4A0-100 Free Practice Test

Which of the following is TRUE regarding Ethernet half-duplex transmission?

1. A. Half-duplex transmission is less efficient because the frame MTU is smalle
2. B. An end-station connected to a hub will always be half-duple
3. C. Ethernet switches only support half-duplex transmissio
4. D. All of the abov

Correct Answer: B

You are working from a particular Command Line Interface (CLI) context, and want to see the commands available from your current context. What command can you issue to view this information?

1. A. view tree
2. B. tree
3. C. info detail
4. D. info

Correct Answer: B

A network administrator is creating a subnet plan for the address 172.16.0.0/16. The network must support 459 hosts on each subnet while providing the maximum number of subnets. What subnet mask should be used?

1. A. 255.255.0.0
2. B. 255.255.128.0
3. C. 255.255.224.0
4. D. 255.255.254.0

Correct Answer: D

Which statement best describes how the internet evolved?

1. A. The internet emerged in the commercial world in the 1980’s following the US military’s adoption of TCP/IP in 1983.
2. B. The internet evolved from a military to a research to a commercial based networ
3. C. The internet remained primarily a research based network and was only commercially adopted in 2000 when the world wide web was conceive
4. D. Internet service providers provided the services necessary for military based networks to evolve into research and education based network

Correct Answer: B