host number
2. B. IP addresses identify a host and the network on which it reside
3. C. Clients are assigned 32-bit addresses and servers 64-bit addresse
4. D. Router, switch and host addresses are drawn from unique address classe

Correct Answer: B

Host A receives a TCP SYN/ACK segment. What does this signify?

1. A. Host A has received a request to establish a TCP sessio
2. B. Host A has received a request to close a TCP session
3. C. A TCP session is now established to host
4. D. The TCP session has been terminated due to a timeou

Correct Answer: C