Online Access Free CCNT Exam Questions

A common source of delay in moving information rapidly through packet switches is:

• A.All of the above
• B.The delay when an error is detected in a packet.
• C.Reading the destination address in the frame.
• D.Waiting for the entire frame to enter the switch.

VPNs solve the distance limitations that traditional WANs have because:

• A.VPNs only use satellites to connect users to networks.
• B.Traditional WANs only work between close buildings.
• C.VPNs use special, private lines between each user and the company's main network.
• D.WANs do not extend to extranets or very large remote dial access users.

Call centers:

• A.Handle outbound calls only.
• B.Handle incoming calls only.
• C.Replace live agents.
• D.Now include help desks and service lines.

Which of the following is NOT part of a fiber optic cable?

• A.Copper shielding
• B.Glass or plastic core
• C.Highly refractive cladding
• D.Opaque plastic sheath

The glass core of a fiber optic cable carries data with what type of signal?

• A.Light pulses
• B.Radio waves
• C.Electrical
• D.Microwaves