The protocols that use a three way handshake to transfer information can be found within which layer of the OSI model?


A.      Layer 2

B.      Layer 3

C.      Layer 4

D.      Layer 5


Correct Answer: C




Which of the following uses copper wiring?


A.      10GBaseER

B.      10GBaseLW

C.      100BaseFX

D.      1000BaseT


Correct Answer: D




Teachers and students at a school currently share the same bandwidth. The Internet performance for the teachers in the classroom is becoming extremely slow. Which of the following is the BEST method to mitigate the issue?


A.      Increased uptime

B.      Caching engines

C.      Traffic shaping

D.      Load balancing


Correct Answer: C




Which of the following is a reason to use dynamic DNS?


A.      The host IP address is not listed in the firewall.

B.      The host IP address is assigned by DHCP.

C.      Static routes cannot be used on the host network.

D.      A third-party certificate is being used.


Correct Answer: B




Sandy, a network consultant, is asked to set up a wireless network in a home. The home user wants the wireless network to be available in every corner of the house. Which of the following additional information will Sandy need to determine the equipment for the installation? (Select



A.      The length of the house

B.      How many rooms are in the house?

C.      How many users will be using the wireless network?

D.      The building material of the house

E.       The cost of the house


Correct Answer: AD




Which of the following tools allows Kurt, an administrator, to test connectivity between two computers?


A.      route

B.      ping

C.      ipconfig

D.      tfconfig


Correct Answer: B




Which of the following should Joe, a technician, implement to provide high bandwidth to a VoIP application?


A.      Caching engines

B.      Fault tolerance

C.      Load balancing

D.      High availability


Correct Answer: C






Joe, a network technician, is concerned about the environmental effects of power consumption and heat from network resources. Limited space is also a concern. Which of the following technologies should be implemented?


A.      Circuit switching

B.      Network address translation

C.      Power over Ethernet

D.      Virtual servers


Correct Answer: D




Which of the following is used by RADIUS to encrypt messages between the server and the client?


A.      Public key

B.      CSU/DSU

C.      Private key

D.      Shared secret


Correct Answer: D




Which of the following is the MAIN purpose of a packet sniffer?


A.      To determine open ports on a server

B.      To ensure encryption is being used

C.      To analyze network traffic

D.      To prevent network intrusion


Correct Answer: C



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