PPP and HDLC Quiz

PPP is primarily used to connect:

• LANs only

• Routers within the same building

• Two geographically distant sites

• Wireless networks

The default encapsulation protocol on a Cisco serial interface is:

• PPP

• CHAP

• HDLC

• PAP

HDLC operates at which OSI layer?

• Layer 1

• Layer 2

• Layer 3

• Layer 4

Which protocol allows flow control and error control using acknowledgments?

• PPP

• HDLC

• PAP

• TCP

PPP is used to connect:

• Only Cisco routers

• Only Windows PCs

• Cisco to non-Cisco routers

• Switches to PCs

Which protocol monitors link quality in PPP?

• LCP

• NCP

• PAP

• HDLC

What does NCP stand for in PPP?

• Network Communication Protocol

• Network Control Protocol

• Network Configuration Protocol

• None of the above

Which of the following is not a phase in PPP session establishment?

• Authentication Phase

• Link Establishment

• Network Layer Protocol Configuration

• Link Quality Determination

PPP supports:

• PAP only

• CHAP only

• Both PAP and CHAP

• Neither PAP nor CHAP

CHAP is preferred over PAP because:

• It is easier to configure

• It sends passwords in clear text

• It uses encryption and three-way handshake

• It uses less bandwidth