4A0-100 Free Practice Test

One of the tasks of the boot options file (BOF) is to:

1. A. Specify authorization information to control access to the route
2. B. Define an IP address for the CPM Ethernet por
3. C. Initialize the hardwar
4. D. Set the date/time for the syste

Correct Answer: B

Which of the following statements regarding TCP is TRUE?

1. A. Sequence numbers are used to ensure that the data received is offered to the application in the correct orde
2. B. The SYN flag is used to identify congestion in the networ
3. C. The NACK flag is set on confirmation segments to acknowledge FCS error
4. D. The window size is transmitted in all TCP segments to communicate MTU limitations of lower layer protocols to upper layer application

Correct Answer: A

Which of the following SAP types can be associated to a VPWS? (Choose 3)

1. A. Ethernet
2. B. ATM
3. C. Token Ring
4. D. Frame Relay

Correct Answer: ABD

As described by the CSMA/CD algorithm, what is the first thing to happen when Host A and Host B begin transmitting data at the same time?

1. A. Host A and B will generate a jam signa
2. B. Listening hosts will request retransmissio
3. C. Host A or B will retry the transmissio
4. D. A back-off timer is started by Host A or

Correct Answer: A

Which field in the TCP header is used by the receiver to indicate how many segments it can receive?

1. A. Checksum
2. B. SYN
3. C. Destination port
4. D. Window size
5. E. MTU

Correct Answer: D