Exam 12: Wide Area Network Essentials

Your local ISP has provided you with a dedicated line that has a Committed Information Rate of 1.54 Mbps. What does this mean?

Which of the following is something X.25 does NOT offer?

Which of the following protocols is NOT used for Windows 7 VPN connections?

You are a network architect for an IT consulting company. One of your clients needs a WAN connection and has asked you about the disadvantage of a packet-switched WAN method. Which of the following is a disadvantage that applies?

What two protocols are used in PPP to handle higher protocol encapsulation and connection control? Describe these two protocols.

You're the network administrator for a large bean-bag chair company. You are presenting to your supervisor several reasons to make use of cloud computing for handling data processing. Which answer would be a valid benefit of using cloud computing?

The company you work for currently has ISDN service in place. Your supervisor wishes to know what sort of ISDN service is being used so that better alternatives can be considered. He tells you that the service has two B-Channels and a D-Channel. What ISDN format do you have?

Link Control Protocol is responsible for the setup of a PPP connection, as well as the termination of a connection when it has ended.

You have been asked to install a VPN remote access solution using Windows Server.What do you need to install?

Packet switched WANs use virtual circuits to ensure that packets are delivered reliably and at the agreed-on bandwidth level.

What is multiplexing, and where is it used?

Which one of the following is NOT a typical SONET data rate?

Which statement about Multiprotocol Label Switching (MPLS) is true?

What is the signaling method used to allocate time slots for each channel in a T-carrier line called?

What is the local loop, or last mile?

A __________ is a device that allows a computer, which works with digital information, to communicate over lines that use analog signals.

________________ is a PVC packet-switching technology that offers WAN communication over a fast, reliable, digital link. It was developed from X.25 and ISDN technology.

Describe how MPLS works.

Which of the following terms describes the category of cloud computing in which a customer develops applications using development tools and infrastructure provided by the service provider?

Which cloud computing category allows a company to quickly provision additional disk space?