Networking Ch 10 Quiz Review

The point that marks the boundary between the telco equipment and an organization's network or telephone system.

• Demarcation Point (Demarc)

• Boundary Point

• Division Line

• Mark Location (MarcLoc)

Answer explanation

The point that marks the boundary between the telco equipment and an organization's network or telephone system. When you contract with a local exchange carrier (LEC) for data or telephone services, the carrier installs a physical cable and a termination jack onto the organization's premises.

​ (a)   is a WAN data classification and data carrying mechanism. It uses packet switching technology that supports variable-length frames.

• MPLS
• POTS
• ISDN
• WDM

Answer explanation

​ (a)   is an architecture in which multiple processor-controlled switching units are distributed.​

• Distributed switching
• Packet switching
• POTS
• WDM

Answer explanation

The ​ (a)   is a switching facility connected to the WAN. It is the nearest point of presence for the WAN provider. It provides WAN cloud entry and exit points.​

• central office
• Demarc
• local loop
• admin center

OC speeds range from ​​ (a)   to ​ (b)   .

• 51.84 Mbps
• 39.2 Gbps
• 155.52 Mbps
• 10 Gbps

Answer explanation

Internet access by using signals transmitted to and received from orbiting satellites.

• Satellite

• Cable

• ISDN

• Virtual WAN

This provides internet access using light signals transmitted to the end user on fiberoptic cables.

• Fiber

• Optical

• Glass

• Wireless

Answer explanation

​ (a)   is the process of proving identity where logon credentials are exchanged and logon is allowed or denied while ​ (b)   is the process of identifying the resources that a user can access over the remote access connection.

• Authentication
• Authorization
• Secure sign-in
• Encryption
• Accounting

Answer explanation

This uses a challenge/response (three-way handshake) mechanism to protect passwords.

• CHAP

• WDM

• J3

• RADIUS

Answer explanation

​ (a)   , developed by Microsoft, and ​ (b)   , developed by Cisco, are remote authentication systems.

• Radius
• TACACS+
• WPA2
• IPsec

Answer explanation