4A0-100 Free Practice Test

Which of the following statements describes the purpose of the Transport Layer in the TCP/IP stack?

1. A. Provides a data transport service to higher protocol layer
2. B. Provides a data transport service for routing and control protocols such as OSPF and ICM
3. C. Provides a universal address plan to uniquely identify every device in the networ
4. D. Defines a standard method for framing data for transmission on the physical network mediu

Correct Answer: A

Which of the following statements is TRUE regarding the development of the OSI Reference Model?

1. A. OSI was developed as an alternative, open standard to IBMs SNA mode
2. B. OSI protocols were no longer used after TCP/IP was develope
3. C. OSI model is much simpler than TCP/I
4. D. OSI model is maintained exclusively by the IET

Correct Answer: A

What protocol is used by ping to verify IP network reachability?

1. A. DCHP
2. B. ICMP
3. C. ARP
4. D. NAT

Correct Answer: B

Based on the network diagram (clickthe Exhibit Button).

R2 wants to connect a host on 192.168.2.0/24 behind CR1. What is the correct next-hop to use, assuming R1 is configured correctly?

1. A. 10.2.3.2
2. B. 10.1.1.1
3. C. 10.2.3.1
4. D. 10.1.1.2

Correct Answer: B

Which application below would be likely to use UDP?

1. A. Real-time audio application such as VoI
2. B. Web browse
3. C. Email applicatio
4. D. Telne

Correct Answer: A