Wide Area Networks (WAN)

Which of the following is a characteristic of a Wide Area Network (WAN)?

A private WAN connection is typically provided over the public internet, offering guaranteed security.

What is a primary benefit of a dual-homed WAN topology?

What agreement outlines the expected services for WAN reliability and availability between an organization and a service provider?

Why might a company choose to evolve its network from a simple LAN to a WAN?

Modern WAN standards primarily focus on the application and session layers of the OSI model.

In WAN terminology, the physical location that separates customer equipment from the service provider's equipment is called the ______.

Match the following WAN terms with their descriptions:

What is the function of a CSU/DSU in a WAN environment?

Parallel communication is typically used for long-distance WAN connections due to its superior synchronization over long cable lengths.

Which type of communication establishes a dedicated circuit between endpoints before data transmission?

Name two common types of packet-switched WAN technologies.

What is the purpose of Dense Wavelength Division Multiplexing (DWDM) in fiber-optic networks?

Leased lines offer variable bandwidth that dynamically adjusts to match current traffic needs.

In traditional WAN connectivity, T-carrier systems, used primarily in North America, provide T1 links with bandwidth up to ______ Mbps.

Match the following WAN technologies with their geographical region of primary use:

Which of the following is a characteristic of Integrated Services Digital Network (ISDN)?

Frame Relay is a modern WAN technology preferred for high-bandwidth applications due to its advanced capabilities.

Metro Ethernet is replacing many ______ WAN options.

What describes Multiprotocol Label Switching (MPLS)?

Which of the following is an advantage of internet-based broadband connections?

What type of wired internet-based connectivity uses existing twisted-pair telephone lines?

DSL upload speeds are typically higher than download speeds.

The international standard for adding high-bandwidth data to an existing cable system is known as ______.

Match the following Fiber to the x (FTTx) terms with their descriptions:

What is a potential drawback of using satellite internet?

VPNs provide an unencrypted connection between private networks across the internet.

Describe the difference between site-to-site and remote access VPNs.

A ______ ISP connectivity option offers no redundancy and is the least expensive solution.

Match the following ISP connectivity options with their redundancy capabilities:

Which of the following is a significant disadvantage of Cable broadband connections?

A fully meshed topology connects all sites in a network using a single virtual circuit.

Which of the following best describes a 'partially meshed' WAN topology?

What is the primary reason an organization might choose a dual-carrier WAN connection?

The backhaul network in a WAN includes long-haul, all-digital, fiber-optic communication lines.

Regarding WAN devices, what is the main function of an optical converter?

A company has grown from a small local operation to a global enterprise with offices around the world. Besides using site-to-site VPNs, what kind of network technology enables employees to connect easily and securely to the corporate network?

In cable broadband technology, the ______ contains the databases needed to provide internet access while the CMTS manages communication with cable modems.

Match the descriptions to the different roles an MPLS router can serve:

Metro Ethernet is commonly used to replace older WAN technologies, serial point-to-point links, Frame Relay, and ATM WAN links.